a02b7f1620
Raw handler now parses an optional json file with the network interface information, and emits network stats.
50 lines
1.5 KiB
Go
50 lines
1.5 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 ContainerDesc structs, each with a container's id and network_interface
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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 argContainersDesc = flag.String("cDescription", "/etc/docker/cdesc.json", "container description file")
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type containersDesc struct {
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All_hosts []containerDesc
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}
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type containerDesc struct {
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Id string
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Network_interface *networkInterface
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}
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type networkInterface struct {
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VethHost string
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VethChild string
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NsPath string
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}
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func Unmarshal(containerDescFile string) (containersDesc, error) {
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dat, err := ioutil.ReadFile(containerDescFile)
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var cDesc containersDesc
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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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