128 lines
4.4 KiB
Go
128 lines
4.4 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package gce
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import compute "google.golang.org/api/compute/v1"
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func newInstanceGroupMetricContext(request string, zone string) *metricContext {
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return newGenericMetricContext("instancegroup", request, unusedMetricLabel, zone, computeV1Version)
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}
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// CreateInstanceGroup creates an instance group with the given
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// instances. It is the callers responsibility to add named ports.
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func (gce *GCECloud) CreateInstanceGroup(ig *compute.InstanceGroup, zone string) error {
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mc := newInstanceGroupMetricContext("create", zone)
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op, err := gce.service.InstanceGroups.Insert(gce.projectID, zone, ig).Do()
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if err != nil {
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return mc.Observe(err)
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}
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return gce.waitForZoneOp(op, zone, mc)
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}
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// DeleteInstanceGroup deletes an instance group.
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func (gce *GCECloud) DeleteInstanceGroup(name string, zone string) error {
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mc := newInstanceGroupMetricContext("delete", zone)
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op, err := gce.service.InstanceGroups.Delete(
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gce.projectID, zone, name).Do()
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if err != nil {
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return mc.Observe(err)
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}
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return gce.waitForZoneOp(op, zone, mc)
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}
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// ListInstanceGroups lists all InstanceGroups in the project and
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// zone.
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func (gce *GCECloud) ListInstanceGroups(zone string) (*compute.InstanceGroupList, error) {
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mc := newInstanceGroupMetricContext("list", zone)
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// TODO: use PageToken to list all not just the first 500
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v, err := gce.service.InstanceGroups.List(gce.projectID, zone).Do()
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return v, mc.Observe(err)
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}
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// ListInstancesInInstanceGroup lists all the instances in a given
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// instance group and state.
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func (gce *GCECloud) ListInstancesInInstanceGroup(name string, zone string, state string) (*compute.InstanceGroupsListInstances, error) {
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mc := newInstanceGroupMetricContext("list_instances", zone)
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// TODO: use PageToken to list all not just the first 500
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v, err := gce.service.InstanceGroups.ListInstances(
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gce.projectID, zone, name,
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&compute.InstanceGroupsListInstancesRequest{InstanceState: state}).Do()
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return v, mc.Observe(err)
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}
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// AddInstancesToInstanceGroup adds the given instances to the given
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// instance group.
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func (gce *GCECloud) AddInstancesToInstanceGroup(name string, zone string, instanceRefs []*compute.InstanceReference) error {
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mc := newInstanceGroupMetricContext("add_instances", zone)
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if len(instanceRefs) == 0 {
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return nil
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}
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op, err := gce.service.InstanceGroups.AddInstances(
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gce.projectID, zone, name,
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&compute.InstanceGroupsAddInstancesRequest{
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Instances: instanceRefs,
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}).Do()
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if err != nil {
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return mc.Observe(err)
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}
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return gce.waitForZoneOp(op, zone, mc)
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}
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// RemoveInstancesFromInstanceGroup removes the given instances from
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// the instance group.
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func (gce *GCECloud) RemoveInstancesFromInstanceGroup(name string, zone string, instanceRefs []*compute.InstanceReference) error {
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mc := newInstanceGroupMetricContext("remove_instances", zone)
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if len(instanceRefs) == 0 {
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return nil
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}
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op, err := gce.service.InstanceGroups.RemoveInstances(
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gce.projectID, zone, name,
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&compute.InstanceGroupsRemoveInstancesRequest{
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Instances: instanceRefs,
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}).Do()
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if err != nil {
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return mc.Observe(err)
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}
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return gce.waitForZoneOp(op, zone, mc)
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}
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// SetNamedPortsOfInstanceGroup sets the list of named ports on a given instance group
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func (gce *GCECloud) SetNamedPortsOfInstanceGroup(igName, zone string, namedPorts []*compute.NamedPort) error {
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mc := newInstanceGroupMetricContext("set_namedports", zone)
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op, err := gce.service.InstanceGroups.SetNamedPorts(
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gce.projectID, zone, igName,
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&compute.InstanceGroupsSetNamedPortsRequest{NamedPorts: namedPorts}).Do()
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if err != nil {
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return mc.Observe(err)
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}
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return gce.waitForZoneOp(op, zone, mc)
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}
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// GetInstanceGroup returns an instance group by name.
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func (gce *GCECloud) GetInstanceGroup(name string, zone string) (*compute.InstanceGroup, error) {
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mc := newInstanceGroupMetricContext("get", zone)
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v, err := gce.service.InstanceGroups.Get(gce.projectID, zone, name).Do()
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return v, mc.Observe(err)
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}
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