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Initial commit of PVC Bootstrap system 

Adds the PVC Bootstrap system, which allows the automated deployment of
one or more PVC clusters.
This commit is contained in:
Joshua Boniface 2021-12-29 22:31:01 -05:00
commit 379262a74f
37 changed files with 4513 additions and 0 deletions
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[flake8]
# We ignore the following errors:
# * W503 (line break before binary operator): Black moves these to new lines
# * E501 (line too long): Long lines are a fact of life in comment blocks; Black handles active instances of this
# * E203 (whitespace before ':'): Black recommends this as disabled
ignore = W503, E501
extend-ignore = E203
# Set the max line length to 88 for Black
max-line-length = 88

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*.pyc
*.tmp
*.swp

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#!/usr/bin/env bash
pushd $( git rev-parse --show-toplevel ) &>/dev/null
ex=0
./format check
if [[ $? -ne 0 ]]; then
./format
echo "Black formatting change detected; review and recommit"
ex=1
fi
./lint
if [[ $? -ne 0 ]]; then
echo "Linting error detected; correct and recommit"
ex=1
fi
echo
popd &>/dev/null
exit $ex

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LICENSE Normal file
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You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/licenses/why-not-lgpl.html>.

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# PVC Bootstrap System
The PVC bootstrap system provides a convenient way to deploy PVC clusters. Rather than manual node installation, this system provides a fully-automated deployment from node powering to cluster readiness, based on pre-configured values. It is useful if an administrator will deploy several PVC clusters or for repeated re-deployment for testing purposes.
## Setup
Setting up the PVC bootstrap system manually is very complicated, and has thus been automated with an installer script instead of providing a Debian or PIP package.
### Preparing to use the PVC Bootstrap system
1. Prepare a Git repository to store cluster configurations. This can be done automatically with the `create-local-repo.sh` script in the [PVC Ansible](https://github.com/parallelvirtualcluster/pvc-ansible) repository.
1. Create `group_vars` for each cluster you plan to bootstrap. Additionally, ensure you configure the `bootstrap.yml` file for each cluster with the relevant details of the hardware you will be using. This step can be repeated for each cluster in the future as new clusters are required, and the system will automatically pull changes to the local PVC repository once configured.
### Preparing a PVC Bootstrap host
1. The recommended OS for a PVC Bootstrap host is Debian GNU/Linux 10+. In terms of hardware, there are several supported options:
i) A small single-board computer with wired Ethernet like a Raspberry Pi on `aarch64` (32-bit ARM not supported); at least a Pi model 4 or similar modern system is required; Pi models 1-3 do not support `aarch64` or are extremely slow in comparison, especially when building the initial TFTP installer root.
ii) A small desktop computer on `amd64` with at least one wired Ethernet port.
iii) A VM on `amd64` or `aarch64` connected to the required networks.
1. Set up a basic outbound network with Internet access; as detailed below, the installer will take care of the internal bootstrap network, either on a dedicated NIC or vLAN, with this host providing NAT'd access out.
1. Clone this repository somewhere on the host, for instance to `/srv` or `/home`.
1. Run the `./install-pvcbootstrapd.sh` script from the root of the repository to install the PVC Bootstrap system on the host. It will prompt for several configuration parameters. The final steps will take some time (up to 2 hours on a Raspberry Pi 4B) so be patient.
### Networking for Bootstrap
When using the pvcbootstrapd system, a dedicated network is required to provide bootstrap DHCP and TFTP to the cluster. This network can either have a dedicated, upstream router that does not provide DHCP, or the network can be routed with network address translation (NAT) through the bootstrap host. By default, the installer will configure the latter automatically using a second NIC separate from the upstream NIC of the bootstrap host, or via a vLAN on top of the single NIC.
In bootstrap mode (as opposed to manual install mode), new nodes are configured with their interfaces as follows:
* BMC: bootstrap
* Interface 1 (first among all LOM ports): bootstrap
* Interface 2+ (all other ports): LACP (802.3ad) bond0
The Bootstrap interfaces do DHCP from the bootstrap host, and are thus responsible for autoconfiguration. The remaining interfaces, in an LACP bond, are used to underlay the various standard PVC networks.
Care must therefore be taken to ensure that the BMC and *first* lan-on-motherboard interface are connected as vLAN access ports in the bootstrap network, and that the remaining ports have some connectivity along the various configured PVC networks, before proceeding.
Consider the following diagram for reference:
![Per-Node Physical Connections](/docs/images/pvcbootstrapd-phy.png)
![Overall Network Topology](/docs/images/pvcbootstrapd-net.png)
### Deploying a Cluster with PVC Bootstrap - Redfish
Redfish is an industry-standard RESTful API for interfacing with the BMC (baseband management controller, or out-of-band network management system) on modern (post ~2015) servers from most vendors, including Dell iDRAC, HP iLO, Cisco CIMC, Lenovo XCC, and Supermicro X10 and newer BMCs. Redfish allows remote management, data collection, and configuration from the BMC in a standardized way across server vendors.
The PVC Bootstrap system is designed to heavily leverage Redfish in its automation. With Redfish, cluster deployment is plug-and-play, with no human input after committing the required configuration and connecting the servers. The steps are thus:
1. Ensure the cluster configuration `hosts` entries and `group_vars` are committed to the local PVC repository, including the BMC MAC addresses, default IPMI credentials, and desired hooks (`bootstrap.yml`), and all other cluster configurations (`base.yml` and `pvc.yml`). Generated configurations (e.g. `files`) will be automatically committed to the repository.
1. Connect the network ports as outlined in the above diagrams.
1. Connect power to the servers, but do not manually power on the servers - Redfish will handle this aspect after characterizing each host, as well as manage boot, RAID array creation (as documented in `bootstrap.yml`), BIOS configuration, etc.
1. Wait for the cluster bootstrapping to complete; you can watch the output of the `pvcbootstrapd` and `pvcbootstrapd-worker` services on the Bootstrap host to see progress. If supported, the indicator LEDs of the nodes will be lit during setup and will be disabled upon completion to provide a physical indication of the process.
1. Verify and power off the servers and put them into production; you may need to complete several post-install tasks (for instance setting the production BMC networking via `sudo ifup ipmi` on each node) before the cluster is completely finished.
### Deploying a Cluster with PVC Bootstrap - Non-Redfish
The PVC Bootstrap system can still handle nodes without Redfish support, for instance older servers or those from non-compliant vendors. There is however more manual setup in the process. The steps are thus:
1. Ensure the cluster configuration `hosts` entries and `group_vars` are committed to the local PVC repository, including the BMC MAC addresses, default IPMI credentials, and desired hooks (`bootstrap.yml`), and all other cluster configurations (`base.yml` and `pvc.yml`). Generated configurations (e.g. `files`) will be automatically committed to the repository. Ensure you set `redfish: no` in the appropriate section of the `bootstrap.yml` file; the BMC credentials can be empty but the variables must exist.
1. Do not (yet) connect network ports.
1. Connect power to the servers and power them on.
1. Perform any required configuration of BIOS settings, hardware RAID arrays for the system disk, etc.
1. Power off the servers.
1. Create a set of host configuration files in the TFTP `host` directory on the PVC controller, by default at `/srv/pvc/tftp/host`, one per node. You will need to know the MAC address of the first ethernet (bootstrap network) port of each node to correctly set the filename. Some example contents for the two files are shown below.
1. Connect the network ports as outlined in the above diagrams.
1. Power on the servers and set them to boot temporarily (one time) from PXE.
1. Wait for the cluster bootstrapping to complete; you can watch the output of the `pvcbootstrapd` and `pvcbootstrapd-worker` services on the Bootstrap host to see progress. If supported, the indicator LEDs of the nodes will be lit during setup and will be disabled upon completion to provide a physical indication of the process.
1. Verify and power off the servers and put them into production; you may need to complete several post-install tasks (for instance setting the production BMC networking via `sudo ifup ipmi` on each node) before the cluster is completely finished.
#### `host-MAC.ipxe`
```
#1ipxe
# The name of this file is "host-123456abcdef.ipxe", where "123456abcdef" is the MAC address of the
# server's Bootstrap Ethernet port (on-motherboard port 1), without spaces or punctuation.
# ARGUMENTS are any additional kernel command line arguments that might be needed for installer boot
# For instance, on an HP DL360 G6 the serial console is ttyS1 at 115200 baud, so the line would be:
# set imgargs-host console=ttyS1,115200n
# If no additional arguments are required, then this file is optional, or you can set an empty
# imaargs-host value.
set imgargs-host ARGUMENTS
```
#### `host-MAC.preseed`
```
# The name of this file is "host-123456abcdef.preseed", where "123456abcdef" is the MAC address of the
# server's Bootstrap Ethernet port (on-motherboard port 1), without spaces or punctuation.
# This file defines the various configuration options to preseed the installer. An example here shows
# the various options, but what to put depends on the exact configuration of pvcbootstrapd. This
# information is, under Redfish, populated automatically based on the information provided in the
# cluster "bootstrap.yml" group vars file.
# Any option not set explicitly here is not set by the bootstrap system by default and should not need
# to be changed by the administrator.
# This BASH-compliant variables file is Loaded during PXE installs to preseed the environment.
# During normal usage, the pvcbootstrapd will load this file, adjust it according to its needs,
# and write out one instance per node to be installed.
#
# This file is thus not designed to be used by humans, and its values are seeded via options in
# the cluster-local Ansible group_vars, though it can be used as a manual template if required.
###
### General definitions/overrides
###
# The Debian release to use (overrides the default)
debrelease="bullseye"
# The Debian mirror to use (overrides the default)
debmirror="http://ftp.debian.org/debian"
# Additional packages (comma-separated) to install in the base system
addpkglist="ca-certificates"
# Alternate filesystem for system volumes (/, /var/lib/ceph, /var/lib/zookeeper)
filesystem="ext4"
###
### Per-host definitions (required)
###
# The hostname of the system (set per-run)
target_hostname="hv1.example.tld"
# The target system disk path
target_disk="detect:LOGICAL:146GB:0"
# SSH key method (usually tftp)
target_keys_method="tftp"
# SSH key path (usually keys.txt)
target_keys_path="keys.txt"
# Deploy username (usually deploy)
target_deploy_user="deploy"
# Consoles to use by the inital boot process; these are normally set automatically
# based on the TTYs found by the installer, and are later overridden by the Ansible
# playbooks based on the hardware configuration. It is best to leave this commented
# unless you know that you need it.
#target_consoles="console=tty1 console=ttyS1,115200"
# Modules to blacklist from the installed system; we include hpwdt (HP Proliant
# watchdog) by default since this is known to cause kernel panics on boot with this
# hardware. Add others here too if you wish to add more to the default.
#target_module_blacklist=( "hpwdt" )
# Installer checkin URI (provided by pvcbootstrapd)
pvcbootstrapd_checkin_uri="http://10.255.255.1:9999/checkin/host"
```

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---
# clusters.yml
# This file defines a list of Clusters that pvcbootstrapd should be aware of.
clusters:
- cluster1
- cluster2

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# Parallel Virtual Cluster Provisioner API provisioner worker unit file
[Unit]
Description = Parallel Virtual Cluster Bootstrap API worker
After = network-online.target
[Service]
Type = simple
WorkingDirectory = /usr/share/pvc
Environment = PYTHONUNBUFFERED=true
Environment = PVC_CONFIG_FILE=/etc/pvc/pvcbootstrapd.yaml
ExecStart = /usr/share/pvc/pvcbootstrapd-worker.sh
Restart = on-failure
[Install]
WantedBy = multi-user.target

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#!/usr/bin/env bash
# pvcbootstrapd-worker.py - API Celery worker daemon startup stub
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
CELERY_BIN="$( which celery )"
# This absolute hackery is needed because Celery got the bright idea to change how their
# app arguments work in a non-backwards-compatible way with Celery 5.
case "$( cat /etc/debian_version )" in
10.*)
CELERY_ARGS="worker --app pvcbootstrapd.flaskapi.celery --concurrency 99 --pool gevent --loglevel DEBUG"
;;
11.*)
CELERY_ARGS="--app pvcbootstrapd.flaskapi.celery worker --concurrency 99 --pool gevent --loglevel DEBUG"
;;
*)
echo "Invalid Debian version found!"
exit 1
;;
esac
${CELERY_BIN} ${CELERY_ARGS}
exit $?

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#!/usr/bin/env python3
# pvcbootstrapd.py - Bootstrap API daemon startup stub
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import pvcbootstrapd.Daemon # noqa: F401
pvcbootstrapd.Daemon.entrypoint()

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# Parallel Virtual Cluster Bootstrap API daemon unit file
[Unit]
Description = Parallel Virtual Cluster Bootstrap API daemon
After = network-online.target
[Service]
Type = simple
WorkingDirectory = /usr/share/pvc
Environment = PYTHONUNBUFFERED=true
Environment = PVC_CONFIG_FILE=/etc/pvc/pvcbootstrapd.yaml
ExecStart = /usr/share/pvc/pvcbootstrapd.py
Restart = on-failure
[Install]
WantedBy = multi-user.target

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---
pvc:
# Enable debug mode
debug: true
# Deploy username
deploy_username: deploy
# Database (SQLite) configuration
database:
# Path to the database file
path: /srv/tftp/pvcbootstrapd.sql
# Flask API configuration
api:
# Listen address
address: 10.199.199.254
# Listen port
port: 9999
# Redis Celery queue configuration
queue:
# Connect address
address: 127.0.0.1
# Connect port
port: 6379
# Redis path (almost always 0)
path: "/0"
# DNSMasq DHCP configuration
dhcp:
# Listen address
address: 10.199.199.254
# Default gateway address
gateway: 10.199.199.1
# Local domain
domain: pvcbootstrap.local
# DHCP lease range start
lease_start: 10.199.199.10
# DHCP lease range end
lease_end: 10.199.199.99
# DHCP lease time
lease_time: 1h
# DNSMasq TFTP configuration
tftp:
# Root TFTP path (contents of the "buildpxe.sh" output directory; generally read-only)
root_path: "/srv/tftp/pvc-installer"
# Per-host TFTP path (almost always "/host" under "root_path"; must be writable)
host_path: "/srv/tftp/pvc-installer/host"
# PVC Ansible repository configuration
# Note: If "path" does not exist, "remote" will be cloned to it via Git using SSH private key "keyfile".
# Note: The VCS will be refreshed regularly via the API in response to webhooks.
ansible:
# Path to the VCS repository
path: "/var/home/joshua/pvc"
# Path to the deploy key (if applicable) used to clone and pull the repository
keyfile: "/var/home/joshua/id_ed25519.joshua.key"
# Git remote URI for the repository
remote: "ssh://git@git.bonifacelabs.ca:2222/bonifacelabs/pvc.git"
# Git branch to use
branch: "master"
# Clusters configuration file
clusters_file: "clusters.yml"
# Filenames of the various group_vars components of a cluster
# Generally with pvc-ansible this will contain 2 files: "base.yml", and "pvc.yml"; refer to the
# pvc-ansible documentation and examples for details on these files.
# The third file, "bootstrap.yml", is used by pvcbootstrapd to map BMC MAC addresses to hosts and
# to simplify hardware detection. It must be present or the cluster will not be bootstrapped.
# Adjust these entries to match the actual filenames of your clusters; the pvc-ansible defaults
# are provided here. All clusters using this pvcbootstrapd instance must share identical filenames
# here.
cspec_files:
base: "base.yml"
pvc: "pvc.yml"
bootstrap: "bootstrap.yml"

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---
pvc:
debug: true
deploy_username: DEPLOY_USERNAME
database:
path: ROOT_DIRECTORY/pvcbootstrapd.sql
api:
address: BOOTSTRAP_ADDRESS
port: 9999
queue:
address: 127.0.0.1
port: 6379
path: "/0"
dhcp:
address: BOOTSTRAP_ADDRESS
gateway: BOOTSTRAP_ADDRESS
domain: pvcbootstrap.local
lease_start: BOOTSTRAP_DHCPSTART
lease_end: BOOTSTRAP_DHCPEND
lease_time: 1h
tftp:
root_path: "ROOT_DIRECTORY/tftp"
host_path: "ROOT_DIRECTORY/tftp/host"
ansible:
path: "ROOT_DIRECTORY/repo"
keyfile: "ROOT_DIRECTORY/id_ed25519"
remote: "GIT_REMOTE"
branch: "GIT_BRANCH"
clusters_file: "clusters.yml"
cspec_files:
base: "base.yml"
pvc: "pvc.yml"
bootstrap: "bootstrap.yml"

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#!/usr/bin/env python3
# Daemon.py - PVC HTTP API daemon
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import os
import yaml
import signal
from sys import argv
import pvcbootstrapd.lib.dnsmasq as dnsmasqd
import pvcbootstrapd.lib.db as db
import pvcbootstrapd.lib.git as git
import pvcbootstrapd.lib.tftp as tftp
from distutils.util import strtobool as dustrtobool
# Daemon version
version = "0.1"
# API version
API_VERSION = 1.0
##########################################################
# Exceptions
##########################################################
class MalformedConfigurationError(Exception):
"""
An exception when parsing the PVC daemon configuration file
"""
def __init__(self, error=None):
self.msg = f"ERROR: Configuration file is malformed: {error}"
def __str__(self):
return str(self.msg)
##########################################################
# Helper Functions
##########################################################
def strtobool(stringv):
if stringv is None:
return False
if isinstance(stringv, bool):
return bool(stringv)
try:
return bool(dustrtobool(stringv))
except Exception:
return False
##########################################################
# Configuration Parsing
##########################################################
def get_config_path():
try:
return os.environ["PVCD_CONFIG_FILE"]
except KeyError:
print('ERROR: The "PVCD_CONFIG_FILE" environment variable must be set.')
os._exit(1)
def read_config():
pvcbootstrapd_config_file = get_config_path()
print(f"Loading configuration from file '{pvcbootstrapd_config_file}'")
# Load the YAML config file
with open(pvcbootstrapd_config_file, "r") as cfgfile:
try:
o_config = yaml.load(cfgfile, Loader=yaml.SafeLoader)
except Exception as e:
print(f"ERROR: Failed to parse configuration file: {e}")
os._exit(1)
# Create the configuration dictionary
config = dict()
# Get the base configuration
try:
o_base = o_config["pvc"]
except KeyError as k:
raise MalformedConfigurationError(f"Missing top-level category {k}")
for key in ["debug", "deploy_username"]:
try:
config[key] = o_base[key]
except KeyError as k:
raise MalformedConfigurationError(f"Missing first-level key {k}")
# Get the first-level categories
try:
o_database = o_base["database"]
o_api = o_base["api"]
o_queue = o_base["queue"]
o_dhcp = o_base["dhcp"]
o_tftp = o_base["tftp"]
o_ansible = o_base["ansible"]
except KeyError as k:
raise MalformedConfigurationError(f"Missing first-level category {k}")
# Get the Datbase configuration
for key in ["path"]:
try:
config[f"database_{key}"] = o_database[key]
except Exception:
raise MalformedConfigurationError(
f"Missing second-level key '{key}' under 'database'"
)
# Get the API configuration
for key in ["address", "port"]:
try:
config[f"api_{key}"] = o_api[key]
except Exception:
raise MalformedConfigurationError(
f"Missing second-level key '{key}' under 'api'"
)
# Get the queue configuration
for key in ["address", "port", "path"]:
try:
config[f"queue_{key}"] = o_queue[key]
except Exception:
raise MalformedConfigurationError(
f"Missing second-level key '{key}' under 'queue'"
)
# Get the DHCP configuration
for key in [
"address",
"gateway",
"domain",
"lease_start",
"lease_end",
"lease_time",
]:
try:
config[f"dhcp_{key}"] = o_dhcp[key]
except Exception:
raise MalformedConfigurationError(
f"Missing second-level key '{key}' under 'dhcp'"
)
# Get the TFTP configuration
for key in ["root_path", "host_path"]:
try:
config[f"tftp_{key}"] = o_tftp[key]
except Exception:
raise MalformedConfigurationError(
f"Missing second-level key '{key}' under 'tftp'"
)
# Get the Ansible configuration
for key in ["path", "keyfile", "remote", "branch", "clusters_file"]:
try:
config[f"ansible_{key}"] = o_ansible[key]
except Exception:
raise MalformedConfigurationError(
f"Missing second-level key '{key}' under 'ansible'"
)
# Get the second-level categories under Ansible
try:
o_ansible_cspec_files = o_ansible["cspec_files"]
except KeyError as k:
raise MalformedConfigurationError(
f"Missing second-level category {k} under 'ansible'"
)
# Get the Ansible CSpec Files configuration
for key in ["base", "pvc", "bootstrap"]:
try:
config[f"ansible_cspec_files_{key}"] = o_ansible_cspec_files[key]
except Exception:
raise MalformedConfigurationError(
f"Missing third-level key '{key}' under 'ansible/cspec_files'"
)
return config
config = read_config()
##########################################################
# Entrypoint
##########################################################
def entrypoint():
import pvcbootstrapd.flaskapi as pvcbootstrapd # noqa: E402
# Print our startup messages
print("")
print("|----------------------------------------------------------|")
print("| |")
print("| ███████████ ▜█▙ ▟█▛ █████ █ █ █ |")
print("| ██ ▜█▙ ▟█▛ ██ |")
print("| ███████████ ▜█▙ ▟█▛ ██ |")
print("| ██ ▜█▙▟█▛ ███████████ |")
print("| |")
print("|----------------------------------------------------------|")
print("| Parallel Virtual Cluster Bootstrap API daemon v{0: <9} |".format(version))
print("| Debug: {0: <49} |".format(str(config["debug"])))
print("| API version: v{0: <42} |".format(API_VERSION))
print(
"| Listen: {0: <48} |".format(
"{}:{}".format(config["api_address"], config["api_port"])
)
)
print("|----------------------------------------------------------|")
print("")
# Initialize the database
db.init_database(config)
# Initialize the Ansible repository
git.init_repository(config)
# Initialize the tftp root
tftp.init_tftp(config)
if "--init-only" in argv:
print("Successfully initialized pvcbootstrapd; exiting.")
exit(0)
# Start DNSMasq
dnsmasq = dnsmasqd.DNSMasq(config)
dnsmasq.start()
def cleanup(retcode):
dnsmasq.stop()
exit(retcode)
def term(signum="", frame=""):
print("Received TERM, exiting.")
cleanup(0)
signal.signal(signal.SIGTERM, term)
signal.signal(signal.SIGINT, term)
signal.signal(signal.SIGQUIT, term)
# Start Flask
pvcbootstrapd.app.run(
config["api_address"],
config["api_port"],
use_reloader=False,
threaded=False,
processes=4,
)

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#!/usr/bin/env python3
# dnsmasq-lease.py - DNSMasq lease interface for pvcnodedprov
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
from os import environ
from sys import argv
from requests import post
from json import dumps
# Request log
# dnsmasq-dhcp[877466]: 2067194916 available DHCP range: 10.199.199.10 -- 10.199.199.19
# dnsmasq-dhcp[877466]: 2067194916 DHCPDISCOVER(ens8) 52:54:00:34:36:40
# dnsmasq-dhcp[877466]: 2067194916 tags: ens8
# dnsmasq-dhcp[877466]: 2067194916 DHCPOFFER(ens8) 10.199.199.14 52:54:00:34:36:40
# dnsmasq-dhcp[877466]: 2067194916 requested options: 1:netmask, 28:broadcast, 2:time-offset, 3:router,
# dnsmasq-dhcp[877466]: 2067194916 requested options: 15:domain-name, 6:dns-server, 12:hostname
# dnsmasq-dhcp[877466]: 2067194916 next server: 10.199.199.1
# dnsmasq-dhcp[877466]: 2067194916 sent size: 1 option: 53 message-type 2
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 54 server-identifier 10.199.199.1
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 51 lease-time 1h
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 58 T1 30m
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 59 T2 52m30s
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 1 netmask 255.255.255.0
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 28 broadcast 10.199.199.255
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 3 router 10.199.199.1
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 6 dns-server 10.199.199.1
# dnsmasq-dhcp[877466]: 2067194916 sent size: 8 option: 15 domain-name test.com
# dnsmasq-dhcp[877466]: 2067194916 available DHCP range: 10.199.199.10 -- 10.199.199.19
# dnsmasq-dhcp[877466]: 2067194916 DHCPREQUEST(ens8) 10.199.199.14 52:54:00:34:36:40
# dnsmasq-dhcp[877466]: 2067194916 tags: ens8
# dnsmasq-dhcp[877466]: 2067194916 DHCPACK(ens8) 10.199.199.14 52:54:00:34:36:40
# dnsmasq-dhcp[877466]: 2067194916 requested options: 1:netmask, 28:broadcast, 2:time-offset, 3:router,
# dnsmasq-dhcp[877466]: 2067194916 requested options: 15:domain-name, 6:dns-server, 12:hostname
# dnsmasq-dhcp[877466]: 2067194916 next server: 10.199.199.1
# dnsmasq-dhcp[877466]: 2067194916 sent size: 1 option: 53 message-type 5
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 54 server-identifier 10.199.199.1
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 51 lease-time 1h
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 58 T1 30m
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 59 T2 52m30s
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 1 netmask 255.255.255.0
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 28 broadcast 10.199.199.255
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 3 router 10.199.199.1
# dnsmasq-dhcp[877466]: 2067194916 sent size: 4 option: 6 dns-server 10.199.199.1
# dnsmasq-dhcp[877466]: 2067194916 sent size: 8 option: 15 domain-name test.com
# dnsmasq-script[877466]: ['/var/home/joshua/dnsmasq-lease.py', 'add', '52:54:00:34:36:40', '10.199.199.14']
# dnsmasq-script[877466]: environ({'DNSMASQ_INTERFACE': 'ens8', 'DNSMASQ_LEASE_EXPIRES': '1638422308', 'DNSMASQ_REQUESTED_OPTIONS': '1,28,2,3,15,6,12', 'DNSMASQ_TAGS': 'ens8', 'DNSMASQ_TIME_REMAINING': '3600', 'DNSMASQ_LOG_DHCP': '1', 'LC_CTYPE': 'C.UTF-8'})
# Renew log
# dnsmasq-dhcp[877466]: 1471211555 available DHCP range: 10.199.199.10 -- 10.199.199.19
# dnsmasq-dhcp[877466]: 1471211555 DHCPREQUEST(ens8) 10.199.199.14 52:54:00:34:36:40
# dnsmasq-dhcp[877466]: 1471211555 tags: ens8
# dnsmasq-dhcp[877466]: 1471211555 DHCPACK(ens8) 10.199.199.14 52:54:00:34:36:40
# dnsmasq-dhcp[877466]: 1471211555 requested options: 1:netmask, 28:broadcast, 2:time-offset, 3:router,
# dnsmasq-dhcp[877466]: 1471211555 requested options: 15:domain-name, 6:dns-server, 12:hostname
# dnsmasq-dhcp[877466]: 1471211555 next server: 10.199.199.1
# dnsmasq-dhcp[877466]: 1471211555 sent size: 1 option: 53 message-type 5
# dnsmasq-dhcp[877466]: 1471211555 sent size: 4 option: 54 server-identifier 10.199.199.1
# dnsmasq-dhcp[877466]: 1471211555 sent size: 4 option: 51 lease-time 1h
# dnsmasq-dhcp[877466]: 1471211555 sent size: 4 option: 58 T1 30m
# dnsmasq-dhcp[877466]: 1471211555 sent size: 4 option: 59 T2 52m30s
# dnsmasq-dhcp[877466]: 1471211555 sent size: 4 option: 1 netmask 255.255.255.0
# dnsmasq-dhcp[877466]: 1471211555 sent size: 4 option: 28 broadcast 10.199.199.255
# dnsmasq-dhcp[877466]: 1471211555 sent size: 4 option: 3 router 10.199.199.1
# dnsmasq-dhcp[877466]: 1471211555 sent size: 4 option: 6 dns-server 10.199.199.1
# dnsmasq-dhcp[877466]: 1471211555 sent size: 8 option: 15 domain-name test.com
# dnsmasq-script[877466]: ['/var/home/joshua/dnsmasq-lease.py', 'old', '52:54:00:34:36:40', '10.199.199.14']
# dnsmasq-script[877466]: environ({'DNSMASQ_INTERFACE': 'ens8', 'DNSMASQ_LEASE_EXPIRES': '1638422371', 'DNSMASQ_REQUESTED_OPTIONS': '1,28,2,3,15,6,12', 'DNSMASQ_TAGS': 'ens8', 'DNSMASQ_TIME_REMAINING': '3600', 'DNSMASQ_LOG_DHCP': '1', 'LC_CTYPE': 'C.UTF-8'})
action = argv[1]
api_uri = environ.get("API_URI", "http://127.0.0.1:9999/checkin/dnsmasq")
api_headers = {"ContentType": "application/json"}
print(environ)
if action in ["add"]:
macaddr = argv[2]
ipaddr = argv[3]
api_data = dumps(
{
"action": action,
"macaddr": macaddr,
"ipaddr": ipaddr,
"hostname": environ.get("DNSMASQ_SUPPLIED_HOSTNAME"),
"client_id": environ.get("DNSMASQ_CLIENT_ID"),
"expiry": environ.get("DNSMASQ_LEASE_EXPIRES"),
"vendor_class": environ.get("DNSMASQ_VENDOR_CLASS"),
"user_class": environ.get("DNSMASQ_USER_CLASS0"),
}
)
post(api_uri, headers=api_headers, data=api_data, verify=False)
elif action in ["tftp"]:
size = argv[2]
destaddr = argv[3]
filepath = argv[4]
api_data = dumps(
{"action": action, "size": size, "destaddr": destaddr, "filepath": filepath}
)
post(api_uri, headers=api_headers, data=api_data, verify=False)
exit(0)

241
bootstrap-daemon/pvcbootstrapd/flaskapi.py Executable file
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#!/usr/bin/env python3
# pvcbootstrapd.py - PVC Cluster Auto-bootstrap
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import flask
import json
from pvcbootstrapd.Daemon import config
import pvcbootstrapd.lib.lib as lib
from flask_restful import Resource, Api
from celery import Celery
from celery.utils.log import get_task_logger
logger = get_task_logger(__name__)
# Create Flask app and set config values
app = flask.Flask(__name__)
blueprint = flask.Blueprint("api", __name__, url_prefix="")
api = Api(blueprint)
app.register_blueprint(blueprint)
app.config[
"CELERY_BROKER_URL"
] = f"redis://{config['queue_address']}:{config['queue_port']}{config['queue_path']}"
celery = Celery(app.name, broker=app.config["CELERY_BROKER_URL"])
celery.conf.update(app.config)
#
# Celery functions
#
@celery.task(bind=True)
def dnsmasq_checkin(self, data):
lib.dnsmasq_checkin(config, data)
@celery.task(bind=True)
def host_checkin(self, data):
lib.host_checkin(config, data)
#
# API routes
#
class API_Root(Resource):
def get(self):
"""
Return basic details of the API
---
tags:
- root
responses:
200:
description: OK
schema:
type: object
id: Message
properties:
message:
type: string
description: A text message describing the result
example: "The foo was successfully maxed"
"""
return {"message": "pvcbootstrapd API"}, 200
api.add_resource(API_Root, "/")
class API_Checkin(Resource):
def get(self):
"""
Return checkin details of the API
---
tags:
- checkin
responses:
200:
description: OK
schema:
type: object
id: Message
"""
return {"message": "pvcbootstrapd API Checkin interface"}, 200
api.add_resource(API_Checkin, "/checkin")
class API_Checkin_DNSMasq(Resource):
def post(self):
"""
Register a checkin from the DNSMasq subsystem
---
tags:
- checkin
consumes:
- application/json
parameters:
- in: body
name: dnsmasq_checkin_event
description: An event checkin from an external bootstrap tool component.
schema:
type: object
required:
- action
properties:
action:
type: string
description: The action of the event.
example: "add"
macaddr:
type: string
description: (add, old) The MAC address from a DHCP request.
example: "ff:ff:ff:ab:cd:ef"
ipaddr:
type: string
description: (add, old) The IP address from a DHCP request.
example: "10.199.199.10"
hostname:
type: string
description: (add, old) The client hostname from a DHCP request.
example: "pvc-installer-live"
client_id:
type: string
description: (add, old) The client ID from a DHCP request.
example: "01:ff:ff:ff:ab:cd:ef"
vendor_class:
type: string
description: (add, old) The DHCP vendor-class option from a DHCP request.
example: "CPQRIB3 (HP Proliant DL360 G6 iLO)"
user_class:
type: string
description: (add, old) The DHCP user-class option from a DHCP request.
example: None
responses:
200:
description: OK
schema:
type: object
id: Message
"""
try:
data = json.loads(flask.request.data)
except Exception as e:
logger.warn(e)
data = {"action": None}
logger.info(f"Handling DNSMasq checkin for: {data}")
task = dnsmasq_checkin.delay(data)
logger.debug(task)
return {"message": "received checkin from DNSMasq"}, 200
api.add_resource(API_Checkin_DNSMasq, "/checkin/dnsmasq")
class API_Checkin_Host(Resource):
def post(self):
"""
Register a checkin from the Host subsystem
---
tags:
- checkin
consumes:
- application/json
parameters:
- in: body
name: host_checkin_event
description: An event checkin from an external bootstrap tool component.
schema:
type: object
required:
- action
properties:
action:
type: string
description: The action of the event.
example: "begin"
hostname:
type: string
description: The system hostname.
example: "hv1.mydomain.tld"
host_macaddr:
type: string
description: The MAC address of the system provisioning interface.
example: "ff:ff:ff:ab:cd:ef"
host_ipaddr:
type: string
description: The IP address of the system provisioning interface.
example: "10.199.199.11"
bmc_macaddr:
type: string
description: The MAC address of the system BMC interface.
example: "ff:ff:ff:01:23:45"
bmc_ipaddr:
type: string
description: The IP addres of the system BMC interface.
example: "10.199.199.10"
responses:
200:
description: OK
schema:
type: object
id: Message
"""
try:
data = json.loads(flask.request.data)
except Exception as e:
logger.warning(f"Invalid JSON data, setting action to None: {e}")
data = {"action": None}
logger.info(f"Handling Host checkin for: {data}")
task = host_checkin.delay(data)
logger.debug(task)
return {"message": "received checkin from Host"}, 200
api.add_resource(API_Checkin_Host, "/checkin/host")

0
bootstrap-daemon/pvcbootstrapd/lib/__init__.py Normal file
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78
bootstrap-daemon/pvcbootstrapd/lib/ansible.py Executable file
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#!/usr/bin/env python3
# ansible.py - PVC Cluster Auto-bootstrap Ansible libraries
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import pvcbootstrapd.lib.git as git
import ansible_runner
import tempfile
from time import sleep
from celery.utils.log import get_task_logger
logger = get_task_logger(__name__)
def run_bootstrap(config, cspec, cluster, nodes):
"""
Run an Ansible bootstrap against a cluster
"""
logger.debug(nodes)
# Construct our temporary INI inventory string
logger.info("Constructing virtual Ansible inventory")
base_yaml = cspec["clusters"][cluster.name]["base_yaml"]
local_domain = base_yaml.get("local_domain")
inventory = [f"""[{cluster.name}]"""]
for node in nodes:
inventory.append(
f"""{node.name}.{local_domain} ansible_host={node.host_ipaddr}"""
)
inventory = "\n".join(inventory)
logger.debug(inventory)
# Waiting 30 seconds to ensure everything is booted an stabilized
logger.info("Waiting 60s before starting Ansible bootstrap.")
sleep(60)
# Run the Ansible playbooks
with tempfile.TemporaryDirectory(prefix="pvc-ansible-bootstrap_") as pdir:
try:
r = ansible_runner.run(
private_data_dir=f"{pdir}",
inventory=inventory,
limit=f"{cluster.name}",
playbook=f"{config['ansible_path']}/pvc.yml",
extravars={
"ansible_ssh_private_key_file": config["ansible_keyfile"],
"bootstrap": "yes",
},
forks=len(nodes),
verbosity=2,
)
logger.info("Final status:")
logger.info("{}: {}".format(r.status, r.rc))
logger.info(r.stats)
if r.rc == 0:
git.commit_repository(config)
git.push_repository(config)
except Exception as e:
logger.warning(f"Error: {e}")

50
bootstrap-daemon/pvcbootstrapd/lib/dataclasses.py Executable file
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#!/usr/bin/env python3
# dataclasses.py - PVC Cluster Auto-bootstrap dataclasses
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
from dataclasses import dataclass
@dataclass
class Cluster:
"""
An instance of a Cluster
"""
id: int
name: str
state: str
@dataclass
class Node:
"""
An instance of a Node
"""
id: int
cluster: str
state: str
name: str
nid: int
bmc_macaddr: str
bmc_iapddr: str
host_macaddr: str
host_ipaddr: str

267
bootstrap-daemon/pvcbootstrapd/lib/db.py Executable file
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#!/usr/bin/env python3
# db.py - PVC Cluster Auto-bootstrap database libraries
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import os
import sqlite3
import contextlib
from pvcbootstrapd.lib.dataclasses import Cluster, Node
from celery.utils.log import get_task_logger
logger = get_task_logger(__name__)
#
# Database functions
#
@contextlib.contextmanager
def dbconn(db_path):
conn = sqlite3.connect(db_path)
conn.execute("PRAGMA foreign_keys = 1")
cur = conn.cursor()
yield cur
conn.commit()
conn.close()
def init_database(config):
db_path = config["database_path"]
if not os.path.isfile(db_path):
print("First run: initializing database.")
# Initializing the database
with dbconn(db_path) as cur:
# Table listing all clusters
cur.execute(
"""CREATE TABLE clusters
(id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT UNIQUE NOT NULL,
state TEXT NOT NULL)"""
)
# Table listing all nodes
# FK: cluster -> clusters.id
cur.execute(
"""CREATE TABLE nodes
(id INTEGER PRIMARY KEY AUTOINCREMENT,
cluster INTEGER NOT NULL,
state TEXT NOT NULL,
name TEXT UNIQUE NOT NULL,
nodeid INTEGER NOT NULL,
bmc_macaddr TEXT NOT NULL,
bmc_ipaddr TEXT NOT NULL,
host_macaddr TEXT NOT NULL,
host_ipaddr TEXT NOT NULL,
CONSTRAINT cluster_col FOREIGN KEY (cluster) REFERENCES clusters(id) ON DELETE CASCADE )"""
)
#
# Cluster functions
#
def get_cluster(config, cid=None, name=None):
if cid is None and name is None:
return None
elif cid is not None:
findfield = "id"
datafield = cid
elif name is not None:
findfield = "name"
datafield = name
with dbconn(config["database_path"]) as cur:
cur.execute(f"""SELECT * FROM clusters WHERE {findfield} = ?""", (datafield,))
rows = cur.fetchall()
if len(rows) > 0:
row = rows[0]
else:
return None
return Cluster(row[0], row[1], row[2])
def add_cluster(config, cspec, name, state):
with dbconn(config["database_path"]) as cur:
cur.execute(
"""INSERT INTO clusters
(name, state)
VALUES
(?, ?)""",
(name, state),
)
logger.info(f"New cluster {name} added, populating bootstrap nodes from cspec")
for bmcmac in cspec["clusters"][name]["cspec_yaml"]["bootstrap"]:
hostname = cspec["clusters"][name]["cspec_yaml"]["bootstrap"][bmcmac]["node"][
"hostname"
]
add_node(
config,
name,
hostname,
int("".join(filter(str.isdigit, hostname))),
"init",
bmcmac,
"",
"",
"",
)
logger.info(f"Added node {hostname}")
return get_cluster(config, name=name)
def update_cluster_state(config, name, state):
with dbconn(config["database_path"]) as cur:
cur.execute(
"""UPDATE clusters
SET state = ?
WHERE name = ?""",
(state, name),
)
return get_cluster(config, name=name)
#
# Node functions
#
def get_node(config, cluster_name, nid=None, name=None, bmc_macaddr=None):
cluster = get_cluster(config, name=cluster_name)
if nid is None and name is None and bmc_macaddr is None:
return None
elif nid is not None:
findfield = "id"
datafield = nid
elif bmc_macaddr is not None:
findfield = "bmc_macaddr"
datafield = bmc_macaddr
elif name is not None:
findfield = "name"
datafield = name
with dbconn(config["database_path"]) as cur:
cur.execute(
f"""SELECT * FROM nodes WHERE {findfield} = ? AND cluster = ?""",
(datafield, cluster.id),
)
rows = cur.fetchall()
if len(rows) > 0:
row = rows[0]
else:
return None
return Node(
row[0], cluster.name, row[2], row[3], row[4], row[5], row[6], row[7], row[8]
)
def get_nodes_in_cluster(config, cluster_name):
cluster = get_cluster(config, name=cluster_name)
with dbconn(config["database_path"]) as cur:
cur.execute("""SELECT * FROM nodes WHERE cluster = ?""", (cluster.id,))
rows = cur.fetchall()
node_list = list()
for row in rows:
node_list.append(
Node(
row[0],
cluster.name,
row[2],
row[3],
row[4],
row[5],
row[6],
row[7],
row[8],
)
)
return node_list
def add_node(
config,
cluster_name,
name,
nodeid,
state,
bmc_macaddr,
bmc_ipaddr,
host_macaddr,
host_ipaddr,
):
cluster = get_cluster(config, name=cluster_name)
with dbconn(config["database_path"]) as cur:
cur.execute(
"""INSERT INTO nodes
(cluster, state, name, nodeid, bmc_macaddr, bmc_ipaddr, host_macaddr, host_ipaddr)
VALUES
(?, ?, ?, ?, ?, ?, ?, ?)""",
(
cluster.id,
state,
name,
nodeid,
bmc_macaddr,
bmc_ipaddr,
host_macaddr,
host_ipaddr,
),
)
return get_node(config, cluster_name, name=name)
def update_node_state(config, cluster_name, name, state):
cluster = get_cluster(config, name=cluster_name)
with dbconn(config["database_path"]) as cur:
cur.execute(
"""UPDATE nodes
SET state = ?
WHERE name = ? AND cluster = ?""",
(state, name, cluster.id),
)
return get_node(config, cluster_name, name=name)
def update_node_addresses(
config, cluster_name, name, bmc_macaddr, bmc_ipaddr, host_macaddr, host_ipaddr
):
cluster = get_cluster(config, name=cluster_name)
with dbconn(config["database_path"]) as cur:
cur.execute(
"""UPDATE nodes
SET bmc_macaddr = ?, bmc_ipaddr = ?, host_macaddr = ?, host_ipaddr = ?
WHERE name = ? AND cluster = ?""",
(bmc_macaddr, bmc_ipaddr, host_macaddr, host_ipaddr, name, cluster.id),
)
return get_node(config, cluster_name, name=name)

99
bootstrap-daemon/pvcbootstrapd/lib/dnsmasq.py Executable file
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#!/usr/bin/env python3
# dnsmasq.py - PVC Cluster Auto-bootstrap DNSMasq instance
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import os
import subprocess
import signal
from threading import Thread
class DNSMasq:
"""
Implementes a daemonized instance of DNSMasq for providing DHCP and TFTP services
The DNSMasq instance listens on the configured 'dhcp_address', and instead of a "real"
leases database forwards requests to the 'dnsmasq-lease.py' script. This script will
then hit the pvcbootstrapd '/checkin' API endpoint to perform actions.
TFTP is provided to automate the bootstrap of a node, providing the pvc-installer
over TFTP as well as a seed configuration which is created by the API.
"""
def __init__(self, config):
self.environment = {
"API_URI": f"http://{config['api_address']}:{config['api_port']}/checkin/dnsmasq"
}
self.dnsmasq_cmd = [
"/usr/sbin/dnsmasq",
"--bogus-priv",
"--no-hosts",
"--dhcp-authoritative",
"--filterwin2k",
"--expand-hosts",
"--domain-needed",
f"--domain={config['dhcp_domain']}",
f"--local=/{config['dhcp_domain']}/",
"--log-facility=-",
"--log-dhcp",
"--keep-in-foreground",
f"--dhcp-script={os.getcwd()}/pvcbootstrapd/dnsmasq-lease.py",
"--bind-interfaces",
f"--listen-address={config['dhcp_address']}",
f"--dhcp-option=3,{config['dhcp_gateway']}",
f"--dhcp-range={config['dhcp_lease_start']},{config['dhcp_lease_end']},{config['dhcp_lease_time']}",
"--enable-tftp",
f"--tftp-root={config['tftp_root_path']}/",
# This block of dhcp-match, tag-if, and dhcp-boot statements sets the following TFTP setup:
# If the machine sends client-arch 0, and is not tagged iPXE, load undionly.kpxe (chainload)
# If the machine sends client-arch 7 or 9, and is not tagged iPXE, load ipxe.efi (chainload)
# If the machine sends the iPXE option, load boot.ipxe (iPXE boot configuration)
"--dhcp-match=set:o_bios,option:client-arch,0",
"--dhcp-match=set:o_uefi,option:client-arch,7",
"--dhcp-match=set:o_uefi,option:client-arch,9",
"--dhcp-match=set:ipxe,175",
"--tag-if=set:bios,tag:!ipxe,tag:o_bios",
"--tag-if=set:uefi,tag:!ipxe,tag:o_uefi",
"--dhcp-boot=tag:bios,undionly.kpxe",
"--dhcp-boot=tag:uefi,ipxe.efi",
"--dhcp-boot=tag:ipxe,boot.ipxe",
]
if config["debug"]:
self.dnsmasq_cmd.append("--leasefile-ro")
print(self.dnsmasq_cmd)
self.stdout = subprocess.PIPE
def execute(self):
self.proc = subprocess.Popen(
self.dnsmasq_cmd,
env=self.environment,
)
def start(self):
self.thread = Thread(target=self.execute, args=())
self.thread.start()
def stop(self):
self.proc.send_signal(signal.SIGTERM)
def reload(self):
self.proc.send_signal(signal.SIGHUP)

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bootstrap-daemon/pvcbootstrapd/lib/git.py Executable file
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#!/usr/bin/env python3
# git.py - PVC Cluster Auto-bootstrap Git repository libraries
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import os.path
import git
import yaml
from celery.utils.log import get_task_logger
logger = get_task_logger(__name__)
def init_repository(config):
"""
Clone the Ansible git repository
"""
try:
git_ssh_cmd = f"ssh -i {config['ansible_keyfile']} -o StrictHostKeyChecking=no"
if not os.path.exists(config["ansible_path"]):
print(
f"First run: cloning repository {config['ansible_remote']} branch {config['ansible_branch']} to {config['ansible_path']}"
)
git.Repo.clone_from(
config["ansible_remote"],
config["ansible_path"],
branch=config["ansible_branch"],
env=dict(GIT_SSH_COMMAND=git_ssh_cmd),
)
g = git.cmd.Git(f"{config['ansible_path']}")
g.checkout(config["ansible_branch"])
g.submodule("update", "--init", env=dict(GIT_SSH_COMMAND=git_ssh_cmd))
except Exception as e:
print(f"Error: {e}")
def pull_repository(config):
"""
Pull (with rebase) the Ansible git repository
"""
logger.info(f"Updating local configuration repository {config['ansible_path']}")
try:
git_ssh_cmd = f"ssh -i {config['ansible_keyfile']} -o StrictHostKeyChecking=no"
g = git.cmd.Git(f"{config['ansible_path']}")
g.pull(rebase=True, env=dict(GIT_SSH_COMMAND=git_ssh_cmd))
g.submodule("update", "--init", env=dict(GIT_SSH_COMMAND=git_ssh_cmd))
except Exception as e:
logger.warn(e)
def commit_repository(config):
"""
Commit uncommitted changes to the Ansible git repository
"""
logger.info(
f"Committing changes to local configuration repository {config['ansible_path']}"
)
try:
g = git.cmd.Git(f"{config['ansible_path']}")
g.add("--all")
commit_env = {
"GIT_COMMITTER_NAME": "PVC Bootstrap",
"GIT_COMMITTER_EMAIL": "git@pvcbootstrapd",
}
g.commit(
"-m",
"Automated commit from PVC Bootstrap Ansible subsystem",
author="PVC Bootstrap <git@pvcbootstrapd>",
env=commit_env,
)
except Exception as e:
logger.warn(e)
def push_repository(config):
"""
Push changes to the default remote
"""
logger.info(
f"Pushing changes from local configuration repository {config['ansible_path']}"
)
try:
git_ssh_cmd = f"ssh -i {config['ansible_keyfile']} -o StrictHostKeyChecking=no"
g = git.Repo(f"{config['ansible_path']}")
origin = g.remote(name="origin")
origin.push(env=dict(GIT_SSH_COMMAND=git_ssh_cmd))
except Exception as e:
logger.warn(e)
def load_cspec_yaml(config):
"""
Load the bootstrap group_vars for all known clusters
"""
# Pull down the repository
pull_repository(config)
# Load our clusters file and read the clusters from it
clusters_file = f"{config['ansible_path']}/{config['ansible_clusters_file']}"
logger.info(f"Loading cluster configuration from file '{clusters_file}'")
with open(clusters_file, "r") as clustersfh:
clusters = yaml.load(clustersfh, Loader=yaml.SafeLoader).get("clusters", list())
# Define a base cpec
cspec = {
"bootstrap": dict(),
"hooks": dict(),
"clusters": dict(),
}
# Read each cluster's cspec and update the base cspec
logger.info("Loading per-cluster specifications")
for cluster in clusters:
cspec["clusters"][cluster] = dict()
cspec["clusters"][cluster]["bootstrap_nodes"] = list()
cspec_file = f"{config['ansible_path']}/group_vars/{cluster}/{config['ansible_cspec_files_bootstrap']}"
if os.path.exists(cspec_file):
with open(cspec_file, "r") as cpsecfh:
try:
cspec_yaml = yaml.load(cpsecfh, Loader=yaml.SafeLoader)
except Exception as e:
logger.warn(
f"Failed to load {config['ansible_cspec_files_bootstrap']} for cluster {cluster}: {e}"
)
continue
cspec["clusters"][cluster]["cspec_yaml"] = cspec_yaml
# Convert the MAC address keys to lowercase
# DNSMasq operates with lowercase keys, but often these are written with uppercase.
# Convert them to lowercase to prevent discrepancies later on.
cspec_yaml["bootstrap"] = {
k.lower(): v for k, v in cspec_yaml["bootstrap"].items()
}
# Load in the YAML for the cluster
base_yaml = load_base_yaml(config, cluster)
cspec["clusters"][cluster]["base_yaml"] = base_yaml
pvc_yaml = load_pvc_yaml(config, cluster)
cspec["clusters"][cluster]["pvc_yaml"] = pvc_yaml
# Set per-node values from elsewhere
for node in cspec_yaml["bootstrap"]:
cspec["clusters"][cluster]["bootstrap_nodes"].append(
cspec_yaml["bootstrap"][node]["node"]["hostname"]
)
# Set the cluster value automatically
cspec_yaml["bootstrap"][node]["node"]["cluster"] = cluster
# Set the domain value automatically via base config
cspec_yaml["bootstrap"][node]["node"]["domain"] = base_yaml[
"local_domain"
]
# Set the node FQDN value automatically
cspec_yaml["bootstrap"][node]["node"][
"fqdn"
] = f"{cspec_yaml['bootstrap'][node]['node']['hostname']}.{cspec_yaml['bootstrap'][node]['node']['domain']}"
# Append bootstrap entries to the main dictionary
cspec["bootstrap"] = {**cspec["bootstrap"], **cspec_yaml["bootstrap"]}
# Append hooks to the main dictionary (per-cluster)
if cspec_yaml.get("hooks"):
cspec["hooks"][cluster] = cspec_yaml["hooks"]
logger.info("Finished loading per-cluster specifications")
return cspec
def load_base_yaml(config, cluster):
"""
Load the base.yml group_vars for a cluster
"""
base_file = f"{config['ansible_path']}/group_vars/{cluster}/{config['ansible_cspec_files_base']}"
with open(base_file, "r") as varsfile:
base_yaml = yaml.load(varsfile, Loader=yaml.SafeLoader)
return base_yaml
def load_pvc_yaml(config, cluster):
"""
Load the pvc.yml group_vars for a cluster
"""
pvc_file = f"{config['ansible_path']}/group_vars/{cluster}/{config['ansible_cspec_files_pvc']}"
with open(pvc_file, "r") as varsfile:
pvc_yaml = yaml.load(varsfile, Loader=yaml.SafeLoader)
return pvc_yaml

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bootstrap-daemon/pvcbootstrapd/lib/hooks.py Executable file
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#!/usr/bin/env python3
# hooks.py - PVC Cluster Auto-bootstrap Hook libraries
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import pvcbootstrapd.lib.db as db
import json
import tempfile
import paramiko
import contextlib
import requests
from re import match
from time import sleep
from celery.utils.log import get_task_logger
logger = get_task_logger(__name__)
@contextlib.contextmanager
def run_paramiko(config, node_address):
ssh_client = paramiko.SSHClient()
ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh_client.connect(
hostname=node_address,
username=config["deploy_username"],
key_filename=config["ansible_keyfile"],
)
yield ssh_client
ssh_client.close()
def run_hook_osddb(config, targets, args):
"""
Add an OSD DB defined by args['disk']
"""
for node in targets:
node_name = node.name
node_address = node.host_ipaddr
device = args["disk"]
logger.info(f"Creating OSD DB on node {node_name} device {device}")
# Using a direct command on the target here is somewhat messy, but avoids many
# complexities of determining a valid API listen address, etc.
pvc_cmd_string = f"pvc storage osd create-db-vg --yes {node_name} {device}"
with run_paramiko(config, node_address) as c:
stdin, stdout, stderr = c.exec_command(pvc_cmd_string)
logger.debug(stdout.readlines())
logger.debug(stderr.readlines())
def run_hook_osd(config, targets, args):
"""
Add an OSD defined by args['disk'] with weight args['weight']
"""
for node in targets:
node_name = node.name
node_address = node.host_ipaddr
device = args["disk"]
weight = args.get("weight", 1)
ext_db_flag = args.get("ext_db", False)
ext_db_ratio = args.get("ext_db_ratio", 0.05)
logger.info(f"Creating OSD on node {node_name} device {device} weight {weight}")
# Using a direct command on the target here is somewhat messy, but avoids many
# complexities of determining a valid API listen address, etc.
pvc_cmd_string = (
f"pvc storage osd add --yes {node_name} {device} --weight {weight}"
)
if ext_db_flag:
pvc_cmd_string = f"{pvc_cmd_string} --ext-db --ext-db-ratio {ext_db_ratio}"
with run_paramiko(config, node_address) as c:
stdin, stdout, stderr = c.exec_command(pvc_cmd_string)
logger.debug(stdout.readlines())
logger.debug(stderr.readlines())
def run_hook_pool(config, targets, args):
"""
Add an pool defined by args['name'] on device tier args['tier']
"""
for node in targets:
node_name = node.name
node_address = node.host_ipaddr
name = args["name"]
pgs = args.get("pgs", "64")
tier = args.get("tier", "default") # Does nothing yet
logger.info(
f"Creating storage pool on node {node_name} name {name} pgs {pgs} tier {tier}"
)
# Using a direct command on the target here is somewhat messy, but avoids many
# complexities of determining a valid API listen address, etc.
pvc_cmd_string = f"pvc storage pool add {name} {pgs}"
with run_paramiko(config, node_address) as c:
stdin, stdout, stderr = c.exec_command(pvc_cmd_string)
logger.debug(stdout.readlines())
logger.debug(stderr.readlines())
# This only runs once on whatever the first node is
break
def run_hook_network(config, targets, args):
"""
Add an network defined by args (many)
"""
for node in targets:
node_name = node.name
node_address = node.host_ipaddr
vni = args["vni"]
description = args["description"]
nettype = args["type"]
mtu = args.get("mtu", None)
pvc_cmd_string = (
f"pvc network add {vni} --description {description} --type {nettype}"
)
if mtu is not None and mtu not in ["auto", "default"]:
pvc_cmd_string = f"{pvc_cmd_string} --mtu {mtu}"
if nettype == "managed":
domain = args["domain"]
pvc_cmd_string = f"{pvc_cmd_string} --domain {domain}"
dns_servers = args.get("dns_servers", [])
for dns_server in dns_servers:
pvc_cmd_string = f"{pvc_cmd_string} --dns-server {dns_server}"
is_ip4 = args["ip4"]
if is_ip4:
ip4_network = args["ip4_network"]
pvc_cmd_string = f"{pvc_cmd_string} --ipnet {ip4_network}"
ip4_gateway = args["ip4_gateway"]
pvc_cmd_string = f"{pvc_cmd_string} --gateway {ip4_gateway}"
ip4_dhcp = args["ip4_dhcp"]
if ip4_dhcp:
pvc_cmd_string = f"{pvc_cmd_string} --dhcp"
ip4_dhcp_start = args["ip4_dhcp_start"]
ip4_dhcp_end = args["ip4_dhcp_end"]
pvc_cmd_string = f"{pvc_cmd_string} --dhcp-start {ip4_dhcp_start} --dhcp-end {ip4_dhcp_end}"
else:
pvc_cmd_string = f"{pvc_cmd_string} --no-dhcp"
is_ip6 = args["ip6"]
if is_ip6:
ip6_network = args["ip6_network"]
pvc_cmd_string = f"{pvc_cmd_string} --ipnet6 {ip6_network}"
ip6_gateway = args["ip6_gateway"]
pvc_cmd_string = f"{pvc_cmd_string} --gateway6 {ip6_gateway}"
logger.info(f"Creating network on node {node_name} VNI {vni} type {nettype}")
with run_paramiko(config, node_address) as c:
stdin, stdout, stderr = c.exec_command(pvc_cmd_string)
logger.debug(stdout.readlines())
logger.debug(stderr.readlines())
# This only runs once on whatever the first node is
break
def run_hook_script(config, targets, args):
"""
Run a script on the targets
"""
for node in targets:
node_name = node.name
node_address = node.host_ipaddr
script = args.get("script", None)
source = args.get("source", None)
path = args.get("path", None)
logger.info(f"Running script on node {node_name}")
with run_paramiko(config, node_address) as c:
if script is not None:
remote_path = "/tmp/pvcbootstrapd.hook"
with tempfile.NamedTemporaryFile(mode="w") as tf:
tf.write(script)
tf.seek(0)
# Send the file to the remote system
tc = c.open_sftp()
tc.put(tf.name, remote_path)
tc.chmod(remote_path, 0o755)
tc.close()
elif source == "local":
if not match(r"^/", path):
path = config["ansible_path"] + "/" + path
remote_path = "/tmp/pvcbootstrapd.hook"
if path is None:
continue
tc = c.open_sftp()
tc.put(path, remote_path)
tc.chmod(remote_path, 0o755)
tc.close()
elif source == "remote":
remote_path = path
stdin, stdout, stderr = c.exec_command(remote_path)
logger.debug(stdout.readlines())
logger.debug(stderr.readlines())
def run_hook_webhook(config, targets, args):
"""
Send an HTTP requests (no targets)
"""
logger.info(f"Running webhook against {args['uri']}")
# Get the body data
data = json.dumps(args["body"])
headers = {"content-type": "application/json"}
# Craft up a Requests endpoint set for this
requests_actions = {
"get": requests.get,
"post": requests.post,
"put": requests.put,
"patch": requests.patch,
"delete": requests.delete,
"options": requests.options,
}
action = args["action"]
result = requests_actions[action](args["uri"], headers=headers, data=data)
logger.info(f"Result: {result}")
hook_functions = {
"osddb": run_hook_osddb,
"osd": run_hook_osd,
"pool": run_hook_pool,
"network": run_hook_network,
"script": run_hook_script,
"webhook": run_hook_webhook,
}
def run_hooks(config, cspec, cluster, nodes):
"""
Run an Ansible bootstrap against a cluster
"""
# Waiting 30 seconds to ensure everything is booted an stabilized
logger.info("Waiting 300s before starting hook run.")
sleep(300)
cluster_hooks = cspec["hooks"][cluster.name]
cluster_nodes = db.get_nodes_in_cluster(config, cluster.name)
for hook in cluster_hooks:
hook_target = hook.get("target", "all")
hook_name = hook.get("name")
logger.info(f"Running hook on {hook_target}: {hook_name}")
if "all" in hook_target:
target_nodes = cluster_nodes
else:
target_nodes = [node for node in cluster_nodes if node.name in hook_target]
hook_type = hook.get("type")
hook_args = hook.get("args")
if hook_type is None or hook_args is None:
logger.warning("Invalid hook: missing required configuration")
continue
# Run the hook function
try:
hook_functions[hook_type](config, target_nodes, hook_args)
except Exception as e:
logger.warning(f"Error running hook: {e}")
# Wait 5s between hooks
sleep(5)
# Restart nodes to complete setup
hook_functions['script'](config, cluster_nodes, {'script': '#!/usr/bin/env bash\necho bootstrapped | sudo tee /etc/pvc-install.hooks\nsudo reboot'})

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bootstrap-daemon/pvcbootstrapd/lib/host.py Executable file
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#!/usr/bin/env python3
# host.py - PVC Cluster Auto-bootstrap host libraries
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
from celery.utils.log import get_task_logger
import pvcbootstrapd.lib.db as db
logger = get_task_logger(__name__)
def installer_init(config, cspec, data):
bmc_macaddr = data["bmc_macaddr"]
bmc_ipaddr = data["bmc_ipaddr"]
host_macaddr = data["host_macaddr"]
host_ipaddr = data["host_ipaddr"]
cspec_cluster = cspec["bootstrap"][bmc_macaddr]["node"]["cluster"]
cspec_hostname = cspec["bootstrap"][bmc_macaddr]["node"]["hostname"]
cluster = db.get_cluster(config, name=cspec_cluster)
if cluster is None:
cluster = db.add_cluster(config, cspec, cspec_cluster, "provisioning")
logger.debug(cluster)
db.update_node_addresses(
config,
cspec_cluster,
cspec_hostname,
bmc_macaddr,
bmc_ipaddr,
host_macaddr,
host_ipaddr,
)
db.update_node_state(config, cspec_cluster, cspec_hostname, "installing")
node = db.get_node(config, cspec_cluster, name=cspec_hostname)
logger.debug(node)
def installer_complete(config, cspec, data):
bmc_macaddr = data["bmc_macaddr"]
cspec_hostname = cspec["bootstrap"][bmc_macaddr]["node"]["hostname"]
cspec_cluster = cspec["bootstrap"][bmc_macaddr]["node"]["cluster"]
db.update_node_state(config, cspec_cluster, cspec_hostname, "installed")
node = db.get_node(config, cspec_cluster, name=cspec_hostname)
logger.debug(node)
def set_boot_state(config, cspec, data, state):
bmc_macaddr = data["bmc_macaddr"]
bmc_ipaddr = data["bmc_ipaddr"]
host_macaddr = data["host_macaddr"]
host_ipaddr = data["host_ipaddr"]
cspec_cluster = cspec["bootstrap"][bmc_macaddr]["node"]["cluster"]
cspec_hostname = cspec["bootstrap"][bmc_macaddr]["node"]["hostname"]
db.update_node_addresses(
config,
cspec_cluster,
cspec_hostname,
bmc_macaddr,
bmc_ipaddr,
host_macaddr,
host_ipaddr,
)
db.update_node_state(config, cspec_cluster, cspec_hostname, state)
node = db.get_node(config, cspec_cluster, name=cspec_hostname)
logger.debug(node)

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bootstrap-daemon/pvcbootstrapd/lib/installer.py Executable file
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#!/usr/bin/env python3
# lib.py - PVC Cluster Auto-bootstrap libraries
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
from jinja2 import Template
#
# Worker Functions - PXE/Installer Per-host Templates
#
def add_pxe(config, cspec_node, host_macaddr):
# Generate a per-client iPXE configuration for this host
destination_filename = (
f"{config['tftp_host_path']}/mac-{host_macaddr.replace(':', '')}.ipxe"
)
template_filename = f"{config['tftp_root_path']}/host-ipxe.j2"
with open(template_filename, "r") as tfh:
template = Template(tfh.read())
imgargs_host_list = cspec_node.get("config", {}).get("kernel_options")
if imgargs_host_list is not None:
imgargs_host = " ".join(imgargs_host_list)
else:
imgargs_host = None
rendered = template.render(imgargs_host=imgargs_host)
with open(destination_filename, "w") as dfh:
dfh.write(rendered)
dfh.write("\n")
def add_preseed(config, cspec_node, host_macaddr, system_drive_target):
# Generate a per-client Installer configuration for this host
destination_filename = (
f"{config['tftp_host_path']}/mac-{host_macaddr.replace(':', '')}.preseed"
)
template_filename = f"{config['tftp_root_path']}/host-preseed.j2"
with open(template_filename, "r") as tfh:
template = Template(tfh.read())
add_packages_list = cspec_node.get("config", {}).get("packages")
if add_packages_list is not None:
add_packages = ",".join(add_packages_list)
else:
add_packages = None
# We use the dhcp_address here to allow the listen_address to be 0.0.0.0
rendered = template.render(
debrelease=cspec_node.get("config", {}).get("release"),
debmirror=cspec_node.get("config", {}).get("mirror"),
addpkglist=add_packages,
filesystem=cspec_node.get("config", {}).get("filesystem"),
skip_blockcheck=False,
fqdn=cspec_node["node"]["fqdn"],
target_disk=system_drive_target,
pvcbootstrapd_checkin_uri=f"http://{config['dhcp_address']}:{config['api_port']}/checkin/host",
)
with open(destination_filename, "w") as dfh:
dfh.write(rendered)
dfh.write("\n")

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#!/usr/bin/env python3
# lib.py - PVC Cluster Auto-bootstrap libraries
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import pvcbootstrapd.lib.db as db
import pvcbootstrapd.lib.git as git
import pvcbootstrapd.lib.redfish as redfish
import pvcbootstrapd.lib.host as host
import pvcbootstrapd.lib.ansible as ansible
import pvcbootstrapd.lib.hooks as hooks
from time import sleep
from celery.utils.log import get_task_logger
logger = get_task_logger(__name__)
#
# Worker Functions - Checkins (Celery root tasks)
#
def dnsmasq_checkin(config, data):
"""
Handle checkins from DNSMasq
"""
logger.debug(f"data = {data}")
# This is an add event; what we do depends on some stuff
if data["action"] in ["add"]:
logger.info(
f"Receiving 'add' checkin from DNSMasq for MAC address '{data['macaddr']}'"
)
cspec = git.load_cspec_yaml(config)
is_in_bootstrap_map = True if data["macaddr"] in cspec["bootstrap"] else False
if is_in_bootstrap_map:
if (
cspec["bootstrap"][data["macaddr"]]["bmc"].get("redfish", None)
is not None
):
if cspec["bootstrap"][data["macaddr"]]["bmc"]["redfish"]:
is_redfish = True
else:
is_redfish = False
else:
is_redfish = redfish.check_redfish(config, data)
logger.info(f"Is device '{data['macaddr']}' Redfish capable? {is_redfish}")
if is_redfish:
redfish.redfish_init(config, cspec, data)
else:
logger.warn(f"Device '{data['macaddr']}' not in bootstrap map; ignoring.")
return
# This is a tftp event; a node installer has booted
if data["action"] in ["tftp"]:
logger.info(
f"Receiving 'tftp' checkin from DNSMasq for IP address '{data['destaddr']}'"
)
return
def host_checkin(config, data):
"""
Handle checkins from the PVC node
"""
logger.info(f"Registering checkin for host {data['hostname']}")
logger.debug(f"data = {data}")
cspec = git.load_cspec_yaml(config)
bmc_macaddr = data["bmc_macaddr"]
cspec_cluster = cspec["bootstrap"][bmc_macaddr]["node"]["cluster"]
if data["action"] in ["install-start"]:
# Node install has started
logger.info(f"Registering install start for host {data['hostname']}")
host.installer_init(config, cspec, data)
elif data["action"] in ["install-complete"]:
# Node install has finished
logger.info(f"Registering install complete for host {data['hostname']}")
host.installer_complete(config, cspec, data)
elif data["action"] in ["system-boot_initial"]:
# Node has booted for the first time and can begin Ansible runs once all nodes up
logger.info(f"Registering first boot for host {data['hostname']}")
target_state = "booted-initial"
host.set_boot_state(config, cspec, data, target_state)
sleep(1)
all_nodes = db.get_nodes_in_cluster(config, cspec_cluster)
ready_nodes = [node for node in all_nodes if node.state == target_state]
# Continue once all nodes are in the booted-initial state
logger.info(f"Ready: {len(ready_nodes)} All: {len(all_nodes)}")
if len(ready_nodes) >= len(all_nodes):
cluster = db.update_cluster_state(config, cspec_cluster, "ansible-running")
ansible.run_bootstrap(config, cspec, cluster, ready_nodes)
elif data["action"] in ["system-boot_configured"]:
# Node has been booted after Ansible run and can begin hook runs
logger.info(f"Registering post-Ansible boot for host {data['hostname']}")
target_state = "booted-configured"
host.set_boot_state(config, cspec, data, target_state)
sleep(1)
all_nodes = db.get_nodes_in_cluster(config, cspec_cluster)
ready_nodes = [node for node in all_nodes if node.state == target_state]
# Continue once all nodes are in the booted-configured state
logger.info(f"Ready: {len(ready_nodes)} All: {len(all_nodes)}")
if len(ready_nodes) >= len(all_nodes):
cluster = db.update_cluster_state(config, cspec_cluster, "hooks-running")
hooks.run_hooks(config, cspec, cluster, ready_nodes)
elif data["action"] in ["system-boot_completed"]:
# Node has been fully configured and can be shut down for the final time
logger.info(f"Registering post-hooks boot for host {data['hostname']}")
target_state = "booted-completed"
host.set_boot_state(config, cspec, data, target_state)
sleep(1)
all_nodes = db.get_nodes_in_cluster(config, cspec_cluster)
ready_nodes = [node for node in all_nodes if node.state == target_state]
logger.info(f"Ready: {len(ready_nodes)} All: {len(all_nodes)}")
if len(ready_nodes) >= len(all_nodes):
cluster = db.update_cluster_state(config, cspec_cluster, "completed")
# Hosts will now power down ready for real activation in production

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#!/usr/bin/env python3
# redfish.py - PVC Cluster Auto-bootstrap Redfish libraries
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
# Refs:
# https://downloads.dell.com/manuals/all-products/esuprt_software/esuprt_it_ops_datcentr_mgmt/dell-management-solution-resources_white-papers11_en-us.pdf
# https://downloads.dell.com/solutions/dell-management-solution-resources/RESTfulSerConfig-using-iDRAC-REST%20API%28DTC%20copy%29.pdf
import requests
import urllib3
import json
import re
import math
from time import sleep
from celery.utils.log import get_task_logger
import pvcbootstrapd.lib.installer as installer
import pvcbootstrapd.lib.db as db
logger = get_task_logger(__name__)
#
# Helper Classes
#
class AuthenticationException(Exception):
def __init__(self, error=None, response=None):
if error is not None:
self.short_message = error
else:
self.short_message = "Generic authentication failure"
if response is not None:
rinfo = response.json()["error"]["@Message.ExtendedInfo"][0]
if rinfo.get("Message") is not None:
self.full_message = rinfo["Message"]
self.res_message = rinfo["Resolution"]
self.severity = rinfo["Severity"]
self.message_id = rinfo["MessageId"]
else:
self.full_message = ""
self.res_message = ""
self.severity = "Fatal"
self.message_id = rinfo["MessageId"]
self.status_code = response.status_code
else:
self.status_code = None
def __str__(self):
if self.status_code is not None:
message = f"{self.short_message}: {self.full_message} {self.res_message} (HTTP Code: {self.status_code}, Severity: {self.severity}, ID: {self.message_id})"
else:
message = f"{self.short_message}"
return str(message)
class RedfishSession:
def __init__(self, host, username, password):
# Disable urllib3 warnings
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
# Perform login
login_payload = {"UserName": username, "Password": password}
login_uri = f"{host}/redfish/v1/Sessions"
login_headers = {"content-type": "application/json"}
self.host = None
login_response = None
tries = 1
max_tries = 25
while tries < max_tries:
logger.info(f"Trying to log in to Redfish ({tries}/{max_tries - 1})...")
try:
login_response = requests.post(
login_uri,
data=json.dumps(login_payload),
headers=login_headers,
verify=False,
timeout=5,
)
break
except Exception:
sleep(2)
tries += 1
if login_response is None:
logger.error("Failed to log in to Redfish")
return
if login_response.status_code not in [200, 201]:
raise AuthenticationException("Login failed", response=login_response)
logger.info(f"Logged in to Redfish at {host} successfully")
self.host = host
self.token = login_response.headers.get("X-Auth-Token")
self.headers = {"content-type": "application/json", "x-auth-token": self.token}
logout_uri = login_response.headers.get("Location")
if re.match(r"^/", logout_uri):
self.logout_uri = f"{host}{logout_uri}"
else:
self.logout_uri = logout_uri
def __del__(self):
if self.host is None:
return
logout_headers = {
"Content-Type": "application/json",
"X-Auth-Token": self.token,
}
logout_response = requests.delete(
self.logout_uri, headers=logout_headers, verify=False, timeout=15
)
if logout_response.status_code not in [200, 201]:
raise AuthenticationException("Logout failed", response=logout_response)
logger.info(f"Logged out of Redfish at {self.host} successfully")
def get(self, uri):
url = f"{self.host}{uri}"
response = requests.get(url, headers=self.headers, verify=False)
if response.status_code in [200, 201]:
return response.json()
else:
rinfo = response.json()["error"]["@Message.ExtendedInfo"][0]
if rinfo.get("Message") is not None:
message = f"{rinfo['Message']} {rinfo['Resolution']}"
severity = rinfo["Severity"]
message_id = rinfo["MessageId"]
else:
message = rinfo
severity = "Error"
message_id = "N/A"
logger.warn(f"! Error: GET request to {url} failed")
logger.warn(
f"! HTTP Code: {response.status_code} Severity: {severity} ID: {message_id}"
)
logger.warn(f"! Details: {message}")
return None
def delete(self, uri):
url = f"{self.host}{uri}"
response = requests.delete(url, headers=self.headers, verify=False)
if response.status_code in [200, 201]:
return response.json()
else:
rinfo = response.json()["error"]["@Message.ExtendedInfo"][0]
if rinfo.get("Message") is not None:
message = f"{rinfo['Message']} {rinfo['Resolution']}"
severity = rinfo["Severity"]
message_id = rinfo["MessageId"]
else:
message = rinfo
severity = "Error"
message_id = "N/A"
logger.warn(f"! Error: DELETE request to {url} failed")
logger.warn(
f"! HTTP Code: {response.status_code} Severity: {severity} ID: {message_id}"
)
logger.warn(f"! Details: {message}")
return None
def post(self, uri, data):
url = f"{self.host}{uri}"
payload = json.dumps(data)
response = requests.post(url, data=payload, headers=self.headers, verify=False)
if response.status_code in [200, 201]:
return response.json()
else:
rinfo = response.json()["error"]["@Message.ExtendedInfo"][0]
if rinfo.get("Message") is not None:
message = f"{rinfo['Message']} {rinfo['Resolution']}"
severity = rinfo["Severity"]
message_id = rinfo["MessageId"]
else:
message = rinfo
severity = "Error"
message_id = "N/A"
logger.warn(f"! Error: POST request to {url} failed")
logger.warn(
f"! HTTP Code: {response.status_code} Severity: {severity} ID: {message_id}"
)
logger.warn(f"! Details: {message}")
return None
def put(self, uri, data):
url = f"{self.host}{uri}"
payload = json.dumps(data)
response = requests.put(url, data=payload, headers=self.headers, verify=False)
if response.status_code in [200, 201]:
return response.json()
else:
rinfo = response.json()["error"]["@Message.ExtendedInfo"][0]
if rinfo.get("Message") is not None:
message = f"{rinfo['Message']} {rinfo['Resolution']}"
severity = rinfo["Severity"]
message_id = rinfo["MessageId"]
else:
message = rinfo
severity = "Error"
message_id = "N/A"
logger.warn(f"! Error: PUT request to {url} failed")
logger.warn(
f"! HTTP Code: {response.status_code} Severity: {severity} ID: {message_id}"
)
logger.warn(f"! Details: {message}")
return None
def patch(self, uri, data):
url = f"{self.host}{uri}"
payload = json.dumps(data)
response = requests.patch(url, data=payload, headers=self.headers, verify=False)
if response.status_code in [200, 201]:
return response.json()
else:
rinfo = response.json()["error"]["@Message.ExtendedInfo"][0]
if rinfo.get("Message") is not None:
message = f"{rinfo['Message']} {rinfo['Resolution']}"
severity = rinfo["Severity"]
message_id = rinfo["MessageId"]
else:
message = rinfo
severity = "Error"
message_id = "N/A"
logger.warn(f"! Error: PATCH request to {url} failed")
logger.warn(
f"! HTTP Code: {response.status_code} Severity: {severity} ID: {message_id}"
)
logger.warn(f"! Details: {message}")
return None
#
# Helper functions
#
def format_bytes_tohuman(databytes):
"""
Format a string of bytes into a human-readable value (using base-1000)
"""
# Matrix of human-to-byte values
byte_unit_matrix = {
"B": 1,
"KB": 1000,
"MB": 1000 * 1000,
"GB": 1000 * 1000 * 1000,
"TB": 1000 * 1000 * 1000 * 1000,
"PB": 1000 * 1000 * 1000 * 1000 * 1000,
"EB": 1000 * 1000 * 1000 * 1000 * 1000 * 1000,
}
datahuman = ""
for unit in sorted(byte_unit_matrix, key=byte_unit_matrix.get, reverse=True):
if unit in ["TB", "PB", "EB"]:
# Handle the situation where we might want to round to integer values
# for some entries (2TB) but not others (e.g. 1.92TB). We round if the
# result is within +/- 2% of the integer value, otherwise we use two
# decimal places.
new_bytes = databytes / byte_unit_matrix[unit]
new_bytes_plustwopct = new_bytes * 1.02
new_bytes_minustwopct = new_bytes * 0.98
cieled_bytes = int(math.ceil(databytes / byte_unit_matrix[unit]))
rounded_bytes = round(databytes / byte_unit_matrix[unit], 2)
if (
cieled_bytes > new_bytes_minustwopct
and cieled_bytes < new_bytes_plustwopct
):
new_bytes = cieled_bytes
else:
new_bytes = rounded_bytes
# Round up if 5 or more digits
if new_bytes > 999:
# We can jump down another level
continue
else:
# We're at the end, display with this size
datahuman = "{}{}".format(new_bytes, unit)
return datahuman
def get_system_drive_target(session, cspec_node, storage_root):
"""
Determine the system drive target for the installer
"""
# Handle an invalid >2 number of system disks, use only first 2
if len(cspec_node["config"]["system_disks"]) > 2:
cspec_drives = cspec_node["config"]["system_disks"][0:2]
else:
cspec_drives = cspec_node["config"]["system_disks"]
# If we have no storage root, we just return the first entry from
# the cpsec_drives as-is and hope the administrator has the right
# format here.
if storage_root is None:
return cspec_drives[0]
# We proceed with Redfish configuration to determine the disks
else:
storage_detail = session.get(storage_root)
# Grab a full list of drives
drive_list = list()
for storage_member in storage_detail["Members"]:
storage_member_root = storage_member["@odata.id"]
storage_member_detail = session.get(storage_member_root)
for drive in storage_member_detail["Drives"]:
drive_root = drive["@odata.id"]
drive_detail = session.get(drive_root)
drive_list.append(drive_detail)
system_drives = list()
# Iterate through each drive and include those that match
for cspec_drive in cspec_drives:
if re.match(r"^\/dev", cspec_drive) or re.match(r"^detect:", cspec_drive):
# We only match the first drive that has these conditions for use in the preseed config
logger.info(
"Found a drive with a 'detect:' string or Linux '/dev' path, using it for bootstrap."
)
return cspec_drive
# Match any chassis-ID spec drives
for drive in drive_list:
# Like "Disk.Bay.2:Enclosure.Internal.0-1:RAID.Integrated.1-1"
drive_name = drive["Id"].split(":")[0]
# Craft up the cspec version of this
cspec_drive_name = f"Drive.Bay.{cspec_drive}"
if drive_name == cspec_drive_name:
system_drives.append(drive)
# We found a single drive, so determine its actual detect string
if len(system_drives) == 1:
logger.info(
"Found a single drive matching the requested chassis ID, using it as the system disk."
)
# Get the model's first word
drive_model = system_drives[0].get("Model", "INVALID").split()[0]
# Get and convert the size in bytes value to human
drive_size_bytes = system_drives[0].get("CapacityBytes", 0)
drive_size_human = format_bytes_tohuman(drive_size_bytes)
# Get the drive ID out of all the valid entries
# How this works is that, for each non-array disk, we must find what position our exact disk is
# So for example, say we want disk 3 out of 4, and all 4 are the same size and model and not in
# another (RAID) volume. This will give us an index of 2. Then in the installer this will match
# the 3rd list entry from "lsscsi". This is probably an unneccessary hack, since people will
# probably just give the first disk if they want one, or 2 disks if they want a RAID-1, but this
# is here just in case
idx = 0
for drive in drive_list:
list_drive_model = drive.get("Model", "INVALID").split()[0]
list_drive_size_bytes = drive.get("CapacityBytes", 0)
list_drive_in_array = (
False
if drive.get("Links", {})
.get("Volumes", [""])[0]
.get("@odata.id")
.split("/")[-1]
== drive.get("Id")
else True
)
if (
drive_model == list_drive_model
and drive_size_bytes == list_drive_size_bytes
and not list_drive_in_array
):
index = idx
idx += 1
drive_id = index
# Create the target string
system_drive_target = f"detect:{drive_model}:{drive_size_human}:{drive_id}"
# We found two drives, so create a RAID-1 array then determine the volume's detect string
elif len(system_drives) == 2:
logger.info(
"Found two drives matching the requested chassis IDs, creating a RAID-1 and using it as the system disk."
)
drive_one = system_drives[0]
drive_one_id = drive_one.get("Id", "INVALID")
drive_one_path = drive_one.get("@odata.id", "INVALID")
drive_one_controller = drive_one_id.split(":")[-1]
drive_two = system_drives[1]
drive_two_id = drive_two.get("Id", "INVALID")
drive_two_path = drive_two.get("@odata.id", "INVALID")
drive_two_controller = drive_two_id.split(":")[-1]
# Determine that the drives are on the same controller
if drive_one_controller != drive_two_controller:
logger.error(
"Two drives are not on the same controller; this should not happen"
)
return None
# Get the controller details
controller_root = f"{storage_root}/{drive_one_controller}"
controller_detail = session.get(controller_root)
# Get the name of the controller (for crafting the detect string)
controller_name = controller_detail.get("Name", "INVALID").split()[0]
# Get the volume root for the controller
controller_volume_root = controller_detail.get("Volumes", {}).get(
"@odata.id"
)
# Get the pre-creation list of volumes on the controller
controller_volumes_pre = [
volume["@odata.id"]
for volume in session.get(controller_volume_root).get("Members", [])
]
# Create the RAID-1 volume
payload = {
"VolumeType": "Mirrored",
"Drives": [
{"@odata.id": drive_one_path},
{"@odata.id": drive_two_path},
],
}
session.post(controller_volume_root, payload)
# Wait for the volume to be created
new_volume_list = []
while len(new_volume_list) < 1:
sleep(5)
controller_volumes_post = [
volume["@odata.id"]
for volume in session.get(controller_volume_root).get("Members", [])
]
new_volume_list = list(
set(controller_volumes_post).difference(controller_volumes_pre)
)
new_volume_root = new_volume_list[0]
# Get the IDX of the volume out of any others
volume_id = 0
for idx, volume in enumerate(controller_volumes_post):
if volume == new_volume_root:
volume_id = idx
break
# Get and convert the size in bytes value to human
volume_detail = session.get(new_volume_root)
volume_size_bytes = volume_detail.get("CapacityBytes", 0)
volume_size_human = format_bytes_tohuman(volume_size_bytes)
# Create the target string
system_drive_target = (
f"detect:{controller_name}:{volume_size_human}:{volume_id}"
)
# We found too few or too many drives, error
else:
system_drive_target = None
return system_drive_target
#
# Redfish Task functions
#
def set_indicator_state(session, system_root, redfish_vendor, state):
"""
Set the system indicator LED to the desired state (on/off)
"""
state_values_write = {
"Dell": {
"on": "Blinking",
"off": "Off",
},
"default": {
"on": "Lit",
"off": "Off",
},
}
state_values_read = {
"default": {
"on": "Lit",
"off": "Off",
},
}
try:
# Allow vendor-specific overrides
if redfish_vendor not in state_values_write:
redfish_vendor = "default"
# Allow nice names ("on"/"off")
if state in state_values_write[redfish_vendor]:
state = state_values_write[redfish_vendor][state]
# Get current state
system_detail = session.get(system_root)
current_state = system_detail["IndicatorLED"]
except KeyError:
return False
try:
state_read = state
# Allow vendor-specific overrides
if redfish_vendor not in state_values_read:
redfish_vendor = "default"
# Allow nice names ("on"/"off")
if state_read in state_values_read[redfish_vendor]:
state_read = state_values_read[redfish_vendor][state]
if state_read == current_state:
return False
except KeyError:
return False
session.patch(system_root, {"IndicatorLED": state})
return True
def set_power_state(session, system_root, redfish_vendor, state):
"""
Set the system power state to the desired state
"""
state_values = {
"default": {
"on": "On",
"off": "ForceOff",
},
}
try:
# Allow vendor-specific overrides
if redfish_vendor not in state_values:
redfish_vendor = "default"
# Allow nice names ("on"/"off")
if state in state_values[redfish_vendor]:
state = state_values[redfish_vendor][state]
# Get current state, target URI, and allowable values
system_detail = session.get(system_root)
current_state = system_detail["PowerState"]
power_root = system_detail["Actions"]["#ComputerSystem.Reset"]["target"]
power_choices = system_detail["Actions"]["#ComputerSystem.Reset"][
"ResetType@Redfish.AllowableValues"
]
except KeyError:
return False
# Remap some namings so we can check the current state against the target state
if state in ["ForceOff"]:
target_state = "Off"
else:
target_state = state
if target_state == current_state:
return False
if state not in power_choices:
return False
session.post(power_root, {"ResetType": state})
return True
def set_boot_override(session, system_root, redfish_vendor, target):
"""
Set the system boot override to the desired target
"""
try:
system_detail = session.get(system_root)
boot_targets = system_detail["Boot"]["BootSourceOverrideSupported"]
except KeyError:
return False
if target not in boot_targets:
return False
session.patch(system_root, {"Boot": {"BootSourceOverrideTarget": target}})
return True
def check_redfish(config, data):
"""
Validate that a BMC is Redfish-capable
"""
headers = {"Content-Type": "application/json"}
logger.info("Checking for Redfish response...")
count = 0
while True:
try:
count += 1
if count > 30:
retcode = 500
logger.warn("Aborted after 300s; device too slow or not booting.")
break
resp = requests.get(
f"https://{data['ipaddr']}/redfish/v1",
headers=headers,
verify=False,
timeout=10,
)
retcode = resp.retcode
break
except Exception:
logger.info(f"Attempt {count}...")
continue
if retcode == 200:
return True
else:
return False
#
# Entry function
#
def redfish_init(config, cspec, data):
"""
Initialize a new node with Redfish
"""
bmc_ipaddr = data["ipaddr"]
bmc_macaddr = data["macaddr"]
bmc_host = f"https://{bmc_ipaddr}"
cspec_node = cspec["bootstrap"][bmc_macaddr]
logger.debug(f"cspec_node = {cspec_node}")
bmc_username = cspec_node["bmc"]["username"]
bmc_password = cspec_node["bmc"]["password"]
host_macaddr = ""
host_ipaddr = ""
cspec_cluster = cspec_node["node"]["cluster"]
cspec_hostname = cspec_node["node"]["hostname"]
cluster = db.get_cluster(config, name=cspec_cluster)
if cluster is None:
cluster = db.add_cluster(config, cspec, cspec_cluster, "provisioning")
logger.debug(cluster)
db.update_node_state(config, cspec_cluster, cspec_hostname, "characterzing")
db.update_node_addresses(
config,
cspec_cluster,
cspec_hostname,
bmc_macaddr,
bmc_ipaddr,
host_macaddr,
host_ipaddr,
)
node = db.get_node(config, cspec_cluster, name=cspec_hostname)
logger.debug(node)
# Create the session and log in
session = RedfishSession(bmc_host, bmc_username, bmc_password)
if session.host is None:
logger.info("Aborting Redfish configuration; reboot BMC to try again.")
del session
return
logger.info("Characterizing node...")
# Get Refish bases
redfish_base_root = "/redfish/v1"
redfish_base_detail = session.get(redfish_base_root)
redfish_vendor = list(redfish_base_detail["Oem"].keys())[0]
redfish_name = redfish_base_detail["Name"]
redfish_version = redfish_base_detail["RedfishVersion"]
systems_base_root = redfish_base_detail["Systems"]["@odata.id"].rstrip("/")
systems_base_detail = session.get(systems_base_root)
system_root = systems_base_detail["Members"][0]["@odata.id"].rstrip("/")
# Force off the system and turn on the indicator
set_power_state(session, system_root, redfish_vendor, "off")
set_indicator_state(session, system_root, redfish_vendor, "on")
# Get the system details
system_detail = session.get(system_root)
system_sku = system_detail["SKU"].strip()
system_serial = system_detail["SerialNumber"].strip()
system_power_state = system_detail["PowerState"].strip()
system_indicator_state = system_detail["IndicatorLED"].strip()
system_health_state = system_detail["Status"]["Health"].strip()
# Walk down the EthernetInterfaces construct to get the bootstrap interface MAC address
try:
ethernet_root = system_detail["EthernetInterfaces"]["@odata.id"].rstrip("/")
ethernet_detail = session.get(ethernet_root)
first_interface_root = ethernet_detail["Members"][0]["@odata.id"].rstrip("/")
first_interface_detail = session.get(first_interface_root)
# Something went wrong, so fall back
except KeyError:
first_interface_detail = dict()
# Try to get the MAC address directly from the interface detail (Redfish standard)
if first_interface_detail.get("MACAddress") is not None:
bootstrap_mac_address = first_interface_detail["MACAddress"].strip().lower()
# Try to get the MAC address from the HostCorrelation->HostMACAddress (HP DL360x G8)
elif len(system_detail.get("HostCorrelation", {}).get("HostMACAddress", [])) > 0:
bootstrap_mac_address = (
system_detail["HostCorrelation"]["HostMACAddress"][0].strip().lower()
)
# We can't find it, so use a dummy value
else:
logger.error("Could not find a valid MAC address for the bootstrap interface.")
return
# Display the system details
logger.info("Found details from node characterization:")
logger.info(f"> System Manufacturer: {redfish_vendor}")
logger.info(f"> System Redfish Version: {redfish_version}")
logger.info(f"> System Redfish Name: {redfish_name}")
logger.info(f"> System SKU: {system_sku}")
logger.info(f"> System Serial: {system_serial}")
logger.info(f"> Power State: {system_power_state}")
logger.info(f"> Indicator LED: {system_indicator_state}")
logger.info(f"> Health State: {system_health_state}")
logger.info(f"> Bootstrap NIC MAC: {bootstrap_mac_address}")
# Update node host MAC address
host_macaddr = bootstrap_mac_address
node = db.update_node_addresses(
config,
cspec_cluster,
cspec_hostname,
bmc_macaddr,
bmc_ipaddr,
host_macaddr,
host_ipaddr,
)
logger.debug(node)
logger.info("Determining system disk...")
storage_root = system_detail.get("Storage", {}).get("@odata.id")
system_drive_target = get_system_drive_target(session, cspec_node, storage_root)
if system_drive_target is None:
logger.error(
"No valid drives found; configure a single system drive as a 'detect:' string or Linux '/dev' path instead and try again."
)
return
logger.info(f"Found system disk {system_drive_target}")
# Create our preseed configuration
logger.info("Creating node boot configurations...")
installer.add_pxe(config, cspec_node, host_macaddr)
installer.add_preseed(config, cspec_node, host_macaddr, system_drive_target)
# Adjust any BIOS settings
logger.info("Adjusting BIOS settings...")
bios_root = system_detail.get("Bios", {}).get("@odata.id")
if bios_root is not None:
bios_detail = session.get(bios_root)
bios_attributes = list(bios_detail["Attributes"].keys())
for setting, value in cspec_node["bmc"].get("bios_settings", {}).items():
if setting not in bios_attributes:
continue
payload = {"Attributes": {setting: value}}
session.patch(f"{bios_root}/Settings", payload)
# Set boot override to Pxe for the installer boot
logger.info("Setting temporary PXE boot...")
set_boot_override(session, system_root, redfish_vendor, "Pxe")
# Turn on the system
logger.info("Powering on node...")
set_power_state(session, system_root, redfish_vendor, "on")
node = db.update_node_state(config, cspec_cluster, cspec_hostname, "pxe-booting")
logger.info("Waiting for completion of node and cluster installation...")
# Wait for the system to install and be configured
while node.state != "booted-completed":
sleep(60)
# Keep the Redfish session alive
session.get(redfish_base_root)
# Refresh our node state
node = db.get_node(config, cspec_cluster, name=cspec_hostname)
# Graceful shutdown of the machine
set_power_state(session, system_root, redfish_vendor, "GracefulShutdown")
system_power_state = "On"
while system_power_state != "Off":
sleep(5)
# Refresh our power state from the system details
system_detail = session.get(system_root)
system_power_state = system_detail["PowerState"].strip()
# Turn off the indicator to indicate bootstrap has completed
set_indicator_state(session, system_root, redfish_vendor, "off")
# We must delete the session
del session
return

45
bootstrap-daemon/pvcbootstrapd/lib/tftp.py Executable file
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#!/usr/bin/env python3
# tftp.py - PVC Cluster Auto-bootstrap TFTP preparation libraries
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2021 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import os.path
import shutil
def build_tftp_repository(config):
# Generate an installer config
build_cmd = f"{config['ansible_path']}/pvc-installer/buildpxe.sh -o {config['tftp_root_path']} -u {config['deploy_username']}"
print(f"Building TFTP contents via pvc-installer command: {build_cmd}")
os.system(build_cmd)
def init_tftp(config):
"""
Prepare a TFTP root
"""
if not os.path.exists(config["tftp_root_path"]):
print("First run: building TFTP root and contents - this will take some time!")
os.makedirs(config["tftp_root_path"])
os.makedirs(config["tftp_host_path"])
shutil.copyfile(
f"{config['ansible_keyfile']}.pub", f"{config['tftp_root_path']}/keys.txt"
)
build_tftp_repository(config)

11
bootstrap-daemon/requirements.txt Normal file
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ansible
ansible_runner
celery
flask
flask_restful
gevent
gitpython
paramiko
pyyaml
redis
requests

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docs/swagger.html Normal file
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<!DOCTYPE html>
<html>
<head>
<title>PVC Bootstrap API Documentation</title>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style> body { margin: 0; padding: 0; } </style>
</head>
<body>
<redoc spec-url='./swagger.json' hide-loading></redoc>
<script src="https://rebilly.github.io/ReDoc/releases/latest/redoc.min.js"> </script>
</body>
</html>

191
docs/swagger.json Normal file
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{
"definitions": {
"Message": {
"properties": {
"message": {
"description": "A text message describing the result",
"example": "The foo was successfully maxed",
"type": "string"
}
},
"type": "object"
}
},
"host": "localhost:9999",
"info": {
"title": "PVC Bootstrap API",
"version": "1.0"
},
"paths": {
"/": {
"get": {
"description": "",
"responses": {
"200": {
"description": "OK",
"schema": {
"$ref": "#/definitions/Message"
}
}
},
"summary": "Return basic details of the API",
"tags": [
"root"
]
}
},
"/checkin": {
"get": {
"description": "",
"responses": {
"200": {
"description": "OK",
"schema": {
"$ref": "#/definitions/Message"
}
}
},
"summary": "Return checkin details of the API",
"tags": [
"checkin"
]
}
},
"/checkin/dnsmasq": {
"post": {
"consumes": [
"application/json"
],
"description": "",
"parameters": [
{
"description": "An event checkin from an external bootstrap tool component.",
"in": "body",
"name": "dnsmasq_checkin_event",
"schema": {
"properties": {
"action": {
"description": "The action of the event.",
"example": "add",
"type": "string"
},
"client_id": {
"description": "(add, old) The client ID from a DHCP request.",
"example": "01:ff:ff:ff:ab:cd:ef",
"type": "string"
},
"hostname": {
"description": "(add, old) The client hostname from a DHCP request.",
"example": "pvc-installer-live",
"type": "string"
},
"ipaddr": {
"description": "(add, old) The IP address from a DHCP request.",
"example": "10.199.199.10",
"type": "string"
},
"macaddr": {
"description": "(add, old) The MAC address from a DHCP request.",
"example": "ff:ff:ff:ab:cd:ef",
"type": "string"
},
"user_class": {
"description": "(add, old) The DHCP user-class option from a DHCP request.",
"example": "None",
"type": "string"
},
"vendor_class": {
"description": "(add, old) The DHCP vendor-class option from a DHCP request.",
"example": "CPQRIB3 (HP Proliant DL360 G6 iLO)",
"type": "string"
}
},
"required": [
"action"
],
"type": "object"
}
}
],
"responses": {
"200": {
"description": "OK",
"schema": {
"$ref": "#/definitions/Message"
}
}
},
"summary": "Register a checkin from the DNSMasq subsystem",
"tags": [
"checkin"
]
}
},
"/checkin/host": {
"post": {
"consumes": [
"application/json"
],
"description": "",
"parameters": [
{
"description": "An event checkin from an external bootstrap tool component.",
"in": "body",
"name": "host_checkin_event",
"schema": {
"properties": {
"action": {
"description": "The action of the event.",
"example": "begin",
"type": "string"
},
"bmc_ipaddr": {
"description": "The IP addres of the system BMC interface.",
"example": "10.199.199.10",
"type": "string"
},
"bmc_macaddr": {
"description": "The MAC address of the system BMC interface.",
"example": "ff:ff:ff:01:23:45",
"type": "string"
},
"host_ipaddr": {
"description": "The IP address of the system provisioning interface.",
"example": "10.199.199.11",
"type": "string"
},
"host_macaddr": {
"description": "The MAC address of the system provisioning interface.",
"example": "ff:ff:ff:ab:cd:ef",
"type": "string"
},
"hostname": {
"description": "The system hostname.",
"example": "hv1.mydomain.tld",
"type": "string"
}
},
"required": [
"action"
],
"type": "object"
}
}
],
"responses": {
"200": {
"description": "OK",
"schema": {
"$ref": "#/definitions/Message"
}
}
},
"summary": "Register a checkin from the Host subsystem",
"tags": [
"checkin"
]
}
}
},
"swagger": "2.0"
}

22
format Executable file
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#!/usr/bin/env bash
if ! which black &>/dev/null; then
echo "Black is required to format this project"
exit 1
fi
if [[ $1 == "check" ]]; then
check="--check"
fi
pushd $( git rev-parse --show-toplevel ) &>/dev/null
echo ">>> Formatting..."
black --safe ${check} .
ret=$?
if [[ $ret -eq 0 ]]; then
echo "Successfully formatted project!"
fi
popd &>/dev/null
exit $ret

24
gen-api-doc Executable file
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#!/usr/bin/env python3
# gen-doc.py - Generate a Swagger JSON document for the API
# Part of the Parallel Virtual Cluster (PVC) system
from flask_swagger import swagger
import os
import sys
import json
os.environ['PVCD_CONFIG_FILE'] = "./bootstrap-daemon/pvcbootstrapd.yaml.sample"
sys.path.append('bootstrap-daemon')
import pvcbootstrapd.flaskapi as pvcbootstrapd
swagger_file = "docs/swagger.json"
swagger_data = swagger(pvcbootstrapd.app)
swagger_data['info']['version'] = "1.0"
swagger_data['info']['title'] = "PVC Bootstrap API"
swagger_data['host'] = "localhost:9999"
with open(swagger_file, 'w') as fd:
fd.write(json.dumps(swagger_data, sort_keys=True, indent=4))

263
install-pvcbootstrapd.sh Executable file
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#!/usr/bin/env bash
# PVC Bootstrap system installer
username="${USER}"
echo "Welcome to the PVC bootstrap installer. This will guide you through the setup process."
echo
echo "The PVC bootstrap system will be installed as user: ${username}"
echo
echo "Please enter the bootstrap root directory; all components will be installed here:"
echo -n "[/srv/pvc] > "
read root_directory
if [[ -z ${root_directory} ]]; then
root_directory="/srv/pvc"
fi
echo
echo "Please enter the IP network for the Bootstrap network (MUST be an RFC1918 /24):"
echo -n "[10.255.255.0/24] > "
read bootstrap_network
if [[ -z ${bootstrap_network} ]]; then
bootstrap_network="10.255.255.0/24"
fi
echo
echo "Will the bootstrap interface be a vLAN? Note: It should not be configured yet if so!"
echo -n "[y/N] > "
read is_bootstrap_interface_vlan
case ${is_bootstrap_interface_vlan} in
y|Y|yes|Yes|YES) is_bootstrap_interface_vlan="yes" ;;
*) is_bootstrap_interface_vlan="no" ;;
esac
echo
all_interfaces=( $(
ip address | grep '^[0-9]' | grep 'bond\|eth\|eno\|enp\|ens\|wlan\|wlp' | awk '{ print $2 }' | tr -d ':'
) )
if [[ "${is_bootstrap_interface_vlan}" == "yes" ]]; then
echo "Please enter the underlying device for the Bootstrap network vLAN:"
else
echo "Please enter the Bootstrap network interface:"
fi
echo "Available interfaces: ${all_interfaces[@]}"
bootstrap_interface=""
while true; do
echo -n "> "
read bootstrap_interface
if [[ -n ${bootstrap_interface} && "${all_interfaces[@]}" =~ "${bootstrap_interface}" ]]; then
break
fi
done
echo
if [[ "${is_bootstrap_interface_vlan}" == "yes" ]]; then
echo "Please enter the Bootstrap network vLAN ID:"
echo -n "> "
read bootstrap_vlan
echo
fi
echo "Please enter the upstream network interface for outbound NAT:"
echo "Available interfaces: ${all_interfaces[@]}"
upstream_interface=""
while true; do
echo -n "> "
read upstream_interface
if [[ -n ${upstream_interface} && "${all_interfaces[@]}" =~ "${upstream_interface}" ]]; then
break
fi
done
echo
echo "Please enter the Git remote (SSH-only) for your local PVC repository:"
while [[ -z ${git_remote} ]]; do
echo -n "> "
read git_remote
done
echo
echo "Please enter the branch to use from the local PVC repository:"
echo -n "[master] > "
read git_branch
if [[ -z ${git_branch} ]]; then
git_branch="master"
fi
echo
echo "Please enter a username for Ansible management of the clusters:"
echo -n "[deploy] > "
read deploy_username
if [[ -z ${deploy_username} ]]; then
deploy_username="deploy"
fi
echo
echo "Proceeding with setup!"
echo
echo "Installing APT dependencies..."
sudo apt-get update
sudo apt-get install --yes vlan iptables dnsmasq redis python3 python3-pip python3-requests sqlite3 celery pxelinux syslinux-common live-build debootstrap uuid-runtime qemu-user-static
echo "Configuring dnsmasq..."
sudo systemctl disable --now dnsmasq
# Required to permit non-root running of dnsmasq
sudo chmod +s /usr/sbin/dnsmasq
echo "Creating root directory..."
sudo mkdir -p ${root_directory}
sudo chown $USER ${root_directory}
echo "Installing pvcbootstrapd..."
cp -a bootstrap-daemon ${root_directory}/pvcbootstrapd
echo "Installing PIP dependencies..."
sudo pip3 install -r ${root_directory}/pvcbootstrapd/requirements.txt
echo "Determining IP addresses..."
bootstrap_address="$( awk -F'.' '{ print $1"."$2"."$3".1" }' <<<"${bootstrap_network}" )"
bootstrap_dhcpstart="$( awk -F'.' '{ print $1"."$2"."$3".100" }' <<<"${bootstrap_network}" )"
bootstrap_dhcpend="$( awk -F'.' '{ print $1"."$2"."$3".199" }' <<<"${bootstrap_network}" )"
echo "Creating configuration..."
cp ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml.template ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
sed -i "s|DEPLOY_USERNAME|${deploy_username}|" ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
sed -i "s|ROOT_DIRECTORY|${root_directory}|" ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
sed -i "s|BOOTSTRAP_ADDRESS|${bootstrap_address}|" ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
sed -i "s|BOOTSTRAP_DHCPSTART|${bootstrap_dhcpstart}|" ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
sed -i "s|BOOTSTRAP_DHCPEND|${bootstrap_dhcpend}|" ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
sed -i "s|GIT_REMOTE|${git_remote}|" ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
sed -i "s|GIT_BRANCH|${git_branch}|" ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
echo "Creating network configuration for interface ${bootstrap_interface} (is vLAN? ${is_bootstrap_interface_vlan})..."
if [[ "${is_bootstrap_interface_vlan}" == "yes" ]]; then
cat <<EOF | sudo tee /etc/network/interfaces.d/bootstrapnet &>/dev/null
auto vlan${bootstrap_vlan}
iface vlan${bootstrap_vlan} inet static
vlan_raw_device ${bootstrap_interface}
address ${bootstrap_address}
netmask 255.255.255.0
post-up echo 1 > /proc/sys/net/ipv4/ip_forward
post-up iptables -A FORWARD -i \$IFACE -j ACCEPT
post-up iptables -A FORWARD -o \$IFACE -m state --state ESTABLISHED,RELATED -j ACCEPT
post-up iptables -t nat -A POSTROUTING -o ${upstream_interface} -j MASQUERADE
EOF
else
cat <<EOF | sudo tee /etc/network/interfaces.d/bootstrapnet &>/dev/null
auto ${bootstrap_interface}
iface ${bootstrap_interface} inet static
address ${bootstrap_address}
netmask 255.255.255.0
post-up echo 1 > /proc/sys/net/ipv4/ip_forward
post-up iptables -A FORWARD -i \$IFACE -j ACCEPT
post-up iptables -A FORWARD -o \$IFACE -m state --state ESTABLISHED,RELATED -j ACCEPT
post-up iptables -t nat -A POSTROUTING -o ${upstream_interface} -j MASQUERADE
EOF
fi
echo "Installing service units..."
cat <<EOF | sudo tee /etc/systemd/system/pvcbootstrapd.service &>/dev/null
# Parallel Virtual Cluster Bootstrap API daemon unit file
[Unit]
Description = Parallel Virtual Cluster Bootstrap API daemon
After = network-online.target
[Service]
Type = simple
User = ${username}
WorkingDirectory = ${root_directory}/pvcbootstrapd
Environment = PYTHONUNBUFFERED=true
Environment = PVCD_CONFIG_FILE=${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
ExecStart = ${root_directory}/pvcbootstrapd/pvcbootstrapd.py
Restart = on-failure
[Install]
WantedBy = multi-user.target
EOF
sudo systemctl enable pvcbootstrapd.service
cat <<EOF | sudo tee /etc/systemd/system/pvcbootstrapd-worker.service &>/dev/null
# Parallel Virtual Cluster Provisioner API provisioner worker unit file
[Unit]
Description = Parallel Virtual Cluster Bootstrap API worker
After = network-online.target
[Service]
Type = simple
User = ${username}
WorkingDirectory = ${root_directory}/pvcbootstrapd
Environment = PYTHONUNBUFFERED=true
Environment = PVCD_CONFIG_FILE=${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
ExecStart = ${root_directory}/pvcbootstrapd/pvcbootstrapd-worker.sh
Restart = on-failure
[Install]
WantedBy = multi-user.target
EOF
sudo systemctl enable pvcbootstrapd-worker.service
sudo systemctl daemon-reload
if [[ ! -f ${root_directory}/id_ed25519 ]]; then
echo "Generating SSH keypair..."
ssh-keygen -t ed25519 -C "pvcbootstrapd@$(hostname)" -N "" -f ${root_directory}/id_ed25519
fi
echo
echo "Before proceeding, add the following SSH key as a writable deploy key to your local PVC repository."
echo "This will allow both repository cloning and push of committed changes to the remote repository."
echo "This key will also be used for ${deploy_username} user Ansible access when configuring clusters."
echo
echo -n " "
cat ${root_directory}/id_ed25519.pub
echo
echo -n "Press <Enter> once completed to continue. "
read
echo
echo "Edit configuration before proceeding?"
echo -n "[y/N] > "
read edit_flag
case ${edit_flag} in
y|Y|yes|Yes|YES)
vim ${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml
;;
*)
true
;;
esac
echo
echo "Start the pvcbootstrapd process manually for initialization (this will take quite some time)?"
echo -n "[Y/n] > "
read start_flag
case ${start_flag} in
n|N|no|No|NO)
true
;;
*)
echo
export PVCD_CONFIG_FILE="${root_directory}/pvcbootstrapd/pvcbootstrapd.yaml"
${root_directory}/pvcbootstrapd/pvcbootstrapd.py --init-only
;;
esac
echo
echo "Restart system to finalize installation?"
echo -n "[Y/n] > "
read reboot_flag
case ${reboot_flag} in
n|N|no|No|NO)
true
;;
*)
sudo reboot
;;
esac
# Done
exit 0

18
lint Executable file
View File

@ -0,0 +1,18 @@
#!/usr/bin/env bash
if ! which flake8 &>/dev/null; then
echo "Flake8 is required to lint this project"
exit 1
fi
pushd $( git rev-parse --show-toplevel ) &>/dev/null
echo ">>> Linting..."
flake8
ret=$?
if [[ $ret -eq 0 ]]; then
echo "No linting issues found!"
fi
popd &>/dev/null
exit $ret