pvc/health-daemon/pvchealthd/util/services.py

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#!/usr/bin/env python3
# services.py - Utility functions for pvcnoded external services
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018-2022 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 daemon_lib.common as common
from time import sleep
def start_zookeeper(logger, config):
if config["daemon_mode"] == "coordinator":
logger.out("Starting Zookeeper daemon", state="i")
# TODO: Move our handling out of Systemd and integrate it directly as a subprocess?
common.run_os_command("systemctl start zookeeper.service")
def start_libvirtd(logger, config):
if config["enable_hypervisor"]:
logger.out("Starting Libvirt daemon", state="i")
# TODO: Move our handling out of Systemd and integrate it directly as a subprocess?
common.run_os_command("systemctl start libvirtd.service")
def start_patroni(logger, config):
if config["enable_networking"] and config["daemon_mode"] == "coordinator":
logger.out("Starting Patroni daemon", state="i")
# TODO: Move our handling out of Systemd and integrate it directly as a subprocess?
common.run_os_command("systemctl start patroni.service")
def start_frrouting(logger, config):
if config["enable_networking"] and config["daemon_mode"] == "coordinator":
logger.out("Starting FRRouting daemon", state="i")
# TODO: Move our handling out of Systemd and integrate it directly as a subprocess?
common.run_os_command("systemctl start frr.service")
def start_ceph_mon(logger, config):
if config["enable_storage"] and config["daemon_mode"] == "coordinator":
logger.out("Starting Ceph Monitor daemon", state="i")
# TODO: Move our handling out of Systemd and integrate it directly as a subprocess?
common.run_os_command(
f'systemctl start ceph-mon@{config["node_hostname"]}.service'
)
def start_ceph_mgr(logger, config):
if config["enable_storage"] and config["daemon_mode"] == "coordinator":
logger.out("Starting Ceph Manager daemon", state="i")
# TODO: Move our handling out of Systemd and integrate it directly as a subprocess?
common.run_os_command(
f'systemctl start ceph-mgr@{config["node_hostname"]}.service'
)
def start_keydb(logger, config):
if (config["enable_api"] or config["enable_worker"]) and config[
"daemon_mode"
] == "coordinator":
logger.out("Starting KeyDB daemon", state="i")
# TODO: Move our handling out of Systemd and integrate it directly as a subprocess?
common.run_os_command("systemctl start keydb-server.service")
def start_worker(logger, config):
if config["enable_worker"]:
logger.out("Starting Celery Worker daemon", state="i")
# TODO: Move our handling out of Systemd and integrate it directly as a subprocess?
common.run_os_command("systemctl start pvcworkerd.service")
def start_system_services(logger, config):
start_zookeeper(logger, config)
start_libvirtd(logger, config)
start_patroni(logger, config)
start_frrouting(logger, config)
start_ceph_mon(logger, config)
start_ceph_mgr(logger, config)
start_keydb(logger, config)
start_worker(logger, config)
logger.out("Waiting 10 seconds for daemons to start", state="s")
sleep(10)