mirror of https://github.com/k3s-io/k3s
67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
|
/*
|
||
|
|
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 gce
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
|
||
|
|
"k8s.io/kubernetes/pkg/cloudprovider/providers/gce/cloud"
|
||
|
|
"k8s.io/kubernetes/pkg/cloudprovider/providers/gce/cloud/meta"
|
||
|
|
)
|
||
|
|
|
||
|
|
// gceProjectRouter sends requests to the appropriate project ID.
|
||
|
|
type gceProjectRouter struct {
|
||
|
|
gce *GCECloud
|
||
|
|
}
|
||
|
|
|
||
|
|
// ProjectID returns the project ID to be used for the given operation.
|
||
|
|
func (r *gceProjectRouter) ProjectID(ctx context.Context, version meta.Version, service string) string {
|
||
|
|
switch service {
|
||
|
|
case "Firewalls", "Routes":
|
||
|
|
return r.gce.NetworkProjectID()
|
||
|
|
default:
|
||
|
|
return r.gce.projectID
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// gceRateLimiter implements cloud.RateLimiter.
|
||
|
|
type gceRateLimiter struct {
|
||
|
|
gce *GCECloud
|
||
|
|
}
|
||
|
|
|
||
|
|
// Accept blocks until the operation can be performed.
|
||
|
|
//
|
||
|
|
// TODO: the current cloud provider policy doesn't seem to be correct as it
|
||
|
|
// only rate limits the polling operations, but not the /submission/ of
|
||
|
|
// operations.
|
||
|
|
func (l *gceRateLimiter) Accept(ctx context.Context, key *cloud.RateLimitKey) error {
|
||
|
|
if key.Operation == "Get" && key.Service == "Operations" {
|
||
|
|
ch := make(chan struct{})
|
||
|
|
go func() {
|
||
|
|
l.gce.operationPollRateLimiter.Accept()
|
||
|
|
close(ch)
|
||
|
|
}()
|
||
|
|
select {
|
||
|
|
case <-ch:
|
||
|
|
break
|
||
|
|
case <-ctx.Done():
|
||
|
|
return ctx.Err()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|