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# Copyright 2013 OpenStack Foundation
#
# 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 json
import logging
import time
import gear
class RPCFailure(Exception):
pass
class RPCClient(object):
log = logging.getLogger("zuul.RPCClient")
def __init__(self, server, port, ssl_key=None, ssl_cert=None, ssl_ca=None):
self.log.debug("Connecting to gearman at %s:%s" % (server, port))
self.gearman = gear.Client()
self.gearman.addServer(server, port, ssl_key, ssl_cert, ssl_ca,
keepalive=True, tcp_keepidle=60,
tcp_keepintvl=30, tcp_keepcnt=5)
self.log.debug("Waiting for gearman")
self.gearman.waitForServer()
def submitJob(self, name, data):
self.log.debug("Submitting job %s with data %s" % (name, data))
job = gear.TextJob(name,
json.dumps(data),
unique=str(time.time()))
self.gearman.submitJob(job, timeout=300)
self.log.debug("Waiting for job completion")
while not job.complete:
time.sleep(0.1)
if job.exception:
raise RPCFailure(job.exception)
self.log.debug("Job complete, success: %s" % (not job.failure))
return job
def autohold(self, tenant, project, job, change, ref, reason, count,
node_hold_expiration=None):
data = {'tenant': tenant,
'project': project,
'job': job,
'change': change,
'ref': ref,
'reason': reason,
'count': count,
'node_hold_expiration': node_hold_expiration}
return not self.submitJob('zuul:autohold', data).failure
def autohold_delete(self, request_id):
data = {'request_id': request_id}
return not self.submitJob('zuul:autohold_delete', data).failure
# todo allow filtering per tenant, like in the REST API
def autohold_list(self, *args, **kwargs):
data = {}
job = self.submitJob('zuul:autohold_list', data)
if job.failure:
return False
else:
return json.loads(job.data[0])
def enqueue(self, tenant, pipeline, project, trigger, change):
data = {'tenant': tenant,
'pipeline': pipeline,
'project': project,
'trigger': trigger,
'change': change,
}
return not self.submitJob('zuul:enqueue', data).failure
def enqueue_ref(
self, tenant, pipeline, project, trigger, ref, oldrev, newrev):
data = {'tenant': tenant,
'pipeline': pipeline,
'project': project,
'trigger': trigger,
'ref': ref,
'oldrev': oldrev,
'newrev': newrev,
}
return not self.submitJob('zuul:enqueue_ref', data).failure
def dequeue(self, tenant, pipeline, project, change, ref):
data = {'tenant': tenant,
'pipeline': pipeline,
'project': project,
'change': change,
'ref': ref,
}
return not self.submitJob('zuul:dequeue', data).failure
def promote(self, tenant, pipeline, change_ids):
data = {'tenant': tenant,
'pipeline': pipeline,
'change_ids': change_ids,
}
return not self.submitJob('zuul:promote', data).failure
def get_running_jobs(self):
data = {}
job = self.submitJob('zuul:get_running_jobs', data)
if job.failure:
return False
else:
return json.loads(job.data[0])
def shutdown(self):
self.gearman.shutdown()
def get_job_log_stream_address(self, uuid, logfile='console.log'):
data = {'uuid': uuid, 'logfile': logfile}
job = self.submitJob('zuul:get_job_log_stream_address', data)
if job.failure:
return False
else:
return json.loads(job.data[0])
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