pvc-bootstrap/bootstrap-daemon/pvcbootstrapd/lib/tftp.py

58 lines
2.5 KiB
Python
Executable File

#!/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
from subprocess import run
from sys import stdout, stderr
import pvcbootstrapd.lib.notifications as notifications
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']}"
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}")
notifications.send_webhook(config, "begin", f"Building TFTP contents via pvc-installer command: {' '.join(build_cmd)}")
retcode = run(build_cmd, stdout=stdout, stderr=stderr)
return True if retcode == 0 else False
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!")
notifications.send_webhook(config, "begin", "First run: building TFTP root and contents")
os.makedirs(config["tftp_root_path"])
os.makedirs(config["tftp_host_path"])
shutil.copyfile(
f"{config['ansible_key_file']}.pub", f"{config['tftp_root_path']}/keys.txt"
)
result = build_tftp_repository(config)
if result:
notifications.send_webhook(config, "success", "First run: successfully initialized TFTP root and contents")
else:
notifications.send_webhook(config, "failure", "First run: failed initialized TFTP root and contents; check pvcbootstrapd logs")