143 lines
6.1 KiB
Python
143 lines
6.1 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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# Builds or pulls containers for the system components
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# env vars:
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# CERC_REPO_BASE_DIR defaults to ~/cerc
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# TODO: display the available list of containers; allow re-build of either all or specific containers
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import os
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import sys
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from decouple import config
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import subprocess
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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 _log, include_exclude_check, get_parsed_stack_config
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from .base import get_npm_registry_url
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# TODO: find a place for this
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# epilog="Config provided either in .env or settings.ini or env vars: CERC_REPO_BASE_DIR (defaults to ~/cerc)"
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@click.command()
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@click.option('--include', help="only build these containers")
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@click.option('--exclude', help="don\'t build these containers")
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@click.option("--force-rebuild", is_flag=True, default=False, help="Override dependency checking -- always rebuild")
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@click.option("--extra-build-args", help="Supply extra arguments to build")
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@click.pass_context
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def command(ctx, include, exclude, force_rebuild, extra_build_args):
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'''build the set of containers required for a complete stack'''
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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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debug = ctx.obj.debug
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local_stack = ctx.obj.local_stack
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stack = ctx.obj.stack
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continue_on_error = ctx.obj.continue_on_error
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# See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
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container_build_dir = Path(__file__).absolute().parent.joinpath("data", "container-build")
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if local_stack:
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dev_root_path = os.getcwd()[0:os.getcwd().rindex("stack-orchestrator")]
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_log(f'Local stack dev_root_path (CERC_REPO_BASE_DIR) overridden to: {dev_root_path}')
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else:
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dev_root_path = os.path.expanduser(config("CERC_REPO_BASE_DIR", default="~/cerc"))
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if not quiet:
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_log(f'Dev Root is: {dev_root_path}')
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if not os.path.isdir(dev_root_path):
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_log('Dev root directory doesn\'t exist, creating')
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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, "container-image-list.txt") as container_list_file:
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all_containers = container_list_file.read().splitlines()
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containers_in_scope = []
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if stack:
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stack_config = get_parsed_stack_config(stack)
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containers_in_scope = stack_config['containers']
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else:
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containers_in_scope = all_containers
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if verbose:
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_log(f'Containers: {containers_in_scope}')
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if stack:
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_log(f"Stack: {stack}")
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# TODO: make this configurable
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container_build_env = {
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"CERC_NPM_REGISTRY_URL": get_npm_registry_url(),
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"CERC_NPM_AUTH_TOKEN": config("CERC_NPM_AUTH_TOKEN", default=""),
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"CERC_REPO_BASE_DIR": dev_root_path,
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"CERC_CONTAINER_BASE_DIR": container_build_dir,
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"CERC_HOST_UID": f"{os.getuid()}",
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"CERC_HOST_GID": f"{os.getgid()}",
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"DOCKER_BUILDKIT": config("DOCKER_BUILDKIT", default="0")
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}
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container_build_env.update({"CERC_SCRIPT_DEBUG": "true"} if debug else {})
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container_build_env.update({"CERC_FORCE_REBUILD": "true"} if force_rebuild else {})
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container_build_env.update({"CERC_CONTAINER_EXTRA_BUILD_ARGS": extra_build_args} if extra_build_args else {})
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docker_host_env = os.getenv("DOCKER_HOST")
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if docker_host_env:
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container_build_env.update({"DOCKER_HOST": docker_host_env})
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def process_container(container):
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if not quiet:
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_log(f"Building: {container}")
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build_dir = os.path.join(container_build_dir, container.replace("/", "-"))
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build_script_filename = os.path.join(build_dir, "build.sh")
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if verbose:
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_log(f"Build script filename: {build_script_filename}")
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if os.path.exists(build_script_filename):
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build_command = build_script_filename
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else:
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if verbose:
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_log(f"No script file found: {build_script_filename}, using default build script")
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repo_dir = container.split('/')[1]
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# TODO: make this less of a hack -- should be specified in some metadata somewhere
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# Check if we have a repo for this container. If not, set the context dir to the container-build subdir
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repo_full_path = os.path.join(dev_root_path, repo_dir)
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repo_dir_or_build_dir = repo_full_path if os.path.exists(repo_full_path) else build_dir
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build_command = os.path.join(container_build_dir, "default-build.sh") + f" {container}:local {repo_dir_or_build_dir}"
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if not dry_run:
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if verbose:
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_log(f"Executing: {build_command} with environment: {container_build_env}")
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build_result = subprocess.run(build_command, shell=True, env=container_build_env)
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if verbose:
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_log(f"Return code is: {build_result.returncode}")
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if build_result.returncode != 0:
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_log(f"Error running build for {container}")
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if not continue_on_error:
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_log("FATAL Error: container build failed and --continue-on-error not set, exiting")
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sys.exit(1)
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else:
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_log("****** Container Build Error, continuing because --continue-on-error is set")
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else:
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_log("Skipped")
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for container in containers_in_scope:
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if include_exclude_check(container, include, exclude):
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process_container(container)
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else:
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if verbose:
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_log(f"Excluding: {container}")
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