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Tamarin
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Base gestion mode debug

This commit is contained in:
wpetit 2017-03-10 21:51:57 +01:00
parent 9780cafffd
commit 448a16f659
5 changed files with 52 additions and 44 deletions
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2
.gitignore vendored
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@ -3,3 +3,5 @@ packages
*~
__pycache__
*.pyc
*.changes
*.deb

13
lib/rkt.py
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@ -1,21 +1,22 @@
import system, subprocess, os, tamarin, json, re
def run(args, as_root = False, capture_output=False):
def run(args, as_root = False, capture_output=False, debug=False):
"""Run rkt with the specified args (use the local copy if rkt is not found in the $PATH)"""
rkt_bin = system.which('rkt', tamarin.get_workspace_subdir('rkt'))
cmd = ( ["sudo", "-E", rkt_bin] if os.geteuid() != 0 and as_root == True else [rkt_bin] ) + args
print(" ".join(cmd))
if debug:
print(" ".join(cmd))
if capture_output:
return subprocess.check_output(cmd, stdin=subprocess.PIPE)
else:
return subprocess.call(cmd, stdin=subprocess.PIPE)
def get_images_list(rkt_flags = []):
def get_images_list(rkt_flags = [], debug=False):
output = run([
"image",
"list",
"--format=json"
] + rkt_flags, capture_output=True)
] + rkt_flags, capture_output=True, debug=debug)
# Fetch the list of installed images
return json.loads(output.decode('utf-8'))
@ -28,10 +29,10 @@ def find_image_by_name(name_pattern, rkt_flags = []):
return image
return None
def export_image(image_id, dest_file, rkt_flags = []):
def export_image(image_id, dest_file, rkt_flags = [], debug=False):
run([
"image",
"export",
image_id,
dest_file,
] + rkt_flags)
] + rkt_flags, debug=debug)

5
lib/system.py
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@ -1,7 +1,8 @@
import tarfile, os
def extract_tar(file_path, dest_dir = "."):
print('Extracting "{:s}" to "{:s}"'.format(file_path, dest_dir))
def extract_tar(file_path, dest_dir = ".", debug=False):
if debug:
print('Extracting "{:s}" to "{:s}"'.format(file_path, dest_dir))
with tarfile.open(file_path) as tar:
tar.extractall(dest_dir)
tar.close()

18
lib/tamarin.py
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@ -2,7 +2,7 @@ import os, glob, subprocess, configparser
import web, system
import codecs
def run_profile_hooks(profile, step, cwd=None, env=None):
def run_profile_hooks(profile, step, cwd=None, env=None, debug=False):
hooks_dir = get_hooks_dir()
step_hooks = profile[step]["hooks"]
if not step_hooks:
@ -22,7 +22,7 @@ def get_hooks_dir():
def get_lib_dir():
return os.path.realpath(os.path.dirname(os.path.abspath(__file__)) + "/../lib")
def load_profile(profile_name):
def load_profile(profile_name, debug=False):
profile_filename = profile_name+".conf"
for profile_file in get_available_profiles():
if profile_filename == os.path.basename(profile_file):
@ -63,25 +63,27 @@ def get_rkt_achive_dest_dir():
workspace_tmp = get_workspace_subdir('tmp')
return glob.glob(os.path.join(os.sep, workspace_tmp, 'rkt-v*'))[0]
def download_rkt():
def download_rkt(debug=False):
"""Download a local copy of rkt in the tamarin workspace and return the absolute path to the archive"""
url = "https://github.com/coreos/rkt/releases/download/v1.22.0/rkt-v1.22.0.tar.gz"
file_path=os.path.join(os.sep, get_workspace_subdir('tmp'), "rkt.tar.gz")
web.download_file(file_url=url, dest_path=file_path)
return file_path
def download_acbuild():
def download_acbuild(debug=False):
"""Download a local copy of acbuild in the tamarin workspace and return the absolute path to the archive"""
url = "https://github.com/containers/build/releases/download/v0.4.0/acbuild-v0.4.0.tar.gz"
file_path=os.path.join(os.sep, get_workspace_subdir('tmp'), "acbuild.tar.gz")
web.download_file(file_url=url, dest_path=file_path)
return file_path
def run_acbuild(args, captureOutput=False):
def run_acbuild(args, captureOutput=False, as_root=False, debug=False):
"""Run acbuild with the specified args (use the local copy if acbuild is not found in the $PATH)"""
acbuild_bin = system.which('acbuild', get_workspace_subdir('acbuild'))
print(" ".join([acbuild_bin] + args))
cmd = ( ["sudo", "-E", acbuild_bin] if os.geteuid() != 0 and as_root == True else [acbuild_bin] ) + args
if debug:
print(" ".join(cmd))
if captureOutput:
return subprocess.check_output([acbuild_bin] + args, stdin=subprocess.PIPE)
return subprocess.check_output(cmd, stdin=subprocess.PIPE)
else:
return subprocess.call([acbuild_bin] + args, stdin=subprocess.PIPE)
return subprocess.call(cmd, stdin=subprocess.PIPE)

58
package
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@ -23,23 +23,23 @@ def create_args_parser():
return parser
def download_and_extract_rkt(dest_dir, verbose=True):
def download_and_extract_rkt(dest_dir, debug=False):
'''Download and extract rkt to the given destination directory'''
rkt_archive_path = tamarin.download_rkt()
system.extract_tar(rkt_archive_path, workspace_tmp)
rkt_archive_path = tamarin.download_rkt(debug=debug)
system.extract_tar(rkt_archive_path, workspace_tmp, debug=debug)
rkt_archive_dir = tamarin.get_rkt_achive_dest_dir()
shutil.rmtree(local_rkt_dir, ignore_errors=True)
os.rename(rkt_archive_dir, dest_dir)
def download_and_extract_acbuild(dest_dir, verbose=True):
def download_and_extract_acbuild(dest_dir, debug=False):
'''Download and extract acbuild to the given destination directory'''
acbuild_archive_path = tamarin.download_acbuild()
system.extract_tar(acbuild_archive_path, workspace_tmp)
acbuild_archive_path = tamarin.download_acbuild(debug=debug)
system.extract_tar(acbuild_archive_path, workspace_tmp, debug=debug)
acbuild_archive_dir = tamarin.get_acbuild_achive_dest_dir()
shutil.rmtree(local_acbuild_dir, ignore_errors=True)
os.rename(acbuild_archive_dir, dest_dir)
def get_cached_image_path(profile):
def get_cached_image_path(profile, debug=False):
'''Compute and return the path for an hypothetic cached image for the given profile'''
containerbuild_hooks = profile['containerbuild']['hooks']
hasher = hashlib.sha1()
@ -49,23 +49,23 @@ def get_cached_image_path(profile):
cache_dir = tamarin.get_workspace_subdir('cache')
return os.path.join(os.sep, cache_dir, '{:s}.aci'.format(image_hash[:12]));
def build_image(build_workspace, aci_file, base_image, profile):
def build_image(build_workspace, aci_file, base_image, profile, debug=False):
acbuild_flags = ["--work-path", build_workspace]
# 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);
rkt.export_image(image['id'], aci_file, rkt_flags=rkt_flags, debug=debug);
# Build image
tamarin.run_acbuild(acbuild_flags+["begin", aci_file])
tamarin.run_acbuild(acbuild_flags+["set-name", "image_{:d}".format(pid)])
tamarin.run_acbuild(acbuild_flags+["mount", "add", "src", "/src", "--read-only"])
tamarin.run_acbuild(acbuild_flags+["mount", "add", "dist", "/dist"])
tamarin.run_acbuild(acbuild_flags+["mount", "add", "tamarin-hooks", "/tamarin/hooks", "--read-only"])
tamarin.run_acbuild(acbuild_flags+["mount", "add", "tamarin-lib", "/tamarin/lib", "--read-only"])
tamarin.run_acbuild(acbuild_flags+["mount", "add", "tamarin-profiles", "/tamarin/profiles", "--read-only"])
tamarin.run_acbuild(acbuild_flags+["begin", aci_file], debug=debug)
tamarin.run_acbuild(acbuild_flags+["set-name", "image_{:d}".format(pid)], debug=debug)
tamarin.run_acbuild(acbuild_flags+["mount", "add", "src", "/src", "--read-only"], debug=debug)
tamarin.run_acbuild(acbuild_flags+["mount", "add", "dist", "/dist"], debug=debug)
tamarin.run_acbuild(acbuild_flags+["mount", "add", "tamarin-hooks", "/tamarin/hooks", "--read-only"], debug=debug)
tamarin.run_acbuild(acbuild_flags+["mount", "add", "tamarin-lib", "/tamarin/lib", "--read-only"], debug=debug)
tamarin.run_acbuild(acbuild_flags+["mount", "add", "tamarin-profiles", "/tamarin/profiles", "--read-only"], debug=debug)
# Configure "containerbuild" hooks environment
hooks_env = os.environ.copy()
@ -74,26 +74,26 @@ def build_image(build_workspace, aci_file, base_image, profile):
hooks_env["TAMARIN_ACBUILD_ENGINE"] = "chroot" if not system.which('systemctl') else "systemd-nspawn"
# Run hooks
tamarin.run_profile_hooks(profile, 'containerbuild', cwd=build_workspace, env=hooks_env)
tamarin.run_profile_hooks(profile, 'containerbuild', cwd=build_workspace, env=hooks_env, debug=debug)
tamarin.run_acbuild(acbuild_flags+["write", "--overwrite", aci_file])
tamarin.run_acbuild(acbuild_flags+["end"])
tamarin.run_acbuild(acbuild_flags+["write", "--overwrite", aci_file], as_root=True, debug=debug)
tamarin.run_acbuild(acbuild_flags+["end"], as_root=True, debug=debug)
return aci_file
def cleanup(build_workspace, rkt_flags):
def cleanup(build_workspace, rkt_flags, debug=False):
# Nettoyage des conteneurs
rkt.run([
"gc",
"--grace-period=0"
] + rkt_flags, as_root=True)
] + rkt_flags, as_root=True, debug=debug)
# Nettoyage des images obsolètes du store
rkt.run([
"image",
"gc"
] + rkt_flags, as_root=True)
] + rkt_flags, as_root=True, debug=debug)
# Suppression de l'espace de travail de build
shutil.rmtree(build_workspace, ignore_errors=True)
@ -113,7 +113,7 @@ if __name__ == "__main__":
output_dir = os.path.abspath(args.output)
# Load build profile
profile = tamarin.load_profile(args.profile)
profile = tamarin.load_profile(args.profile, debug=args.debug)
workspace = tamarin.get_workspace_dir()
workspace_tmp = tamarin.get_workspace_subdir('tmp')
@ -140,16 +140,16 @@ if __name__ == "__main__":
"fetch",
"--insecure-options=image",
base_image
] + rkt_flags)
] + rkt_flags, debug=args.debug)
aci_file = os.path.join(os.sep, build_workspace, 'image.aci')
cached_image_file = get_cached_image_path(profile)
cached_image_file = get_cached_image_path(profile, debug=args.debug)
if not args.rebuild and os.path.exists(cached_image_file):
# Copy cached image
shutil.copyfile(cached_image_file, aci_file)
else:
build_image(build_workspace, aci_file, base_image, profile)
build_image(build_workspace, aci_file, base_image, profile, debug=args.debug)
# Cache image
shutil.copyfile(aci_file, cached_image_file)
@ -172,11 +172,13 @@ if __name__ == "__main__":
if args.debug:
rkt_args += ["--interactive", "--exec", "/bin/bash"]
helper_cmd = " ".join(["/usr/bin/python3", "/tamarin/lib/build.py", args.profile, args.architecture])
print("Executer '{:s}' pour lancer la construction du paquet.".format(helper_cmd))
else:
rkt_args += ["--exec", "/usr/bin/python3", "--", "/tamarin/lib/build.py", args.profile, args.architecture]
# Start container
rkt.run(rkt_flags+rkt_args, as_root=True)
rkt.run(rkt_flags+rkt_args, as_root=True, debug=args.debug)
# Cleanup
cleanup(build_workspace, rkt_flags)
cleanup(build_workspace, rkt_flags, debug=args.debug)