| /* |
| 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" |
| |
| "github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud" |
| "github.com/GoogleCloudPlatform/k8s-cloud-provider/pkg/cloud/meta" |
| ) |
| |
| // gceProjectRouter sends requests to the appropriate project ID. |
| type gceProjectRouter struct { |
| gce *Cloud |
| } |
| |
| // 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 *Cloud |
| } |
| |
| // 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" { |
| // Wait a minimum amount of time regardless of rate limiter. |
| rl := &cloud.MinimumRateLimiter{ |
| // Convert flowcontrol.RateLimiter into cloud.RateLimiter |
| RateLimiter: &cloud.AcceptRateLimiter{ |
| Acceptor: l.gce.operationPollRateLimiter, |
| }, |
| Minimum: operationPollInterval, |
| } |
| return rl.Accept(ctx, key) |
| } |
| return nil |
| } |
| |
| // CreateGCECloudWithCloud is a helper function to create an instance of Cloud with the |
| // given Cloud interface implementation. Typical usage is to use cloud.NewMockGCE to get a |
| // handle to a mock Cloud instance and then use that for testing. |
| func CreateGCECloudWithCloud(config *CloudConfig, c cloud.Cloud) (*Cloud, error) { |
| gceCloud, err := CreateGCECloud(config) |
| if err == nil { |
| gceCloud.c = c |
| } |
| return gceCloud, err |
| } |