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.
97 lines
3.2 KiB
Go
97 lines
3.2 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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"fmt"
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"net/http"
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"path"
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"github.com/golang/glog"
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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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"k8s.io/kubernetes/pkg/cloudprovider/providers/gce/cloud/meta"
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)
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func newRoutesMetricContext(request string) *metricContext {
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return newGenericMetricContext("routes", request, unusedMetricLabel, unusedMetricLabel, computeV1Version)
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}
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// ListRoutes in the cloud environment.
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func (gce *GCECloud) ListRoutes(ctx context.Context, clusterName string) ([]*cloudprovider.Route, error) {
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mc := newRoutesMetricContext("list")
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prefix := truncateClusterName(clusterName)
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f := filter.Regexp("name", prefix+"-.*").AndRegexp("network", gce.NetworkURL()).AndRegexp("description", k8sNodeRouteTag)
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routes, err := gce.c.Routes().List(context.Background(), f)
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if err != nil {
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return nil, mc.Observe(err)
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}
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var croutes []*cloudprovider.Route
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for _, r := range routes {
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target := path.Base(r.NextHopInstance)
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// TODO: Should we lastComponent(target) this?
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targetNodeName := types.NodeName(target) // NodeName == Instance Name on GCE
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croutes = append(croutes, &cloudprovider.Route{
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Name: r.Name,
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TargetNode: targetNodeName,
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DestinationCIDR: r.DestRange,
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})
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}
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return croutes, mc.Observe(nil)
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}
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// CreateRoute in the cloud environment.
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func (gce *GCECloud) CreateRoute(ctx context.Context, clusterName string, nameHint string, route *cloudprovider.Route) error {
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mc := newRoutesMetricContext("create")
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targetInstance, err := gce.getInstanceByName(mapNodeNameToInstanceName(route.TargetNode))
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if err != nil {
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return mc.Observe(err)
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}
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cr := &compute.Route{
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Name: truncateClusterName(clusterName) + "-" + nameHint,
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DestRange: route.DestinationCIDR,
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NextHopInstance: fmt.Sprintf("zones/%s/instances/%s", targetInstance.Zone, targetInstance.Name),
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Network: gce.NetworkURL(),
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Priority: 1000,
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Description: k8sNodeRouteTag,
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}
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err = gce.c.Routes().Insert(context.Background(), meta.GlobalKey(cr.Name), cr)
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if isHTTPErrorCode(err, http.StatusConflict) {
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glog.Infof("Route %q already exists.", cr.Name)
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err = nil
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}
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return mc.Observe(err)
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}
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// DeleteRoute from the cloud environment.
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func (gce *GCECloud) DeleteRoute(ctx context.Context, clusterName string, route *cloudprovider.Route) error {
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mc := newRoutesMetricContext("delete")
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return mc.Observe(gce.c.Routes().Delete(context.Background(), meta.GlobalKey(route.Name)))
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}
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func truncateClusterName(clusterName string) string {
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if len(clusterName) > 26 {
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return clusterName[:26]
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}
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return clusterName
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}
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