1
0
stack-orchestrator/app/build_containers.py
David Boreham 5f73a93f5f Implement stack for container build
Former-commit-id: d5875954b8d718708cfff132cdd988897051bbb4
2023-01-18 15:27:52 -07:00

126 lines
5.1 KiB
Python

# Copyright © 2022 Cerc
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 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 Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http:#www.gnu.org/licenses/>.
# Builds or pulls containers for the system components
# env vars:
# CERC_REPO_BASE_DIR defaults to ~/cerc
# TODO: display the available list of containers; allow re-build of either all or specific containers
import os
from decouple import config
import subprocess
import click
import importlib.resources
from pathlib import Path
import yaml
from .util import include_exclude_check
# TODO: find a place for this
# epilog="Config provided either in .env or settings.ini or env vars: CERC_REPO_BASE_DIR (defaults to ~/cerc)"
@click.command()
@click.option('--include', help="only build these containers")
@click.option('--exclude', help="don\'t build these containers")
@click.pass_context
def command(ctx, include, exclude):
'''build the set of containers required for a complete stack'''
quiet = ctx.obj.quiet
verbose = ctx.obj.verbose
dry_run = ctx.obj.dry_run
local_stack = ctx.obj.local_stack
stack = ctx.obj.stack
# See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
container_build_dir = Path(__file__).absolute().parent.joinpath("data", "container-build")
if local_stack:
dev_root_path = os.getcwd()[0:os.getcwd().rindex("stack-orchestrator")]
print(f'Local stack dev_root_path (CERC_REPO_BASE_DIR) overridden to: {dev_root_path}')
else:
dev_root_path = os.path.expanduser(config("CERC_REPO_BASE_DIR", default="~/cerc"))
if not quiet:
print(f'Dev Root is: {dev_root_path}')
if not os.path.isdir(dev_root_path):
print('Dev root directory doesn\'t exist, creating')
# See: https://stackoverflow.com/a/20885799/1701505
from . import data
with importlib.resources.open_text(data, "container-image-list.txt") as container_list_file:
all_containers = container_list_file.read().splitlines()
containers_in_scope = []
if stack:
# In order to be compatible with Python 3.8 we need to use this hack to get the path:
# See: https://stackoverflow.com/questions/25389095/python-get-path-of-root-project-structure
stack_file_path = Path(__file__).absolute().parent.joinpath("data", "stacks", stack, "stack.yml")
with stack_file_path:
stack_config = yaml.safe_load(open(stack_file_path, "r"))
# TODO: syntax check the input here
containers_in_scope = stack_config['containers']
else:
containers_in_scope = all_containers
if verbose:
print(f'Containers: {containers_in_scope}')
if stack:
print(f"Stack: {stack}")
# TODO: make this configurable
container_build_env = {
"CERC_NPM_URL": "http://gitea.local:3000/api/packages/cerc-io/npm/",
"CERC_NPM_AUTH_TOKEN": config("CERC_NPM_AUTH_TOKEN", default="<token-not-supplied>"),
"CERC_REPO_BASE_DIR": dev_root_path
}
def process_container(container):
if not quiet:
print(f"Building: {container}")
build_dir = os.path.join(container_build_dir, container.replace("/", "-"))
build_script_filename = os.path.join(build_dir, "build.sh")
if verbose:
print(f"Build script filename: {build_script_filename}")
if os.path.exists(build_script_filename):
build_command = build_script_filename
else:
if verbose:
print(f"No script file found: {build_script_filename}, using default build script")
repo_dir = container.split('/')[1]
# TODO: make this less of a hack -- should be specified in some metadata somewhere
# Check if we have a repo for this container. If not, set the context dir to the container-build subdir
repo_full_path = os.path.join(dev_root_path, repo_dir)
repo_dir_or_build_dir = repo_dir if os.path.exists(repo_full_path) else build_dir
build_command = os.path.join(container_build_dir, "default-build.sh") + f" {container} {repo_dir_or_build_dir}"
if not dry_run:
if verbose:
print(f"Executing: {build_command}")
build_result = subprocess.run(build_command, shell=True, env=container_build_env)
# TODO: check result in build_result.returncode
print(f"Result is: {build_result}")
else:
print("Skipped")
for container in containers_in_scope:
if include_exclude_check(container, include, exclude):
process_container(container)
else:
if verbose:
print(f"Excluding: {container}")