command: basic status command

command/status.go

@@ -0,0 +1,106 @@
+package command
+
+import (
+	"flag"
+	"fmt"
+	"strings"
+
+	"github.com/mitchellh/cli"
+	"github.com/ryanuber/columnize"
+)
+
+type StatusCommand struct {
+	Ui cli.Ui
+}
+
+func (c *StatusCommand) Help() string {
+	helpText := `
+Usage: nomad status [options] <job>
+
+  Displays information about the given job. If no job ID
+  is given, this command will dump a list of all jobs.
+
+Options:
+
+  -help
+    Display this message
+
+  -http-addr
+    Address of the Nomad API to connect.
+    Default = http://127.0.0.1:4646
+`
+	return strings.TrimSpace(helpText)
+}
+
+func (c *StatusCommand) Synopsis() string {
+	return "Displays information about jobs"
+}
+
+func (c *StatusCommand) Run(args []string) int {
+	var httpAddr *string
+
+	flags := flag.NewFlagSet("status", flag.ContinueOnError)
+	flags.Usage = func() { c.Ui.Output(c.Help()) }
+	httpAddr = HttpAddrFlag(flags)
+
+	if err := flags.Parse(args); err != nil {
+		return 1
+	}
+
+	// Check that we either got no jobs or exactly one.
+	if len(flags.Args()) > 1 {
+		c.Ui.Error(c.Help())
+		return 1
+	}
+
+	// Get the HTTP client
+	client, err := HttpClient(*httpAddr)
+	if err != nil {
+		c.Ui.Error(fmt.Sprintf("Failed initializing Nomad client: %s", err))
+		return 1
+	}
+
+	// Invoke list mode if no job ID.
+	if len(flags.Args()) == 0 {
+		jobs, _, err := client.Jobs().List(nil)
+		if err != nil {
+			c.Ui.Error(fmt.Sprintf("Failed querying jobs: %s", err))
+			return 1
+		}
+
+		out := []string{"ID|Type|Priority|AllAtOnce|Status"}
+		for _, job := range jobs {
+			out = append(out, fmt.Sprintf("%s|%s|%d|%v|%s",
+				job.ID,
+				job.Type,
+				job.Priority,
+				job.AllAtOnce,
+				job.Status))
+		}
+		c.Ui.Output(columnize.SimpleFormat(out))
+		return 0
+	}
+
+	// Try querying the job
+	jobID := flags.Args()[0]
+	job, _, err := client.Jobs().Info(jobID, nil)
+	if err != nil {
+		c.Ui.Error(fmt.Sprintf("Failed querying job: %s", err))
+		return 1
+	}
+
+	// Format the job info
+	basic := []string{
+		fmt.Sprintf("ID | %s", job.ID),
+		fmt.Sprintf("Name | %s", job.Name),
+		fmt.Sprintf("Type | %s", job.Type),
+		fmt.Sprintf("Priority | %d", job.Priority),
+		fmt.Sprintf("AllAtOnce | %v", job.AllAtOnce),
+		fmt.Sprintf("Datacenters | %s", strings.Join(job.Datacenters, ",")),
+		fmt.Sprintf("Status | %s", job.Status),
+		fmt.Sprintf("StatusDescription | %s", job.StatusDescription),
+	}
+	c.Ui.Output(columnize.SimpleFormat(basic))
+
+	return 0
+}

command/status_test.go

@@ -0,0 +1,11 @@
+package command
+
+import (
+	"testing"
+
+	"github.com/mitchellh/cli"
+)
+
+func TestStatusCommand_Implements(t *testing.T) {
+	var _ cli.Command = &StatusCommand{}
+}