e18e8ec3c0
This adds context to all the relevant cloud provider interface signatures. Callers of those APIs are currently satisfied using context.TODO(). There will be follow on PRs to push the context through the stack. For an idea of the full scope of this change please look at PR #58532.
86 lines
2.8 KiB
Go
86 lines
2.8 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 (
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"context"
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"strings"
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compute "google.golang.org/api/compute/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/kubernetes/pkg/cloudprovider"
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"k8s.io/kubernetes/pkg/cloudprovider/providers/gce/cloud/filter"
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)
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func newZonesMetricContext(request, region string) *metricContext {
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return newGenericMetricContext("zones", request, region, unusedMetricLabel, computeV1Version)
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}
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// GetZone creates a cloudprovider.Zone of the current zone and region
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func (gce *GCECloud) GetZone(ctx context.Context) (cloudprovider.Zone, error) {
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return cloudprovider.Zone{
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FailureDomain: gce.localZone,
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Region: gce.region,
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}, nil
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}
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// GetZoneByProviderID implements Zones.GetZoneByProviderID
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// This is particularly useful in external cloud providers where the kubelet
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// does not initialize node data.
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func (gce *GCECloud) GetZoneByProviderID(ctx context.Context, providerID string) (cloudprovider.Zone, error) {
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_, zone, _, err := splitProviderID(providerID)
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if err != nil {
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return cloudprovider.Zone{}, err
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}
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region, err := GetGCERegion(zone)
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if err != nil {
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return cloudprovider.Zone{}, err
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}
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return cloudprovider.Zone{FailureDomain: zone, Region: region}, nil
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}
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// GetZoneByNodeName implements Zones.GetZoneByNodeName
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// This is particularly useful in external cloud providers where the kubelet
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// does not initialize node data.
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func (gce *GCECloud) GetZoneByNodeName(ctx context.Context, nodeName types.NodeName) (cloudprovider.Zone, error) {
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instanceName := mapNodeNameToInstanceName(nodeName)
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instance, err := gce.getInstanceByName(instanceName)
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if err != nil {
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return cloudprovider.Zone{}, err
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}
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region, err := GetGCERegion(instance.Zone)
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if err != nil {
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return cloudprovider.Zone{}, err
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}
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return cloudprovider.Zone{FailureDomain: instance.Zone, Region: region}, nil
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}
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// ListZonesInRegion returns all zones in a GCP region
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func (gce *GCECloud) ListZonesInRegion(region string) ([]*compute.Zone, error) {
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mc := newZonesMetricContext("list", region)
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list, err := gce.c.Zones().List(context.Background(), filter.Regexp("region", gce.getRegionLink(region)))
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if err != nil {
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return nil, mc.Observe(err)
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}
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return list, mc.Observe(err)
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}
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func (gce *GCECloud) getRegionLink(region string) string {
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return gce.service.BasePath + strings.Join([]string{gce.projectID, "regions", region}, "/")
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}
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