179 lines
4.2 KiB
Go
179 lines
4.2 KiB
Go
package client
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import (
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"fmt"
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"net/url"
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"strconv"
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"strings"
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"text/tabwriter"
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"time"
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"github.com/docker/docker/api"
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"github.com/docker/docker/engine"
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"github.com/docker/docker/opts"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/pkg/parsers/filters"
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"github.com/docker/docker/pkg/stringid"
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"github.com/docker/docker/pkg/units"
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"github.com/docker/docker/utils"
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)
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// CmdPs outputs a list of Docker containers.
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//
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// Usage: docker ps [OPTIONS]
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func (cli *DockerCli) CmdPs(args ...string) error {
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var (
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err error
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psFilterArgs = filters.Args{}
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v = url.Values{}
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cmd = cli.Subcmd("ps", "", "List containers", true)
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quiet = cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs")
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size = cmd.Bool([]string{"s", "-size"}, false, "Display total file sizes")
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all = cmd.Bool([]string{"a", "-all"}, false, "Show all containers (default shows just running)")
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noTrunc = cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
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nLatest = cmd.Bool([]string{"l", "-latest"}, false, "Show the latest created container, include non-running")
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since = cmd.String([]string{"#sinceId", "#-since-id", "-since"}, "", "Show created since Id or Name, include non-running")
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before = cmd.String([]string{"#beforeId", "#-before-id", "-before"}, "", "Show only container created before Id or Name")
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last = cmd.Int([]string{"n"}, -1, "Show n last created containers, include non-running")
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flFilter = opts.NewListOpts(nil)
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)
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cmd.Require(flag.Exact, 0)
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cmd.Var(&flFilter, []string{"f", "-filter"}, "Filter output based on conditions provided")
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utils.ParseFlags(cmd, args, true)
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if *last == -1 && *nLatest {
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*last = 1
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}
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if *all {
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v.Set("all", "1")
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}
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if *last != -1 {
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v.Set("limit", strconv.Itoa(*last))
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}
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if *since != "" {
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v.Set("since", *since)
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}
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if *before != "" {
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v.Set("before", *before)
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}
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if *size {
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v.Set("size", "1")
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}
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// Consolidate all filter flags, and sanity check them.
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// They'll get processed in the daemon/server.
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for _, f := range flFilter.GetAll() {
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if psFilterArgs, err = filters.ParseFlag(f, psFilterArgs); err != nil {
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return err
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}
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}
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if len(psFilterArgs) > 0 {
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filterJSON, err := filters.ToParam(psFilterArgs)
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if err != nil {
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return err
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}
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v.Set("filters", filterJSON)
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}
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body, _, err := readBody(cli.call("GET", "/containers/json?"+v.Encode(), nil, nil))
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if err != nil {
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return err
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}
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outs := engine.NewTable("Created", 0)
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if _, err := outs.ReadListFrom(body); err != nil {
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return err
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}
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w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
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if !*quiet {
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fmt.Fprint(w, "CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES")
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if *size {
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fmt.Fprintln(w, "\tSIZE")
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} else {
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fmt.Fprint(w, "\n")
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}
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}
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stripNamePrefix := func(ss []string) []string {
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for i, s := range ss {
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ss[i] = s[1:]
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}
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return ss
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}
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for _, out := range outs.Data {
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outID := out.Get("Id")
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if !*noTrunc {
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outID = stringid.TruncateID(outID)
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}
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if *quiet {
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fmt.Fprintln(w, outID)
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continue
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}
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var (
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outNames = stripNamePrefix(out.GetList("Names"))
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outCommand = strconv.Quote(out.Get("Command"))
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ports = engine.NewTable("", 0)
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)
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if !*noTrunc {
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outCommand = utils.Trunc(outCommand, 20)
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// only display the default name for the container with notrunc is passed
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for _, name := range outNames {
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if len(strings.Split(name, "/")) == 1 {
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outNames = []string{name}
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break
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}
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}
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}
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ports.ReadListFrom([]byte(out.Get("Ports")))
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image := out.Get("Image")
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if image == "" {
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image = "<no image>"
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}
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fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\t%s\t%s\t", outID, image, outCommand,
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units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))),
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out.Get("Status"), api.DisplayablePorts(ports), strings.Join(outNames, ","))
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if *size {
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if out.GetInt("SizeRootFs") > 0 {
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fmt.Fprintf(w, "%s (virtual %s)\n", units.HumanSize(float64(out.GetInt64("SizeRw"))), units.HumanSize(float64(out.GetInt64("SizeRootFs"))))
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} else {
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fmt.Fprintf(w, "%s\n", units.HumanSize(float64(out.GetInt64("SizeRw"))))
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}
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continue
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}
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fmt.Fprint(w, "\n")
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}
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if !*quiet {
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w.Flush()
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}
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return nil
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}
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