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@@ -1,7 +1,315 @@
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-// +build !experimental
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-
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package client
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package client
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+import (
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+ "bytes"
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+ "encoding/json"
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+ "fmt"
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+ "net/http"
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+ "text/tabwriter"
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+
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+ flag "github.com/docker/docker/pkg/mflag"
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+ "github.com/docker/docker/pkg/stringid"
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+)
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+
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var (
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var (
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- serviceCommands = []command{}
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+ serviceCommands = []command{
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+ {"create", "Create a service endpoint"},
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+ {"rm", "Remove a service endpoint"},
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+ {"join", "Join a container to a service endpoint"},
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+ {"leave", "Leave a container from a service endpoint"},
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+ {"ls", "Lists all service endpoints on a network"},
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+ {"info", "Display information of a service endpoint"},
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+ }
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)
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)
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+
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+func lookupServiceID(cli *NetworkCli, networkID string, nameID string) (string, error) {
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+ obj, statusCode, err := readBody(cli.call("GET", fmt.Sprintf("/networks/%s/endpoints?name=%s", networkID, nameID), nil, nil))
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+ if err != nil {
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+ return "", err
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+ }
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+
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+ if statusCode != http.StatusOK {
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+ return "", fmt.Errorf("name query failed for %s due to : statuscode(%d) %v", nameID, statusCode, string(obj))
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+ }
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+
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+ var list []*networkResource
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+ err = json.Unmarshal(obj, &list)
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+ if err != nil {
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+ return "", err
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+ }
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+ if len(list) > 0 {
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+ // name query filter will always return a single-element collection
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+ return list[0].ID, nil
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+ }
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+
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+ // Check for Partial-id
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+ obj, statusCode, err = readBody(cli.call("GET", fmt.Sprintf("/networks/%s/endpoints?partial-id=%s", networkID, nameID), nil, nil))
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+ if err != nil {
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+ return "", err
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+ }
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+
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+ if statusCode != http.StatusOK {
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+ return "", fmt.Errorf("partial-id match query failed for %s due to : statuscode(%d) %v", nameID, statusCode, string(obj))
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+ }
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+
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+ err = json.Unmarshal(obj, &list)
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+ if err != nil {
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+ return "", err
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+ }
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+ if len(list) == 0 {
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+ return "", fmt.Errorf("resource not found %s", nameID)
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+ }
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+ if len(list) > 1 {
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+ return "", fmt.Errorf("multiple services matching the partial identifier (%s). Please use full identifier", nameID)
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+ }
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+ return list[0].ID, nil
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+}
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+
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+func lookupContainerID(cli *NetworkCli, nameID string) (string, error) {
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+ // TODO : containerID to sandbox-key ?
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+ return nameID, nil
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+}
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+
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+// CmdService handles the network service UI
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+func (cli *NetworkCli) CmdService(chain string, args ...string) error {
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+ cmd := cli.Subcmd(chain, "service", "COMMAND [OPTIONS] [arg...]", serviceUsage(chain), false)
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+ cmd.Require(flag.Min, 1)
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+ err := cmd.ParseFlags(args, true)
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+ if err == nil {
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+ cmd.Usage()
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+ return fmt.Errorf("Invalid command : %v", args)
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+ }
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+ return err
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+}
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+
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+// CmdServiceCreate handles service create UI
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+func (cli *NetworkCli) CmdServiceCreate(chain string, args ...string) error {
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+ cmd := cli.Subcmd(chain, "create", "SERVICE NETWORK", "Creates a new service on a network", false)
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+ cmd.Require(flag.Min, 2)
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+ err := cmd.ParseFlags(args, true)
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+ if err != nil {
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+ return err
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+ }
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+
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+ networkID, err := lookupNetworkID(cli, cmd.Arg(1))
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+ if err != nil {
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+ return err
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+ }
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+
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+ ec := endpointCreate{Name: cmd.Arg(0), NetworkID: networkID}
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+
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+ obj, _, err := readBody(cli.call("POST", "/networks/"+networkID+"/endpoints", ec, nil))
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+ if err != nil {
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+ return err
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+ }
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+
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+ var replyID string
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+ err = json.Unmarshal(obj, &replyID)
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+ if err != nil {
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+ return err
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+ }
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+
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+ fmt.Fprintf(cli.out, "%s\n", replyID)
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+ return nil
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+}
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+
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+// CmdServiceRm handles service delete UI
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+func (cli *NetworkCli) CmdServiceRm(chain string, args ...string) error {
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+ cmd := cli.Subcmd(chain, "rm", "SERVICE NETWORK", "Deletes a service", false)
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+ cmd.Require(flag.Min, 2)
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+ err := cmd.ParseFlags(args, true)
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+ if err != nil {
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+ return err
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+ }
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+
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+ networkID, err := lookupNetworkID(cli, cmd.Arg(1))
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+ if err != nil {
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+ return err
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+ }
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+
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+ serviceID, err := lookupServiceID(cli, networkID, cmd.Arg(0))
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+ if err != nil {
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+ return err
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+ }
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+
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+ _, _, err = readBody(cli.call("DELETE", "/networks/"+networkID+"/endpoints/"+serviceID, nil, nil))
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+ if err != nil {
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+ return err
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+ }
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+ return nil
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+}
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+
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+// CmdServiceLs handles service list UI
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+func (cli *NetworkCli) CmdServiceLs(chain string, args ...string) error {
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+ cmd := cli.Subcmd(chain, "ls", "NETWORK", "Lists all the services on a network", false)
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+ quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs")
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+ noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Do not truncate the output")
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+ nLatest := cmd.Bool([]string{"l", "-latest"}, false, "Show the latest network created")
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+ last := cmd.Int([]string{"n"}, -1, "Show n last created networks")
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+ err := cmd.ParseFlags(args, true)
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+ if err != nil {
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+ return err
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+ }
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+
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+ cmd.Require(flag.Min, 1)
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+
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+ networkID, err := lookupNetworkID(cli, cmd.Arg(0))
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+ if err != nil {
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+ return err
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+ }
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+
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+ obj, _, err := readBody(cli.call("GET", "/networks/"+networkID+"/endpoints", nil, nil))
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+ if err != nil {
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+ fmt.Fprintf(cli.err, "%s", err.Error())
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+ return err
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+ }
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+ if *last == -1 && *nLatest {
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+ *last = 1
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+ }
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+
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+ var endpointResources []endpointResource
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+ err = json.Unmarshal(obj, &endpointResources)
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+ if err != nil {
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+ return err
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+ }
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+
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+ wr := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0)
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+ // unless quiet (-q) is specified, print field titles
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+ if !*quiet {
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+ fmt.Fprintln(wr, "NETWORK SERVICE ID\tNAME\tNETWORK")
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+ }
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+
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+ for _, networkResource := range endpointResources {
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+ ID := networkResource.ID
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+ netName := networkResource.Name
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+ if !*noTrunc {
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+ ID = stringid.TruncateID(ID)
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+ }
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+ if *quiet {
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+ fmt.Fprintln(wr, ID)
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+ continue
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+ }
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+ network := networkResource.Network
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+ fmt.Fprintf(wr, "%s\t%s\t%s",
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+ ID,
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+ netName,
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+ network)
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+ fmt.Fprint(wr, "\n")
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+ }
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+ wr.Flush()
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+
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+ return nil
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+}
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+
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+// CmdServiceInfo handles service info UI
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+func (cli *NetworkCli) CmdServiceInfo(chain string, args ...string) error {
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+ cmd := cli.Subcmd(chain, "info", "SERVICE NETWORK", "Displays detailed information on a service", false)
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+ cmd.Require(flag.Min, 2)
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+ err := cmd.ParseFlags(args, true)
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+ if err != nil {
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+ return err
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+ }
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+
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+ networkID, err := lookupNetworkID(cli, cmd.Arg(1))
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+ if err != nil {
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+ return err
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+ }
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+
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+ serviceID, err := lookupServiceID(cli, networkID, cmd.Arg(0))
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+ if err != nil {
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+ return err
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+ }
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+
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+ obj, _, err := readBody(cli.call("GET", "/networks/"+networkID+"/endpoints/"+serviceID, nil, nil))
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+ if err != nil {
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+ fmt.Fprintf(cli.err, "%s", err.Error())
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+ return err
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+ }
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+
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+ endpointResource := &endpointResource{}
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+ if err := json.NewDecoder(bytes.NewReader(obj)).Decode(endpointResource); err != nil {
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+ return err
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+ }
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+ fmt.Fprintf(cli.out, "Service Id: %s\n", endpointResource.ID)
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+ fmt.Fprintf(cli.out, "\tName: %s\n", endpointResource.Name)
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+ fmt.Fprintf(cli.out, "\tNetwork: %s\n", endpointResource.Network)
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+
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+ return nil
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+}
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+
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+// CmdServiceJoin handles service join UI
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+func (cli *NetworkCli) CmdServiceJoin(chain string, args ...string) error {
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+ cmd := cli.Subcmd(chain, "join", "CONTAINER SERVICE NETWORK", "Sets a container as a service backend", false)
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+ cmd.Require(flag.Min, 3)
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+ err := cmd.ParseFlags(args, true)
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+ if err != nil {
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+ return err
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+ }
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+
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+ containerID, err := lookupContainerID(cli, cmd.Arg(0))
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+ if err != nil {
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+ return err
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+ }
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+
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+ networkID, err := lookupNetworkID(cli, cmd.Arg(2))
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+ if err != nil {
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+ return err
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+ }
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+
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+ serviceID, err := lookupServiceID(cli, networkID, cmd.Arg(1))
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+ if err != nil {
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+ return err
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+ }
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+
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+ nc := endpointJoin{ContainerID: containerID}
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+
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+ _, _, err = readBody(cli.call("POST", "/networks/"+networkID+"/endpoints/"+serviceID+"/containers", nc, nil))
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+ if err != nil {
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+ fmt.Fprintf(cli.err, "%s", err.Error())
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+ return err
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+ }
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+ return nil
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+}
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+
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+// CmdServiceLeave handles service leave UI
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+func (cli *NetworkCli) CmdServiceLeave(chain string, args ...string) error {
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+ cmd := cli.Subcmd(chain, "leave", "CONTAINER SERVICE NETWORK", "Removes a container from service backend", false)
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+ cmd.Require(flag.Min, 3)
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+ err := cmd.ParseFlags(args, true)
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+ if err != nil {
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+ return err
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+ }
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+
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+ containerID, err := lookupContainerID(cli, cmd.Arg(0))
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+ if err != nil {
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+ return err
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+ }
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+
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+ networkID, err := lookupNetworkID(cli, cmd.Arg(2))
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+ if err != nil {
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+ return err
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+ }
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+
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+ serviceID, err := lookupServiceID(cli, networkID, cmd.Arg(1))
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+ if err != nil {
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+ return err
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+ }
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+
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+ _, _, err = readBody(cli.call("DELETE", "/networks/"+networkID+"/endpoints/"+serviceID+"/containers/"+containerID, nil, nil))
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+ if err != nil {
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+ fmt.Fprintf(cli.err, "%s", err.Error())
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+ return err
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+ }
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+ return nil
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+}
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+
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+func serviceUsage(chain string) string {
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+ help := "Commands:\n"
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+
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+ for _, cmd := range serviceCommands {
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+ help += fmt.Sprintf(" %-10.10s%s\n", cmd.name, cmd.description)
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+ }
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+
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+ help += fmt.Sprintf("\nRun '%s service COMMAND --help' for more information on a command.", chain)
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+ return help
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+}
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