Exemplo n.º 1
0
  def LoadClusterConfig(self, args):
    """Load and return ClusterConfig prior to calling a kubectl command.

    Args:
      args: an argparse namespace. All the arguments that were provided to this
        command invocation.

    Returns:
      ClusterConfig for the project,zone,cluster specified by args/properties.

    Raises:
      util.Error: if container API reports cluster is not running.
    """
    name = properties.VALUES.container.cluster.Get(required=True)
    cluster_ref = util.ParseCluster(name, self.context)

    c_config = util.ClusterConfig.Load(
        cluster_ref.clusterId, cluster_ref.zoneId, cluster_ref.projectId)
    if args.purge_config_cache:
      util.ClusterConfig.Purge(
          cluster_ref.clusterId, cluster_ref.zoneId, cluster_ref.projectId)
      c_config = None

    if not c_config or not c_config.has_certs:
      log.status.Print('Fetching cluster endpoint and auth data.')
      # Call DescribeCluster to get auth info and cache for next time
      cluster = util.DescribeCluster(cluster_ref, self.context)
      messages = self.context['container_messages']
      if cluster.status != messages.Cluster.StatusValueValuesEnum.running:
        raise util.Error('cluster %s is not running' % cluster_ref.clusterId)
      c_config = util.ClusterConfig.Persist(
          cluster, cluster_ref.projectId, self.cli)
    return c_config
Exemplo n.º 2
0
    def Run(self, args):
        """This is what gets called when the user runs this command.

    Args:
      args: an argparse namespace. All the arguments that were provided to this
        command invocation.

    Returns:
      Some value that we want to have printed later.
    """
        cluster_ref = util.ParseCluster(args.name, self.context)
        return util.DescribeCluster(cluster_ref, self.context)
Exemplo n.º 3
0
  def Run(self, args):
    """This is what gets called when the user runs this command.

    Args:
      args: an argparse namespace. All the arguments that were provided to this
        command invocation.

    Raises:
      util.Error: if the cluster is unreachable or not running.
    """
    name = properties.VALUES.container.cluster.Get(required=True)
    cluster_ref = util.ParseCluster(name, self.context)

    log.status.Print('Fetching cluster endpoint and auth data.')
    # Call DescribeCluster to get auth info and cache for next time
    cluster = util.DescribeCluster(cluster_ref, self.context)
    messages = self.context['container_messages']
    if cluster.status != messages.Cluster.StatusValueValuesEnum.running:
      raise util.Error('cluster %s is not running' % cluster_ref.clusterId)
    c_config = util.ClusterConfig.Persist(
        cluster, cluster_ref.projectId, self.cli)
    kubeconfig = kconfig.Kubeconfig.Default()
    kubeconfig.SetCurrentContext(c_config.kube_context)
    kubeconfig.SaveToFile()
Exemplo n.º 4
0
    def Run(self, args):
        """This is what gets called when the user runs this command.

    Args:
      args: an argparse namespace. All the arguments that were provided to this
        command invocation.

    Returns:
      Some value that we want to have printed later.
    """
        client = self.context['container_client']
        messages = self.context['container_messages']
        resources = self.context['registry']

        properties.VALUES.compute.zone.Get(required=True)
        properties.VALUES.core.project.Get(required=True)
        cluster_refs = []
        for name in args.names:
            cluster_refs.append(
                resources.Parse(
                    name, collection='container.projects.zones.clusters'))

        if not console_io.PromptContinue(message=util.ConstructList(
                'The following clusters will be deleted.', [
                    '[{name}] in [{zone}]'.format(name=ref.clusterId,
                                                  zone=ref.zoneId)
                    for ref in cluster_refs
                ]),
                                         throw_if_unattended=True):
            raise exceptions.ToolException('Deletion aborted by user.')

        operations = []
        errors = []
        # Issue all deletes first
        for ref in cluster_refs:
            try:
                # Make sure it exists (will raise appropriate error if not)
                util.DescribeCluster(ref, self.context)

                op = client.projects_zones_clusters.Delete(
                    messages.ContainerProjectsZonesClustersDeleteRequest(
                        clusterId=ref.clusterId,
                        zoneId=ref.zoneId,
                        projectId=ref.projectId))
                operations.append((op, ref))
            except apitools_base.HttpError as error:
                errors.append(util.GetError(error))
            except util.Error as error:
                errors.append(error)
        if args.wait:
            # Poll each operation for completion
            for operation, ref in operations:
                try:
                    util.WaitForOperation(
                        operation, ref.projectId, self.context,
                        'Deleting cluster {0}'.format(ref.clusterId))
                    # Purge cached config files
                    util.ClusterConfig.Purge(ref.clusterId, ref.zoneId,
                                             ref.projectId)
                    if properties.VALUES.container.cluster.Get(
                    ) == ref.clusterId:
                        properties.PersistProperty(
                            properties.VALUES.container.cluster, None)

                    log.DeletedResource(ref)
                except apitools_base.HttpError as error:
                    errors.append(util.GetError(error))
                except util.Error as error:
                    errors.append(error)

        if errors:
            raise exceptions.ToolException(
                util.ConstructList('Some requests did not succeed:', errors))
Exemplo n.º 5
0
    def Run(self, args):
        """This is what gets called when the user runs this command.

    Args:
      args: an argparse namespace. All the arguments that were provided to this
        command invocation.

    Returns:
      Cluster message for the successfully created cluster.

    Raises:
      ToolException, if creation failed.
    """
        client = self.context['container_client']
        messages = self.context['container_messages']
        cluster_ref = util.ParseCluster(args.name, self.context)

        if args.password:
            password = args.password
        else:
            password = ''.join(
                random.SystemRandom().choice(string.ascii_letters +
                                             string.digits) for _ in range(16))

        node_config = messages.NodeConfig()
        if args.machine_type:
            node_config.machineType = args.machine_type
        if args.source_image:
            node_config.sourceImage = args.source_image
        node_config.serviceAccounts = self.CreateServiceAccountMessages(
            args, messages)

        create_cluster_req = messages.CreateClusterRequest(
            cluster=messages.Cluster(
                name=cluster_ref.clusterId,
                numNodes=args.num_nodes,
                nodeConfig=node_config,
                masterAuth=messages.MasterAuth(user=args.user,
                                               password=password),
                enableCloudLogging=args.enable_cloud_logging))
        if args.cluster_api_version:
            create_cluster_req.cluster.clusterApiVersion = args.cluster_api_version
        if args.network:
            create_cluster_req.cluster.network = args.network
        if args.container_ipv4_cidr:
            create_cluster_req.cluster.containerIpv4Cidr = args.container_ipv4_cidr

        req = messages.ContainerProjectsZonesClustersCreateRequest(
            createClusterRequest=create_cluster_req,
            projectId=cluster_ref.projectId,
            zoneId=cluster_ref.zoneId)

        cluster = None
        try:
            operation = client.projects_zones_clusters.Create(req)

            if not args.wait:
                return util.DescribeCluster(cluster_ref, self.context)

            operation = util.WaitForOperation(
                operation, cluster_ref.projectId, self.context,
                'Creating cluster {0}'.format(cluster_ref.clusterId))

            # Get Cluster
            cluster = util.DescribeCluster(cluster_ref, self.context)
        except apitools_base.HttpError as error:
            raise exceptions.HttpException(util.GetError(error))

        log.CreatedResource(cluster_ref)
        # Persist cluster config
        c_config = util.ClusterConfig.Persist(cluster, cluster_ref.projectId,
                                              self.cli)
        if c_config:
            if not c_config.has_certs:
                # Purge config so we retry the cert fetch on next kubectl command
                util.ClusterConfig.Purge(cluster.name, cluster.zone,
                                         cluster_ref.projectId)
                # Exit with non-success returncode if certs could not be fetched
                self.exit_code = 1
            else:
                # Set current-context to new cluster if one is not already set
                kubeconfig = kconfig.Kubeconfig.Default()
                if not kubeconfig.current_context:
                    kubeconfig.SetCurrentContext(c_config.kube_context)
                    kubeconfig.SaveToFile()

        return cluster