| /* |
| Copyright 2017 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package gce |
| |
| import ( |
| compute "google.golang.org/api/compute/v1" |
| |
| "github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud" |
| "github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud/filter" |
| "github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud/meta" |
| ) |
| |
| func newInstanceGroupMetricContext(request string, zone string) *metricContext { |
| return newGenericMetricContext("instancegroup", request, unusedMetricLabel, zone, computeV1Version) |
| } |
| |
| // CreateInstanceGroup creates an instance group with the given |
| // instances. It is the callers responsibility to add named ports. |
| func (g *Cloud) CreateInstanceGroup(ig *compute.InstanceGroup, zone string) error { |
| ctx, cancel := cloud.ContextWithCallTimeout() |
| defer cancel() |
| |
| mc := newInstanceGroupMetricContext("create", zone) |
| return mc.Observe(g.c.InstanceGroups().Insert(ctx, meta.ZonalKey(ig.Name, zone), ig)) |
| } |
| |
| // DeleteInstanceGroup deletes an instance group. |
| func (g *Cloud) DeleteInstanceGroup(name string, zone string) error { |
| ctx, cancel := cloud.ContextWithCallTimeout() |
| defer cancel() |
| |
| mc := newInstanceGroupMetricContext("delete", zone) |
| return mc.Observe(g.c.InstanceGroups().Delete(ctx, meta.ZonalKey(name, zone))) |
| } |
| |
| // ListInstanceGroups lists all InstanceGroups in the project and |
| // zone. |
| func (g *Cloud) ListInstanceGroups(zone string) ([]*compute.InstanceGroup, error) { |
| ctx, cancel := cloud.ContextWithCallTimeout() |
| defer cancel() |
| |
| mc := newInstanceGroupMetricContext("list", zone) |
| v, err := g.c.InstanceGroups().List(ctx, zone, filter.None) |
| return v, mc.Observe(err) |
| } |
| |
| // ListInstancesInInstanceGroup lists all the instances in a given |
| // instance group and state. |
| func (g *Cloud) ListInstancesInInstanceGroup(name string, zone string, state string) ([]*compute.InstanceWithNamedPorts, error) { |
| ctx, cancel := cloud.ContextWithCallTimeout() |
| defer cancel() |
| |
| mc := newInstanceGroupMetricContext("list_instances", zone) |
| req := &compute.InstanceGroupsListInstancesRequest{InstanceState: state} |
| v, err := g.c.InstanceGroups().ListInstances(ctx, meta.ZonalKey(name, zone), req, filter.None) |
| return v, mc.Observe(err) |
| } |
| |
| // AddInstancesToInstanceGroup adds the given instances to the given |
| // instance group. |
| func (g *Cloud) AddInstancesToInstanceGroup(name string, zone string, instanceRefs []*compute.InstanceReference) error { |
| ctx, cancel := cloud.ContextWithCallTimeout() |
| defer cancel() |
| |
| mc := newInstanceGroupMetricContext("add_instances", zone) |
| // TODO: should cull operation above this layer. |
| if len(instanceRefs) == 0 { |
| return nil |
| } |
| req := &compute.InstanceGroupsAddInstancesRequest{ |
| Instances: instanceRefs, |
| } |
| return mc.Observe(g.c.InstanceGroups().AddInstances(ctx, meta.ZonalKey(name, zone), req)) |
| } |
| |
| // RemoveInstancesFromInstanceGroup removes the given instances from |
| // the instance group. |
| func (g *Cloud) RemoveInstancesFromInstanceGroup(name string, zone string, instanceRefs []*compute.InstanceReference) error { |
| ctx, cancel := cloud.ContextWithCallTimeout() |
| defer cancel() |
| |
| mc := newInstanceGroupMetricContext("remove_instances", zone) |
| // TODO: should cull operation above this layer. |
| if len(instanceRefs) == 0 { |
| return nil |
| } |
| req := &compute.InstanceGroupsRemoveInstancesRequest{ |
| Instances: instanceRefs, |
| } |
| return mc.Observe(g.c.InstanceGroups().RemoveInstances(ctx, meta.ZonalKey(name, zone), req)) |
| } |
| |
| // SetNamedPortsOfInstanceGroup sets the list of named ports on a given instance group |
| func (g *Cloud) SetNamedPortsOfInstanceGroup(igName, zone string, namedPorts []*compute.NamedPort) error { |
| ctx, cancel := cloud.ContextWithCallTimeout() |
| defer cancel() |
| |
| mc := newInstanceGroupMetricContext("set_namedports", zone) |
| req := &compute.InstanceGroupsSetNamedPortsRequest{NamedPorts: namedPorts} |
| return mc.Observe(g.c.InstanceGroups().SetNamedPorts(ctx, meta.ZonalKey(igName, zone), req)) |
| } |
| |
| // GetInstanceGroup returns an instance group by name. |
| func (g *Cloud) GetInstanceGroup(name string, zone string) (*compute.InstanceGroup, error) { |
| ctx, cancel := cloud.ContextWithCallTimeout() |
| defer cancel() |
| |
| mc := newInstanceGroupMetricContext("get", zone) |
| v, err := g.c.InstanceGroups().Get(ctx, meta.ZonalKey(name, zone)) |
| return v, mc.Observe(err) |
| } |