zuul
/
zuul
Code Issues Proposed changes

Remove stray print statements. 

Add tox.ini with pep8 section.

Fix pep8 errors.

Change-Id: I6c171104359b16bcb130fdd56697d0663d8ec562
This commit is contained in:
James E. Blair 2012-05-30 09:15:05 -07:00
parent 0903a4227c
commit 1e8dd893ed
8 changed files with 120 additions and 91 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
setup.py
View File

@ -14,9 +14,7 @@
# under the License.
from setuptools import find_packages
from setuptools.command.sdist import sdist
from setuptools import setup
import subprocess
setup(name='zuul',
version='1.0',

6
tox.ini Normal file
View File

@ -0,0 +1,6 @@
[tox]
envlist = pep8
[testenv:pep8]
deps = pep8
commands = pep8 --repeat --show-source zuul zuul-server setup.py

6
zuul-server
View File

@ -23,14 +23,16 @@ import zuul.trigger.gerrit
import logging.config
def parse_arguments():
parser = argparse.ArgumentParser(description='Project gating system.')
parser.add_argument('-c', dest='config',
help='specify the config file')
return parser.parse_args()
def read_config(args):
config=ConfigParser.ConfigParser()
config = ConfigParser.ConfigParser()
if args.config:
locations = [args.config]
else:
@ -42,6 +44,7 @@ def read_config(args):
return config
raise Exception("Unable to locate config file in %s" % locations)
def setup_logging(config):
if config.has_option('zuul', 'log_config'):
fp = os.path.expanduser(config.get('zuul', 'log_config'))
@ -51,6 +54,7 @@ def setup_logging(config):
else:
logging.basicConfig(level=logging.DEBUG)
def main(config):
sched = zuul.scheduler.Scheduler(config)

60
zuul/launcher/jenkins.py
View File

@ -28,6 +28,7 @@ import pprint
from zuul.model import Build
class JenkinsCallback(threading.Thread):
log = logging.getLogger("zuul.JenkinsCallback")
@ -61,7 +62,8 @@ class JenkinsCallback(threading.Thread):
uuid = params.get('UUID')
if (status and url and uuid and phase
and phase == 'COMPLETED'):
self.jenkins.onBuildCompleted(uuid, status, url, number)
self.jenkins.onBuildCompleted(uuid, status, url,
number)
if (phase and phase == 'STARTED'):
self.jenkins.onBuildStarted(uuid, url, number)
@ -70,10 +72,11 @@ STOP_BUILD = 'job/%(name)s/%(number)s/stop'
CANCEL_QUEUE = 'queue/item/%(number)s/cancelQueue'
BUILD_INFO = 'job/%(name)s/%(number)s/api/json?depth=0'
class ExtendedJenkins(jenkins.Jenkins):
def jenkins_open(self, req):
'''
Utility routine for opening an HTTP request to a Jenkins server.
Utility routine for opening an HTTP request to a Jenkins server.
'''
try:
if self.auth:
@ -93,7 +96,7 @@ class ExtendedJenkins(jenkins.Jenkins):
@param number: Jenkins build number for the job
@type number: int
'''
self.jenkins_open(urllib2.Request(self.server + STOP_BUILD%locals()))
self.jenkins_open(urllib2.Request(self.server + STOP_BUILD % locals()))
def cancel_queue(self, number):
'''
@ -104,10 +107,10 @@ class ExtendedJenkins(jenkins.Jenkins):
'''
# Jenkins returns a 302 from this URL, unless Referer is not set,
# then you get a 404.
self.jenkins_open(urllib2.Request(self.server + CANCEL_QUEUE%locals(),
self.jenkins_open(urllib2.Request(self.server +
CANCEL_QUEUE % locals(),
headers={'Referer': self.server}))
def get_build_info(self, name, number):
'''
Get information for a build.
@ -118,7 +121,9 @@ class ExtendedJenkins(jenkins.Jenkins):
@type number: int
@return: dictionary
'''
return json.loads(self.jenkins_open(urllib2.Request(self.server + BUILD_INFO%locals())))
return json.loads(self.jenkins_open(urllib2.Request(
self.server + BUILD_INFO % locals())))
class Jenkins(object):
log = logging.getLogger("zuul.Jenkins")
@ -132,27 +137,29 @@ class Jenkins(object):
self.jenkins = ExtendedJenkins(server, user, apikey)
self.callback_thread = JenkinsCallback(self)
self.callback_thread.start()
def launch(self, job, change, dependent_changes = []):
self.log.info("Launch job %s for change %s with dependent changes %s" % (
job, change, dependent_changes))
def launch(self, job, change, dependent_changes=[]):
self.log.info("Launch job %s for change %s with dependent changes %s" %
(job, change, dependent_changes))
uuid = str(uuid1())
changes_str = '^'.join(
['%s:%s:%s' % (c.project.name, c.branch, c.refspec)
for c in dependent_changes+[change]])
['%s:%s:%s' % (c.project.name, c.branch, c.refspec)
for c in dependent_changes + [change]])
params = dict(UUID=uuid,
GERRIT_PROJECT=change.project.name,
GERRIT_BRANCH=change.branch,
GERRIT_CHANGES=changes_str)
build = Build(job, uuid)
self.builds[uuid] = build
# We can get the started notification on another thread before this is done
# so we add the build even before we trigger the job on Jenkins. We should
# be careful to clean it up if it doesn't actually kick off.
# We can get the started notification on another thread before
# this is done so we add the build even before we trigger the
# job on Jenkins. We should be careful to clean it up if it
# doesn't actually kick off.
try:
self.jenkins.build_job(job.name, parameters=params)
except:
self.log.exception("Exception launching build %s for job %s for change %s:" % (
self.log.exception(
"Exception launching build %s for job %s for change %s:" % (
build, job, change))
# Whoops. Remove that build we added.
del self.builds[uuid]
@ -171,33 +178,36 @@ class Jenkins(object):
self.log.debug("Looking for build %s in queue" % build)
for item in self.jenkins.get_queue_info():
if not item.has_key('actions'):
if 'actions' not in item:
continue
for action in item['actions']:
if not action.has_key('parameters'):
if 'parameters' not in action:
continue
parameters = action['parameters']
for param in parameters:
if (param['name'] == 'UUID' and build.uuid == param['value']):
if (param['name'] == 'UUID' and
build.uuid == param['value']):
self.log.debug("Found queue item %s for build %s" % (
item['id'], build))
try:
self.jenkins.cancel_queue(item['id'])
self.log.debug("Canceled queue item %s for build %s" % (
self.log.debug(
"Canceled queue item %s for build %s" % (
item['id'], build))
return
except:
self.log.exception("Exception canceling queue item %s for build %s" % (
item['id'], build))
self.log.exception("Exception canceling queue \
item %s for build %s" % (item['id'], build))
self.log.debug("Still unable to find build %s to cancel" % build)
if build.number:
self.log.debug("Build %s has just started" % build)
self.jenkins.stop_build(build.job.name, build.number)
self.log.debug("Canceled just running build %s" % build)
else:
self.log.error("Build %s has not started but was not found in queue" % build)
self.log.error(
"Build %s has not started but was not found in queue" %
build)
def onBuildCompleted(self, uuid, status, url, number):
self.log.info("Build %s #%s complete, status %s" % (
uuid, number, status))

14
zuul/lib/gerrit.py
View File

@ -1,3 +1,4 @@
# Copyright 2011 OpenStack, LLC.
# Copyright 2012 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
@ -24,6 +25,7 @@ import pprint
# TODO: switch this to paramiko?
class GerritWatcher(threading.Thread):
log = logging.getLogger("gerrit.GerritWatcher")
@ -45,7 +47,7 @@ class GerritWatcher(threading.Thread):
cmd += ['-l', self.username, self.server,
'gerrit', 'stream-events']
self.proc = subprocess.Popen(cmd,
bufsize=1,
bufsize=1,
stdin=None,
stdout=subprocess.PIPE,
stderr=None,
@ -67,7 +69,8 @@ class GerritWatcher(threading.Thread):
def _read(self):
l = self.proc.stdout.readline()
data = json.loads(l)
self.log.debug("Received data from Gerrit event stream: \n%s" % pprint.pformat(data))
self.log.debug("Received data from Gerrit event stream: \n%s" %
pprint.pformat(data))
self.gerrit.addEvent(data)
def _listen(self):
@ -79,7 +82,7 @@ class GerritWatcher(threading.Thread):
self._read()
else:
raise Exception("event on ssh connection")
def _run(self):
try:
if not self.proc:
@ -94,6 +97,7 @@ class GerritWatcher(threading.Thread):
while True:
self._run()
class Gerrit(object):
log = logging.getLogger("gerrit.Gerrit")
@ -122,7 +126,7 @@ class Gerrit(object):
def review(self, project, change, message, action={}):
cmd = 'gerrit review --project %s --message "%s"' % (
project, message)
for k,v in action.items():
for k, v in action.items():
if v is True:
cmd += ' --%s' % k
else:
@ -151,7 +155,7 @@ class Gerrit(object):
client = paramiko.SSHClient()
client.load_system_host_keys()
client.set_missing_host_key_policy(paramiko.WarningPolicy())
client.connect(self.hostname,
client.connect(self.hostname,
username=self.username,
port=29418)

33
zuul/model.py
View File

@ -14,6 +14,7 @@
import re
class ChangeQueue(object):
def __init__(self, queue_name):
self.name = ''
@ -51,6 +52,7 @@ class ChangeQueue(object):
for project in other.projects:
self.addProject(project)
class Job(object):
def __init__(self, name):
self.name = name
@ -64,6 +66,7 @@ class Job(object):
def __repr__(self):
return '<Job %s>' % (self.name)
class Build(object):
def __init__(self, job, uuid):
self.job = job
@ -75,6 +78,7 @@ class Build(object):
def __repr__(self):
return '<Build %s of %s>' % (self.uuid, self.job.name)
class JobTree(object):
""" A JobTree represents an instance of one Job, and holds JobTrees
whose jobs should be run if that Job succeeds. A root node of a
@ -106,6 +110,7 @@ class JobTree(object):
return ret
return None
class Project(object):
def __init__(self, name):
self.name = name
@ -122,7 +127,7 @@ class Project(object):
return self.job_trees[name]
def hasQueue(self, name):
if self.job_trees.has_key(name):
if name in self.job_trees:
return True
return False
@ -135,6 +140,7 @@ class Project(object):
return []
return tree.getJobs()
class Change(object):
def __init__(self, queue_name, project, branch, number, patchset, refspec):
self.queue_name = queue_name
@ -153,18 +159,18 @@ class Change(object):
return '<Change 0x%x %s,%s>' % (id(self), self.number, self.patchset)
def formatStatus(self, indent=0):
indent_str = ' '*indent
indent_str = ' ' * indent
ret = ''
ret += '%sProject %s change %s,%s\n' % (indent_str,
self.project.name,
self.number,
self.number,
self.patchset)
for job in self.project.getJobs(self.queue_name):
result = self.jobs.get(job.name)
ret += '%s %s: %s\n' % (indent_str, job.name, result)
if self.change_ahead:
ret += '%sWaiting on:\n' % (indent_str)
ret += self.change_ahead.formatStatus(indent+2)
ret += self.change_ahead.formatStatus(indent + 2)
return ret
def formatReport(self):
@ -173,7 +179,7 @@ class Change(object):
ret += 'Build successful\n\n'
else:
ret += 'Build failed\n\n'
for job in self.project.getJobs(self.queue_name):
result = self.jobs.get(job.name)
url = self.job_urls.get(job.name, job.name)
@ -222,7 +228,7 @@ class Change(object):
def areAllJobsComplete(self):
tree = self.project.getJobTreeForQueue(self.queue_name)
for job in tree.getJobs():
if not self.jobs.has_key(job.name):
if not job.name in self.jobs:
return False
return True
@ -236,6 +242,7 @@ class Change(object):
if self.change_behind:
self.change_behind.change_ahead = None
class TriggerEvent(object):
def __init__(self):
self.data = None
@ -250,17 +257,19 @@ class TriggerEvent(object):
def __str__(self):
ret = '<TriggerEvent %s %s' % (self.type, self.project_name)
if self.branch:
ret += " %s" % self.branch
if self.change_number:
ret += " %s,%s" % (self.change_number, self.patch_number)
if self.approvals:
ret += ' '+', '.join(['%s:%s' % (a['type'], a['value']) for a in self.approvals])
ret += ' ' + ', '.join(
['%s:%s' % (a['type'], a['value']) for a in self.approvals])
ret += '>'
return ret
class EventFilter(object):
def __init__(self, types=[], branches=[], refs=[], approvals=[]):
self._types = types
@ -273,7 +282,7 @@ class EventFilter(object):
def __str__(self):
ret = '<EventFilter'
if self._types:
ret += ' types: %s' % ', '.join(self._types)
if self._branches:
@ -281,7 +290,8 @@ class EventFilter(object):
if self._refs:
ret += ' refs: %s' % ', '.join(self._refs)
if self.approvals:
ret += ' approvals: %s' % ', '.join(['%s:%s' % a for a in self.approvals.items()])
ret += ' approvals: %s' % ', '.join(
['%s:%s' % a for a in self.approvals.items()])
ret += '>'
return ret
@ -322,5 +332,6 @@ class EventFilter(object):
if (normalizeCategory(eapproval['description']) == category and
int(eapproval['value']) == int(value)):
matches_approval = True
if not matches_approval: return False
if not matches_approval:
return False
return True

84
zuul/scheduler.py
View File

@ -18,9 +18,9 @@ import threading
import logging
import yaml
from model import Job, Change, Project, ChangeQueue, EventFilter
class Scheduler(object):
log = logging.getLogger("zuul.Scheduler")
@ -39,7 +39,8 @@ class Scheduler(object):
def _parseConfig(self, fp):
def toList(item):
if not item: return []
if not item:
return []
if type(item) == type([]):
return item
return [item]
@ -50,11 +51,10 @@ class Scheduler(object):
raise Exception("Unable to read layout config file at %s" % fp)
fp = open(fp)
data = yaml.load(fp)
import pprint
pprint.pprint(data)
for config_queue in data['queue']:
manager = globals()[config_queue['manager']](self, config_queue['name'])
manager = globals()[config_queue['manager']](self,
config_queue['name'])
self.queue_managers[config_queue['name']] = manager
manager.success_action = config_queue.get('success')
manager.failure_action = config_queue.get('failure')
@ -62,7 +62,7 @@ class Scheduler(object):
approvals = {}
for approval_dict in toList(trigger.get('approval')):
for k, v in approval_dict.items():
approvals[k]=v
approvals[k] = v
f = EventFilter(types=toList(trigger['event']),
branches=toList(trigger.get('branch')),
refs=toList(trigger.get('ref')),
@ -97,12 +97,10 @@ class Scheduler(object):
project = Project(config_project['name'])
self.projects[config_project['name']] = project
for qname in self.queue_managers.keys():
if config_project.has_key(qname):
print project, qname
if qname in config_project:
job_tree = project.addQueue(qname)
config_jobs = config_project[qname]
add_jobs(job_tree, config_jobs)
# TODO(jeblair): check that we don't end up with jobs like
# "foo - bar" because a ':' is missing in the yaml for a dependent job
@ -110,7 +108,7 @@ class Scheduler(object):
manager._postConfig()
def getJob(self, name):
if self.jobs.has_key(name):
if name in self.jobs:
return self.jobs[name]
job = Job(name)
self.jobs[name] = job
@ -166,7 +164,7 @@ class Scheduler(object):
self.log.info("Adding %s, %s to to %s" % (
project, change, manager))
manager.addChange(change)
def process_result_queue(self):
self.log.debug("Fetching result event")
build = self.result_event_queue.get()
@ -175,6 +173,7 @@ class Scheduler(object):
if manager.onBuildCompleted(build):
return
class BaseQueueManager(object):
log = logging.getLogger("zuul.BaseQueueManager")
@ -195,17 +194,19 @@ class BaseQueueManager(object):
for e in self.event_filters:
self.log.info(" %s" % e)
self.log.info(" Projects:")
def log_jobs(tree, indent=0):
istr = ' '+' '*indent
istr = ' ' + ' ' * indent
if tree.job:
efilters = ''
for e in tree.job.event_filters:
efilters += str(e)
if efilters:
efilters = ' '+efilters
efilters = ' ' + efilters
self.log.info("%s%s%s" % (istr, repr(tree.job), efilters))
for x in tree.job_trees:
log_jobs(x, indent+2)
log_jobs(x, indent + 2)
for p in self.sched.projects.values():
if p.hasQueue(self.name):
self.log.info(" %s" % p)
@ -217,15 +218,12 @@ class BaseQueueManager(object):
self.log.info(" On failure:")
self.log.info(" %s" % self.failure_action)
def eventMatches(self, event):
for ef in self.event_filters:
print ef
if ef.matches(event):
return True
return False
def addChange(self, change):
self.log.debug("Adding change %s" % change)
self.launchJobs(change)
@ -241,12 +239,12 @@ class BaseQueueManager(object):
build, job, change))
change.addBuild(build)
except:
self.log.exception("Exception while launching job %s for change %s:" % (
job, change))
self.log.exception("Exception while launching job %s \
for change %s:" % (job, change))
def onBuildCompleted(self, build):
self.log.debug("Build %s completed" % build)
if not self.building_jobs.has_key(build):
if build not in self.building_jobs:
self.log.warning("Build %s not found (may have been canceled)" % (
build))
# Or triggered externally, or triggered before zuul started,
@ -291,15 +289,16 @@ class BaseQueueManager(object):
if ret:
self.log.error("Reporting change %s received: %s" % (
change, ret))
print ret
except:
self.log.exception("Exception while reporting:")
return ret
class IndependentQueueManager(BaseQueueManager):
log = logging.getLogger("zuul.IndependentQueueManager")
pass
class DependentQueueManager(BaseQueueManager):
log = logging.getLogger("zuul.DependentQueueManager")
@ -335,7 +334,7 @@ class DependentQueueManager(BaseQueueManager):
if not merged_a:
self.log.debug("Keeping queue %s" % (a))
new_change_queues.append(a)
self.change_queues = new_change_queues
self.log.info(" Shared change queues:")
for x in self.change_queues:
@ -346,7 +345,7 @@ class DependentQueueManager(BaseQueueManager):
if project in queue.projects:
return queue
self.log.error("Unable to find change queue for project %s" % project)
def addChange(self, change):
self.log.debug("Adding change %s" % change)
change_queue = self.getQueue(change.project)
@ -368,15 +367,15 @@ class DependentQueueManager(BaseQueueManager):
for job in change.findJobsToRun():
self.log.debug("Found job %s for change %s" % (job, change))
try:
build = self.sched.launcher.launch(job, change,
build = self.sched.launcher.launch(job, change,
dependent_changes)
self.building_jobs[build] = change
self.log.debug("Adding build %s of job %s to change %s" % (
build, job, change))
change.addBuild(build)
except:
self.log.exception("Exception while launching job %s for change %s:" % (
job, change))
self.log.exception("Exception while launching job %s \
for change %s:" % (job, change))
if change.change_behind:
self.log.debug("Launching jobs for change %s, behind change %s" % (
change.change_behind, change))
@ -393,22 +392,22 @@ class DependentQueueManager(BaseQueueManager):
try:
self.sched.launcher.cancel(build)
except:
self.log.exception("Exception while canceling build %s for change %s" % (
build, change))
self.log.exception("Exception while canceling build %s \
for change %s" % (build, change))
to_remove.append(build)
for build in to_remove:
self.log.debug("Removing build %s from running builds" % build)
del self.building_jobs[build]
if change.change_behind:
self.log.debug("Canceling jobs for change %s, behind change %s" % (
change.change_behind, change))
self.log.debug("Canceling jobs for change %s, \
behind change %s" % (change.change_behind, change))
self.cancelJobs(change.change_behind)
def possiblyReportChange(self, change):
self.log.debug("Possibly reporting change %s" % change)
if not change.change_ahead:
self.log.debug("Change %s is at the front of the queue, reporting" % (
change))
self.log.debug("Change %s is at the front of the queue, \
reporting" % (change))
ret = self.reportChange(change)
self.log.debug("Removing reported change %s from queue" % change)
change.delete()
@ -417,21 +416,22 @@ class DependentQueueManager(BaseQueueManager):
if merged:
merged = self.sched.trigger.isMerged(change)
succeeded = change.didAllJobsSucceed()
self.log.info("Reported change %s status: all-succeeded: %s, merged: %s" % (
change, succeeded, merged))
self.log.info("Reported change %s status: all-succeeded: %s, \
merged: %s" % (change, succeeded, merged))
if not (succeeded and merged):
self.log.debug("Reported change %s failed tests or failed to merge" % (
change))
self.log.debug("Reported change %s failed tests or failed \
to merge" % (change))
# The merge or test failed, re-run all jobs behind this one
if change.change_behind:
self.log.info("Canceling/relaunching jobs for change %s behind failed change %s" % (
self.log.info("Canceling/relaunching jobs for change %s \
behind failed change %s" % (
change.change_behind, change))
self.cancelJobs(change.change_behind)
self.launchJobs(change.change_behind)
# If the change behind this is ready, notify
if (change.change_behind and
if (change.change_behind and
change.change_behind.areAllJobsComplete()):
self.log.info("Change %s behind change %s is ready, possibly reporting" % (
change.change_behind, change))
self.log.info("Change %s behind change %s is ready, \
possibly reporting" % (change.change_behind, change))
self.possiblyReportChange(change.change_behind)

6
zuul/trigger/gerrit.py
View File

@ -17,6 +17,7 @@ import logging
from zuul.lib import gerrit
from zuul.model import TriggerEvent
class GerritEventConnector(threading.Thread):
"""Move events from Gerrit to the scheduler."""
@ -27,7 +28,6 @@ class GerritEventConnector(threading.Thread):
self.gerrit = gerrit
self.sched = sched
def _handleEvent(self):
data = self.gerrit.getEvent()
event = TriggerEvent()
@ -44,7 +44,6 @@ class GerritEventConnector(threading.Thread):
event.approvals = data.get('approvals')
self.sched.addEvent(event)
def run(self):
while True:
try:
@ -70,7 +69,6 @@ class Gerrit(object):
self.gerrit, sched)
self.gerrit_connector.start()
def report(self, change, message, action):
self.log.debug("Report change %s, action %s, message: %s" %
(change, action, message))
@ -78,7 +76,6 @@ class Gerrit(object):
return self.gerrit.review(change.project.name, changeid,
message, action)
def isMerged(self, change):
self.log.debug("Checking if change %s is merged", change)
data = self.gerrit.query(change.number)
@ -90,4 +87,3 @@ class Gerrit(object):
self.log.debug("Change %s status: %s" % (change, status))
if status == 'MERGED' or status == 'SUBMITTED':
return True