189 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			189 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # Copyright © 2022, 2023 Vulcanize
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| 
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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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| 
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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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| 
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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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| 
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| # Builds or pulls containers for the system components
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| 
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| # env vars:
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| # CERC_REPO_BASE_DIR defaults to ~/cerc
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| 
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| # TODO: display the available list of containers; allow re-build of either all or specific containers
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| 
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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 stack_orchestrator.util import include_exclude_check, get_parsed_stack_config, stack_is_external
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| from stack_orchestrator.base import get_npm_registry_url
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| 
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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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| 
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| 
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| def make_container_build_env(dev_root_path: str,
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|                              container_build_dir: str,
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|                              debug: bool,
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|                              force_rebuild: bool,
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|                              extra_build_args: str):
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|     container_build_env = {
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|         "CERC_NPM_REGISTRY_URL": get_npm_registry_url(),
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|         "CERC_GO_AUTH_TOKEN": config("CERC_GO_AUTH_TOKEN", default=""),
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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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| 
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|     return container_build_env
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| 
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| 
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| def process_container(stack: str,
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|                       container,
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|                       container_build_dir: str,
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|                       container_build_env: dict,
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|                       dev_root_path: str,
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|                       quiet: bool,
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|                       verbose: bool,
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|                       dry_run: bool,
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|                       continue_on_error: bool,
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|                       ):
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|     if not quiet:
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|         print(f"Building: {container}")
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| 
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|     default_container_tag = f"{container}:local"
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|     container_build_env.update({"CERC_DEFAULT_CONTAINER_IMAGE_TAG": default_container_tag})
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| 
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|     # Check if this is in an external stack
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|     if stack_is_external(stack):
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|         container_parent_dir = Path(stack).joinpath("container-build")
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|         temp_build_dir = container_parent_dir.joinpath(container.replace("/", "-"))
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|         temp_build_script_filename = temp_build_dir.joinpath("build.sh")
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|         # Now check if the container exists in the external stack.
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|         if not temp_build_script_filename.exists():
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|             # If not, revert to building an internal container
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|             container_parent_dir = container_build_dir
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|     else:
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|         container_parent_dir = container_build_dir
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| 
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|     build_dir = container_parent_dir.joinpath(container.replace("/", "-"))
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|     build_script_filename = build_dir.joinpath("build.sh")
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| 
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|     if verbose:
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|         print(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.as_posix()
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|     else:
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|         if verbose:
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|             print(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,
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|                                      "default-build.sh") + f" {default_container_tag} {repo_dir_or_build_dir}"
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|     if not dry_run:
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|         # No PATH at all causes failures with podman.
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|         if "PATH" not in container_build_env:
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|             container_build_env["PATH"] = os.environ["PATH"]
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|         if verbose:
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|             print(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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|             print(f"Return code is: {build_result.returncode}")
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|         if build_result.returncode != 0:
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|             print(f"Error running build for {container}")
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|             if not continue_on_error:
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|                 print("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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|                 print("****** Container Build Error, continuing because --continue-on-error is set")
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|     else:
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|         print("Skipped")
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| 
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| 
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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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| 
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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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| 
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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.parent.joinpath("data", "container-build")
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| 
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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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|         print(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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| 
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|     if not quiet:
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|         print(f'Dev Root is: {dev_root_path}')
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| 
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|     if not os.path.isdir(dev_root_path):
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|         print('Dev root directory doesn\'t exist, creating')
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| 
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|     # See: https://stackoverflow.com/a/20885799/1701505
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|     from stack_orchestrator 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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| 
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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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| 
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|     if verbose:
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|         print(f'Containers: {containers_in_scope}')
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|         if stack:
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|             print(f"Stack: {stack}")
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| 
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|     container_build_env = make_container_build_env(dev_root_path,
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|                                                    container_build_dir,
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|                                                    debug,
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|                                                    force_rebuild,
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|                                                    extra_build_args)
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| 
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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(stack, container, container_build_dir, container_build_env,
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|                               dev_root_path, quiet, verbose, dry_run, continue_on_error)
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|         else:
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|             if verbose:
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|                 print(f"Excluding: {container}")
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