136 lines
5.2 KiB
Python
136 lines
5.2 KiB
Python
# Copyright © 2022, 2023 Cerc
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http:#www.gnu.org/licenses/>.
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# Deploys the system components using docker-compose
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import hashlib
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import os
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import sys
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from python_on_whales import DockerClient
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import click
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import importlib.resources
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from pathlib import Path
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from .util import include_exclude_check, get_parsed_stack_config
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@click.command()
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@click.option("--include", help="only start these components")
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@click.option("--exclude", help="don\'t start these components")
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@click.option("--cluster", help="specify a non-default cluster name")
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@click.argument('command', required=True) # help: command: up|down|ps
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@click.argument('extra_args', nargs=-1) # help: command: up|down|ps <service1> <service2>
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@click.pass_context
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def command(ctx, include, exclude, cluster, command, extra_args):
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'''deploy a stack'''
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# TODO: implement option exclusion and command value constraint lost with the move from argparse to click
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quiet = ctx.obj.quiet
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verbose = ctx.obj.verbose
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dry_run = ctx.obj.dry_run
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stack = ctx.obj.stack
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# See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
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compose_dir = Path(__file__).absolute().parent.joinpath("data", "compose")
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if cluster is None:
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# Create default unique, stable cluster name from confile file path
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# TODO: change this to the config file path
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path = os.path.realpath(sys.argv[0])
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hash = hashlib.md5(path.encode()).hexdigest()
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cluster = f"laconic-{hash}"
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if verbose:
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print(f"Using cluster name: {cluster}")
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# See: https://stackoverflow.com/a/20885799/1701505
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from . import data
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with importlib.resources.open_text(data, "pod-list.txt") as pod_list_file:
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all_pods = pod_list_file.read().splitlines()
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pods_in_scope = []
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if stack:
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stack_config = get_parsed_stack_config(stack)
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# TODO: syntax check the input here
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pods_in_scope = stack_config['pods']
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else:
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pods_in_scope = all_pods
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if verbose:
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print(f"Pods: {pods_in_scope}")
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# Construct a docker compose command suitable for our purpose
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compose_files = []
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for pod in pods_in_scope:
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if include_exclude_check(pod, include, exclude):
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compose_file_name = os.path.join(compose_dir, f"docker-compose-{pod}.yml")
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compose_files.append(compose_file_name)
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else:
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if verbose:
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print(f"Excluding: {pod}")
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if verbose:
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print(f"files: {compose_files}")
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# See: https://gabrieldemarmiesse.github.io/python-on-whales/sub-commands/compose/
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docker = DockerClient(compose_files=compose_files, compose_project_name=cluster)
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extra_args_list = list(extra_args) or None
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if not dry_run:
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if command == "up":
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if verbose:
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print(f"Running compose up for extra_args: {extra_args_list}")
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docker.compose.up(detach=True, services=extra_args_list)
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elif command == "down":
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if verbose:
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print("Running compose down")
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docker.compose.down()
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elif command == "port":
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if extra_args_list is None or len(extra_args_list) < 2:
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print("Usage: port <service> <exposed-port>")
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sys.exit(1)
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service_name = extra_args_list[0]
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exposed_port = extra_args_list[1]
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if verbose:
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print("Running compose port")
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mapped_port_data = docker.compose.port(service_name, exposed_port)
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print(f"{mapped_port_data[0]}:{mapped_port_data[1]}")
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elif command == "ps":
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if verbose:
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print("Running compose ps")
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container_list = docker.compose.ps()
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if len(container_list) > 0:
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print("Running containers:")
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for container in container_list:
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print(f"id: {container.id}, name: {container.name}, ports: ", end="")
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ports = container.network_settings.ports
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comma = ""
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for port_mapping in ports.keys():
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mapping = ports[port_mapping]
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print(comma, end="")
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if mapping is None:
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print(f"{port_mapping}", end="")
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else:
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print(f"{mapping[0]['HostIp']}:{mapping[0]['HostPort']}->{port_mapping}", end="")
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comma = ", "
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print()
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else:
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print("No containers running")
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elif command == "logs":
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if verbose:
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print("Running compose logs")
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docker.compose.logs()
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