func getContainersJSON(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := parseForm(r); err != nil {
return err
}
var (
err error
outs *engine.Table
job = eng.Job("containers")
)
job.Setenv("all", r.Form.Get("all"))
job.Setenv("size", r.Form.Get("size"))
job.Setenv("since", r.Form.Get("since"))
job.Setenv("before", r.Form.Get("before"))
job.Setenv("limit", r.Form.Get("limit"))
job.Setenv("filters", r.Form.Get("filters"))
if version.GreaterThanOrEqualTo("1.5") {
streamJSON(job, w, false)
} else if outs, err = job.Stdout.AddTable(); err != nil {
return err
}
if err = job.Run(); err != nil {
return err
}
if version.LessThan("1.5") { // Convert to legacy format
for _, out := range outs.Data {
ports := engine.NewTable("", 0)
ports.ReadListFrom([]byte(out.Get("Ports")))
out.Set("Ports", api.DisplayablePorts(ports))
}
w.Header().Set("Content-Type", "application/json")
if _, err = outs.WriteListTo(w); err != nil {
return err
}
}
return nil
}
// CmdPs outputs a list of Docker containers.
//
// Usage: docker ps [OPTIONS]
func (cli *DockerCli) CmdPs(args ...string) error {
var (
err error
psFilterArgs = filters.Args{}
v = url.Values{}
cmd = cli.Subcmd("ps", nil, "List containers", true)
quiet = cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs")
size = cmd.Bool([]string{"s", "-size"}, false, "Display total file sizes")
all = cmd.Bool([]string{"a", "-all"}, false, "Show all containers (default shows just running)")
noTrunc = cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
nLatest = cmd.Bool([]string{"l", "-latest"}, false, "Show the latest created container, include non-running")
since = cmd.String([]string{"#sinceId", "#-since-id", "-since"}, "", "Show created since Id or Name, include non-running")
before = cmd.String([]string{"#beforeId", "#-before-id", "-before"}, "", "Show only container created before Id or Name")
last = cmd.Int([]string{"n"}, -1, "Show n last created containers, include non-running")
flFilter = opts.NewListOpts(nil)
)
cmd.Require(flag.Exact, 0)
cmd.Var(&flFilter, []string{"f", "-filter"}, "Filter output based on conditions provided")
cmd.ParseFlags(args, true)
if *last == -1 && *nLatest {
*last = 1
}
if *all {
v.Set("all", "1")
}
if *last != -1 {
v.Set("limit", strconv.Itoa(*last))
}
if *since != "" {
v.Set("since", *since)
}
if *before != "" {
v.Set("before", *before)
}
if *size {
v.Set("size", "1")
}
// Consolidate all filter flags, and sanity check them.
// They'll get processed in the daemon/server.
for _, f := range flFilter.GetAll() {
if psFilterArgs, err = filters.ParseFlag(f, psFilterArgs); err != nil {
return err
}
}
if len(psFilterArgs) > 0 {
filterJSON, err := filters.ToParam(psFilterArgs)
if err != nil {
return err
}
v.Set("filters", filterJSON)
}
serverResp, err := cli.call("GET", "/containers/json?"+v.Encode(), nil, nil)
if err != nil {
return err
}
defer serverResp.body.Close()
containers := []types.Container{}
if err := json.NewDecoder(serverResp.body).Decode(&containers); err != nil {
return err
}
w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
if !*quiet {
fmt.Fprint(w, "CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES")
if *size {
fmt.Fprintln(w, "\tSIZE")
} else {
fmt.Fprint(w, "\n")
}
}
stripNamePrefix := func(ss []string) []string {
for i, s := range ss {
ss[i] = s[1:]
}
return ss
}
for _, container := range containers {
ID := container.ID
if !*noTrunc {
ID = stringid.TruncateID(ID)
}
if *quiet {
fmt.Fprintln(w, ID)
continue
}
var (
names = stripNamePrefix(container.Names)
command = strconv.Quote(container.Command)
displayPort string
)
if !*noTrunc {
command = stringutils.Truncate(command, 20)
// only display the default name for the container with notrunc is passed
for _, name := range names {
if len(strings.Split(name, "/")) == 1 {
names = []string{name}
break
}
}
}
image := container.Image
if image == "" {
image = "<no image>"
}
if container.HostConfig.NetworkMode == "host" {
displayPort = "*/tcp, */udp"
} else {
displayPort = api.DisplayablePorts(container.Ports)
}
fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\t%s\t%s\t", ID, image, command,
units.HumanDuration(time.Now().UTC().Sub(time.Unix(int64(container.Created), 0))),
container.Status, displayPort, strings.Join(names, ","))
if *size {
if container.SizeRootFs > 0 {
fmt.Fprintf(w, "%s (virtual %s)\n", units.HumanSize(float64(container.SizeRw)), units.HumanSize(float64(container.SizeRootFs)))
} else {
fmt.Fprintf(w, "%s\n", units.HumanSize(float64(container.SizeRw)))
}
continue
}
fmt.Fprint(w, "\n")
}
if !*quiet {
w.Flush()
}
return nil
}
func (c *containerContext) Ports() string {
c.addHeader(portsHeader)
return api.DisplayablePorts(c.c.Ports)
}
func (cli *KraneCli) CmdPs(args ...string) error {
cmd := cli.Subcmd("ps", "[OPTIONS]", "List containers")
quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs")
size := cmd.Bool([]string{"s", "-size"}, false, "Display sizes")
all := cmd.Bool([]string{"a", "-all"}, false, "Show all containers. Only running containers are shown by default.")
noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output")
nLatest := cmd.Bool([]string{"l", "-latest"}, false, "Show only the latest created container, include non-running ones.")
since := cmd.String([]string{"#sinceId", "#-since-id", "-since"}, "", "Show only containers created since Id or Name, include non-running ones.")
before := cmd.String([]string{"#beforeId", "#-before-id", "-before"}, "", "Show only container created before Id or Name, include non-running ones.")
last := cmd.Int([]string{"n"}, -1, "Show n last created containers, include non-running ones.")
if err := cmd.Parse(args); err != nil {
return nil
}
v := url.Values{}
if *last == -1 && *nLatest {
*last = 1
}
if *all {
v.Set("all", "1")
}
if *last != -1 {
v.Set("limit", strconv.Itoa(*last))
}
if *since != "" {
v.Set("since", *since)
}
if *before != "" {
v.Set("before", *before)
}
if *size {
v.Set("size", "1")
}
body, _, err := readBody(cli.call("GET", "/containers/json?"+v.Encode(), nil, false))
if err != nil {
return err
}
ships := engine.NewTable("Created", 0)
if _, err := ships.ReadListFrom(body); err != nil {
return err
}
w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
if !*quiet {
fmt.Fprint(w, "CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES\tSHIP")
if *size {
fmt.Fprintln(w, "\tSIZE")
} else {
fmt.Fprint(w, "\n")
}
}
for _, outShip := range ships.Data {
var (
outShipFQDN = outShip.Get("fqdn")
outContainers = outShip.Get("Containers")
)
outs := engine.NewTable("Created", 0)
if _, err := outs.ReadListFrom([]byte(outContainers)); err != nil {
return err
}
for _, out := range outs.Data {
var (
outID = out.Get("Id")
outNames = out.GetList("Names")
)
if !*noTrunc {
outID = utils.TruncateID(outID)
}
// Remove the leading / from the names
for i := 0; i < len(outNames); i++ {
outNames[i] = outNames[i][1:]
}
if !*quiet {
var (
outCommand = out.Get("Command")
ports = engine.NewTable("", 0)
)
outCommand = strconv.Quote(outCommand)
if !*noTrunc {
outCommand = utils.Trunc(outCommand, 20)
}
ports.ReadListFrom([]byte(out.Get("Ports")))
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s ago\t%s\t%s\t%s\t", outID, out.Get("Image"), outCommand, units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))), out.Get("Status"), api.DisplayablePorts(ports), strings.Join(outNames, ","), outShipFQDN)
if *size {
if out.GetInt("SizeRootFs") > 0 {
fmt.Fprintf(w, "%s (virtual %s)\n", units.HumanSize(out.GetInt64("SizeRw")), units.HumanSize(out.GetInt64("SizeRootFs")))
} else {
fmt.Fprintf(w, "%s\n", units.HumanSize(out.GetInt64("SizeRw")))
}
} else {
fmt.Fprint(w, "\n")
}
} else {
fmt.Fprintln(w, outID)
}
}
}
if !*quiet {
w.Flush()
}
return nil
}