Python SlaveStatus.setPaused方法代码示例

# 需要导入模块: from buildbot.status.slave import SlaveStatus [as 别名]
# 或者: from buildbot.status.slave.SlaveStatus import setPaused [as 别名]

#.........这里部分代码省略.........

    def canStartBuild(self):
        """
        I am called when a build is requested to see if this buildslave
        can start a build.  This function can be used to limit overall
        concurrency on the buildslave.

        Note for subclassers: if a slave can become willing to start a build
        without any action on that slave (for example, by a resource in use on
        another slave becoming available), then you must arrange for
        L{maybeStartBuildsForSlave} to be called at that time, or builds on
        this slave will not start.
        """

        if self.slave_status.isPaused():
            return False

        # If we're waiting to shutdown gracefully, then we shouldn't
        # accept any new jobs.
        if self.slave_status.getGraceful():
            return False

        if self.max_builds:
            active_builders = [sb for sb in self.slavebuilders.values()
                               if sb.isBusy()]
            if len(active_builders) >= self.max_builds:
                return False

        if not self.locksAvailable():
            return False

        return True

    def _mail_missing_message(self, subject, text):
        # first, see if we have a MailNotifier we can use. This gives us a
        # fromaddr and a relayhost.
        buildmaster = self.botmaster.master
        for st in buildmaster.status:
            if isinstance(st, MailNotifier):
                break
        else:
            # if not, they get a default MailNotifier, which always uses SMTP
            # to localhost and uses a dummy fromaddr of "buildbot".
            log.msg("buildslave-missing msg using default MailNotifier")
            st = MailNotifier("buildbot")
        # now construct the mail

        m = Message()
        m.set_payload(text)
        m['Date'] = formatdate(localtime=True)
        m['Subject'] = subject
        m['From'] = st.fromaddr
        recipients = self.notify_on_missing
        m['To'] = ", ".join(recipients)
        d = st.sendMessage(m, recipients)
        # return the Deferred for testing purposes
        return d

    def _gracefulChanged(self, graceful):
        """This is called when our graceful shutdown setting changes"""
        self.maybeShutdown()

    @defer.inlineCallbacks
    def shutdown(self):
        """Shutdown the slave"""
        if not self.conn:
            log.msg("no remote; slave is already shut down")
            return

        yield self.conn.remoteShutdown()

    def maybeShutdown(self):
        """Shut down this slave if it has been asked to shut down gracefully,
        and has no active builders."""
        if not self.slave_status.getGraceful():
            return
        active_builders = [sb for sb in self.slavebuilders.values()
                           if sb.isBusy()]
        if active_builders:
            return
        d = self.shutdown()
        d.addErrback(log.err, 'error while shutting down slave')

    def _pauseChanged(self, paused):
        if paused is True:
            self.botmaster.master.status.slavePaused(self.slavename)
        else:
            self.botmaster.master.status.slaveUnpaused(self.slavename)

    def pause(self):
        """Stop running new builds on the slave."""
        self.slave_status.setPaused(True)

    def unpause(self):
        """Restart running new builds on the slave."""
        self.slave_status.setPaused(False)
        self.botmaster.maybeStartBuildsForSlave(self.slavename)

    def isPaused(self):
        return self.slave_status.isPaused()

# 需要导入模块: from buildbot.status.slave import SlaveStatus [as 别名]
# 或者: from buildbot.status.slave.SlaveStatus import setPaused [as 别名]

#.........这里部分代码省略.........
        else:
            # if not, they get a default MailNotifier, which always uses SMTP
            # to localhost and uses a dummy fromaddr of "buildbot".
            log.msg("buildslave-missing msg using default MailNotifier")
            st = MailNotifier("buildbot")
        # now construct the mail

        m = Message()
        m.set_payload(text)
        m['Date'] = formatdate(localtime=True)
        m['Subject'] = subject
        m['From'] = st.fromaddr
        recipients = self.notify_on_missing
        m['To'] = ", ".join(recipients)
        d = st.sendMessage(m, recipients)
        # return the Deferred for testing purposes
        return d

    def _gracefulChanged(self, graceful):
        """This is called when our graceful shutdown setting changes"""
        self.maybeShutdown()

    @defer.inlineCallbacks
    def shutdown(self):
        """Shutdown the slave"""
        if not self.slave:
            log.msg("no remote; slave is already shut down")
            return

        # First, try the "new" way - calling our own remote's shutdown
        # method.  The method was only added in 0.8.3, so ignore NoSuchMethod
        # failures.
        def new_way():
            d = self.slave.callRemote('shutdown')
            d.addCallback(lambda _ : True) # successful shutdown request
            def check_nsm(f):
                f.trap(pb.NoSuchMethod)
                return False # fall through to the old way
            d.addErrback(check_nsm)
            def check_connlost(f):
                f.trap(pb.PBConnectionLost)
                return True # the slave is gone, so call it finished
            d.addErrback(check_connlost)
            return d

        if (yield new_way()):
            return # done!

        # Now, the old way.  Look for a builder with a remote reference to the
        # client side slave.  If we can find one, then call "shutdown" on the
        # remote builder, which will cause the slave buildbot process to exit.
        def old_way():
            d = None
            for b in self.slavebuilders.values():
                if b.remote:
                    d = b.remote.callRemote("shutdown")
                    break

            if d:
                log.msg("Shutting down (old) slave: %s" % self.slavename)
                # The remote shutdown call will not complete successfully since the
                # buildbot process exits almost immediately after getting the
                # shutdown request.
                # Here we look at the reason why the remote call failed, and if
                # it's because the connection was lost, that means the slave
                # shutdown as expected.
                def _errback(why):
                    if why.check(pb.PBConnectionLost):
                        log.msg("Lost connection to %s" % self.slavename)
                    else:
                        log.err("Unexpected error when trying to shutdown %s" % self.slavename)
                d.addErrback(_errback)
                return d
            log.err("Couldn't find remote builder to shut down slave")
            return defer.succeed(None)
        yield old_way()

    def maybeShutdown(self):
        """Shut down this slave if it has been asked to shut down gracefully,
        and has no active builders."""
        if not self.slave_status.getGraceful():
            return
        active_builders = [sb for sb in self.slavebuilders.values()
                           if sb.isBusy()]
        if active_builders:
            return
        d = self.shutdown()
        d.addErrback(log.err, 'error while shutting down slave')

    def pause(self):
        """Stop running new builds on the slave."""
        self.slave_status.setPaused(True)

    def unpause(self):
        """Restart running new builds on the slave."""
        self.slave_status.setPaused(False)
        self.botmaster.maybeStartBuildsForSlave(self.slavename)

    def isPaused(self):
        return self.paused