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cloudinfo.go
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cloudinfo.go
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// Copyright 2015 Google Inc. All Rights Reserved.
//
// 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.
// Get information about the cloud provider (if any) cAdvisor is running on.
package cloudinfo
import (
info "github.com/google/cadvisor/info/v1"
)
type CloudInfo interface {
GetCloudProvider() info.CloudProvider
GetInstanceType() info.InstanceType
GetInstanceID() info.InstanceID
}
type realCloudInfo struct {
cloudProvider info.CloudProvider
instanceType info.InstanceType
instanceID info.InstanceID
}
func NewRealCloudInfo() CloudInfo {
cloudProvider := detectCloudProvider()
instanceType := detectInstanceType(cloudProvider)
instanceID := detectInstanceID(cloudProvider)
return &realCloudInfo{
cloudProvider: cloudProvider,
instanceType: instanceType,
instanceID: instanceID,
}
}
func (self *realCloudInfo) GetCloudProvider() info.CloudProvider {
return self.cloudProvider
}
func (self *realCloudInfo) GetInstanceType() info.InstanceType {
return self.instanceType
}
func (self *realCloudInfo) GetInstanceID() info.InstanceID {
return self.instanceID
}
func detectCloudProvider() info.CloudProvider {
switch {
case onGCE():
return info.GCE
case onAWS():
return info.AWS
case onAzure():
return info.Azure
case onBaremetal():
return info.Baremetal
}
return info.UnknownProvider
}
func detectInstanceType(cloudProvider info.CloudProvider) info.InstanceType {
switch cloudProvider {
case info.GCE:
return getGceInstanceType()
case info.AWS:
return getAwsInstanceType()
case info.Azure:
return getAzureInstanceType()
case info.Baremetal:
return info.NoInstance
}
return info.UnknownInstance
}
func detectInstanceID(cloudProvider info.CloudProvider) info.InstanceID {
switch cloudProvider {
case info.GCE:
return getGceInstanceID()
case info.AWS:
return getAwsInstanceID()
case info.Azure:
return getAzureInstanceID()
case info.Baremetal:
return info.UnNamedInstance
}
return info.UnNamedInstance
}
//TODO: Implement method.
func onBaremetal() bool {
return false
}