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|
#!/usr/bin/env python3
import argparse
import logging
import requests
import sys
from pathlib import Path
from urllib.parse import urlparse
log = logging.getLogger(__name__)
SHAMAN_SEARCH_URL = 'https://shaman.ceph.com/api/search'
PROJECT = 'ceph'
DISTRO = 'ubuntu'
RELEASE = 'focal'
ARCH='x86_64'
BRANCH = 'main'
SHA1 = 'latest'
FLAVOR = 'default'
FILENAME = 'cephadm'
def search(*args, **kwargs):
'''
Query shaman for a build result
'''
resp = requests.get(SHAMAN_SEARCH_URL, params=kwargs)
resp.raise_for_status()
return resp
def _get_distros(distro, release, arch=None):
ret = f'{distro}/{release}'
if arch:
ret = f'{ret}/{arch}'
return ret
def _get_binary_url(host, project, ref, sha1, distro, release, arch, flavor, filename):
return f'https://{host}/binaries/{project}/{ref}/{sha1}/{distro}/{release}/{arch}/flavors/{flavor}/{filename}'
def get_binary_url(
filename,
project=None,
distro=None,
release=None,
arch=None,
flavor=None,
branch=None,
sha1=None
):
'''
Return the chacra url for a build result
'''
# query shaman for the built binary
s = {}
if project:
s['project'] = project
if distro:
s['distros'] = _get_distros(distro, release, arch)
if flavor:
s['flavor'] = flavor
if branch:
s['ref'] = branch
if sha1:
s['sha1'] = sha1
resp = search(**s)
result = resp.json()
if len(result) == 0:
raise RuntimeError(f'no results found at {resp.url}')
# TODO: filter the result down to the correct arch etc.?
result = result[0]
status = result['status']
if status != 'ready':
raise RuntimeError(f'cannot pull file with status: {status}')
# build the chacra url
chacra_host = urlparse(result['url']).netloc
chacra_ref = result['ref']
chacra_sha1 = result['sha1']
log.info(f'got chacra host {chacra_host}, ref {chacra_ref}, sha1 {chacra_sha1} from {resp.url}')
# prefer codename if a release is not specified
if result.get('distro_codename'):
release = result.get('distro_codename')
elif result.get('distro_version'):
release = result.get('distro_version')
elif not release:
raise RuntimeError('cannot determine distro release!')
if not arch:
if ARCH in result['archs']:
arch = ARCH
elif len(result['archs']) > 0:
arch = result['archs'][0]
else:
raise RuntimeError('cannot determine the arch type!')
# build the url to the binary
url = _get_binary_url(
chacra_host,
result['project'],
chacra_ref,
chacra_sha1,
result['distro'],
release,
arch,
result['flavor'],
filename,
)
return url
def pull(
filename,
project=None,
distro=None,
release=None,
arch=None,
flavor=None,
branch=None,
sha1=None
):
'''
Pull a build result from chacra
'''
url = get_binary_url(
filename,
project=project,
distro=distro,
release=release,
arch=arch,
flavor=flavor,
branch=branch,
sha1=sha1
)
resp = requests.get(url, stream=True)
resp.raise_for_status()
log.info(f'got file from {resp.url}')
return resp
def main():
handler = logging.StreamHandler(sys.stdout)
log.addHandler(handler)
log.setLevel(logging.INFO)
parser = argparse.ArgumentParser()
parser.add_argument('--project', default=PROJECT)
parser.add_argument('--distro', default=DISTRO)
parser.add_argument('--release', default=RELEASE)
parser.add_argument('--arch', default=ARCH)
parser.add_argument('--branch', default=BRANCH)
parser.add_argument('--sha1', default=SHA1)
parser.add_argument('--flavor', default=FLAVOR)
parser.add_argument('--src', default=FILENAME)
parser.add_argument('--dest', default=FILENAME)
args = parser.parse_args()
resp = pull(
args.src,
project=args.project,
distro=args.distro,
release=args.release,
arch=args.arch,
flavor=args.flavor,
branch=args.branch,
sha1=args.sha1
)
dest = Path(args.dest).absolute()
with open(dest, 'wb') as f:
for chunk in resp.iter_content(chunk_size=None, decode_unicode=True):
log.info('.',)
f.write(chunk)
log.info(f'wrote binary file: {dest}')
return 0
if __name__ == '__main__':
sys.exit(main())
|
