blob: df29aece1449c60fe90f0478ccd1d346ccc972e7 [file] [log] [blame]
#!/usr/bin/env python
# Copyright 2016 Google Inc.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Utilities for managing assets."""
import argparse
import json
import os
import shlex
import shutil
import subprocess
import sys
INFRA_BOTS_DIR = os.path.abspath(os.path.realpath(os.path.join(
os.path.dirname(os.path.abspath(__file__)), os.pardir)))
sys.path.insert(0, INFRA_BOTS_DIR)
import utils
import zip_utils
ASSETS_DIR = os.path.join(INFRA_BOTS_DIR, 'assets')
SKIA_DIR = os.path.abspath(os.path.join(INFRA_BOTS_DIR, os.pardir, os.pardir))
CIPD_PACKAGE_NAME_TMPL = 'skia/bots/%s'
DEFAULT_GS_BUCKET = 'skia-buildbots'
GS_SUBDIR_TMPL = 'gs://%s/assets/%s'
GS_PATH_TMPL = '%s/'
TAG_PROJECT_SKIA = 'project:skia'
WHICH = 'where' if sys.platform.startswith('win') else 'which'
ZIP_BLACKLIST = ['.git', '.svn', '*.pyc', '.DS_STORE']
class CIPDStore(object):
"""Wrapper object for CIPD."""
def __init__(self, cipd_url=DEFAULT_CIPD_SERVICE_URL):
self._cipd = 'cipd'
if sys.platform == 'win32':
self._cipd = 'cipd.bat'
self._cipd_url = cipd_url
def _check_setup(self):
"""Verify that we have the CIPD binary and that we're authenticated."""
self._run(['auth-info'], specify_service_url=False)
except OSError:
raise Exception('CIPD binary not found on your path (typically in '
'depot_tools). You may need to update depot_tools.')
except subprocess.CalledProcessError:
raise Exception('CIPD not authenticated. You may need to run:\n\n'
'$ %s auth-login' % self._cipd)
def _run(self, cmd, specify_service_url=True):
"""Run the given command."""
cipd_args = []
if specify_service_url:
cipd_args.extend(['--service-url', self._cipd_url])
if os.getenv('USE_CIPD_GCE_AUTH'):
# Enable automatic GCE authentication. For context see
cipd_args.extend(['-service-account-json', ':gce'])
+ cmd
+ cipd_args
def _json_output(self, cmd):
"""Run the given command, return the JSON output."""
with utils.tmp_dir():
json_output = os.path.join(os.getcwd(), 'output.json')
self._run(cmd + ['--json-output', json_output])
with open(json_output) as f:
parsed = json.load(f)
return parsed.get('result', [])
def _search(self, pkg_name):
res = self._json_output(['search', pkg_name, '--tag', TAG_PROJECT_SKIA])
return [r['instance_id'] for r in res]
def _describe(self, pkg_name, instance_id):
"""Obtain details about the given package and instance ID."""
return self._json_output(['describe', pkg_name, '--version', instance_id])
def get_available_versions(self, name):
"""List available versions of the asset."""
pkg_name = CIPD_PACKAGE_NAME_TMPL % name
versions = []
for instance_id in self._search(pkg_name):
details = self._describe(pkg_name, instance_id)
for tag in details.get('tags'):
tag_name = tag.get('tag', '')
if tag_name.startswith(TAG_VERSION_PREFIX):
trimmed = tag_name[len(TAG_VERSION_PREFIX):]
except ValueError:
raise ValueError('Found package instance with invalid version '
'tag: %s' % tag_name)
return versions
def upload(self, name, version, target_dir):
"""Create a CIPD package."""
'--name', CIPD_PACKAGE_NAME_TMPL % name,
'--in', target_dir,
'--tag', TAG_VERSION_TMPL % version,
'--compression-level', '1',
def download(self, name, version, target_dir):
"""Download a CIPD package."""
pkg_name = CIPD_PACKAGE_NAME_TMPL % name
version_tag = TAG_VERSION_TMPL % version
target_dir = os.path.abspath(target_dir)
with utils.tmp_dir():
infile = os.path.join(os.getcwd(), 'input')
with open(infile, 'w') as f:
f.write('%s %s' % (pkg_name, version_tag))
'--root', target_dir,
'--list', infile,
def delete_contents(self, name):
"""Delete data for the given asset."""
self._run(['pkg-delete', CIPD_PACKAGE_NAME_TMPL % name])
class GSStore(object):
"""Wrapper object for interacting with Google Storage."""
def __init__(self, gsutil=None, bucket=DEFAULT_GS_BUCKET):
if gsutil:
gsutil = os.path.abspath(gsutil)
gsutil = subprocess.check_output([WHICH, 'gsutil']).rstrip()
self._gsutil = [gsutil]
if gsutil.endswith('.py'):
self._gsutil = ['python', gsutil]
self._gs_bucket = bucket
def copy(self, src, dst):
"""Copy src to dst."""
subprocess.check_call(self._gsutil + ['cp', src, dst])
def list(self, path):
"""List objects in the given path."""
return subprocess.check_output(self._gsutil + ['ls', path]).splitlines()
except subprocess.CalledProcessError:
# If the prefix does not exist, we'll get an error, which is okay.
return []
def get_available_versions(self, name):
"""Return the existing version numbers for the asset."""
files = self.list(GS_SUBDIR_TMPL % (self._gs_bucket, name))
bnames = [os.path.basename(f) for f in files]
suffix = '.zip'
versions = [int(f[:-len(suffix)]) for f in bnames if f.endswith(suffix)]
return versions
def upload(self, name, version, target_dir):
"""Upload to GS."""
target_dir = os.path.abspath(target_dir)
with utils.tmp_dir():
zip_file = os.path.join(os.getcwd(), '' % version), zip_file, blacklist=ZIP_BLACKLIST)
gs_path = GS_PATH_TMPL % (GS_SUBDIR_TMPL % (self._gs_bucket, name),
self.copy(zip_file, gs_path)
def download(self, name, version, target_dir):
"""Download from GS."""
gs_path = GS_PATH_TMPL % (GS_SUBDIR_TMPL % (self._gs_bucket, name),
target_dir = os.path.abspath(target_dir)
with utils.tmp_dir():
zip_file = os.path.join(os.getcwd(), '' % version)
self.copy(gs_path, zip_file)
zip_utils.unzip(zip_file, target_dir)
def delete_contents(self, name):
"""Delete data for the given asset."""
gs_path = GS_SUBDIR_TMPL % (self._gs_bucket, name)
attempt_delete = True
subprocess.check_call(self._gsutil + ['ls', gs_path])
except subprocess.CalledProcessError:
attempt_delete = False
if attempt_delete:
subprocess.check_call(self._gsutil + ['rm', '-rf', gs_path])
class MultiStore(object):
"""Wrapper object which uses CIPD as the primary store and GS for backup."""
def __init__(self, cipd_url=DEFAULT_CIPD_SERVICE_URL,
gsutil=None, gs_bucket=DEFAULT_GS_BUCKET):
self._cipd = CIPDStore(cipd_url=cipd_url)
self._gs = GSStore(gsutil=gsutil, bucket=gs_bucket)
def get_available_versions(self, name):
return self._cipd.get_available_versions(name)
def upload(self, name, version, target_dir):
self._cipd.upload(name, version, target_dir)
self._gs.upload(name, version, target_dir)
def download(self, name, version, target_dir):, version, target_dir)
def delete_contents(self, name):
def _prompt(prompt):
"""Prompt for input, return result."""
return raw_input(prompt)
class Asset(object):
def __init__(self, name, store):
self._store = store
self._name = name
self._dir = os.path.join(ASSETS_DIR, self._name)
def version_file(self):
"""Return the path to the version file for this asset."""
return os.path.join(self._dir, VERSION_FILENAME)
def get_current_version(self):
"""Obtain the current version of the asset."""
if not os.path.isfile(self.version_file):
return -1
with open(self.version_file) as f:
return int(
def get_available_versions(self):
"""Return the existing version numbers for this asset."""
return self._store.get_available_versions(self._name)
def get_next_version(self):
"""Find the next available version number for the asset."""
versions = self.get_available_versions()
if len(versions) == 0:
return 0
return versions[-1] + 1
def download_version(self, version, target_dir):
"""Download the specified version of the asset.""", version, target_dir)
def download_current_version(self, target_dir):
"""Download the version of the asset specified in its version file."""
v = self.get_current_version()
self.download_version(v, target_dir)
def upload_new_version(self, target_dir, commit=False):
"""Upload a new version and update the version file for the asset."""
version = self.get_next_version()
self._store.upload(self._name, version, target_dir)
def _write_version():
with open(self.version_file, 'w') as f:
subprocess.check_call([utils.GIT, 'add', self.version_file])
with utils.chdir(SKIA_DIR):
if commit:
with utils.git_branch():
utils.GIT, 'commit', '-m', 'Update %s version' % self._name])
subprocess.check_call([utils.GIT, 'cl', 'upload', '--bypass-hooks'])
def add(cls, name, store):
"""Add an asset."""
asset = cls(name, store)
if os.path.isdir(asset._dir):
raise Exception('Asset %s already exists!' % asset._name)
print 'Creating asset in %s' % asset._dir
def copy_script(script):
src = os.path.join(ASSETS_DIR, 'scripts', script)
dst = os.path.join(asset._dir, script)
print 'Creating %s' % dst
shutil.copy(src, dst)
subprocess.check_call([utils.GIT, 'add', dst])
for script in ('', '', ''):
resp = _prompt('Add script to automate creation of this asset? (y/n) ')
if resp == 'y':
print 'You will need to add implementation to the creation script.'
print 'Successfully created asset %s.' % asset._name
return asset
def remove(self, remove_in_store=False):
"""Remove this asset."""
# Ensure that the asset exists.
if not os.path.isdir(self._dir):
raise Exception('Asset %s does not exist!' % self._name)
# Cleanup the store.
if remove_in_store:
# Remove the asset.
subprocess.check_call([utils.GIT, 'rm', '-rf', self._dir])
if os.path.isdir(self._dir):