# Copyright (c) 2017 Red Hat # Copyright 2021-2022 Acme Gating, LLC # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or # implied. # See the License for the specific language governing permissions and # limitations under the License. import cherrypy import socket from collections import defaultdict from contextlib import suppress from opentelemetry import trace from ws4py.server.cherrypyserver import WebSocketPlugin, WebSocketTool from ws4py.websocket import WebSocket import codecs import copy from datetime import datetime import json import logging import os import time import select import ssl import threading import uuid import prometheus_client import urllib.parse import zuul.executor.common from zuul import exceptions from zuul.configloader import ConfigLoader from zuul.connection import BaseConnection, ReadOnlyBranchCacheError import zuul.lib.repl from zuul.lib import commandsocket, encryption, streamer_utils, tracing from zuul.lib.ansible import AnsibleManager from zuul.lib.jsonutil import ZuulJSONEncoder from zuul.lib.keystorage import KeyStorage from zuul.lib.monitoring import MonitoringServer from zuul.lib.re2util import filter_allowed_disallowed from zuul import model from zuul.model import ( Abide, BuildSet, Branch, ChangeQueue, DequeueEvent, EnqueueEvent, HoldRequest, PromoteEvent, QueueItem, SystemAttributes, UnparsedAbideConfig, WebInfo, ) from zuul.version import get_version_string from zuul.zk import ZooKeeperClient from zuul.zk.components import COMPONENT_REGISTRY, WebComponent from zuul.zk.config_cache import SystemConfigCache from zuul.zk.event_queues import ( TenantManagementEventQueue, TenantTriggerEventQueue, PipelineManagementEventQueue, PipelineResultEventQueue, PipelineTriggerEventQueue, ) from zuul.zk.executor import ExecutorApi from zuul.zk.layout import LayoutStateStore from zuul.zk.locks import tenant_read_lock from zuul.zk.nodepool import ZooKeeperNodepool from zuul.zk.system import ZuulSystem from zuul.zk.zkobject import LocalZKContext, ZKContext from zuul.lib.auth import AuthenticatorRegistry from zuul.lib.config import get_default from zuul.lib.logutil import get_annotated_logger from zuul.lib.statsd import get_statsd, normalize_statsd_name from zuul.web.logutil import ZuulCherrypyLogManager STATIC_DIR = os.path.join(os.path.dirname(__file__), 'static') cherrypy.tools.websocket = WebSocketTool() COMMANDS = [ commandsocket.StopCommand, commandsocket.ReplCommand, commandsocket.NoReplCommand, ] def get_request_logger(logger=None): if logger is None: logger = logging.getLogger("zuul.web") request = cherrypy.serving.request if not hasattr(request, 'zuul_request_id'): request.zuul_request_id = uuid.uuid4().hex return get_annotated_logger(logger, None, request=request.zuul_request_id) class APIError(cherrypy.HTTPError): def __init__(self, code, json_doc=None): self._json_doc = json_doc super().__init__(code) def set_response(self): super().set_response() resp = cherrypy.response if self._json_doc: ret = json.dumps(self._json_doc).encode('utf8') resp.body = ret resp.headers['Content-Type'] = 'application/json' resp.headers["Content-Length"] = len(ret) else: resp.body = b'' resp.headers["Content-Length"] = '0' class SaveParamsTool(cherrypy.Tool): """ Save the URL parameters to allow them to take precedence over query string parameters. """ def __init__(self): cherrypy.Tool.__init__(self, 'on_start_resource', self.saveParams, priority=10) def _setup(self): cherrypy.Tool._setup(self) cherrypy.request.hooks.attach('before_handler', self.restoreParams) def saveParams(self, restore=True): cherrypy.request.url_params = cherrypy.request.params.copy() cherrypy.request.url_params_restore = restore def restoreParams(self): if cherrypy.request.url_params_restore: cherrypy.request.params.update(cherrypy.request.url_params) cherrypy.tools.save_params = SaveParamsTool() def handle_options(allowed_methods=None): if cherrypy.request.method == 'OPTIONS': methods = allowed_methods or ['GET', 'OPTIONS'] if allowed_methods and 'OPTIONS' not in allowed_methods: methods = methods + ['OPTIONS'] # discard decorated handler request = cherrypy.serving.request request.handler = None # Set CORS response headers resp = cherrypy.response resp.headers['Access-Control-Allow-Origin'] = '*' resp.headers['Access-Control-Allow-Headers'] =\ ', '.join(['Authorization', 'Content-Type']) resp.headers['Access-Control-Allow-Methods'] =\ ', '.join(methods) # Allow caching of the preflight response resp.headers['Access-Control-Max-Age'] = 86400 resp.status = 204 cherrypy.tools.handle_options = cherrypy.Tool('on_start_resource', handle_options, priority=50) class AuthInfo: def __init__(self, uid, admin): self.uid = uid self.admin = admin def _check_auth(require_admin=False, require_auth=False, tenant=None): if require_admin: require_auth = True request = cherrypy.serving.request zuulweb = request.app.root if tenant: if not require_auth and tenant.access_rules: # This tenant requires auth for read-only access require_auth = True else: if not require_auth and zuulweb.zuulweb.abide.api_root.access_rules: # The API root requires auth for read-only access require_auth = True # Always set the auth variable request.params['auth'] = None basic_error = zuulweb._basic_auth_header_check(required=require_auth) if basic_error is not None: return claims, token_error = zuulweb._auth_token_check(required=require_auth) if token_error is not None: return access, admin = zuulweb._isAuthorized(tenant, claims) if (require_auth and not access) or (require_admin and not admin): raise APIError(403) request.params['auth'] = AuthInfo(claims['__zuul_uid_claim'], admin) def check_root_auth(**kw): """Use this for root-level (non-tenant) methods""" cherrypy.response.headers['Access-Control-Allow-Origin'] = '*' request = cherrypy.serving.request if request.handler is None: # handle_options has already aborted the request. return return _check_auth(**kw) def check_tenant_auth(**kw): """Use this for tenant-scoped methods""" cherrypy.response.headers['Access-Control-Allow-Origin'] = '*' request = cherrypy.serving.request zuulweb = request.app.root if request.handler is None: # handle_options has already aborted the request. return tenant_name = request.params.get('tenant_name') # Always set the tenant variable tenant = zuulweb._getTenantOrRaise(tenant_name) request.params['tenant'] = tenant return _check_auth(**kw, tenant=tenant) cherrypy.tools.check_root_auth = cherrypy.Tool('on_start_resource', check_root_auth, priority=90) cherrypy.tools.check_tenant_auth = cherrypy.Tool('on_start_resource', check_tenant_auth, priority=90) class StatsTool(cherrypy.Tool): def __init__(self, statsd, metrics): self.statsd = statsd self.metrics = metrics self.hostname = normalize_statsd_name(socket.getfqdn()) cherrypy.Tool.__init__(self, 'on_start_resource', self.emitStats) def emitStats(self): idle = cherrypy.server.httpserver.requests.idle qsize = cherrypy.server.httpserver.requests.qsize self.metrics.threadpool_idle.set(idle) self.metrics.threadpool_queue.set(qsize) if self.statsd: self.statsd.gauge( f'zuul.web.server.{self.hostname}.threadpool.idle', idle) self.statsd.gauge( f'zuul.web.server.{self.hostname}.threadpool.queue', qsize) class WebMetrics: def __init__(self): self.threadpool_idle = prometheus_client.Gauge( 'web_threadpool_idle', 'The number of idle worker threads') self.threadpool_queue = prometheus_client.Gauge( 'web_threadpool_queue', 'The number of queued requests') self.streamers = prometheus_client.Gauge( 'web_streamers', 'The number of log streamers currently operating') # Custom JSONEncoder that combines the ZuulJSONEncoder with cherrypy's # JSON functionality. class ZuulWebJSONEncoder(ZuulJSONEncoder): def iterencode(self, value): # Adapted from cherrypy/_json.py for chunk in super().iterencode(value): yield chunk.encode("utf-8") json_encoder = ZuulWebJSONEncoder() def json_handler(*args, **kwargs): # Adapted from cherrypy/lib/jsontools.py value = cherrypy.serving.request._json_inner_handler(*args, **kwargs) return json_encoder.iterencode(value) class ChangeFilter(object): def __init__(self, desired): self.desired = desired def filterPayload(self, payload): status = [] for pipeline in payload['pipelines']: for change_queue in pipeline.get('change_queues', []): for head in change_queue['heads']: for change in head: if self.wantChange(change): status.append(copy.deepcopy(change)) return status def wantChange(self, change): return change['id'] == self.desired class LogStreamHandler(WebSocket): def __init__(self, *args, **kw): kw['heartbeat_freq'] = 20 self.log = get_request_logger() super(LogStreamHandler, self).__init__(*args, **kw) self.streamer = None def received_message(self, message): if message.is_text: req = json.loads(message.data.decode('utf-8')) self.log.debug("Websocket request: %s", req) if self.streamer: self.log.debug("Ignoring request due to existing streamer") return try: self._streamLog(req) except Exception: self.log.exception("Error processing websocket message:") raise def closed(self, code, reason=None): self.log.debug("Websocket closed: %s %s", code, reason) if self.streamer: try: self.streamer.zuulweb.stream_manager.unregisterStreamer( self.streamer) except Exception: self.log.exception("Error on remote websocket close:") def logClose(self, code, msg): self.log.debug("Websocket close: %s %s", code, msg) try: self.close(code, msg) except Exception: self.log.exception("Error closing websocket:") def _streamLog(self, request): """ Stream the log for the requested job back to the client. :param dict request: The client request parameters. """ for key in ('uuid', 'logfile'): if key not in request: return self.logClose( 4000, "'{key}' missing from request payload".format( key=key)) try: port_location = streamer_utils.getJobLogStreamAddress( self.zuulweb.executor_api, request['uuid'], source_zone=self.zuulweb.zone) except exceptions.StreamingError as e: return self.logClose(4011, str(e)) if not port_location: return self.logClose(4011, "Error with log streaming") self.streamer = LogStreamer( self.zuulweb, self, port_location['server'], port_location['port'], request['uuid'], port_location.get('use_ssl')) class LogStreamer(object): def __init__(self, zuulweb, websocket, server, port, build_uuid, use_ssl): """ Create a client to connect to the finger streamer and pull results. :param str server: The executor server running the job. :param str port: The executor server port. :param str build_uuid: The build UUID to stream. """ self.fileno = None self.log = websocket.log self.log.debug("Connecting to finger server %s:%s", server, port) Decoder = codecs.getincrementaldecoder('utf8') self.decoder = Decoder() self.zuulweb = zuulweb self.finger_socket = socket.create_connection( (server, port), timeout=10) if use_ssl: context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT) context.verify_mode = ssl.CERT_REQUIRED context.check_hostname = self.zuulweb.finger_tls_verify_hostnames context.load_cert_chain( self.zuulweb.finger_tls_cert, self.zuulweb.finger_tls_key) context.load_verify_locations(self.zuulweb.finger_tls_ca) self.finger_socket = context.wrap_socket( self.finger_socket, server_hostname=server) self.finger_socket.settimeout(None) self.websocket = websocket self.uuid = build_uuid msg = "%s\n" % build_uuid # Must have a trailing newline! self.finger_socket.sendall(msg.encode('utf-8')) self.fileno = self.finger_socket.fileno() self.zuulweb.stream_manager.registerStreamer(self) def __repr__(self): return '' % ( self.websocket, self.uuid, self.fileno) def errorClose(self): try: self.websocket.logClose(4011, "Unknown error") except Exception: self.log.exception("Error closing web:") def closeSocket(self): try: self.finger_socket.close() except Exception: self.log.exception("Error closing streamer socket:") def handle(self, event): if event & select.POLLIN: data = self.finger_socket.recv(1024) if data: data = self.decoder.decode(data) if data: self.websocket.send(data, False) else: # Make sure we flush anything left in the decoder data = self.decoder.decode(b'', final=True) if data: self.websocket.send(data, False) self.zuulweb.stream_manager.unregisterStreamer(self) return self.websocket.logClose(1000, "No more data") else: self.zuulweb.stream_manager.unregisterStreamer(self) return self.websocket.logClose(1000, "Remote error") class ZuulWebAPI(object): def __init__(self, zuulweb): self.zuulweb = zuulweb self.zk_client = zuulweb.zk_client self.system = ZuulSystem(self.zk_client) self.zk_nodepool = ZooKeeperNodepool(self.zk_client, enable_node_cache=True) self.status_caches = {} self.status_cache_times = {} self.status_cache_locks = defaultdict(threading.Lock) self.tenants_cache = [] self.tenants_cache_time = 0 self.tenants_cache_lock = threading.Lock() self.cache_expiry = 1 self.static_cache_expiry = zuulweb.static_cache_expiry @property def log(self): return get_request_logger() def _basic_auth_header_check(self, required=True): """make sure protected endpoints have a Authorization header with the bearer token.""" token = cherrypy.request.headers.get('Authorization', None) # Add basic checks here if token is None: e = 'Missing "Authorization" header' e_desc = e elif not token.lower().startswith('bearer '): e = 'Invalid Authorization header format' e_desc = '"Authorization" header must start with "Bearer"' else: return None error_header = '''Bearer realm="%s" error="%s" error_description="%s"''' % (self.zuulweb.authenticators.default_realm, e, e_desc) error_data = {'description': e_desc, 'error': e, 'realm': self.zuulweb.authenticators.default_realm} if required: cherrypy.response.headers["WWW-Authenticate"] = error_header raise APIError(401, error_data) return error_data def _auth_token_check(self, required=True): rawToken = \ cherrypy.request.headers['Authorization'][len('Bearer '):] try: claims = self.zuulweb.authenticators.authenticate(rawToken) except exceptions.AuthTokenException as e: if required: for header, contents in e.getAdditionalHeaders().items(): cherrypy.response.headers[header] = contents raise APIError(e.HTTPError) return ({}, {'description': e.error_description, 'error': e.error, 'realm': e.realm}) return (claims, None) @cherrypy.expose @cherrypy.tools.json_in() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options(allowed_methods=['POST', ]) @cherrypy.tools.check_tenant_auth(require_admin=True) def dequeue(self, tenant_name, tenant, auth, project_name): if cherrypy.request.method != 'POST': raise cherrypy.HTTPError(405) self.log.info(f'User {auth.uid} requesting dequeue on ' f'{tenant_name}/{project_name}') project = self._getProjectOrRaise(tenant, project_name) body = cherrypy.request.json if 'pipeline' in body and ( ('change' in body and 'ref' not in body) or ('change' not in body and 'ref' in body)): # Validate the pipeline so we can enqueue the event directly # in the pipeline management event queue and don't need to # take the detour via the tenant management event queue. pipeline_name = body['pipeline'] pipeline = tenant.layout.pipelines.get(pipeline_name) if pipeline is None: raise cherrypy.HTTPError(400, 'Unknown pipeline') event = DequeueEvent( tenant_name, pipeline_name, project.canonical_hostname, project.name, body.get('change', None), body.get('ref', None)) self.zuulweb.pipeline_management_events[tenant_name][ pipeline_name].put(event) else: raise cherrypy.HTTPError(400, 'Invalid request body') return True @cherrypy.expose @cherrypy.tools.json_in() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options(allowed_methods=['POST', ]) @cherrypy.tools.check_tenant_auth(require_admin=True) def enqueue(self, tenant_name, tenant, auth, project_name): if cherrypy.request.method != 'POST': raise cherrypy.HTTPError(405) self.log.info(f'User {auth.uid} requesting enqueue on ' f'{tenant_name}/{project_name}') project = self._getProjectOrRaise(tenant, project_name) body = cherrypy.request.json if 'pipeline' not in body: raise cherrypy.HTTPError(400, 'Invalid request body') # Validate the pipeline so we can enqueue the event directly # in the pipeline management event queue and don't need to # take the detour via the tenant management event queue. pipeline_name = body['pipeline'] pipeline = tenant.layout.pipelines.get(pipeline_name) if pipeline is None: raise cherrypy.HTTPError(400, 'Unknown pipeline') if 'change' in body: return self._enqueue(tenant, project, pipeline, body['change']) elif all(p in body for p in ['ref', 'oldrev', 'newrev']): return self._enqueue_ref(tenant, project, pipeline, body['ref'], body['oldrev'], body['newrev']) else: raise cherrypy.HTTPError(400, 'Invalid request body') def _enqueue(self, tenant, project, pipeline, change): event = EnqueueEvent(tenant.name, pipeline.name, project.canonical_hostname, project.name, change, ref=None, oldrev=None, newrev=None) self.zuulweb.pipeline_management_events[tenant.name][ pipeline.name].put(event) return True def _enqueue_ref(self, tenant, project, pipeline, ref, oldrev, newrev): event = EnqueueEvent(tenant.name, pipeline.name, project.canonical_hostname, project.name, change=None, ref=ref, oldrev=oldrev, newrev=newrev) self.zuulweb.pipeline_management_events[tenant.name][ pipeline.name].put(event) return True @cherrypy.expose @cherrypy.tools.json_in() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options(allowed_methods=['POST', ]) @cherrypy.tools.check_tenant_auth(require_admin=True) def promote(self, tenant_name, tenant, auth): if cherrypy.request.method != 'POST': raise cherrypy.HTTPError(405) body = cherrypy.request.json pipeline_name = body.get('pipeline') changes = body.get('changes') self.log.info(f'User {auth.uid} requesting promote on ' f'{tenant_name}/{pipeline_name}') # Validate the pipeline so we can enqueue the event directly # in the pipeline management event queue and don't need to # take the detour via the tenant management event queue. pipeline = tenant.layout.pipelines.get(pipeline_name) if pipeline is None: raise cherrypy.HTTPError(400, 'Unknown pipeline') event = PromoteEvent(tenant_name, pipeline_name, changes) self.zuulweb.pipeline_management_events[tenant_name][ pipeline_name].put(event) return True @cherrypy.expose @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def autohold_list(self, tenant_name, tenant, auth, *args, **kwargs): # filter by project if passed as a query string project_name = cherrypy.request.params.get('project', None) return self._autohold_list(tenant_name, project_name) @cherrypy.expose @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options(allowed_methods=['GET', 'POST']) @cherrypy.tools.check_tenant_auth() def autohold_project_get(self, tenant_name, tenant, auth, project_name): # Note: GET handling is redundant with autohold_list # and could be removed. return self._autohold_list(tenant_name, project_name) @cherrypy.expose @cherrypy.tools.json_in() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') # Options handled by _get method @cherrypy.tools.check_tenant_auth(require_admin=True) def autohold_project_post(self, tenant_name, tenant, auth, project_name): project = self._getProjectOrRaise(tenant, project_name) self.log.info(f'User {auth.uid} requesting autohold on ' f'{tenant_name}/{project_name}') jbody = cherrypy.request.json # Validate the payload jbody['change'] = jbody.get('change', None) jbody['ref'] = jbody.get('ref', None) count = jbody.get('count') if jbody['change'] and jbody['ref']: raise cherrypy.HTTPError( 400, 'change and ref are mutually exclusive') if not all(p in jbody for p in [ 'job', 'count', 'change', 'ref', 'reason', 'node_hold_expiration']): raise cherrypy.HTTPError(400, 'Invalid request body') if count < 0: raise cherrypy.HTTPError(400, "Count must be greater 0") project_name = project.canonical_name if jbody['change']: ref_filter = project.source.getRefForChange(jbody['change']) if jbody['ref']: ref_filter = str(jbody['ref']) else: ref_filter = ".*" self._autohold(tenant_name, project_name, jbody['job'], ref_filter, jbody['reason'], jbody['count'], jbody['node_hold_expiration']) return True def _autohold(self, tenant_name, project_name, job_name, ref_filter, reason, count, node_hold_expiration): key = (tenant_name, project_name, job_name, ref_filter) self.log.debug("Autohold requested for %s", key) request = HoldRequest() request.tenant = tenant_name request.project = project_name request.job = job_name request.ref_filter = ref_filter request.reason = reason request.max_count = count zuul_globals = self.zuulweb.globals # Set node_hold_expiration to default if no value is supplied if node_hold_expiration is None: node_hold_expiration = zuul_globals.default_hold_expiration # Reset node_hold_expiration to max if it exceeds the max elif zuul_globals.max_hold_expiration and ( node_hold_expiration == 0 or node_hold_expiration > zuul_globals.max_hold_expiration): node_hold_expiration = zuul_globals.max_hold_expiration request.node_expiration = node_hold_expiration # No need to lock it since we are creating a new one. self.zk_nodepool.storeHoldRequest(request) def _autohold_list(self, tenant_name, project_name=None): result = [] for request_id in self.zk_nodepool.getHoldRequests(): request = self.zk_nodepool.getHoldRequest(request_id) if not request: continue if tenant_name != request.tenant: continue if project_name is None or request.project.endswith(project_name): result.append({ 'id': request.id, 'tenant': request.tenant, 'project': request.project, 'job': request.job, 'ref_filter': request.ref_filter, 'max_count': request.max_count, 'current_count': request.current_count, 'reason': request.reason, 'node_expiration': request.node_expiration, 'expired': request.expired, 'nodes': request.nodes, }) return result @cherrypy.expose @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options(allowed_methods=['GET', 'DELETE', ]) @cherrypy.tools.check_tenant_auth() def autohold_get(self, tenant_name, tenant, auth, request_id): request = self._getAutoholdRequest(tenant_name, request_id) return { 'id': request.id, 'tenant': request.tenant, 'project': request.project, 'job': request.job, 'ref_filter': request.ref_filter, 'max_count': request.max_count, 'current_count': request.current_count, 'reason': request.reason, 'node_expiration': request.node_expiration, 'expired': request.expired, 'nodes': request.nodes, } @cherrypy.expose @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') # Options handled by get method @cherrypy.tools.check_tenant_auth(require_admin=True) def autohold_delete(self, tenant_name, tenant, auth, request_id): request = self._getAutoholdRequest(tenant_name, request_id) self.log.info(f'User {auth.uid} requesting autohold-delete on ' f'{request.tenant}/{request.project}') # User is authorized, so remove the autohold request self.log.debug("Removing autohold %s", request) try: self.zk_nodepool.deleteHoldRequest(request) except Exception: self.log.exception( "Error removing autohold request %s:", request) cherrypy.response.status = 204 def _getAutoholdRequest(self, tenant_name, request_id): hold_request = None try: hold_request = self.zk_nodepool.getHoldRequest(request_id) except Exception: self.log.exception("Error retrieving autohold ID %s", request_id) if hold_request is None: raise cherrypy.HTTPError( 404, f'Hold request {request_id} not found.') if tenant_name != hold_request.tenant: # return 404 rather than 403 to avoid leaking tenant info raise cherrypy.HTTPError( 404, 'Hold request {request_id} not found.') return hold_request @cherrypy.expose @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_root_auth() def index(self, auth): return { 'info': '/api/info', 'connections': '/api/connections', 'components': '/api/components', 'authorizations': '/api/authorizations', 'tenants': '/api/tenants', 'tenant_info': '/api/tenant/{tenant}/info', 'status': '/api/tenant/{tenant}/status', 'status_change': '/api/tenant/{tenant}/status/change/{change}', 'jobs': '/api/tenant/{tenant}/jobs', 'job': '/api/tenant/{tenant}/job/{job_name}', 'projects': '/api/tenant/{tenant}/projects', 'project': '/api/tenant/{tenant}/project/{project:.*}', 'project_freeze_jobs': '/api/tenant/{tenant}/pipeline/{pipeline}/' 'project/{project:.*}/branch/{branch:.*}/' 'freeze-jobs', 'pipelines': '/api/tenant/{tenant}/pipelines', 'semaphores': '/api/tenant/{tenant}/semaphores', 'labels': '/api/tenant/{tenant}/labels', 'nodes': '/api/tenant/{tenant}/nodes', 'key': '/api/tenant/{tenant}/key/{project:.*}.pub', 'project_ssh_key': '/api/tenant/{tenant}/project-ssh-key/' '{project:.*}.pub', 'console_stream': '/api/tenant/{tenant}/console-stream', 'badge': '/api/tenant/{tenant}/badge', 'builds': '/api/tenant/{tenant}/builds', 'build': '/api/tenant/{tenant}/build/{uuid}', 'buildsets': '/api/tenant/{tenant}/buildsets', 'buildset': '/api/tenant/{tenant}/buildset/{uuid}', 'config_errors': '/api/tenant/{tenant}/config-errors', 'tenant_authorizations': ('/api/tenant/{tenant}' '/authorizations'), 'autohold': '/api/tenant/{tenant}/project/{project:.*}/autohold', 'autohold_list': '/api/tenant/{tenant}/autohold', 'autohold_by_request_id': ('/api/tenant/{tenant}' '/autohold/{request_id}'), 'autohold_delete': ('/api/tenant/{tenant}' '/autohold/{request_id}'), 'enqueue': '/api/tenant/{tenant}/project/{project:.*}/enqueue', 'dequeue': '/api/tenant/{tenant}/project/{project:.*}/dequeue', 'promote': '/api/tenant/{tenant}/promote', } @cherrypy.expose @cherrypy.tools.handle_options() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') # Info endpoints never require authentication because they supply # authentication information. def info(self): info = self.zuulweb.info.copy() auth_info = info.capabilities.capabilities['auth'] root_realm = self.zuulweb.abide.api_root.default_auth_realm if root_realm: auth_info['default_realm'] = root_realm read_protected = bool(self.zuulweb.abide.api_root.access_rules) auth_info['read_protected'] = read_protected return self._handleInfo(info) @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.handle_options() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') # Info endpoints never require authentication because they supply # authentication information. def tenant_info(self, tenant_name): info = self.zuulweb.info.copy() auth_info = info.capabilities.capabilities['auth'] info.tenant = tenant_name tenant = self.zuulweb.abide.tenants.get(tenant_name) if tenant is not None: # TODO: should we return 404 if tenant not found? if tenant.default_auth_realm is not None: auth_info['default_realm'] = tenant.default_auth_realm read_protected = bool(tenant.access_rules) auth_info['read_protected'] = read_protected return self._handleInfo(info) def _handleInfo(self, info): ret = {'info': info.toDict()} resp = cherrypy.response if self.static_cache_expiry: resp.headers['Cache-Control'] = "public, max-age=%d" % \ self.static_cache_expiry resp.last_modified = self.zuulweb.start_time # We don't wrap info methods with check_auth resp.headers['Access-Control-Allow-Origin'] = '*' return ret def _isAuthorized(self, tenant, claims): # First, check for zuul.admin override if tenant: tenant_name = tenant.name admin_rules = tenant.admin_rules access_rules = tenant.access_rules else: tenant_name = '*' admin_rules = [] access_rules = self.zuulweb.abide.api_root.access_rules override = claims.get('zuul', {}).get('admin', []) if (override == '*' or (isinstance(override, list) and tenant_name in override)): return (True, True) if not tenant: tenant_name = '' if access_rules: access = False else: access = True for rule_name in access_rules: rule = self.zuulweb.abide.authz_rules.get(rule_name) if not rule: self.log.error('Undefined rule "%s"', rule_name) continue self.log.debug('Applying access rule "%s" from ' 'tenant "%s" to claims %s', rule_name, tenant_name, json.dumps(claims)) authorized = rule(claims, tenant) if authorized: if '__zuul_uid_claim' in claims: uid = claims['__zuul_uid_claim'] else: uid = json.dumps(claims) self.log.info('%s authorized access on ' 'tenant "%s" by rule "%s"', uid, tenant_name, rule_name) access = True break admin = False for rule_name in admin_rules: rule = self.zuulweb.abide.authz_rules.get(rule_name) if not rule: self.log.error('Undefined rule "%s"', rule_name) continue self.log.debug('Applying admin rule "%s" from ' 'tenant "%s" to claims %s', rule_name, tenant_name, json.dumps(claims)) authorized = rule(claims, tenant) if authorized: if '__zuul_uid_claim' in claims: uid = claims['__zuul_uid_claim'] else: uid = json.dumps(claims) self.log.info('%s authorized admin on ' 'tenant "%s" by rule "%s"', uid, tenant_name, rule_name) access = admin = True break return (access, admin) @cherrypy.expose @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_root_auth(require_auth=True) def root_authorizations(self, auth): return {'zuul': {'admin': auth.admin, 'scope': ['*']}, } @cherrypy.expose @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth(require_auth=True) def tenant_authorizations(self, tenant_name, tenant, auth): return {'zuul': {'admin': auth.admin, 'scope': [tenant_name, ]}, } def _tenants(self): result = [] with self.zuulweb.zk_context as ctx: for tenant_name, tenant in sorted( self.zuulweb.abide.tenants.items()): queue_size = 0 for pipeline in tenant.layout.pipelines.values(): status = pipeline.summary.refresh(ctx) for queue in status.get("change_queues", []): for head in queue["heads"]: for item in head: if item["live"]: queue_size += 1 result.append({ 'name': tenant_name, 'projects': len(tenant.untrusted_projects), 'queue': queue_size, }) return result @cherrypy.expose @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_root_auth() def tenants(self, auth): cache_time = self.tenants_cache_time if time.time() - cache_time > self.cache_expiry: with self.tenants_cache_lock: self.tenants_cache = self._tenants() self.tenants_cache_time = time.time() resp = cherrypy.response resp.headers["Cache-Control"] = f"public, max-age={self.cache_expiry}" last_modified = datetime.utcfromtimestamp( self.tenants_cache_time ) last_modified_header = last_modified.strftime('%a, %d %b %Y %X GMT') resp.headers["Last-modified"] = last_modified_header return self.tenants_cache @cherrypy.expose @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_root_auth() def connections(self, auth): ret = [s.connection.toDict() for s in self.zuulweb.connections.getSources()] return ret @cherrypy.expose @cherrypy.tools.json_out(content_type="application/json; charset=utf-8") @cherrypy.tools.handle_options() @cherrypy.tools.check_root_auth() def components(self, auth): ret = {} for kind, components in self.zuulweb.component_registry.all(): for comp in components: comp_json = { "hostname": comp.hostname, "state": comp.state, "version": comp.version, } ret.setdefault(kind, []).append(comp_json) return ret def _getStatus(self, tenant): cache_time = self.status_cache_times.get(tenant.name, 0) if tenant.name not in self.status_cache_locks or \ (time.time() - cache_time) > self.cache_expiry: if self.status_cache_locks[tenant.name].acquire( blocking=False ): try: self.status_caches[tenant.name] =\ self.formatStatus(tenant) self.status_cache_times[tenant.name] =\ time.time() finally: self.status_cache_locks[tenant.name].release() if not self.status_caches.get(tenant.name): # If the cache is empty at this point it means that we didn't # get the lock but another thread is initializing the cache # for the first time. In this case we just wait for the lock # to wait for it to finish. with self.status_cache_locks[tenant.name]: pass payload = self.status_caches[tenant.name] resp = cherrypy.response resp.headers["Cache-Control"] = f"public, max-age={self.cache_expiry}" last_modified = datetime.utcfromtimestamp( self.status_cache_times[tenant.name] ) last_modified_header = last_modified.strftime('%a, %d %b %Y %X GMT') resp.headers["Last-modified"] = last_modified_header resp.headers['Content-Type'] = 'application/json; charset=utf-8' return payload def formatStatus(self, tenant): data = {} data['zuul_version'] = self.zuulweb.component_info.version data['trigger_event_queue'] = {} data['trigger_event_queue']['length'] = len( self.zuulweb.trigger_events[tenant.name]) data['management_event_queue'] = {} data['management_event_queue']['length'] = len( self.zuulweb.management_events[tenant.name] ) data['connection_event_queues'] = {} for connection in self.zuulweb.connections.connections.values(): queue = connection.getEventQueue() if queue is not None: data['connection_event_queues'][connection.connection_name] = { 'length': len(queue), } layout_state = self.zuulweb.tenant_layout_state[tenant.name] data['last_reconfigured'] = layout_state.last_reconfigured * 1000 pipelines = [] data['pipelines'] = pipelines trigger_event_queues = self.zuulweb.pipeline_trigger_events[ tenant.name] result_event_queues = self.zuulweb.pipeline_result_events[tenant.name] management_event_queues = self.zuulweb.pipeline_management_events[ tenant.name] with self.zuulweb.zk_context as ctx: for pipeline in tenant.layout.pipelines.values(): status = pipeline.summary.refresh(ctx) status['trigger_events'] = len( trigger_event_queues[pipeline.name]) status['result_events'] = len( result_event_queues[pipeline.name]) status['management_events'] = len( management_event_queues[pipeline.name]) pipelines.append(status) return data, json.dumps(data).encode('utf-8') def _getTenantOrRaise(self, tenant_name): tenant = self.zuulweb.abide.tenants.get(tenant_name) if tenant: return tenant if tenant_name not in self.zuulweb.unparsed_abide.tenants: raise cherrypy.HTTPError(404, "Unknown tenant") self.log.warning("Tenant %s isn't loaded", tenant_name) raise cherrypy.HTTPError(204, f"Tenant {tenant_name} isn't ready") def _getProjectOrRaise(self, tenant, project_name): _, project = tenant.getProject(project_name) if not project: raise cherrypy.HTTPError(404, "Unknown project") return project @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def status(self, tenant_name, tenant, auth): return self._getStatus(tenant)[1] @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def status_change(self, tenant_name, tenant, auth, change): payload = self._getStatus(tenant)[0] result_filter = ChangeFilter(change) return result_filter.filterPayload(payload) @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out( content_type='application/json; charset=utf-8', handler=json_handler, ) @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def jobs(self, tenant_name, tenant, auth): result = [] for job_name in sorted(tenant.layout.jobs): desc = None tags = set() variants = [] for variant in tenant.layout.jobs[job_name]: if not desc and variant.description: desc = variant.description.split('\n')[0] if variant.tags: tags.update(list(variant.tags)) job_variant = {} if not variant.isBase(): if variant.parent: job_variant['parent'] = str(variant.parent) else: job_variant['parent'] = tenant.default_base_job branches = variant.getBranches() if branches: job_variant['branches'] = branches if job_variant: variants.append(job_variant) job_output = {"name": job_name} if desc: job_output["description"] = desc if variants: job_output["variants"] = variants if tags: job_output["tags"] = list(tags) result.append(job_output) return result @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def config_errors(self, tenant_name, tenant, auth): ret = [ {'source_context': e.key.context.toDict(), 'error': e.error} for e in tenant.layout.loading_errors.errors ] return ret @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out( content_type='application/json; charset=utf-8', handler=json_handler) @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def job(self, tenant_name, tenant, auth, job_name): job_name = urllib.parse.unquote_plus(job_name) job_variants = tenant.layout.jobs.get(job_name) result = [] for job in job_variants: result.append(job.toDict(tenant)) return result @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def projects(self, tenant_name, tenant, auth): result = [] for project in tenant.config_projects: pobj = project.toDict() pobj['type'] = "config" result.append(pobj) for project in tenant.untrusted_projects: pobj = project.toDict() pobj['type'] = "untrusted" result.append(pobj) return sorted(result, key=lambda project: project["name"]) @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out( content_type='application/json; charset=utf-8', handler=json_handler) @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def project(self, tenant_name, tenant, auth, project_name): project = self._getProjectOrRaise(tenant, project_name) result = project.toDict() result['configs'] = [] md = tenant.layout.getProjectMetadata(project.canonical_name).toDict() md['merge_mode'] = model.get_merge_mode_name(md['merge_mode']) result['metadata'] = md configs = tenant.layout.getAllProjectConfigs(project.canonical_name) for config_obj in configs: config = config_obj.toDict() config['pipelines'] = [] for pipeline_name, pipeline_config in sorted( config_obj.pipelines.items()): pipeline = pipeline_config.toDict() pipeline['name'] = pipeline_name pipeline['jobs'] = [] for jobs in pipeline_config.job_list.jobs.values(): job_list = [] for job in jobs: job_list.append(job.toDict(tenant)) pipeline['jobs'].append(job_list) config['pipelines'].append(pipeline) result['configs'].append(config) return result @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def pipelines(self, tenant_name, tenant, auth): ret = [] for pipeline, pipeline_config in tenant.layout.pipelines.items(): triggers = [] for trigger in pipeline_config.triggers: if isinstance(trigger.connection, BaseConnection): name = trigger.connection.connection_name else: # Trigger not based on a connection doesn't use this attr name = trigger.name triggers.append({ "name": name, "driver": trigger.driver.name, }) ret.append({"name": pipeline, "triggers": triggers}) return ret @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def labels(self, tenant_name, tenant, auth): allowed_labels = tenant.allowed_labels or [] disallowed_labels = tenant.disallowed_labels or [] labels = set() for launcher in self.zk_nodepool.getRegisteredLaunchers(): labels.update(filter_allowed_disallowed( launcher.supported_labels, allowed_labels, disallowed_labels)) ret = [{'name': label} for label in sorted(labels)] return ret @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def nodes(self, tenant_name, tenant, auth): ret = [] for node_id in self.zk_nodepool.getNodes(cached=True): node = self.zk_nodepool.getNode(node_id) # This returns all nodes; some of which may not be # intended for use by Zuul, so be extra careful checking # user_data. if not (node.user_data and isinstance(node.user_data, dict) and node.user_data.get('zuul_system') == self.system.system_id and node.tenant_name == tenant_name): continue node_data = {} for key in ("id", "type", "connection_type", "external_id", "provider", "state", "state_time", "comment"): node_data[key] = getattr(node, key, None) ret.append(node_data) return ret @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def key(self, tenant_name, tenant, auth, project_name): project = self._getProjectOrRaise(tenant, project_name) key = encryption.serialize_rsa_public_key(project.public_secrets_key) resp = cherrypy.response resp.headers['Content-Type'] = 'text/plain' return key @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def project_ssh_key(self, tenant_name, tenant, auth, project_name): project = self._getProjectOrRaise(tenant, project_name) key = f"{project.public_ssh_key}\n" resp = cherrypy.response resp.headers['Content-Type'] = 'text/plain' return key def _datetimeToString(self, my_datetime): if my_datetime: return my_datetime.strftime('%Y-%m-%dT%H:%M:%S') return None def buildToDict(self, build, buildset=None): start_time = self._datetimeToString(build.start_time) end_time = self._datetimeToString(build.end_time) if build.start_time and build.end_time: duration = (build.end_time - build.start_time).total_seconds() else: duration = None ret = { '_id': build.id, 'uuid': build.uuid, 'job_name': build.job_name, 'result': build.result, 'held': build.held, 'start_time': start_time, 'end_time': end_time, 'duration': duration, 'voting': build.voting, 'log_url': build.log_url, 'nodeset': build.nodeset, 'error_detail': build.error_detail, 'final': build.final, 'artifacts': [], 'provides': [], } if buildset: event_timestamp = self._datetimeToString(buildset.event_timestamp) ret.update({ 'project': buildset.project, 'branch': buildset.branch, 'pipeline': buildset.pipeline, 'change': buildset.change, 'patchset': buildset.patchset, 'ref': buildset.ref, 'newrev': buildset.newrev, 'ref_url': buildset.ref_url, 'event_id': buildset.event_id, 'event_timestamp': event_timestamp, 'buildset': { 'uuid': buildset.uuid, }, }) for artifact in build.artifacts: art = { 'name': artifact.name, 'url': artifact.url, } if artifact.meta: art['metadata'] = json.loads(artifact.meta) ret['artifacts'].append(art) for provides in build.provides: ret['provides'].append({ 'name': provides.name, }) return ret def _get_connection(self): return self.zuulweb.connections.connections['database'] @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def builds(self, tenant_name, tenant, auth, project=None, pipeline=None, change=None, branch=None, patchset=None, ref=None, newrev=None, uuid=None, job_name=None, voting=None, nodeset=None, result=None, final=None, held=None, complete=None, limit=50, skip=0, idx_min=None, idx_max=None, exclude_result=None): connection = self._get_connection() if tenant_name not in self.zuulweb.abide.tenants.keys(): raise cherrypy.HTTPError( 404, f'Tenant {tenant_name} does not exist.') # If final is None, we return all builds, both final and non-final if final is not None: final = final.lower() == "true" if complete is not None: complete = complete.lower() == 'true' try: _idx_max = idx_max is not None and int(idx_max) or idx_max _idx_min = idx_min is not None and int(idx_min) or idx_min except ValueError: raise cherrypy.HTTPError(400, 'idx_min, idx_max must be integers') builds = connection.getBuilds( tenant=tenant_name, project=project, pipeline=pipeline, change=change, branch=branch, patchset=patchset, ref=ref, newrev=newrev, uuid=uuid, job_name=job_name, voting=voting, nodeset=nodeset, result=result, final=final, held=held, complete=complete, limit=limit, offset=skip, idx_min=_idx_min, idx_max=_idx_max, exclude_result=exclude_result) return [self.buildToDict(b, b.buildset) for b in builds] @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def build(self, tenant_name, tenant, auth, uuid): connection = self._get_connection() data = connection.getBuilds(tenant=tenant_name, uuid=uuid, limit=1) if not data: raise cherrypy.HTTPError(404, "Build not found") data = self.buildToDict(data[0], data[0].buildset) return data def buildsetToDict(self, buildset, builds=[]): event_timestamp = self._datetimeToString(buildset.event_timestamp) start = self._datetimeToString(buildset.first_build_start_time) end = self._datetimeToString(buildset.last_build_end_time) ret = { '_id': buildset.id, 'uuid': buildset.uuid, 'result': buildset.result, 'message': buildset.message, 'project': buildset.project, 'branch': buildset.branch, 'pipeline': buildset.pipeline, 'change': buildset.change, 'patchset': buildset.patchset, 'ref': buildset.ref, 'newrev': buildset.newrev, 'ref_url': buildset.ref_url, 'event_id': buildset.event_id, 'event_timestamp': event_timestamp, 'first_build_start_time': start, 'last_build_end_time': end, } if builds: ret['builds'] = [] for build in builds: ret['builds'].append(self.buildToDict(build)) return ret @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def badge(self, tenant_name, tenant, auth, project=None, pipeline=None, branch=None): connection = self._get_connection() buildsets = connection.getBuildsets( tenant=tenant_name, project=project, pipeline=pipeline, branch=branch, complete=True, limit=1) if not buildsets: raise cherrypy.HTTPError(404, 'No buildset found') if buildsets[0].result == 'SUCCESS': file = 'passing.svg' else: file = 'failing.svg' path = os.path.join(self.zuulweb.static_path, file) # Ensure the badge are not cached cherrypy.response.headers['Cache-Control'] = "no-cache" return cherrypy.lib.static.serve_file( path=path, content_type="image/svg+xml") @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def buildsets(self, tenant_name, tenant, auth, project=None, pipeline=None, change=None, branch=None, patchset=None, ref=None, newrev=None, uuid=None, result=None, complete=None, limit=50, skip=0, idx_min=None, idx_max=None): connection = self._get_connection() if complete: complete = complete.lower() == 'true' try: _idx_max = idx_max is not None and int(idx_max) or idx_max _idx_min = idx_min is not None and int(idx_min) or idx_min except ValueError: raise cherrypy.HTTPError(400, 'idx_min, idx_max must be integers') buildsets = connection.getBuildsets( tenant=tenant_name, project=project, pipeline=pipeline, change=change, branch=branch, patchset=patchset, ref=ref, newrev=newrev, uuid=uuid, result=result, complete=complete, limit=limit, offset=skip, idx_min=_idx_min, idx_max=_idx_max) return [self.buildsetToDict(b) for b in buildsets] @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def buildset(self, tenant_name, tenant, auth, uuid): connection = self._get_connection() data = connection.getBuildset(tenant_name, uuid) if not data: raise cherrypy.HTTPError(404, "Buildset not found") data = self.buildsetToDict(data, data.builds) return data @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out( content_type='application/json; charset=utf-8', handler=json_handler, ) @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def semaphores(self, tenant_name, tenant, auth): result = [] names = set(tenant.layout.semaphores.keys()) names = names.union(tenant.global_semaphores) for semaphore_name in sorted(names): semaphore = tenant.layout.getSemaphore( self.zuulweb.abide, semaphore_name) holders = tenant.semaphore_handler.semaphoreHolders(semaphore_name) this_tenant = [] other_tenants = 0 for holder in holders: (holder_tenant, holder_pipeline, holder_item_uuid, holder_buildset_uuid ) = BuildSet.parsePath(holder['buildset_path']) if holder_tenant != tenant_name: other_tenants += 1 continue this_tenant.append({'buildset_uuid': holder_buildset_uuid, 'job_name': holder['job_name']}) sem_out = {'name': semaphore.name, 'global': semaphore.global_scope, 'max': semaphore.max, 'holders': { 'count': len(this_tenant) + other_tenants, 'this_tenant': this_tenant, 'other_tenants': other_tenants}, } result.append(sem_out) return result @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.handle_options() # We don't check auth here since we would never fall through to it def console_stream_options(self, tenant_name): cherrypy.request.ws_handler.zuulweb = self.zuulweb @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.websocket(handler_cls=LogStreamHandler) # Options handling in _options method @cherrypy.tools.check_tenant_auth() def console_stream_get(self, tenant_name, tenant, auth): cherrypy.request.ws_handler.zuulweb = self.zuulweb @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def project_freeze_jobs(self, tenant_name, tenant, auth, pipeline_name, project_name, branch_name): item = self._freeze_jobs( tenant, pipeline_name, project_name, branch_name) output = [] for job in item.current_build_set.job_graph.getJobs(): output.append({ 'name': job.name, 'dependencies': list(map(lambda x: x.toDict(), job.dependencies)), }) ret = output return ret @cherrypy.expose @cherrypy.tools.save_params() @cherrypy.tools.json_out(content_type='application/json; charset=utf-8') @cherrypy.tools.handle_options() @cherrypy.tools.check_tenant_auth() def project_freeze_job(self, tenant_name, tenant, auth, pipeline_name, project_name, branch_name, job_name): # TODO(jhesketh): Allow a canonical change/item to be passed in which # would return the job with any in-change modifications. item = self._freeze_jobs( tenant, pipeline_name, project_name, branch_name) job = item.current_build_set.jobs.get(job_name) if not job: raise cherrypy.HTTPError(404) uuid = "0" * 32 params = zuul.executor.common.construct_build_params( uuid, self.zuulweb.connections, job, item, item.pipeline) params['zuul'].update(zuul.executor.common.zuul_params_from_job(job)) del params['job_ref'] params['job'] = job.name params['zuul']['buildset'] = None params['timeout'] = job.timeout params['post_timeout'] = job.post_timeout params['override_branch'] = job.override_branch params['override_checkout'] = job.override_checkout params['ansible_version'] = job.ansible_version params['workspace_scheme'] = job.workspace_scheme if job.name != 'noop': params['playbooks'] = job.run params['pre_playbooks'] = job.pre_run params['post_playbooks'] = job.post_run params['cleanup_playbooks'] = job.cleanup_run params["nodeset"] = job.nodeset.toDict() params['vars'] = job.combined_variables params['extra_vars'] = job.extra_variables params['host_vars'] = job.host_variables params['group_vars'] = job.group_variables params['secret_vars'] = job.secret_parent_data ret = params return ret def _freeze_jobs(self, tenant, pipeline_name, project_name, branch_name): project = self._getProjectOrRaise(tenant, project_name) pipeline = tenant.layout.pipelines.get(pipeline_name) if not pipeline: raise cherrypy.HTTPError(404, 'Unknown pipeline') change = Branch(project) change.branch = branch_name or "master" with LocalZKContext(self.log) as context: queue = ChangeQueue.new(context, pipeline=pipeline) item = QueueItem.new(context, queue=queue, change=change) item.freezeJobGraph(tenant.layout, context, skip_file_matcher=True, redact_secrets_and_keys=True) return item class StaticHandler(object): def __init__(self, root): self.root = root def default(self, path, **kwargs): # Try to handle static file first handled = cherrypy.lib.static.staticdir( section="", dir=self.root, index='index.html') if not path or not handled: # When not found, serve the index.html return cherrypy.lib.static.serve_file( path=os.path.join(self.root, "index.html"), content_type="text/html") else: return cherrypy.lib.static.serve_file( path=os.path.join(self.root, path)) class StreamManager(object): log = logging.getLogger("zuul.web") def __init__(self, statsd, metrics): self.thread = None self.statsd = statsd self.metrics = metrics self.hostname = normalize_statsd_name(socket.getfqdn()) self.streamers = {} self.poll = select.poll() self.bitmask = (select.POLLIN | select.POLLERR | select.POLLHUP | select.POLLNVAL) self.wake_read, self.wake_write = os.pipe() self.poll.register(self.wake_read, self.bitmask) self.poll_lock = threading.Lock() def start(self): self._stopped = False self.thread = threading.Thread( target=self.run, name='StreamManager') self.thread.start() def stop(self): if self.thread: self._stopped = True os.write(self.wake_write, b'\n') self.thread.join() def run(self): while not self._stopped: try: self._run() except Exception: self.log.exception("Error in StreamManager run method") def _run(self): for fd, event in self.poll.poll(): if self._stopped: return if fd == self.wake_read: os.read(self.wake_read, 1024) continue streamer = self.streamers.get(fd) if streamer: try: streamer.handle(event) except Exception: self.log.exception("Error in streamer:") streamer.errorClose() self.unregisterStreamer(streamer) else: with self.poll_lock: # Double check this now that we have the lock streamer = self.streamers.get(fd) if not streamer: self.log.error( "Unregistering missing streamer fd: %s", fd) try: self.poll.unregister(fd) except KeyError: pass def emitStats(self): streamers = len(self.streamers) self.metrics.streamers.set(streamers) if self.statsd: self.statsd.gauge(f'zuul.web.server.{self.hostname}.streamers', streamers) def registerStreamer(self, streamer): with self.poll_lock: self.log.debug("Registering streamer %s", streamer) self.streamers[streamer.fileno] = streamer self.poll.register(streamer.fileno, self.bitmask) os.write(self.wake_write, b'\n') self.emitStats() def unregisterStreamer(self, streamer): with self.poll_lock: self.log.debug("Unregistering streamer %s", streamer) old_streamer = self.streamers.get(streamer.fileno) if old_streamer and old_streamer is streamer: # Otherwise, we may have a new streamer which reused # the fileno, so leave the poll registration in place. del self.streamers[streamer.fileno] try: self.poll.unregister(streamer.fileno) except KeyError: pass except Exception: self.log.exception("Error unregistering streamer:") streamer.closeSocket() self.emitStats() class ZuulWeb(object): log = logging.getLogger("zuul.web") tracer = trace.get_tracer("zuul") def __init__(self, config, connections, authenticators: AuthenticatorRegistry, info: WebInfo = None): self._running = False self.start_time = time.time() self.config = config self.tracing = tracing.Tracing(self.config) self.metrics = WebMetrics() self.statsd = get_statsd(config) self.wsplugin = None self.listen_address = get_default(self.config, 'web', 'listen_address', '127.0.0.1') self.listen_port = get_default(self.config, 'web', 'port', 9000) self.server = None self.static_cache_expiry = get_default(self.config, 'web', 'static_cache_expiry', 3600) self.info = info self.static_path = os.path.abspath( get_default(self.config, 'web', 'static_path', STATIC_DIR) ) self.hostname = socket.getfqdn() self.zk_client = ZooKeeperClient.fromConfig(self.config) self.zk_client.connect() self.executor_api = ExecutorApi(self.zk_client, use_cache=False) self.component_info = WebComponent( self.zk_client, self.hostname, version=get_version_string()) self.component_info.register() self.monitoring_server = MonitoringServer(self.config, 'web', self.component_info) self.monitoring_server.start() self.component_registry = COMPONENT_REGISTRY.create(self.zk_client) self.system_config_thread = None self.system_config_cache_wake_event = threading.Event() self.system_config_cache = SystemConfigCache( self.zk_client, self.system_config_cache_wake_event.set) self.keystore = KeyStorage( self.zk_client, password=self._get_key_store_password()) self.globals = SystemAttributes.fromConfig(self.config) self.ansible_manager = AnsibleManager( default_version=self.globals.default_ansible_version) self.abide = Abide() self.unparsed_abide = UnparsedAbideConfig() self.tenant_layout_state = LayoutStateStore( self.zk_client, self.system_config_cache_wake_event.set) self.local_layout_state = {} self.connections = connections self.authenticators = authenticators self.stream_manager = StreamManager(self.statsd, self.metrics) self.zone = get_default(self.config, 'web', 'zone') self.management_events = TenantManagementEventQueue.createRegistry( self.zk_client) self.pipeline_management_events = ( PipelineManagementEventQueue.createRegistry(self.zk_client) ) self.trigger_events = TenantTriggerEventQueue.createRegistry( self.zk_client, self.connections ) self.pipeline_trigger_events = ( PipelineTriggerEventQueue.createRegistry( self.zk_client, self.connections ) ) self.pipeline_result_events = PipelineResultEventQueue.createRegistry( self.zk_client ) self.zk_context = ZKContext(self.zk_client, None, None, self.log) command_socket = get_default( self.config, 'web', 'command_socket', '/var/lib/zuul/web.socket' ) self.command_socket = commandsocket.CommandSocket(command_socket) self.repl = None self.command_map = { commandsocket.StopCommand.name: self.stop, commandsocket.ReplCommand.name: self.startRepl, commandsocket.NoReplCommand.name: self.stopRepl, } self.finger_tls_key = get_default( self.config, 'fingergw', 'tls_key') self.finger_tls_cert = get_default( self.config, 'fingergw', 'tls_cert') self.finger_tls_ca = get_default( self.config, 'fingergw', 'tls_ca') self.finger_tls_verify_hostnames = get_default( self.config, 'fingergw', 'tls_verify_hostnames', default=True) route_map = cherrypy.dispatch.RoutesDispatcher() api = ZuulWebAPI(self) self.api = api route_map.connect('api', '/api', controller=api, action='index') route_map.connect('api', '/api/info', controller=api, action='info') route_map.connect('api', '/api/connections', controller=api, action='connections') route_map.connect('api', '/api/components', controller=api, action='components') route_map.connect('api', '/api/tenants', controller=api, action='tenants') route_map.connect('api', '/api/tenant/{tenant_name}/info', controller=api, action='tenant_info') route_map.connect('api', '/api/tenant/{tenant_name}/status', controller=api, action='status') route_map.connect('api', '/api/tenant/{tenant_name}/status/change' '/{change}', controller=api, action='status_change') route_map.connect('api', '/api/tenant/{tenant_name}/semaphores', controller=api, action='semaphores') route_map.connect('api', '/api/tenant/{tenant_name}/jobs', controller=api, action='jobs') route_map.connect('api', '/api/tenant/{tenant_name}/job/{job_name}', controller=api, action='job') # if no auth configured, deactivate admin routes if self.authenticators.authenticators: # route order is important, put project actions before the more # generic tenant/{tenant_name}/project/{project} route route_map.connect('api', '/api/tenant/{tenant_name}/authorizations', controller=api, action='tenant_authorizations') route_map.connect('api', '/api/authorizations', controller=api, action='root_authorizations') route_map.connect('api', '/api/tenant/{tenant_name}/promote', controller=api, action='promote') route_map.connect( 'api', '/api/tenant/{tenant_name}/project/{project_name:.*}/autohold', controller=api, conditions=dict(method=['GET', 'OPTIONS']), action='autohold_project_get') route_map.connect( 'api', '/api/tenant/{tenant_name}/project/{project_name:.*}/autohold', controller=api, conditions=dict(method=['POST']), action='autohold_project_post') route_map.connect( 'api', '/api/tenant/{tenant_name}/project/{project_name:.*}/enqueue', controller=api, action='enqueue') route_map.connect( 'api', '/api/tenant/{tenant_name}/project/{project_name:.*}/dequeue', controller=api, action='dequeue') route_map.connect('api', '/api/tenant/{tenant_name}/autohold/{request_id}', controller=api, conditions=dict(method=['GET', 'OPTIONS']), action='autohold_get') route_map.connect('api', '/api/tenant/{tenant_name}/autohold/{request_id}', controller=api, conditions=dict(method=['DELETE']), action='autohold_delete') route_map.connect('api', '/api/tenant/{tenant_name}/autohold', controller=api, action='autohold_list') route_map.connect('api', '/api/tenant/{tenant_name}/projects', controller=api, action='projects') route_map.connect('api', '/api/tenant/{tenant_name}/project/' '{project_name:.*}', controller=api, action='project') route_map.connect( 'api', '/api/tenant/{tenant_name}/pipeline/{pipeline_name}' '/project/{project_name:.*}/branch/{branch_name:.*}/freeze-jobs', controller=api, action='project_freeze_jobs' ) route_map.connect( 'api', '/api/tenant/{tenant_name}/pipeline/{pipeline_name}' '/project/{project_name:.*}/branch/{branch_name:.*}' '/freeze-job/{job_name}', controller=api, action='project_freeze_job' ) route_map.connect('api', '/api/tenant/{tenant_name}/pipelines', controller=api, action='pipelines') route_map.connect('api', '/api/tenant/{tenant_name}/labels', controller=api, action='labels') route_map.connect('api', '/api/tenant/{tenant_name}/nodes', controller=api, action='nodes') route_map.connect('api', '/api/tenant/{tenant_name}/key/' '{project_name:.*}.pub', controller=api, action='key') route_map.connect('api', '/api/tenant/{tenant_name}/' 'project-ssh-key/{project_name:.*}.pub', controller=api, action='project_ssh_key') route_map.connect('api', '/api/tenant/{tenant_name}/console-stream', controller=api, action='console_stream_get', conditions=dict(method=['GET'])) route_map.connect('api', '/api/tenant/{tenant_name}/console-stream', controller=api, action='console_stream_options', conditions=dict(method=['OPTIONS'])) route_map.connect('api', '/api/tenant/{tenant_name}/builds', controller=api, action='builds') route_map.connect('api', '/api/tenant/{tenant_name}/badge', controller=api, action='badge') route_map.connect('api', '/api/tenant/{tenant_name}/build/{uuid}', controller=api, action='build') route_map.connect('api', '/api/tenant/{tenant_name}/buildsets', controller=api, action='buildsets') route_map.connect('api', '/api/tenant/{tenant_name}/buildset/{uuid}', controller=api, action='buildset') route_map.connect('api', '/api/tenant/{tenant_name}/config-errors', controller=api, action='config_errors') for connection in connections.connections.values(): controller = connection.getWebController(self) if controller: cherrypy.tree.mount( controller, '/api/connection/%s' % connection.connection_name) # Add fallthrough routes at the end for the static html/js files route_map.connect( 'root_static', '/{path:.*}', controller=StaticHandler(self.static_path), action='default') cherrypy.tools.stats = StatsTool(self.statsd, self.metrics) conf = { '/': { 'request.dispatch': route_map, 'tools.stats.on': True, } } cherrypy.config.update({ 'global': { 'environment': 'production', 'server.socket_host': self.listen_address, 'server.socket_port': int(self.listen_port), }, }) app = cherrypy.tree.mount(api, '/', config=conf) app.log = ZuulCherrypyLogManager(appid=app.log.appid) @property def port(self): return cherrypy.server.bound_addr[1] def start(self): self.log.info("ZuulWeb starting") self._running = True self.component_info.state = self.component_info.INITIALIZING self.log.info("Starting command processor") self._command_running = True self.command_socket.start() self.command_thread = threading.Thread(target=self.runCommand, name='command') self.command_thread.daemon = True self.command_thread.start() # Wait for system config and layouts to be loaded self.log.info("Waiting for system config from scheduler") while not self.system_config_cache.is_valid: self.system_config_cache_wake_event.wait(1) if not self._running: return # Initialize the system config self.updateSystemConfig() # Wait until all layouts/tenants are loaded self.log.info("Waiting for all tenants to load") while True: self.system_config_cache_wake_event.clear() self.updateLayout() if (set(self.unparsed_abide.tenants.keys()) != set(self.abide.tenants.keys())): while True: self.system_config_cache_wake_event.wait(1) if not self._running: return if self.system_config_cache_wake_event.is_set(): break else: break self.log.info("Starting HTTP listeners") self.stream_manager.start() self.wsplugin = WebSocketPlugin(cherrypy.engine) self.wsplugin.subscribe() cherrypy.engine.start() self.component_info.state = self.component_info.RUNNING self.system_config_thread = threading.Thread( target=self.updateConfig, name='system_config') self._system_config_running = True self.system_config_thread.daemon = True self.system_config_thread.start() def stop(self): self.log.info("ZuulWeb stopping") self._running = False self.component_info.state = self.component_info.STOPPED cherrypy.engine.exit() # Not strictly necessary, but without this, if the server is # started again (e.g., in the unit tests) it will reuse the # same host/port settings. cherrypy.server.httpserver = None if self.wsplugin: self.wsplugin.unsubscribe() self.stream_manager.stop() self._system_config_running = False self.system_config_cache_wake_event.set() if self.system_config_thread: self.system_config_thread.join() self.stopRepl() self._command_running = False self.command_socket.stop() self.monitoring_server.stop() self.tracing.stop() self.zk_client.disconnect() def join(self): self.command_thread.join() self.monitoring_server.join() def runCommand(self): while self._command_running: try: command, args = self.command_socket.get() if command != '_stop': self.command_map[command]() except Exception: self.log.exception("Exception while processing command") def startRepl(self): if self.repl: return self.repl = zuul.lib.repl.REPLServer(self) self.repl.start() def stopRepl(self): if not self.repl: return self.repl.stop() self.repl = None def _get_key_store_password(self): try: return self.config["keystore"]["password"] except KeyError: raise RuntimeError("No key store password configured!") def updateConfig(self): while self._system_config_running: try: self.system_config_cache_wake_event.wait() self.system_config_cache_wake_event.clear() if not self._system_config_running: return self.updateSystemConfig() if not self.updateLayout(): # Branch cache errors with at least one tenant, # try again. time.sleep(10) self.system_config_cache_wake_event.set() except Exception: self.log.exception("Exception while updating system config") def updateSystemConfig(self): self.log.debug("Updating system config") self.unparsed_abide, self.globals = self.system_config_cache.get() self.ansible_manager = AnsibleManager( default_version=self.globals.default_ansible_version) loader = ConfigLoader( self.connections, self.zk_client, self.globals, keystorage=self.keystore) tenant_names = set(self.abide.tenants) deleted_tenants = tenant_names.difference( self.unparsed_abide.tenants.keys()) # Remove TPCs of deleted tenants for tenant_name in deleted_tenants: self.abide.clearTPCs(tenant_name) loader.loadAuthzRules(self.abide, self.unparsed_abide) loader.loadSemaphores(self.abide, self.unparsed_abide) loader.loadTPCs(self.abide, self.unparsed_abide) def updateLayout(self): self.log.debug("Updating layout state") loader = ConfigLoader( self.connections, self.zk_client, self.globals, keystorage=self.keystore) # We need to handle new and deleted tenants, so we need to process all # tenants currently known and the new ones. tenant_names = set(self.abide.tenants) tenant_names.update(self.unparsed_abide.tenants.keys()) success = True for tenant_name in tenant_names: # Reload the tenant if the layout changed. try: self._updateTenantLayout(loader, tenant_name) except ReadOnlyBranchCacheError: self.log.info( "Unable to update layout due to incomplete branch " "cache, possibly due to in-progress tenant " "reconfiguration; will retry") success = False self.log.debug("Done updating layout state") return success def _updateTenantLayout(self, loader, tenant_name): # Reload the tenant if the layout changed. if (self.local_layout_state.get(tenant_name) == self.tenant_layout_state.get(tenant_name)): return self.log.debug("Reloading tenant %s", tenant_name) with tenant_read_lock(self.zk_client, tenant_name): layout_state = self.tenant_layout_state.get(tenant_name) layout_uuid = layout_state and layout_state.uuid if layout_state: min_ltimes = self.tenant_layout_state.getMinLtimes( layout_state) branch_cache_min_ltimes = ( layout_state.branch_cache_min_ltimes) else: # Consider all project branch caches valid if # we don't have a layout state. min_ltimes = defaultdict( lambda: defaultdict(lambda: -1)) branch_cache_min_ltimes = defaultdict(lambda: -1) # The tenant will be stored in self.abide.tenants after # it was loaded. tenant = loader.loadTenant( self.abide, tenant_name, self.ansible_manager, self.unparsed_abide, min_ltimes=min_ltimes, layout_uuid=layout_uuid, branch_cache_min_ltimes=branch_cache_min_ltimes) if tenant is not None: self.local_layout_state[tenant_name] = layout_state else: with suppress(KeyError): del self.local_layout_state[tenant_name]