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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /* | ||
| Copyright 2022-2024 EscherCloud. | ||
| Copyright 2024 the Unikorn 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 openstack | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/gophercloud/gophercloud/v2" | ||
| "github.com/gophercloud/gophercloud/v2/openstack" | ||
| "github.com/gophercloud/gophercloud/v2/openstack/blockstorage/v3/availabilityzones" | ||
| "go.opentelemetry.io/otel" | ||
| "go.opentelemetry.io/otel/trace" | ||
|
|
||
| "github.com/unikorn-cloud/unikorn/pkg/constants" | ||
| ) | ||
|
|
||
| // BlockStorageClient wraps the generic client because gophercloud is unsafe. | ||
| type BlockStorageClient struct { | ||
| client *gophercloud.ServiceClient | ||
| } | ||
|
|
||
| // NewBlockStorageClient provides a simple one-liner to start computing. | ||
| func NewBlockStorageClient(ctx context.Context, provider CredentialProvider) (*BlockStorageClient, error) { | ||
| providerClient, err := provider.Client(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| client, err := openstack.NewBlockStorageV3(providerClient, gophercloud.EndpointOpts{}) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| c := &BlockStorageClient{ | ||
| client: client, | ||
| } | ||
|
|
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| return c, nil | ||
| } | ||
|
|
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| // AvailabilityZones retrieves block storage availability zones. | ||
| func (c *BlockStorageClient) AvailabilityZones(ctx context.Context) ([]availabilityzones.AvailabilityZone, error) { | ||
| url := c.client.ServiceURL("os-availability-zone") | ||
|
|
||
| tracer := otel.GetTracerProvider().Tracer(constants.Application) | ||
|
|
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| _, span := tracer.Start(ctx, url, trace.WithSpanKind(trace.SpanKindClient)) | ||
| defer span.End() | ||
|
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| pages, err := availabilityzones.List(c.client).AllPages(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| result, err := availabilityzones.ExtractAvailabilityZones(pages) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| filtered := []availabilityzones.AvailabilityZone{} | ||
|
|
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| for _, az := range result { | ||
| if !az.ZoneState.Available { | ||
| continue | ||
| } | ||
|
|
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| filtered = append(filtered, az) | ||
| } | ||
|
|
||
| return filtered, nil | ||
| } |
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