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70 lines
1.8 KiB
Go
70 lines
1.8 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package cloudinfo
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import (
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/ec2metadata"
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"github.com/aws/aws-sdk-go/aws/session"
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"io/ioutil"
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"os"
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"strings"
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info "github.com/google/cadvisor/info/v1"
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)
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const (
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ProductVerFileName = "/sys/class/dmi/id/product_version"
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BiosVerFileName = "/sys/class/dmi/id/bios_vendor"
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Amazon = "amazon"
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)
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func onAWS() bool {
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var dataProduct []byte
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var dataBios []byte
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if _, err := os.Stat(ProductVerFileName); err == nil {
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dataProduct, err = ioutil.ReadFile(ProductVerFileName)
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if err != nil {
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return false
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}
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}
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if _, err := os.Stat(BiosVerFileName); err == nil {
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dataBios, err = ioutil.ReadFile(BiosVerFileName)
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if err != nil {
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return false
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}
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}
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return strings.Contains(string(dataProduct), Amazon) || strings.Contains(strings.ToLower(string(dataBios)), Amazon)
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}
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func getAwsMetadata(name string) string {
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client := ec2metadata.New(session.New(&aws.Config{}))
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data, err := client.GetMetadata(name)
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if err != nil {
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return info.UnknownInstance
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}
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return data
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}
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func getAwsInstanceType() info.InstanceType {
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return info.InstanceType(getAwsMetadata("instance-type"))
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}
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func getAwsInstanceID() info.InstanceID {
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return info.InstanceID(getAwsMetadata("instance-id"))
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}
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