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Merge pull request #3893 from zengchen1024/cinder_volume_task
Automatic merge from submit-queue. Implement volume task for Openstack platform Implement volume task to create volume for ETCD cluster. Which issue this PR fixes: #3886
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| /* | ||
| 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 openstacktasks | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/golang/glog" | ||
| cinder "github.com/gophercloud/gophercloud/openstack/blockstorage/v2/volumes" | ||
| "k8s.io/kops/upup/pkg/fi" | ||
| "k8s.io/kops/upup/pkg/fi/cloudup/openstack" | ||
| ) | ||
|
|
||
| type Volume struct { | ||
| ID *string | ||
| Name *string | ||
| AvailabilityZone *string | ||
| VolumeType *string | ||
| SizeGB *int64 | ||
| Tags map[string]string | ||
| Lifecycle *fi.Lifecycle | ||
| } | ||
|
|
||
| var _ fi.CompareWithID = &Volume{} | ||
|
|
||
| func (c *Volume) CompareWithID() *string { | ||
| return c.ID | ||
| } | ||
|
|
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| func (c *Volume) Find(context *fi.Context) (*Volume, error) { | ||
| cloud := context.Cloud.(openstack.OpenstackCloud) | ||
| opt := cinder.ListOpts{ | ||
| Name: fi.StringValue(c.Name), | ||
| Metadata: cloud.GetCloudTags(), | ||
| } | ||
| volumes, err := cloud.ListVolumes(opt) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| n := len(volumes) | ||
| if n == 0 { | ||
| return nil, nil | ||
| } else if n != 1 { | ||
| return nil, fmt.Errorf("found multiple Volumes with name: %s", fi.StringValue(c.Name)) | ||
| } | ||
| v := volumes[0] | ||
| actual := &Volume{ | ||
| ID: fi.String(v.ID), | ||
| Name: fi.String(v.Name), | ||
| AvailabilityZone: fi.String(v.AvailabilityZone), | ||
| VolumeType: fi.String(v.VolumeType), | ||
| SizeGB: fi.Int64(int64(v.Size)), | ||
| Tags: v.Metadata, | ||
| Lifecycle: c.Lifecycle, | ||
| } | ||
| return actual, nil | ||
| } | ||
|
|
||
| func (c *Volume) Run(context *fi.Context) error { | ||
| cloud := context.Cloud.(openstack.OpenstackCloud) | ||
| for k, v := range cloud.GetCloudTags() { | ||
| c.Tags[k] = v | ||
| } | ||
|
|
||
| return fi.DefaultDeltaRunMethod(c, context) | ||
| } | ||
|
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| func (_ *Volume) CheckChanges(a, e, changes *Volume) error { | ||
| if a == nil { | ||
| if e.Name == nil { | ||
| return fi.RequiredField("Name") | ||
| } | ||
| if e.AvailabilityZone == nil { | ||
| return fi.RequiredField("AvailabilityZone") | ||
| } | ||
| if e.VolumeType == nil { | ||
| return fi.RequiredField("VolumeType") | ||
| } | ||
| if e.SizeGB == nil { | ||
| return fi.RequiredField("SizeGB") | ||
| } | ||
| } else { | ||
| if changes.ID != nil { | ||
| return fi.CannotChangeField("ID") | ||
| } | ||
| if changes.AvailabilityZone != nil { | ||
| return fi.CannotChangeField("AvailabilityZone") | ||
| } | ||
| if changes.VolumeType != nil { | ||
| return fi.CannotChangeField("VolumeType") | ||
| } | ||
| if changes.SizeGB != nil { | ||
| return fi.CannotChangeField("SizeGB") | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
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| func (_ *Volume) RenderOpenstack(t *openstack.OpenstackAPITarget, a, e, changes *Volume) error { | ||
| if a == nil { | ||
| glog.V(2).Infof("Creating PersistentVolume with Name:%q", fi.StringValue(e.Name)) | ||
|
|
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| opt := cinder.CreateOpts{ | ||
| Size: int(*e.SizeGB), | ||
| AvailabilityZone: fi.StringValue(e.AvailabilityZone), | ||
| Metadata: e.Tags, | ||
| Name: fi.StringValue(e.Name), | ||
| VolumeType: fi.StringValue(e.VolumeType), | ||
| } | ||
|
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| v, err := t.Cloud.CreateVolume(opt) | ||
| if err != nil { | ||
| return fmt.Errorf("error creating PersistentVolume: %v", err) | ||
| } | ||
|
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| e.ID = fi.String(v.ID) | ||
| return nil | ||
| } | ||
|
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| if changes != nil && changes.Tags != nil { | ||
| glog.V(2).Infof("Update the tags on volume %q: %v, the differences are %v", fi.StringValue(e.ID), e.Tags, changes.Tags) | ||
|
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| err := t.Cloud.SetVolumeTags(fi.StringValue(e.ID), e.Tags) | ||
| if err != nil { | ||
| return fmt.Errorf("error updating the tags on volume %q: %v", fi.StringValue(e.ID), err) | ||
| } | ||
| } | ||
|
|
||
| glog.V(2).Infof("Openstack task Volume::RenderOpenstack did nothing") | ||
| return nil | ||
| } |
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