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8ce5041596
Updates the repo launcher and gitc_utils to pull the manifest directory location out of the gitc config file. Change-Id: Id08381b8a7d61962093d5cddcb3ff6afbb13004b
101 lines
3.7 KiB
Python
101 lines
3.7 KiB
Python
#
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# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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import os
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import sys
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import time
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import git_command
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import git_config
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import wrapper
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GITC_FS_ROOT_DIR = '/gitc/manifest-rw/'
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NUM_BATCH_RETRIEVE_REVISIONID = 300
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def get_gitc_manifest_dir():
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return wrapper.Wrapper().get_gitc_manifest_dir()
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def parse_clientdir(gitc_fs_path):
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"""Parse a path in the GITC FS and return its client name.
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@param gitc_fs_path: A subdirectory path within the GITC_FS_ROOT_DIR.
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@returns: The GITC client name
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"""
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if (gitc_fs_path == GITC_FS_ROOT_DIR or
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not gitc_fs_path.startswith(GITC_FS_ROOT_DIR)):
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return None
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return gitc_fs_path.split(GITC_FS_ROOT_DIR)[1].split('/')[0]
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def _set_project_revisions(projects):
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"""Sets the revisionExpr for a list of projects.
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Because of the limit of open file descriptors allowed, length of projects
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should not be overly large. Recommend calling this function multiple times
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with each call not exceeding NUM_BATCH_RETRIEVE_REVISIONID projects.
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@param projects: List of project objects to set the revionExpr for.
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"""
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# Retrieve the commit id for each project based off of it's current
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# revisionExpr and it is not already a commit id.
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project_gitcmds = [(
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project, git_command.GitCommand(None,
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['ls-remote',
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project.remote.url,
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project.revisionExpr],
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capture_stdout=True, cwd='/tmp'))
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for project in projects if not git_config.IsId(project.revisionExpr)]
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for proj, gitcmd in project_gitcmds:
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if gitcmd.Wait():
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print('FATAL: Failed to retrieve revisionExpr for %s' % proj)
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sys.exit(1)
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proj.revisionExpr = gitcmd.stdout.split('\t')[0]
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def generate_gitc_manifest(client_dir, manifest, projects=None):
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"""Generate a manifest for shafsd to use for this GITC client.
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@param client_dir: GITC client directory to install the .manifest file in.
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@param manifest: XmlManifest object representing the repo manifest.
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@param projects: List of projects we want to update, this must be a sublist
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of manifest.projects to work properly. If not provided,
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manifest.projects is used.
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"""
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print('Generating GITC Manifest by fetching revision SHAs for each '
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'project.')
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if projects is None:
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projects = manifest.projects
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index = 0
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while index < len(projects):
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_set_project_revisions(
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projects[index:(index+NUM_BATCH_RETRIEVE_REVISIONID)])
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index += NUM_BATCH_RETRIEVE_REVISIONID
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# Save the manifest.
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save_manifest(manifest, client_dir=client_dir)
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def save_manifest(manifest, client_dir=None):
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"""Save the manifest file in the client_dir.
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@param client_dir: Client directory to save the manifest in.
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@param manifest: Manifest object to save.
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"""
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if not client_dir:
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client_dir = manifest.gitc_client_dir
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with open(os.path.join(client_dir, '.manifest'), 'w') as f:
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manifest.Save(f)
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# TODO(sbasi/jorg): Come up with a solution to remove the sleep below.
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# Give the GITC filesystem time to register the manifest changes.
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time.sleep(3) |