citadel-core/services/manage.py
Aaron Dewes 9054194ab7
Citadel 0.1.0 (#85)
Co-authored-by: nolim1t - f6287b82CC84bcbd <nolim1t@users.noreply.github.com>
Co-authored-by: Aaron Dewes <aaron.dewes@protonmail.com>
Co-authored-by: Philipp Walter <philippwalter@pm.me>
Co-authored-by: Lele <emanuele.lele.calo@gmail.com>
2022-10-26 10:28:31 +02:00

133 lines
4.7 KiB
Python
Executable File

#!/usr/bin/env python3
# SPDX-FileCopyrightText: 2021-2022 Citadel and contributors
#
# SPDX-License-Identifier: GPL-3.0-or-later
import json
from typing import List
import yaml
import os
import argparse
# Print an error if user is not root
if os.getuid() != 0:
print('This script must be run as root!')
exit(1)
# The directory with this script
scriptDir = os.path.dirname(os.path.realpath(__file__))
nodeRoot = os.path.join(scriptDir, "..")
parser = argparse.ArgumentParser(description="Manage services on your Citadel")
parser.add_argument('action', help='What to do with the service.', choices=["set", "uninstall", "setup"])
parser.add_argument('--verbose', '-v', action='store_true')
parser.add_argument(
'service', help='The service to perform an action on.', nargs='?')
parser.add_argument(
'implementation', help='The service to perform an action on.', nargs='?')
args = parser.parse_args()
# Function to install a service
# To install it, read the service's YAML file (nodeRoot/services/name.yml) and add it to the main compose file (nodeRoot/docker-compose.yml)
def setService(name, implementation):
# Get all available services
services = next(os.walk(os.path.join(nodeRoot, "services")))[1]
if not name in services:
print("\"{}\" is not a valid service.".format(name))
exit(1)
# Get all available implementations
implementations = next(os.walk(os.path.join(nodeRoot, "services", name)), (None, None, []))[2]
implementations = [x.split('.')[0] for x in implementations]
if not implementation in implementations:
print("\"{}\" is not a valid implementation.".format(implementation))
exit(1)
# Read the YAML file
with open(os.path.join(nodeRoot, "services", name, implementation + ".yml"), 'r') as stream:
service = yaml.safe_load(stream)
# Read the main compose file
with open(os.path.join(nodeRoot, "docker-compose.yml"), 'r') as stream:
compose = yaml.safe_load(stream)
# Add the service to the main compose file
compose['services'].update(service)
# Write the main compose file
with open(os.path.join(nodeRoot, "docker-compose.yml"), 'w') as stream:
yaml.dump(compose, stream, sort_keys=False)
# Save the service name in nodeRoot/services/installed.json, which is a JSON file with a list of installed services
# If the file doesn't exist, put [] in it, then run the code below
try:
with open(os.path.join(nodeRoot, "services", "installed.yml"), 'r') as stream:
installed = yaml.safe_load(stream)
except FileNotFoundError:
installed = {
"lightning": "lnd",
"bitcoin": "knots"
}
installed[name] = implementation
with open(os.path.join(nodeRoot, "services", "installed.yml"), 'w') as stream:
yaml.dump(installed, stream, sort_keys=False)
def uninstallService(name):
# First check if a service yml definition exists to avoid uninstalling something that can't be installed or isn't supposed to be removed
if not os.path.isdir(os.path.join(nodeRoot, "services", name)):
print("Service definition not found, cannot uninstall")
exit(1)
# Read the main compose file
with open(os.path.join(nodeRoot, "docker-compose.yml"), 'r') as stream:
compose = yaml.safe_load(stream)
# Remove the service from the main compose file
try:
del compose['services'][name]
except KeyError:
pass
# Write the main compose file
with open(os.path.join(nodeRoot, "docker-compose.yml"), 'w') as stream:
yaml.dump(compose, stream, sort_keys=False)
# Save the service name in nodeRoot/services/installed.json, which is a JSON file with a list of installed services
try:
with open(os.path.join(nodeRoot, "services", "installed.yml"), 'r') as stream:
installed = yaml.safe_load(stream)
except FileNotFoundError:
installed = {
"lightning": "lnd",
"bitcoin": "knots"
}
try:
del installed[name]
except KeyError:
pass
with open(os.path.join(nodeRoot, "services", "installed.yml"), 'w') as stream:
yaml.dump(installed, stream, sort_keys=False)
# install all services from installed.json
def installServices():
try:
with open(os.path.join(nodeRoot, "services", "installed.yml"), 'r') as stream:
installed = yaml.safe_load(stream)
except FileNotFoundError:
installed = {
"lightning": "lnd",
"bitcoin": "knots"
}
for key, value in installed.items():
setService(key, value)
if args.action == "set":
setService(args.service, args.implementation)
elif args.action == "uninstall":
uninstallService(args.service)
elif args.action == "setup":
installServices()