Tamarin/package

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#!/usr/bin/env python3
import argparse, sys, shutil, os, hashlib
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sys.path.append(os.path.dirname(__file__) + '/lib')
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import tamarin, system, rkt
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def configure_args_parser():
profile_names = tamarin.get_available_profile_names()
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parser = argparse.ArgumentParser(description="Generate packages for various GNU/Linux distribution")
# Define available/required arguments and flags
parser.add_argument("project_path", help="The path to your project to package")
parser.add_argument("-p", "--profile", help="The profile to use to package this project (default: debian)", choices=profile_names, default='debian')
parser.add_argument("--rebuild", help="Ignore cache and rebuild container's image", action="store_true", default=False)
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return parser
if __name__ == "__main__":
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parser = configure_args_parser()
args = parser.parse_args()
# Load build profile
profile = tamarin.load_profile(args.profile)
workspace = tamarin.get_workspace_dir()
workspace_tmp = tamarin.get_workspace_subdir('tmp')
local_rkt_dir = tamarin.get_workspace_subdir('rkt')
if not system.which('rkt', local_rkt_dir):
# Download and extract rkt
rkt_archive_path = tamarin.download_rkt()
system.extract_tar(rkt_archive_path, workspace_tmp)
rkt_archive_dir = tamarin.get_rkt_achive_dest_dir()
shutil.rmtree(local_rkt_dir, ignore_errors=True)
os.rename(rkt_archive_dir, local_rkt_dir)
local_acbuild_dir = tamarin.get_workspace_subdir('acbuild')
if not system.which('acbuild', local_acbuild_dir):
# Download and extract acbuild
acbuild_archive_path = tamarin.download_acbuild()
system.extract_tar(acbuild_archive_path, workspace_tmp)
acbuild_archive_dir = tamarin.get_acbuild_achive_dest_dir()
shutil.rmtree(local_acbuild_dir, ignore_errors=True)
os.rename(acbuild_archive_dir, local_acbuild_dir)
pid = os.getpid()
build_workspace = tamarin.get_workspace_subdir('tmp/build_{:d}'.format(pid))
rkt_store = tamarin.get_workspace_subdir('store')
rkt_flags = ["--dir={:s}".format(rkt_store)]
base_image = profile['profile']['default_image']
# If the base image is Docker-based, preload it and get its name from the store
if base_image.startswith('docker://'):
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rkt.run([
"fetch",
"--insecure-options=image",
base_image
] + rkt_flags)
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aci_file = os.path.join(os.sep, build_workspace, 'image.aci')
acbuild_flags = ["--modify", aci_file, "--work-path", build_workspace]
# Use cached image base on base_image and containerbuild hooks
containerbuild_hooks = profile['containerbuild']['hooks']
hasher = hashlib.sha1()
hasher.update(base_image.encode())
hasher.update(containerbuild_hooks.encode())
image_hash = hasher.hexdigest()
cache_dir = tamarin.get_workspace_subdir('cache')
cached_image_file = os.path.join(os.sep, cache_dir, '{:s}.aci'.format(image_hash[:12]));
if not args.rebuild and os.path.exists(cached_image_file):
# Copy cached image
shutil.copyfile(cached_image_file, aci_file)
else:
# Find and export base image from rkt' store
name_pattern = base_image.split('/')[-1] + '$'
image = rkt.find_image_by_name(name_pattern, rkt_flags=rkt_flags)
rkt.export_image(image['id'], aci_file, rkt_flags=rkt_flags);
# Build image
tamarin.run_acbuild(acbuild_flags+["set-name", "image_{:d}".format(pid)])
tamarin.run_acbuild(acbuild_flags+["set-exec", "--", "/bin/sh", "-c", "echo Hello World"])
# Execute containerbuild hooks
cpb_hooks_env = os.environ.copy()
cpb_hooks_env["PATH"] = os.environ['PATH'] + ':' + local_acbuild_dir
cpb_hooks_env["TAMARIN_ACBUILD"] = " ".join([system.which('acbuild', local_acbuild_dir)]+acbuild_flags)
tamarin.run_profile_hooks(profile, 'containerbuild', cwd=build_workspace, env=cpb_hooks_env)
# Cache image
shutil.copyfile(aci_file, cached_image_file)
# Start container
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rkt.run([
"run",
"--insecure-options=image",
aci_file, "--net=host"
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] + rkt_flags, as_root=True)
# Cleanup
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rkt.run([
"gc",
"--grace-period=0"
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] + rkt_flags, as_root=True)
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rkt.run([
"image",
"gc"
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] + rkt_flags, as_root=True)
shutil.rmtree(build_workspace, ignore_errors=True)