ceph/container/make-manifest-list.py
Dan Mick 55f3589cb0 container/make-manifest-list.py: use LOCALMANIFEST throughout
Signed-off-by: Dan Mick <dan.mick@redhat.com>
(cherry picked from commit a3a9f188ca)
2024-12-05 00:10:12 -08:00

253 lines
7.8 KiB
Python
Executable File

#!/usr/bin/python3
#
# in default mode:
# make a combined "manifest-list" container out of two arch-specific containers
# searches for latest tags on HOST/{AMD,ARM}64_REPO, makes sure they refer
# to the same Ceph SHA1, and creates a manifest-list ("fat") image on
# MANIFEST_HOST/MANIFEST_REPO with the 'standard' set of tags:
# v<major>
# v<major>.<minor>
# v<major>.<minor>.<micro>
# v<major>.<minor>.<micro>-<YYYYMMDD>
#
# uses scratch local manifest LOCALMANIFEST, defined here; will be destroyed if present
#
# in promote mode (by adding the --promote argument):
# instead of building the manifest-list container, copy it
# (and all of its tags) from the prerelease repo to the release repo
#
# Assumes valid logins to the necessary hosts/repos with permission to write images
#
# Environment variables to set:
# ARCH_SPECIFIC_HOST (default 'quay.ceph.io'): host of prerelease repos
# AMD64_REPO (default 'ceph/prerelease-amd64') prerelease amd64 repo
# ARM64_REPO (default 'ceph/prerelease-arm64') prerelease arm64 repo
# MANIFEST_HOST (default 'quay.ceph.io') prerelease manifest-list host
# MANIFEST_REPO (default 'ceph/prerelease') prerelease manifest-list repo
# RELEASE_MANIFEST_HOST (default 'quay.io') release host
# RELEASE_MANIFEST_REPO (default 'ceph/ceph') release repo
import argparse
from datetime import datetime
import functools
import json
import os
import re
import subprocess
import sys
# Manifest image. Will be destroyed if already present.
LOCALMANIFEST = 'localhost/m'
def dump_vars(names, vardict):
for name in names:
print(f'{name}: {vardict[name]}', file=sys.stderr)
def run_command(args):
print(f'running {args}', file=sys.stderr)
if not isinstance(args, list):
args = args.split()
try:
result = subprocess.run(
args,
capture_output=True,
text=True,
check=True)
return True, result.stdout, result.stderr
except subprocess.CalledProcessError as e:
return False, e.output, e.stderr
def get_command_output(args):
success, stdout, stderr = run_command(args)
return (stdout if success else None)
def run_command_show_failure(args):
success, stdout, stderr = run_command(args)
if not success:
print(f'{args} failed:', file=sys.stderr)
print(f'stdout:\n{stdout}')
print(f'stderr:\n{stderr}')
return success
@functools.lru_cache
def get_tags(path):
cmdout = get_command_output(f'skopeo list-tags docker://{path}')
return json.loads(cmdout)['Tags']
def get_latest_tag(path):
try:
latest_tag = get_tags(path)[-1]
except IndexError:
return None
return latest_tag
@functools.lru_cache
def get_image_inspect(path):
info = json.loads(
get_command_output(f'skopeo inspect docker://{path}')
)
return info
def get_sha1(info):
labels = info.get('Labels', None)
if not labels:
return None
return labels.get('CEPH_SHA1', None)
@functools.lru_cache
def get_all_matching_digest_tags(path, tag):
matching_tags = list()
digest = get_image_inspect(f'{path}:{tag}')['Digest']
for t in get_tags(path):
this_digest = get_image_inspect(f'{path}:{t}')['Digest']
if this_digest == digest:
matching_tags.append(t)
return matching_tags
def parse_args():
ap = argparse.ArgumentParser()
ap.add_argument('-n', '--dry-run', action='store_true', help='do all local manipulations but do not push final containers to MANIFEST_HOST, or in --promote, calculate but do not copy images to release host')
ap.add_argument('-P', '--promote', action='store_true', help='promote newest prerelease manifest container to released (move from MANIFEST_HOST to RELEASE_MANIFEST_HOST')
args = ap.parse_args()
return args
def build_prerelease(sysargs):
global args
arch_specific_host = os.environ.get('ARCH_SPECIFIC_HOST', 'quay.ceph.io')
amd64_repo = os.environ.get('AMD64_REPO', 'ceph/prerelease-amd64')
arm64_repo = os.environ.get('ARM64_REPO', 'ceph/prerelease-arm64')
manifest_host = os.environ.get('MANIFEST_HOST', 'quay.ceph.io')
manifest_repo = os.environ.get('MANIFEST_REPO', 'ceph/prerelease')
dump_vars(
('arch_specific_host',
'amd64_repo',
'arm64_repo',
'manifest_host',
'manifest_repo',
),
locals())
repopaths = (
f'{arch_specific_host}/{amd64_repo}',
f'{arch_specific_host}/{arm64_repo}',
)
tags = [get_latest_tag(p) for p in repopaths]
print(f'latest tags: amd64:{tags[0]} arm64:{tags[1]}')
# check that version of latest tag matches
version_re = \
r'v(?P<major>\d+)\.(?P<minor>\d+)\.(?P<micro>\d+)-(?P<date>\d+)'
versions = list()
for tag in tags:
mo = re.match(version_re, tag)
ver = f'{mo.group("major")}.{mo.group("minor")}.{mo.group("micro")}'
versions.append(ver)
if versions[0] != versions[1]:
print(
f'version mismatch: amd64:{versions[0]} arm64:{versions[1]}',
file=sys.stderr,
)
return(1)
major, minor, micro = mo.group(1), mo.group(2), mo.group(3)
print(f'Ceph version: {major}.{minor}.{micro}', file=sys.stderr)
# check that ceph sha1 of two arch images matches
paths_with_tags = [f'{p}:{t}' for (p, t) in zip(repopaths, tags)]
info = [get_image_inspect(p) for p in paths_with_tags]
sha1s = [get_sha1(i) for i in info]
if sha1s[0] != sha1s[1]:
print(
f'sha1 mismatch: amd64: {sha1s[0]} arm64: {sha1s[1]}',
file=sys.stderr,
)
builddate = [i['Created'] for i in info]
print(
f'Build dates: amd64: {builddate[0]} arm64: {builddate[1]}',
file=sys.stderr,
)
return(1)
# create manifest list image with the standard list of tags
# ignore failure on manifest rm
run_command(f'podman manifest rm {LOCALMANIFEST}')
run_command_show_failure(f'podman manifest create {LOCALMANIFEST}')
for p in paths_with_tags:
run_command_show_failure(f'podman manifest add m {p}')
base = f'{manifest_host}/{manifest_repo}'
for t in (
f'v{major}',
f'v{major}.{minor}',
f'v{major}.{minor}.{micro}',
f'v{major}.{minor}.{micro}-{datetime.today().strftime("%Y%m%d")}',
):
if sysargs.dry_run:
print(f'skipping podman manifest push {LOCALMANIFEST} {base}:{t}')
else:
run_command_show_failure(
f'podman manifest push {LOCALMANIFEST} {base}:{t}')
def promote(sysargs):
manifest_host = os.environ.get('MANIFEST_HOST', 'quay.ceph.io')
manifest_repo = os.environ.get('MANIFEST_REPO', 'ceph/prerelease')
release_manifest_host = os.environ.get('RELEASE_MANIFEST_HOST', 'quay.io')
release_manifest_repo = os.environ.get('RELEASE_MANIFEST_REPO', 'ceph/ceph')
dump_vars(
('manifest_host',
'manifest_repo',
'release_manifest_host',
'release_manifest_repo',
),
locals())
manifest_path = f'{manifest_host}/{manifest_repo}'
release_path = f'{release_manifest_host}/{release_manifest_repo}'
latest_tag = get_latest_tag(manifest_path)
all_tags = get_all_matching_digest_tags(manifest_path, latest_tag)
copypaths = list()
for t in all_tags:
from_path = f'{manifest_path}:{t}'
to_path = f'{release_path}:{t}'
copypaths.append((from_path, to_path))
if sysargs.dry_run:
for f, t in copypaths:
print(f'dry-run: Would copy: {f} -> {t}')
return(0)
for f, t in copypaths:
print(f'Will copy: {f} -> {t}')
for f, t in copypaths:
run_command_show_failure(f'skopeo copy --multi-arch=all docker://{f} docker://{t}')
def main():
args = parse_args()
if args.promote:
promote(args)
else:
build_prerelease(args)
if (__name__ == '__main__'):
sys.exit(main())