53 lines
1.5 KiB
Go
53 lines
1.5 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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"io"
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"net/http"
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"strings"
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info "github.com/google/cadvisor/info/v1"
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)
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func inGCE() bool {
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_, err := http.Get("http://metadata.google.internal/computeMetadata/v1/instance/machine-type")
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return err == nil
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}
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func getGceInstanceType() info.InstanceType {
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// Query the metadata server.
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req, err := http.NewRequest("GET", "http://metadata.google.internal/computeMetadata/v1/instance/machine-type", nil)
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if err != nil {
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return info.UNKNOWN_INSTANCE
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}
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req.Header.Set("Metadata-Flavor", "Google")
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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return info.UNKNOWN_INSTANCE
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}
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body := make([]byte, 1000)
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numRead, err := resp.Body.Read(body)
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if err != io.EOF {
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return info.UNKNOWN_INSTANCE
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}
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// Extract the instance name from the response.
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responseString := string(body[:numRead])
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responseParts := strings.Split(responseString, "/")
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return info.InstanceType(responseParts[len(responseParts)-1])
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}
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