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quay/buildtrigger/basehandler.py

329 lines
9.6 KiB
Python

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