174 lines
		
	
	
		
			7.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			174 lines
		
	
	
		
			7.5 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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| import os
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| import sys
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| from shutil import rmtree, copytree
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| from decouple import config
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| import click
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| import importlib.resources
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| from python_on_whales import docker, DockerException
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| from stack_orchestrator.base import get_stack
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| from stack_orchestrator.util import include_exclude_check, get_parsed_stack_config
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| 
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| builder_js_image_name = "cerc/builder-js:local"
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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 packages")
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| @click.option('--exclude', help="don\'t build these packages")
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| @click.option("--force-rebuild", is_flag=True, default=False,
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|               help="Override existing target package version check -- force 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 npm packages 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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|     local_stack = ctx.obj.local_stack
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|     debug = ctx.obj.debug
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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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|     _ensure_prerequisites()
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| 
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|     # build-npms depends on having access to a writable package registry
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|     # so we check here that it is available
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|     package_registry_stack = get_stack(ctx.obj, "package-registry")
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|     registry_available = package_registry_stack.ensure_available()
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|     if not registry_available:
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|         print("FATAL: no npm registry available for build-npms command")
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|         sys.exit(1)
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|     npm_registry_url = package_registry_stack.get_url()
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|     npm_registry_url_token = config("CERC_NPM_AUTH_TOKEN", default=None)
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|     if not npm_registry_url_token:
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|         print("FATAL: CERC_NPM_AUTH_TOKEN is not defined")
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|         sys.exit(1)
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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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|     build_root_path = os.path.join(dev_root_path, "build-trees")
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| 
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|     if verbose:
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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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|         os.makedirs(dev_root_path)
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|     if not os.path.isdir(dev_root_path):
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|         print('Build root directory doesn\'t exist, creating')
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|         os.makedirs(build_root_path)
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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, "npm-package-list.txt") as package_list_file:
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|         all_packages = package_list_file.read().splitlines()
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| 
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|     packages_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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|         packages_in_scope = stack_config['npms']
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|     else:
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|         packages_in_scope = all_packages
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| 
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|     if verbose:
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|         print(f'Packages: {packages_in_scope}')
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| 
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|     def build_package(package):
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|         if not quiet:
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|             print(f"Building npm package: {package}")
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|         repo_dir = package
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|         repo_full_path = os.path.join(dev_root_path, repo_dir)
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|         # Copy the repo and build that to avoid propagating JS tooling file changes back into the cloned repo
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|         repo_copy_path = os.path.join(build_root_path, repo_dir)
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|         # First delete any old build tree
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|         if os.path.isdir(repo_copy_path):
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|             if verbose:
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|                 print(f"Deleting old build tree: {repo_copy_path}")
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|             if not dry_run:
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|                 rmtree(repo_copy_path)
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|         # Now copy the repo into the build tree location
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|         if verbose:
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|             print(f"Copying build tree from: {repo_full_path} to: {repo_copy_path}")
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|         if not dry_run:
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|             copytree(repo_full_path, repo_copy_path)
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|         build_command = ["sh", "-c", f"cd /workspace && build-npm-package-local-dependencies.sh {npm_registry_url}"]
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|         if not dry_run:
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|             if verbose:
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|                 print(f"Executing: {build_command}")
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|             # Originally we used the PEP 584 merge operator:
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|             # envs = {"CERC_NPM_AUTH_TOKEN": npm_registry_url_token} | ({"CERC_SCRIPT_DEBUG": "true"} if debug else {})
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|             # but that isn't available in Python 3.8 (default in Ubuntu 20) so for now we use dict.update:
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|             envs = {"CERC_NPM_AUTH_TOKEN": npm_registry_url_token,
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|                     "LACONIC_HOSTED_CONFIG_FILE": "config-hosted.yml"  # Convention used by our web app packages
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|                     }
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|             envs.update({"CERC_SCRIPT_DEBUG": "true"} if debug else {})
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|             envs.update({"CERC_FORCE_REBUILD": "true"} if force_rebuild else {})
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|             envs.update({"CERC_CONTAINER_EXTRA_BUILD_ARGS": extra_build_args} if extra_build_args else {})
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|             try:
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|                 docker.run(builder_js_image_name,
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|                            remove=True,
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|                            interactive=True,
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|                            tty=True,
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|                            user=f"{os.getuid()}:{os.getgid()}",
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|                            envs=envs,
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|                            # TODO: detect this host name in npm_registry_url rather than hard-wiring it
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|                            add_hosts=[("gitea.local", "host-gateway")],
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|                            volumes=[(repo_copy_path, "/workspace")],
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|                            command=build_command
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|                            )
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|                 # Note that although the docs say that build_result should contain
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|                 # the command output as a string, in reality it is always the empty string.
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|                 # Since we detect errors via catching exceptions below, we can safely ignore it here.
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|             except DockerException as e:
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|                 print(f"Error executing build for {package} in container:\n {e}")
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|                 if not continue_on_error:
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|                     print("FATAL Error: 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("****** Build Error, continuing because --continue-on-error is set")
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| 
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|         else:
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|             print("Skipped")
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| 
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|     for package in packages_in_scope:
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|         if include_exclude_check(package, include, exclude):
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|             build_package(package)
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|         else:
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|             if verbose:
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|                 print(f"Excluding: {package}")
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| 
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| 
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| def _ensure_prerequisites():
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|     # Check that the builder-js container is available and
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|     # Tell the user how to build it if not
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|     images = docker.image.list(builder_js_image_name)
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|     if len(images) == 0:
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|         print(f"FATAL: builder image: {builder_js_image_name} is required but was not found")
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|         print("Please run this command to create it: laconic-so --stack build-support build-containers")
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|         sys.exit(1)
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