summaryrefslogtreecommitdiff
path: root/vendor/k8s.io/kubernetes/pkg/cloudprovider/plugins.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/k8s.io/kubernetes/pkg/cloudprovider/plugins.go')
-rw-r--r--vendor/k8s.io/kubernetes/pkg/cloudprovider/plugins.go122
1 files changed, 0 insertions, 122 deletions
diff --git a/vendor/k8s.io/kubernetes/pkg/cloudprovider/plugins.go b/vendor/k8s.io/kubernetes/pkg/cloudprovider/plugins.go
deleted file mode 100644
index 739c09613..000000000
--- a/vendor/k8s.io/kubernetes/pkg/cloudprovider/plugins.go
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
-Copyright 2014 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 cloudprovider
-
-import (
- "fmt"
- "io"
- "os"
- "sync"
-
- "github.com/golang/glog"
-)
-
-// Factory is a function that returns a cloudprovider.Interface.
-// The config parameter provides an io.Reader handler to the factory in
-// order to load specific configurations. If no configuration is provided
-// the parameter is nil.
-type Factory func(config io.Reader) (Interface, error)
-
-// All registered cloud providers.
-var (
- providersMutex sync.Mutex
- providers = make(map[string]Factory)
-)
-
-const externalCloudProvider = "external"
-
-// RegisterCloudProvider registers a cloudprovider.Factory by name. This
-// is expected to happen during app startup.
-func RegisterCloudProvider(name string, cloud Factory) {
- providersMutex.Lock()
- defer providersMutex.Unlock()
- if _, found := providers[name]; found {
- glog.Fatalf("Cloud provider %q was registered twice", name)
- }
- glog.V(1).Infof("Registered cloud provider %q", name)
- providers[name] = cloud
-}
-
-// IsCloudProvider returns true if name corresponds to an already registered
-// cloud provider.
-func IsCloudProvider(name string) bool {
- providersMutex.Lock()
- defer providersMutex.Unlock()
- _, found := providers[name]
- return found
-}
-
-// GetCloudProvider creates an instance of the named cloud provider, or nil if
-// the name is unknown. The error return is only used if the named provider
-// was known but failed to initialize. The config parameter specifies the
-// io.Reader handler of the configuration file for the cloud provider, or nil
-// for no configuration.
-func GetCloudProvider(name string, config io.Reader) (Interface, error) {
- providersMutex.Lock()
- defer providersMutex.Unlock()
- f, found := providers[name]
- if !found {
- return nil, nil
- }
- return f(config)
-}
-
-// Detects if the string is an external cloud provider
-func IsExternal(name string) bool {
- return name == externalCloudProvider
-}
-
-// InitCloudProvider creates an instance of the named cloud provider.
-func InitCloudProvider(name string, configFilePath string) (Interface, error) {
- var cloud Interface
- var err error
-
- if name == "" {
- glog.Info("No cloud provider specified.")
- return nil, nil
- }
-
- if IsExternal(name) {
- glog.Info("External cloud provider specified")
- return nil, nil
- }
-
- if configFilePath != "" {
- var config *os.File
- config, err = os.Open(configFilePath)
- if err != nil {
- glog.Fatalf("Couldn't open cloud provider configuration %s: %#v",
- configFilePath, err)
- }
-
- defer config.Close()
- cloud, err = GetCloudProvider(name, config)
- } else {
- // Pass explicit nil so plugins can actually check for nil. See
- // "Why is my nil error value not equal to nil?" in golang.org/doc/faq.
- cloud, err = GetCloudProvider(name, nil)
- }
-
- if err != nil {
- return nil, fmt.Errorf("could not init cloud provider %q: %v", name, err)
- }
- if cloud == nil {
- return nil, fmt.Errorf("unknown cloud provider %q", name)
- }
-
- return cloud, nil
-}