/usr/share/gocode/src/github.com/opencontainers/runc/list.go is in golang-github-opencontainers-runc-dev 1.0.0~rc4+dfsg1-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | // +build linux
package main
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"syscall"
"text/tabwriter"
"time"
"encoding/json"
"github.com/opencontainers/runc/libcontainer"
"github.com/opencontainers/runc/libcontainer/user"
"github.com/opencontainers/runc/libcontainer/utils"
"github.com/urfave/cli"
)
const formatOptions = `table or json`
// containerState represents the platform agnostic pieces relating to a
// running container's status and state
type containerState struct {
// Version is the OCI version for the container
Version string `json:"ociVersion"`
// ID is the container ID
ID string `json:"id"`
// InitProcessPid is the init process id in the parent namespace
InitProcessPid int `json:"pid"`
// Status is the current status of the container, running, paused, ...
Status string `json:"status"`
// Bundle is the path on the filesystem to the bundle
Bundle string `json:"bundle"`
// Rootfs is a path to a directory containing the container's root filesystem.
Rootfs string `json:"rootfs"`
// Created is the unix timestamp for the creation time of the container in UTC
Created time.Time `json:"created"`
// Annotations is the user defined annotations added to the config.
Annotations map[string]string `json:"annotations,omitempty"`
// The owner of the state directory (the owner of the container).
Owner string `json:"owner"`
}
var listCommand = cli.Command{
Name: "list",
Usage: "lists containers started by runc with the given root",
ArgsUsage: `
Where the given root is specified via the global option "--root"
(default: "/run/runc").
EXAMPLE 1:
To list containers created via the default "--root":
# runc list
EXAMPLE 2:
To list containers created using a non-default value for "--root":
# runc --root value list`,
Flags: []cli.Flag{
cli.StringFlag{
Name: "format, f",
Value: "table",
Usage: `select one of: ` + formatOptions,
},
cli.BoolFlag{
Name: "quiet, q",
Usage: "display only container IDs",
},
},
Action: func(context *cli.Context) error {
if err := checkArgs(context, 0, exactArgs); err != nil {
return err
}
s, err := getContainers(context)
if err != nil {
return err
}
if context.Bool("quiet") {
for _, item := range s {
fmt.Println(item.ID)
}
return nil
}
switch context.String("format") {
case "table":
w := tabwriter.NewWriter(os.Stdout, 12, 1, 3, ' ', 0)
fmt.Fprint(w, "ID\tPID\tSTATUS\tBUNDLE\tCREATED\tOWNER\n")
for _, item := range s {
fmt.Fprintf(w, "%s\t%d\t%s\t%s\t%s\t%s\n",
item.ID,
item.InitProcessPid,
item.Status,
item.Bundle,
item.Created.Format(time.RFC3339Nano),
item.Owner)
}
if err := w.Flush(); err != nil {
return err
}
case "json":
if err := json.NewEncoder(os.Stdout).Encode(s); err != nil {
return err
}
default:
return fmt.Errorf("invalid format option")
}
return nil
},
}
func getContainers(context *cli.Context) ([]containerState, error) {
factory, err := loadFactory(context)
if err != nil {
return nil, err
}
root := context.GlobalString("root")
absRoot, err := filepath.Abs(root)
if err != nil {
return nil, err
}
list, err := ioutil.ReadDir(absRoot)
if err != nil {
fatal(err)
}
var s []containerState
for _, item := range list {
if item.IsDir() {
// This cast is safe on Linux.
stat := item.Sys().(*syscall.Stat_t)
owner, err := user.LookupUid(int(stat.Uid))
if err != nil {
owner.Name = fmt.Sprintf("#%d", stat.Uid)
}
container, err := factory.Load(item.Name())
if err != nil {
fmt.Fprintf(os.Stderr, "load container %s: %v\n", item.Name(), err)
continue
}
containerStatus, err := container.Status()
if err != nil {
fmt.Fprintf(os.Stderr, "status for %s: %v\n", item.Name(), err)
continue
}
state, err := container.State()
if err != nil {
fmt.Fprintf(os.Stderr, "state for %s: %v\n", item.Name(), err)
continue
}
pid := state.BaseState.InitProcessPid
if containerStatus == libcontainer.Stopped {
pid = 0
}
bundle, annotations := utils.Annotations(state.Config.Labels)
s = append(s, containerState{
Version: state.BaseState.Config.Version,
ID: state.BaseState.ID,
InitProcessPid: pid,
Status: containerStatus.String(),
Bundle: bundle,
Rootfs: state.BaseState.Config.Rootfs,
Created: state.BaseState.Created,
Annotations: annotations,
Owner: owner.Name,
})
}
}
return s, nil
}
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