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|
# This file is part of Buildbot. Buildbot is free software: you can
# redistribute it and/or modify it under the terms of the GNU General Public
# License as published by the Free Software Foundation, version 2.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright Buildbot Team Members
from __future__ import with_statement
import os
import random
import re
import sys
import time
from twisted.cred import credentials
from twisted.internet import defer
from twisted.internet import protocol
from twisted.internet import reactor
from twisted.internet import task
from twisted.internet import utils
from twisted.python import log
from twisted.python.procutils import which
from twisted.spread import pb
from buildbot.sourcestamp import SourceStamp
from buildbot.status import builder
from buildbot.util import json
from buildbot.util import now
from buildbot.util.eventual import fireEventually
class SourceStampExtractor:
def __init__(self, treetop, branch, repository):
self.treetop = treetop
self.repository = repository
self.branch = branch
exes = which(self.vcexe)
if not exes:
print "Could not find executable '%s'." % self.vcexe
sys.exit(1)
self.exe = exes[0]
def dovc(self, cmd):
"""This accepts the arguments of a command, without the actual
command itself."""
env = os.environ.copy()
env['LC_ALL'] = "C"
d = utils.getProcessOutputAndValue(self.exe, cmd, env=env,
path=self.treetop)
d.addCallback(self._didvc, cmd)
return d
def _didvc(self, res, cmd):
(stdout, stderr, code) = res
# 'bzr diff' sets rc=1 if there were any differences.
# cvs does something similar, so don't bother requring rc=0.
return stdout
def get(self):
"""Return a Deferred that fires with a SourceStamp instance."""
d = self.getBaseRevision()
d.addCallback(self.getPatch)
d.addCallback(self.done)
return d
def readPatch(self, diff, patchlevel):
if not diff:
diff = None
self.patch = (patchlevel, diff)
def done(self, res):
if not self.repository:
self.repository = self.treetop
# TODO: figure out the branch and project too
ss = SourceStamp(self.branch, self.baserev, self.patch,
repository=self.repository)
return ss
class CVSExtractor(SourceStampExtractor):
patchlevel = 0
vcexe = "cvs"
def getBaseRevision(self):
# this depends upon our local clock and the repository's clock being
# reasonably synchronized with each other. We express everything in
# UTC because the '%z' format specifier for strftime doesn't always
# work.
self.baserev = time.strftime("%Y-%m-%d %H:%M:%S +0000",
time.gmtime(now()))
return defer.succeed(None)
def getPatch(self, res):
# the -q tells CVS to not announce each directory as it works
if self.branch is not None:
# 'cvs diff' won't take both -r and -D at the same time (it
# ignores the -r). As best I can tell, there is no way to make
# cvs give you a diff relative to a timestamp on the non-trunk
# branch. A bare 'cvs diff' will tell you about the changes
# relative to your checked-out versions, but I know of no way to
# find out what those checked-out versions are.
print "Sorry, CVS 'try' builds don't work with branches"
sys.exit(1)
args = ['-q', 'diff', '-u', '-D', self.baserev]
d = self.dovc(args)
d.addCallback(self.readPatch, self.patchlevel)
return d
class SVNExtractor(SourceStampExtractor):
patchlevel = 0
vcexe = "svn"
def getBaseRevision(self):
d = self.dovc(["status", "-u"])
d.addCallback(self.parseStatus)
return d
def parseStatus(self, res):
# svn shows the base revision for each file that has been modified or
# which needs an update. You can update each file to a different
# version, so each file is displayed with its individual base
# revision. It also shows the repository-wide latest revision number
# on the last line ("Status against revision: \d+").
# for our purposes, we use the latest revision number as the "base"
# revision, and get a diff against that. This means we will get
# reverse-diffs for local files that need updating, but the resulting
# tree will still be correct. The only weirdness is that the baserev
# that we emit may be different than the version of the tree that we
# first checked out.
# to do this differently would probably involve scanning the revision
# numbers to find the max (or perhaps the min) revision, and then
# using that as a base.
for line in res.split("\n"):
m = re.search(r'^Status against revision:\s+(\d+)', line)
if m:
self.baserev = int(m.group(1))
return
print "Could not find 'Status against revision' in SVN output: %s" % res
sys.exit(1)
def getPatch(self, res):
d = self.dovc(["diff", "-r%d" % self.baserev])
d.addCallback(self.readPatch, self.patchlevel)
return d
class BzrExtractor(SourceStampExtractor):
patchlevel = 0
vcexe = "bzr"
def getBaseRevision(self):
d = self.dovc(["revision-info", "-rsubmit:"])
d.addCallback(self.get_revision_number)
return d
def get_revision_number(self, out):
revno, revid = out.split()
self.baserev = 'revid:' + revid
return
def getPatch(self, res):
d = self.dovc(["diff", "-r%s.." % self.baserev])
d.addCallback(self.readPatch, self.patchlevel)
return d
class MercurialExtractor(SourceStampExtractor):
patchlevel = 1
vcexe = "hg"
def getBaseRevision(self):
upstream = ""
if self.repository:
upstream = "r'%s'" % self.repository
d = self.dovc(["log", "--template", "{node}\\n", "-r", "limit(parents(outgoing(%s) and branch(parents())) or parents(), 1)" % upstream])
d.addCallback(self.parseStatus)
return d
def parseStatus(self, output):
m = re.search(r'^(\w+)', output)
self.baserev = m.group(0)
def getPatch(self, res):
d = self.dovc(["diff", "-r", self.baserev])
d.addCallback(self.readPatch, self.patchlevel)
return d
class PerforceExtractor(SourceStampExtractor):
patchlevel = 0
vcexe = "p4"
def getBaseRevision(self):
d = self.dovc(["changes", "-m1", "..."])
d.addCallback(self.parseStatus)
return d
def parseStatus(self, res):
#
# extract the base change number
#
m = re.search(r'Change (\d+)', res)
if m:
self.baserev = m.group(1)
return
print "Could not find change number in output: %s" % res
sys.exit(1)
def readPatch(self, res, patchlevel):
#
# extract the actual patch from "res"
#
if not self.branch:
print "you must specify a branch"
sys.exit(1)
mpatch = ""
found = False
for line in res.split("\n"):
m = re.search('==== //depot/' + self.branch
+ r'/([\w\/\.\d\-\_]+)#(\d+) -', line)
if m:
mpatch += "--- %s#%s\n" % (m.group(1), m.group(2))
mpatch += "+++ %s\n" % (m.group(1))
found = True
else:
mpatch += line
mpatch += "\n"
if not found:
print "could not parse patch file"
sys.exit(1)
self.patch = (patchlevel, mpatch)
def getPatch(self, res):
d = self.dovc(["diff"])
d.addCallback(self.readPatch, self.patchlevel)
return d
class DarcsExtractor(SourceStampExtractor):
patchlevel = 1
vcexe = "darcs"
def getBaseRevision(self):
d = self.dovc(["changes", "--context"])
d.addCallback(self.parseStatus)
return d
def parseStatus(self, res):
self.baserev = res # the whole context file
def getPatch(self, res):
d = self.dovc(["diff", "-u"])
d.addCallback(self.readPatch, self.patchlevel)
return d
class GitExtractor(SourceStampExtractor):
patchlevel = 1
vcexe = "git"
config = None
def getBaseRevision(self):
# If a branch is specified, parse out the rev it points to
# and extract the local name (assuming it has a slash).
# This may break if someone specifies the name of a local
# branch that has a slash in it and has no corresponding
# remote branch (or something similarly contrived).
if self.branch:
d = self.dovc(["rev-parse", self.branch])
if '/' in self.branch:
self.branch = self.branch.split('/', 1)[1]
d.addCallback(self.override_baserev)
return d
d = self.dovc(["branch", "--no-color", "-v", "--no-abbrev"])
d.addCallback(self.parseStatus)
return d
def readConfig(self):
if self.config:
return defer.succeed(self.config)
d = self.dovc(["config", "-l"])
d.addCallback(self.parseConfig)
return d
def parseConfig(self, res):
self.config = {}
for l in res.split("\n"):
if l.strip():
parts = l.strip().split("=", 2)
self.config[parts[0]] = parts[1]
return self.config
def parseTrackingBranch(self, res):
# If we're tracking a remote, consider that the base.
remote = self.config.get("branch." + self.branch + ".remote")
ref = self.config.get("branch." + self.branch + ".merge")
if remote and ref:
remote_branch = ref.split("/", 3)[-1]
d = self.dovc(["rev-parse", remote + "/" + remote_branch])
d.addCallback(self.override_baserev)
return d
def override_baserev(self, res):
self.baserev = res.strip()
def parseStatus(self, res):
# The current branch is marked by '*' at the start of the
# line, followed by the branch name and the SHA1.
#
# Branch names may contain pretty much anything but whitespace.
m = re.search(r'^\* (\S+)\s+([0-9a-f]{40})', res, re.MULTILINE)
if m:
self.baserev = m.group(2)
self.branch = m.group(1)
d = self.readConfig()
d.addCallback(self.parseTrackingBranch)
return d
print "Could not find current GIT branch: %s" % res
sys.exit(1)
def getPatch(self, res):
d = self.dovc(["diff", self.baserev])
d.addCallback(self.readPatch, self.patchlevel)
return d
class MonotoneExtractor(SourceStampExtractor):
patchlevel = 0
vcexe = "mtn"
def getBaseRevision(self):
d = self.dovc(["automate", "get_base_revision_id"])
d.addCallback(self.parseStatus)
return d
def parseStatus(self, output):
hash = output.strip()
if len(hash) != 40:
self.baserev = None
self.baserev = hash
def getPatch(self, res):
d = self.dovc(["diff"])
d.addCallback(self.readPatch, self.patchlevel)
return d
def getSourceStamp(vctype, treetop, branch=None, repository=None):
if vctype == "cvs":
cls = CVSExtractor
elif vctype == "svn":
cls = SVNExtractor
elif vctype == "bzr":
cls = BzrExtractor
elif vctype == "hg":
cls = MercurialExtractor
elif vctype == "p4":
cls = PerforceExtractor
elif vctype == "darcs":
cls = DarcsExtractor
elif vctype == "git":
cls = GitExtractor
elif vctype == "mtn":
cls = MonotoneExtractor
else:
print "unknown vctype '%s'" % vctype
sys.exit(1)
return cls(treetop, branch, repository).get()
def ns(s):
return "%d:%s," % (len(s), s)
def createJobfile(jobid, branch, baserev, patch_level, patch_body, repository,
project, who, comment, builderNames, properties):
#Determine job file version from provided arguments
if properties:
version = 5
elif comment:
version = 4
elif who:
version = 3
else:
version = 2
job = ""
job += ns(str(version))
if version < 5:
job += ns(jobid)
job += ns(branch)
job += ns(str(baserev))
job += ns("%d" % patch_level)
job += ns(patch_body)
job += ns(repository)
job += ns(project)
if (version >= 3):
job += ns(who)
if (version >= 4):
job += ns(comment)
for bn in builderNames:
job += ns(bn)
else:
job += ns(
json.dumps({
'jobid': jobid, 'branch': branch, 'baserev': str(baserev),
'patch_level': patch_level, 'patch_body': patch_body,
'repository': repository, 'project': project, 'who': who,
'comment': comment, 'builderNames': builderNames,
'properties': properties,
}))
return job
def getTopdir(topfile, start=None):
"""walk upwards from the current directory until we find this topfile"""
if not start:
start = os.getcwd()
here = start
toomany = 20
while toomany > 0:
if os.path.exists(os.path.join(here, topfile)):
return here
next = os.path.dirname(here)
if next == here:
break # we've hit the root
here = next
toomany -= 1
print ("Unable to find topfile '%s' anywhere from %s upwards"
% (topfile, start))
sys.exit(1)
class RemoteTryPP(protocol.ProcessProtocol):
def __init__(self, job):
self.job = job
self.d = defer.Deferred()
def connectionMade(self):
self.transport.write(self.job)
self.transport.closeStdin()
def outReceived(self, data):
sys.stdout.write(data)
def errReceived(self, data):
sys.stderr.write(data)
def processEnded(self, status_object):
sig = status_object.value.signal
rc = status_object.value.exitCode
if sig != None or rc != 0:
self.d.errback(RuntimeError("remote 'buildbot tryserver' failed"
": sig=%s, rc=%s" % (sig, rc)))
return
self.d.callback((sig, rc))
class BuildSetStatusGrabber:
retryCount = 5 # how many times to we try to grab the BuildSetStatus?
retryDelay = 3 # seconds to wait between attempts
def __init__(self, status, bsid):
self.status = status
self.bsid = bsid
def grab(self):
# return a Deferred that either fires with the BuildSetStatus
# reference or errbacks because we were unable to grab it
self.d = defer.Deferred()
# wait a second before querying to give the master's maildir watcher
# a chance to see the job
reactor.callLater(1, self.go)
return self.d
def go(self, dummy=None):
if self.retryCount == 0:
print "couldn't find matching buildset"
sys.exit(1)
self.retryCount -= 1
d = self.status.callRemote("getBuildSets")
d.addCallback(self._gotSets)
def _gotSets(self, buildsets):
for bs, bsid in buildsets:
if bsid == self.bsid:
# got it
self.d.callback(bs)
return
d = defer.Deferred()
d.addCallback(self.go)
reactor.callLater(self.retryDelay, d.callback, None)
class Try(pb.Referenceable):
buildsetStatus = None
quiet = False
printloop = False
def __init__(self, config):
self.config = config
self.connect = self.getopt('connect')
if self.connect not in ['ssh', 'pb']:
print "you must specify a connect style: ssh or pb"
sys.exit(1)
self.builderNames = self.getopt('builders')
self.project = self.getopt('project', '')
self.who = self.getopt('who')
self.comment = self.getopt('comment')
def getopt(self, config_name, default=None):
value = self.config.get(config_name)
if value is None or value == []:
value = default
return value
def createJob(self):
# returns a Deferred which fires when the job parameters have been
# created
# generate a random (unique) string. It would make sense to add a
# hostname and process ID here, but a) I suspect that would cause
# windows portability problems, and b) really this is good enough
self.bsid = "%d-%s" % (time.time(), random.randint(0, 1000000))
# common options
branch = self.getopt("branch")
difffile = self.config.get("diff")
if difffile:
baserev = self.config.get("baserev")
if difffile == "-":
diff = sys.stdin.read()
else:
with open(difffile, "r") as f:
diff = f.read()
if not diff:
diff = None
patch = (self.config['patchlevel'], diff)
ss = SourceStamp(
branch, baserev, patch, repository=self.getopt("repository"))
d = defer.succeed(ss)
else:
vc = self.getopt("vc")
if vc in ("cvs", "svn"):
# we need to find the tree-top
topdir = self.getopt("topdir")
if topdir:
treedir = os.path.expanduser(topdir)
else:
topfile = self.getopt("topfile")
if topfile:
treedir = getTopdir(topfile)
else:
print "Must specify topdir or topfile."
sys.exit(1)
else:
treedir = os.getcwd()
d = getSourceStamp(vc, treedir, branch, self.getopt("repository"))
d.addCallback(self._createJob_1)
return d
def _createJob_1(self, ss):
self.sourcestamp = ss
if self.connect == "ssh":
patchlevel, diff = ss.patch
revspec = ss.revision
if revspec is None:
revspec = ""
self.jobfile = createJobfile(
self.bsid, ss.branch or "", revspec, patchlevel, diff,
ss.repository, self.project, self.who, self.comment,
self.builderNames, self.config.get('properties', {}))
def fakeDeliverJob(self):
# Display the job to be delivered, but don't perform delivery.
ss = self.sourcestamp
print ("Job:\n\tRepository: %s\n\tProject: %s\n\tBranch: %s\n\t"
"Revision: %s\n\tBuilders: %s\n%s"
% (ss.repository, self.project, ss.branch,
ss.revision,
self.builderNames,
ss.patch[1]))
d = defer.Deferred()
d.callback(True)
return d
def deliverJob(self):
# returns a Deferred that fires when the job has been delivered
if self.connect == "ssh":
tryhost = self.getopt("host")
tryuser = self.getopt("username")
trydir = self.getopt("jobdir")
buildbotbin = self.getopt("buildbotbin")
argv = ["ssh", "-l", tryuser, tryhost,
buildbotbin, "tryserver", "--jobdir", trydir]
pp = RemoteTryPP(self.jobfile)
reactor.spawnProcess(pp, argv[0], argv, os.environ)
d = pp.d
return d
if self.connect == "pb":
user = self.getopt("username")
passwd = self.getopt("passwd")
master = self.getopt("master")
tryhost, tryport = master.split(":")
tryport = int(tryport)
f = pb.PBClientFactory()
d = f.login(credentials.UsernamePassword(user, passwd))
reactor.connectTCP(tryhost, tryport, f)
d.addCallback(self._deliverJob_pb)
return d
raise RuntimeError("unknown connecttype '%s', should be 'ssh' or 'pb'"
% self.connect)
def _deliverJob_pb(self, remote):
ss = self.sourcestamp
print "Delivering job; comment=", self.comment
d = remote.callRemote("try",
ss.branch,
ss.revision,
ss.patch,
ss.repository,
self.project,
self.builderNames,
self.who,
self.comment,
self.config.get('properties', {}))
d.addCallback(self._deliverJob_pb2)
return d
def _deliverJob_pb2(self, status):
self.buildsetStatus = status
return status
def getStatus(self):
# returns a Deferred that fires when the builds have finished, and
# may emit status messages while we wait
wait = bool(self.getopt("wait"))
if not wait:
# TODO: emit the URL where they can follow the builds. This
# requires contacting the Status server over PB and doing
# getURLForThing() on the BuildSetStatus. To get URLs for
# individual builds would require we wait for the builds to
# start.
print "not waiting for builds to finish"
return
d = self.running = defer.Deferred()
if self.buildsetStatus:
self._getStatus_1()
return self.running
# contact the status port
# we're probably using the ssh style
master = self.getopt("master")
host, port = master.split(":")
port = int(port)
self.announce("contacting the status port at %s:%d" % (host, port))
f = pb.PBClientFactory()
creds = credentials.UsernamePassword("statusClient", "clientpw")
d = f.login(creds)
reactor.connectTCP(host, port, f)
d.addCallback(self._getStatus_ssh_1)
return self.running
def _getStatus_ssh_1(self, remote):
# find a remotereference to the corresponding BuildSetStatus object
self.announce("waiting for job to be accepted")
g = BuildSetStatusGrabber(remote, self.bsid)
d = g.grab()
d.addCallback(self._getStatus_1)
return d
def _getStatus_1(self, res=None):
if res:
self.buildsetStatus = res
# gather the set of BuildRequests
d = self.buildsetStatus.callRemote("getBuildRequests")
d.addCallback(self._getStatus_2)
def _getStatus_2(self, brs):
self.builderNames = []
self.buildRequests = {}
# self.builds holds the current BuildStatus object for each one
self.builds = {}
# self.outstanding holds the list of builderNames which haven't
# finished yet
self.outstanding = []
# self.results holds the list of build results. It holds a tuple of
# (result, text)
self.results = {}
# self.currentStep holds the name of the Step that each build is
# currently running
self.currentStep = {}
# self.ETA holds the expected finishing time (absolute time since
# epoch)
self.ETA = {}
for n, br in brs:
self.builderNames.append(n)
self.buildRequests[n] = br
self.builds[n] = None
self.outstanding.append(n)
self.results[n] = [None, None]
self.currentStep[n] = None
self.ETA[n] = None
# get new Builds for this buildrequest. We follow each one until
# it finishes or is interrupted.
br.callRemote("subscribe", self)
# now that those queries are in transit, we can start the
# display-status-every-30-seconds loop
if not self.getopt("quiet"):
self.printloop = task.LoopingCall(self.printStatus)
self.printloop.start(3, now=False)
# these methods are invoked by the status objects we've subscribed to
def remote_newbuild(self, bs, builderName):
if self.builds[builderName]:
self.builds[builderName].callRemote("unsubscribe", self)
self.builds[builderName] = bs
bs.callRemote("subscribe", self, 20)
d = bs.callRemote("waitUntilFinished")
d.addCallback(self._build_finished, builderName)
def remote_stepStarted(self, buildername, build, stepname, step):
self.currentStep[buildername] = stepname
def remote_stepFinished(self, buildername, build, stepname, step, results):
pass
def remote_buildETAUpdate(self, buildername, build, eta):
self.ETA[buildername] = now() + eta
def _build_finished(self, bs, builderName):
# we need to collect status from the newly-finished build. We don't
# remove the build from self.outstanding until we've collected
# everything we want.
self.builds[builderName] = None
self.ETA[builderName] = None
self.currentStep[builderName] = "finished"
d = bs.callRemote("getResults")
d.addCallback(self._build_finished_2, bs, builderName)
return d
def _build_finished_2(self, results, bs, builderName):
self.results[builderName][0] = results
d = bs.callRemote("getText")
d.addCallback(self._build_finished_3, builderName)
return d
def _build_finished_3(self, text, builderName):
self.results[builderName][1] = text
self.outstanding.remove(builderName)
if not self.outstanding:
# all done
return self.statusDone()
def printStatus(self):
try:
names = self.buildRequests.keys()
names.sort()
for n in names:
if n not in self.outstanding:
# the build is finished, and we have results
code, text = self.results[n]
t = builder.Results[code]
if text:
t += " (%s)" % " ".join(text)
elif self.builds[n]:
t = self.currentStep[n] or "building"
if self.ETA[n]:
t += " [ETA %ds]" % (self.ETA[n] - now())
else:
t = "no build"
self.announce("%s: %s" % (n, t))
self.announce("")
except Exception:
log.err(None, "printing status")
def statusDone(self):
if self.printloop:
self.printloop.stop()
print "All Builds Complete"
# TODO: include a URL for all failing builds
names = self.buildRequests.keys()
names.sort()
happy = True
for n in names:
code, text = self.results[n]
t = "%s: %s" % (n, builder.Results[code])
if text:
t += " (%s)" % " ".join(text)
print t
if code != builder.SUCCESS:
happy = False
if happy:
self.exitcode = 0
else:
self.exitcode = 1
self.running.callback(self.exitcode)
def getAvailableBuilderNames(self):
# This logs into the master using the PB protocol to
# get the names of the configured builders that can
# be used for the --builder argument
if self.connect == "pb":
user = self.getopt("username")
passwd = self.getopt("passwd")
master = self.getopt("master")
tryhost, tryport = master.split(":")
tryport = int(tryport)
f = pb.PBClientFactory()
d = f.login(credentials.UsernamePassword(user, passwd))
reactor.connectTCP(tryhost, tryport, f)
d.addCallback(self._getBuilderNames, self._getBuilderNames2)
return d
if self.connect == "ssh":
print "Cannot get availble builders over ssh."
sys.exit(1)
raise RuntimeError(
"unknown connecttype '%s', should be 'pb'" % self.connect)
def _getBuilderNames(self, remote, output):
d = remote.callRemote("getAvailableBuilderNames")
d.addCallback(self._getBuilderNames2)
return d
def _getBuilderNames2(self, buildernames):
print "The following builders are available for the try scheduler: "
for buildername in buildernames:
print buildername
def announce(self, message):
if not self.quiet:
print message
def run(self):
# we can't do spawnProcess until we're inside reactor.run(), so get
# funky
print "using '%s' connect method" % self.connect
self.exitcode = 0
d = fireEventually(None)
if bool(self.config.get("get-builder-names")):
d.addCallback(lambda res: self.getAvailableBuilderNames())
else:
d.addCallback(lambda res: self.createJob())
d.addCallback(lambda res: self.announce("job created"))
deliver = self.deliverJob
if bool(self.config.get("dryrun")):
deliver = self.fakeDeliverJob
d.addCallback(lambda res: deliver())
d.addCallback(lambda res: self.announce("job has been delivered"))
d.addCallback(lambda res: self.getStatus())
d.addErrback(self.trapSystemExit)
d.addErrback(log.err)
d.addCallback(self.cleanup)
d.addCallback(lambda res: reactor.stop())
reactor.run()
sys.exit(self.exitcode)
def trapSystemExit(self, why):
why.trap(SystemExit)
self.exitcode = why.value.code
def cleanup(self, res=None):
if self.buildsetStatus:
self.buildsetStatus.broker.transport.loseConnection()
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