50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
// Copyright 2014 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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// Unmarshal's a Containers description json file. The json file contains
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// an array of ContainerHint structs, each with a container's id and networkInterface
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// This allows collecting stats about network interfaces configured outside docker
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// and lxc
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package raw
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import (
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"flag"
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"encoding/json"
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"io/ioutil"
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)
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var argContainerHints = flag.String("container_hints", "/etc/cadvisor/container_description.json", "container hints file")
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type containerHints struct {
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All_hosts []containerHint `json:"all_hosts,omitempty"`
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}
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type containerHint struct {
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Id string `json:"id,omitempty"`
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NetworkInterface *networkInterface `json:"network_interface,omitempty"`
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}
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type networkInterface struct {
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VethHost string `json:"VethHost,omitempty"`
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VethChild string `json:"VethChild,omitempty"`
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NsPath string `json:"NsPath,omitempty"`
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}
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func Unmarshal(containerHintsFile string) (containerHints, error) {
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dat, err := ioutil.ReadFile(containerHintsFile)
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var cDesc containerHints
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if err == nil {
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err = json.Unmarshal(dat, &cDesc)
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}
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return cDesc, err
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}
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