368 lines
11 KiB
Python
368 lines
11 KiB
Python
import os
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from abc import ABCMeta, abstractmethod
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from jsonschema import validate
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from six import add_metaclass
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from active_migration import ActiveDataMigration, ERTMigrationFlags
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from endpoints.building import PreparedBuild
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from data import model
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from buildtrigger.triggerutil import get_trigger_config, InvalidServiceException
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NAMESPACES_SCHEMA = {
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'type': 'array',
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'items': {
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'type': 'object',
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'properties': {
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'personal': {
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'type': 'boolean',
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'description': 'True if the namespace is the user\'s personal namespace',
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},
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'score': {
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'type': 'number',
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'description': 'Score of the relevance of the namespace',
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},
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'avatar_url': {
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'type': ['string', 'null'],
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'description': 'URL of the avatar for this namespace',
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},
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'url': {
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'type': 'string',
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'description': 'URL of the website to view the namespace',
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},
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'id': {
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'type': 'string',
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'description': 'Trigger-internal ID of the namespace',
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},
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'title': {
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'type': 'string',
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'description': 'Human-readable title of the namespace',
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},
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},
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'required': ['personal', 'score', 'avatar_url', 'id', 'title'],
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},
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}
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BUILD_SOURCES_SCHEMA = {
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'type': 'array',
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'items': {
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'type': 'object',
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'properties': {
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'name': {
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'type': 'string',
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'description': 'The name of the repository, without its namespace',
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},
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'full_name': {
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'type': 'string',
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'description': 'The name of the repository, with its namespace',
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},
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'description': {
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'type': 'string',
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'description': 'The description of the repository. May be an empty string',
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},
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'last_updated': {
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'type': 'number',
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'description': 'The date/time when the repository was last updated, since epoch in UTC',
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},
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'url': {
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'type': 'string',
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'description': 'The URL at which to view the repository in the browser',
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},
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'has_admin_permissions': {
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'type': 'boolean',
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'description': 'True if the current user has admin permissions on the repository',
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},
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'private': {
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'type': 'boolean',
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'description': 'True if the repository is private',
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},
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},
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'required': ['name', 'full_name', 'description', 'last_updated',
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'has_admin_permissions', 'private'],
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},
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}
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METADATA_SCHEMA = {
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'type': 'object',
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'properties': {
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'commit': {
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'type': 'string',
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'description': 'first 7 characters of the SHA-1 identifier for a git commit',
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'pattern': '^([A-Fa-f0-9]{7,})$',
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},
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'git_url': {
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'type': 'string',
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'description': 'The GIT url to use for the checkout',
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},
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'ref': {
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'type': 'string',
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'description': 'git reference for a git commit',
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'pattern': r'^refs\/(heads|tags|remotes)\/(.+)$',
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},
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'default_branch': {
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'type': 'string',
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'description': 'default branch of the git repository',
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},
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'commit_info': {
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'type': 'object',
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'description': 'metadata about a git commit',
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'properties': {
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'url': {
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'type': 'string',
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'description': 'URL to view a git commit',
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},
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'message': {
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'type': 'string',
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'description': 'git commit message',
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},
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'date': {
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'type': 'string',
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'description': 'timestamp for a git commit'
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},
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'author': {
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'type': 'object',
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'description': 'metadata about the author of a git commit',
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'properties': {
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'username': {
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'type': 'string',
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'description': 'username of the author',
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},
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'url': {
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'type': 'string',
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'description': 'URL to view the profile of the author',
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},
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'avatar_url': {
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'type': 'string',
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'description': 'URL to view the avatar of the author',
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},
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},
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'required': ['username'],
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},
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'committer': {
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'type': 'object',
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'description': 'metadata about the committer of a git commit',
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'properties': {
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'username': {
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'type': 'string',
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'description': 'username of the committer',
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},
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'url': {
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'type': 'string',
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'description': 'URL to view the profile of the committer',
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},
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'avatar_url': {
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'type': 'string',
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'description': 'URL to view the avatar of the committer',
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},
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},
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'required': ['username'],
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},
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},
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'required': ['message'],
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},
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},
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'required': ['commit', 'git_url'],
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}
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@add_metaclass(ABCMeta)
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class BuildTriggerHandler(object):
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def __init__(self, trigger, override_config=None):
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self.trigger = trigger
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self.config = override_config or get_trigger_config(trigger)
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@property
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def auth_token(self):
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""" Returns the auth token for the trigger. """
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# NOTE: This check is for testing.
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if isinstance(self.trigger.auth_token, str):
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return self.trigger.auth_token
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# TODO(remove-unenc): Remove legacy field.
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if self.trigger.secure_auth_token is not None:
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return self.trigger.secure_auth_token.decrypt()
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if ActiveDataMigration.has_flag(ERTMigrationFlags.READ_OLD_FIELDS):
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return self.trigger.auth_token
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return None
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@abstractmethod
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def load_dockerfile_contents(self):
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"""
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Loads the Dockerfile found for the trigger's config and returns them or None if none could
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be found/loaded.
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"""
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pass
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@abstractmethod
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def list_build_source_namespaces(self):
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"""
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Take the auth information for the specific trigger type and load the
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list of namespaces that can contain build sources.
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"""
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pass
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@abstractmethod
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def list_build_sources_for_namespace(self, namespace):
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"""
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Take the auth information for the specific trigger type and load the
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list of repositories under the given namespace.
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"""
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pass
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@abstractmethod
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def list_build_subdirs(self):
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"""
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Take the auth information and the specified config so far and list all of
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the possible subdirs containing dockerfiles.
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"""
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pass
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@abstractmethod
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def handle_trigger_request(self, request):
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"""
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Transform the incoming request data into a set of actions. Returns a PreparedBuild.
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"""
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pass
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@abstractmethod
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def is_active(self):
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"""
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Returns True if the current build trigger is active. Inactive means further
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setup is needed.
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"""
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pass
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@abstractmethod
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def activate(self, standard_webhook_url):
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"""
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Activates the trigger for the service, with the given new configuration.
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Returns new public and private config that should be stored if successful.
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"""
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pass
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@abstractmethod
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def deactivate(self):
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"""
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Deactivates the trigger for the service, removing any hooks installed in
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the remote service. Returns the new config that should be stored if this
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trigger is going to be re-activated.
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"""
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pass
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@abstractmethod
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def manual_start(self, run_parameters=None):
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"""
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Manually creates a repository build for this trigger. Returns a PreparedBuild.
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"""
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pass
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@abstractmethod
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def list_field_values(self, field_name, limit=None):
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"""
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Lists all values for the given custom trigger field. For example, a trigger might have a
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field named "branches", and this method would return all branches.
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"""
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pass
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@abstractmethod
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def get_repository_url(self):
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""" Returns the URL of the current trigger's repository. Note that this operation
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can be called in a loop, so it should be as fast as possible. """
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pass
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@classmethod
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def filename_is_dockerfile(cls, file_name):
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""" Returns whether the file is named Dockerfile or follows the convention <name>.Dockerfile"""
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return file_name.endswith(".Dockerfile") or u"Dockerfile" == file_name
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@classmethod
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def service_name(cls):
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"""
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Particular service implemented by subclasses.
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"""
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raise NotImplementedError
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@classmethod
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def get_handler(cls, trigger, override_config=None):
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for subc in cls.__subclasses__():
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if subc.service_name() == trigger.service.name:
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return subc(trigger, override_config)
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raise InvalidServiceException('Unable to find service: %s' % trigger.service.name)
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def put_config_key(self, key, value):
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""" Updates a config key in the trigger, saving it to the DB. """
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self.config[key] = value
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model.build.update_build_trigger(self.trigger, self.config)
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def set_auth_token(self, auth_token):
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""" Sets the auth token for the trigger, saving it to the DB. """
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model.build.update_build_trigger(self.trigger, self.config, auth_token=auth_token)
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def get_dockerfile_path(self):
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""" Returns the normalized path to the Dockerfile found in the subdirectory
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in the config. """
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dockerfile_path = self.config.get('dockerfile_path') or 'Dockerfile'
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if dockerfile_path[0] == '/':
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dockerfile_path = dockerfile_path[1:]
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return dockerfile_path
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def prepare_build(self, metadata, is_manual=False):
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# Ensure that the metadata meets the scheme.
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validate(metadata, METADATA_SCHEMA)
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config = self.config
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ref = metadata.get('ref', None)
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commit_sha = metadata['commit']
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default_branch = metadata.get('default_branch', None)
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prepared = PreparedBuild(self.trigger)
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prepared.name_from_sha(commit_sha)
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prepared.subdirectory = config.get('dockerfile_path', None)
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prepared.context = config.get('context', None)
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prepared.is_manual = is_manual
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prepared.metadata = metadata
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if ref is not None:
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prepared.tags_from_ref(ref, default_branch)
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else:
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prepared.tags = [commit_sha[:7]]
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return prepared
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@classmethod
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def build_sources_response(cls, sources):
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validate(sources, BUILD_SOURCES_SCHEMA)
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return sources
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@classmethod
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def build_namespaces_response(cls, namespaces_dict):
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namespaces = list(namespaces_dict.values())
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validate(namespaces, NAMESPACES_SCHEMA)
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return namespaces
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@classmethod
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def get_parent_directory_mappings(cls, dockerfile_path, current_paths=None):
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""" Returns a map of dockerfile_paths to it's possible contexts. """
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if dockerfile_path == "":
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return {}
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if dockerfile_path[0] != os.path.sep:
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dockerfile_path = os.path.sep + dockerfile_path
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dockerfile_path = os.path.normpath(dockerfile_path)
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all_paths = set()
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path, _ = os.path.split(dockerfile_path)
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if path == "":
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path = os.path.sep
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all_paths.add(path)
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for i in range(1, len(path.split(os.path.sep))):
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path, _ = os.path.split(path)
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all_paths.add(path)
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if current_paths:
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return dict({dockerfile_path: list(all_paths)}, **current_paths)
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return {dockerfile_path: list(all_paths)}
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