Ejemplo n.º 1
0
    def _recoverExistingVms(self):
        start_time = utils.monotonic_time()
        try:
            self.log.debug('recovery: started')

            # Starting up libvirt might take long when host under high load,
            # we prefer running this code in external thread to avoid blocking
            # API response.
            mog = min(config.getint('vars', 'max_outgoing_migrations'),
                      numa.cpu_topology().cores)
            migration.SourceThread.ongoingMigrations.bound = mog

            recovery.all_domains(self)

            # recover stage 3: waiting for domains to go up
            self._waitForDomainsUp()

            recovery.clean_vm_files(self)

            self._recovery = False

            # Now if we have VMs to restore we should wait pool connection
            # and then prepare all volumes.
            # Actually, we need it just to get the resources for future
            # volumes manipulations
            self._waitForStoragePool()

            self._preparePathsForRecoveredVMs()

            self.log.info('recovery: completed in %is',
                          utils.monotonic_time() - start_time)

        except:
            self.log.exception("recovery: failed")
            raise
Ejemplo n.º 2
0
    def _recoverExistingVms(self):
        start_time = utils.monotonic_time()
        try:
            self.log.debug('recovery: started')

            # Starting up libvirt might take long when host under high load,
            # we prefer running this code in external thread to avoid blocking
            # API response.
            mog = min(config.getint('vars', 'max_outgoing_migrations'),
                      numa.cpu_topology().cores)
            migration.SourceThread.ongoingMigrations.bound = mog

            recovery.all_domains(self)

            # recover stage 3: waiting for domains to go up
            self._waitForDomainsUp()

            recovery.clean_vm_files(self)

            self._recovery = False

            # Now if we have VMs to restore we should wait pool connection
            # and then prepare all volumes.
            # Actually, we need it just to get the resources for future
            # volumes manipulations
            self._waitForStoragePool()

            self._preparePathsForRecoveredVMs()

            self.log.info('recovery: completed in %is',
                          utils.monotonic_time() - start_time)

        except:
            self.log.exception("recovery: failed")
            raise
Ejemplo n.º 3
0
    def test_without_any_vms(self):

        with namedTemporaryDir() as tmpdir:
            with MonkeyPatchScope([
                (constants, 'P_VDSM_RUN', tmpdir + '/'),
                (recovery, '_list_domains', lambda: []),
                (containersconnection, 'recovery', lambda: []),
            ]):
                fakecif = fake.ClientIF()
                recovery.all_domains(fakecif)
                self.assertEqual(fakecif.vmContainer, {})