コード例 #1
0
    def _rollback_cluster_scaling(self, cluster, instances, ex):
        """Attempt to rollback cluster scaling."""

        for i in instances:
            with context.set_current_instance_id(i.instance_id):
                self._shutdown_instance(i)

        cluster = conductor.cluster_get(context.ctx(), cluster)
        c_u.clean_cluster_from_empty_ng(cluster)
コード例 #2
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 def test_clean_cluster_from_empty_ng(self):
     ctx = context.ctx()
     cluster = self._make_sample()
     ng = cluster.node_groups[0]
     ng_len = len(cluster.node_groups)
     self.api.node_group_update(ctx, ng, {'count': 0})
     cluster = self.api.cluster_get(ctx, cluster.id)
     cluster_utils.clean_cluster_from_empty_ng(cluster)
     cluster = self.api.cluster_get(ctx, cluster.id)
     self.assertEqual(ng_len - 1, len(cluster.node_groups))
コード例 #3
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ファイル: test_cluster.py プロジェクト: Imperat/sahara
 def test_clean_cluster_from_empty_ng(self):
     ctx = context.ctx()
     cluster = self._make_sample()
     ng = cluster.node_groups[0]
     ng_len = len(cluster.node_groups)
     self.api.node_group_update(ctx, ng, {'count': 0})
     cluster = self.api.cluster_get(ctx, cluster.id)
     cluster_utils.clean_cluster_from_empty_ng(cluster)
     cluster = self.api.cluster_get(ctx, cluster.id)
     self.assertEqual(ng_len - 1, len(cluster.node_groups))
コード例 #4
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ファイル: clusters.py プロジェクト: openstack/sahara
def scale_cluster(id, data):
    context.set_current_cluster_id(id)
    ctx = context.ctx()

    cluster = conductor.cluster_get(ctx, id)
    plugin = plugin_base.PLUGINS.get_plugin(cluster.plugin_name)
    existing_node_groups = data.get('resize_node_groups', [])
    additional_node_groups = data.get('add_node_groups', [])

    # the next map is the main object we will work with
    # to_be_enlarged : {node_group_id: desired_amount_of_instances}
    to_be_enlarged = {}
    node_group_instance_map = {}
    for ng in existing_node_groups:
        ng_id = g.find(cluster.node_groups, name=ng['name'])['id']
        to_be_enlarged.update({ng_id: ng['count']})
        if 'instances' in ng:
            node_group_instance_map.update({ng_id: ng['instances']})

    additional = construct_ngs_for_scaling(cluster, additional_node_groups)
    cluster = conductor.cluster_get(ctx, cluster)
    _add_ports_for_auto_sg(ctx, cluster, plugin)

    try:
        cluster = c_u.change_cluster_status(
            cluster, c_u.CLUSTER_STATUS_VALIDATING)
        quotas.check_scaling(cluster, to_be_enlarged, additional)
        plugin.recommend_configs(cluster, scaling=True)
        plugin.validate_scaling(cluster, to_be_enlarged, additional)
    except Exception as e:
        with excutils.save_and_reraise_exception():
            c_u.clean_cluster_from_empty_ng(cluster)
            c_u.change_cluster_status(
                cluster, c_u.CLUSTER_STATUS_ACTIVE, six.text_type(e))

    # If we are here validation is successful.
    # So let's update to_be_enlarged map:
    to_be_enlarged.update(additional)

    for node_group in cluster.node_groups:
        if node_group.id not in to_be_enlarged:
            to_be_enlarged[node_group.id] = node_group.count

    api.OPS.provision_scaled_cluster(id, to_be_enlarged,
                                     node_group_instance_map)
    return cluster
コード例 #5
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def scale_cluster(id, data):
    context.set_current_cluster_id(id)
    ctx = context.ctx()

    cluster = conductor.cluster_get(ctx, id)
    plugin = plugin_base.PLUGINS.get_plugin(cluster.plugin_name)
    existing_node_groups = data.get('resize_node_groups', [])
    additional_node_groups = data.get('add_node_groups', [])

    # the next map is the main object we will work with
    # to_be_enlarged : {node_group_id: desired_amount_of_instances}
    to_be_enlarged = {}
    node_group_instance_map = {}
    for ng in existing_node_groups:
        ng_id = g.find(cluster.node_groups, name=ng['name'])['id']
        to_be_enlarged.update({ng_id: ng['count']})
        if 'instances' in ng:
            node_group_instance_map.update({ng_id: ng['instances']})

    additional = construct_ngs_for_scaling(cluster, additional_node_groups)
    cluster = conductor.cluster_get(ctx, cluster)
    _add_ports_for_auto_sg(ctx, cluster, plugin)

    try:
        cluster = c_u.change_cluster_status(cluster,
                                            c_u.CLUSTER_STATUS_VALIDATING)
        quotas.check_scaling(cluster, to_be_enlarged, additional)
        plugin.recommend_configs(cluster, scaling=True)
        plugin.validate_scaling(cluster, to_be_enlarged, additional)
    except Exception as e:
        with excutils.save_and_reraise_exception():
            c_u.clean_cluster_from_empty_ng(cluster)
            c_u.change_cluster_status(cluster, c_u.CLUSTER_STATUS_ACTIVE,
                                      six.text_type(e))

    # If we are here validation is successful.
    # So let's update to_be_enlarged map:
    to_be_enlarged.update(additional)

    for node_group in cluster.node_groups:
        if node_group.id not in to_be_enlarged:
            to_be_enlarged[node_group.id] = node_group.count

    api.OPS.provision_scaled_cluster(id, to_be_enlarged,
                                     node_group_instance_map)
    return cluster
コード例 #6
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ファイル: heat_engine.py プロジェクト: egafford/sahara
    def scale_cluster(self, cluster, target_count):
        ctx = context.ctx()

        rollback_count = self._get_ng_counts(cluster)

        self._update_rollback_strategy(cluster, rollback_count=rollback_count,
                                       target_count=target_count)

        inst_ids = self._launch_instances(
            cluster, target_count, SCALE_STAGES,
            update_stack=True, disable_rollback=False)

        cluster = conductor.cluster_get(ctx, cluster)
        c_u.clean_cluster_from_empty_ng(cluster)

        self._update_rollback_strategy(cluster)

        return inst_ids
コード例 #7
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    def scale_cluster(self, cluster, target_count):
        ctx = context.ctx()

        rollback_count = self._get_ng_counts(cluster)

        self._update_rollback_strategy(cluster, rollback_count=rollback_count,
                                       target_count=target_count)

        inst_ids = self._launch_instances(
            cluster, target_count, SCALE_STAGES,
            update_stack=True, disable_rollback=False)

        cluster = conductor.cluster_get(ctx, cluster)
        c_u.clean_cluster_from_empty_ng(cluster)

        self._update_rollback_strategy(cluster)

        return inst_ids
コード例 #8
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    def scale_cluster(self, cluster, node_group_id_map):
        _warning_logger()
        ctx = context.ctx()
        cluster = c_u.change_cluster_status(
            cluster, c_u.CLUSTER_STATUS_SCALING_SPAWNING)

        instance_ids = self._scale_cluster_instances(cluster,
                                                     node_group_id_map)

        self._update_rollback_strategy(cluster, instance_ids=instance_ids)

        cluster = conductor.cluster_get(ctx, cluster)
        c_u.clean_cluster_from_empty_ng(cluster)

        cluster = conductor.cluster_get(ctx, cluster)
        instances = c_u.get_instances(cluster, instance_ids)

        self._await_active(cluster, instances)

        self._assign_floating_ips(instances)

        self._await_networks(cluster, instances)

        cluster = conductor.cluster_get(ctx, cluster)

        volumes.attach_to_instances(
            c_u.get_instances(cluster, instance_ids))

        # we should be here with valid cluster: if instances creation
        # was not successful all extra-instances will be removed above
        if instance_ids:
            self._configure_instances(cluster)

        self._update_rollback_strategy(cluster)

        return instance_ids