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path: root/lib/python2.7/site-packages/buildbot-0.8.8-py2.7.egg/buildbot/status/status_gerrit.py
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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


"""Push events to gerrit

."""

from buildbot.status.base import StatusReceiverMultiService
from buildbot.status.builder import Results, SUCCESS, RETRY
from twisted.internet import reactor
from twisted.internet.protocol import ProcessProtocol

def defaultReviewCB(builderName, build, result, status, arg):
    if result == RETRY:
        return None, 0, 0

    message =  "Buildbot finished compiling your patchset\n"
    message += "on configuration: %s\n" % builderName
    message += "The result is: %s\n" % Results[result].upper()

    # message, verified, reviewed
    return message, (result == SUCCESS or -1), 0

class GerritStatusPush(StatusReceiverMultiService):
    """Event streamer to a gerrit ssh server."""

    def __init__(self, server, username, reviewCB=defaultReviewCB,
                startCB=None, port=29418, reviewArg=None,
                startArg=None, **kwargs):
        """
        @param server:    Gerrit SSH server's address to use for push event notifications.
        @param username:  Gerrit SSH server's username.
        @param reviewCB:  Callback that is called each time a build is finished, and that is used
                          to define the message and review approvals depending on the build result.
        @param startCB:   Callback that is called each time a build is started.
                          Used to define the message sent to Gerrit.
        @param port:      Gerrit SSH server's port.
        @param reviewArg: Optional argument passed to the review callback.
        @param startArg:  Optional argument passed to the start callback.
        """
        StatusReceiverMultiService.__init__(self)
        # Parameters.
        self.gerrit_server = server
        self.gerrit_username = username
        self.gerrit_port = port
        self.reviewCB = reviewCB
        self.reviewArg = reviewArg
        self.startCB = startCB
        self.startArg = startArg

    class LocalPP(ProcessProtocol):
        def __init__(self, status):
            self.status = status

        def outReceived(self, data):
            print "gerritout:", data

        def errReceived(self, data):
            print "gerriterr:", data

        def processEnded(self, status_object):
            if status_object.value.exitCode:
                print "gerrit status: ERROR:", status_object
            else:
                print "gerrit status: OK"

    def startService(self):
        print """Starting up."""
        StatusReceiverMultiService.startService(self)
        self.status = self.parent.getStatus()
        self.status.subscribe(self)

    def builderAdded(self, name, builder):
        return self # subscribe to this builder

    def buildStarted(self, builderName, build):
        if self.startCB is not None:
            message = self.startCB(builderName, build, self.startArg)
            self.sendCodeReviews(build, message)

    def buildFinished(self, builderName, build, result):
        """Do the SSH gerrit verify command to the server."""
        message, verified, reviewed = self.reviewCB(builderName, build, result, self.status, self.reviewArg)
        self.sendCodeReviews(build, message, verified, reviewed)

    def sendCodeReviews(self, build, message, verified=0, reviewed=0):
        if message is None:
            return

        # Gerrit + Repo
        downloads = build.getProperty("repo_downloads")
        downloaded = build.getProperty("repo_downloaded")
        if downloads is not None and downloaded is not None:
            downloaded = downloaded.split(" ")
            if downloads and 2 * len(downloads) == len(downloaded):
                for i in range(0, len(downloads)):
                    try:
                        project, change1 = downloads[i].split(" ")
                    except ValueError:
                        return # something is wrong, abort
                    change2 = downloaded[2 * i]
                    revision = downloaded[2 * i + 1]
                    if change1 == change2:
                        self.sendCodeReview(project, revision, message, verified, reviewed)
                    else:
                        return # something is wrong, abort
            return

        # Gerrit + Git
        if build.getProperty("gerrit_branch") is not None: # used only to verify Gerrit source
            project = build.getProperty("project")
            revision = build.getProperty("got_revision")

            # review doesn't really work with multiple revisions, so let's
            # just assume it's None there
            if isinstance(revision, dict):
                revision = None

            if project is not None and revision is not None:
                self.sendCodeReview(project, revision, message, verified, reviewed)
                return

    def sendCodeReview(self, project, revision, message=None, verified=0, reviewed=0):
        command = ["ssh", self.gerrit_username + "@" + self.gerrit_server, "-p %d" % self.gerrit_port,
                   "gerrit", "review", "--project %s" % str(project)]
        if message:
            command.append("--message '%s'" % message.replace("'","\""))
        if verified:
            command.extend(["--verified %d" % int(verified)])
        if reviewed:
            command.extend(["--code-review %d" % int(reviewed)])
        command.append(str(revision))
        print command
        reactor.spawnProcess(self.LocalPP(self), "ssh", command)

# vim: set ts=4 sts=4 sw=4 et: