open-nomad/command/inspect.go

135 lines
2.7 KiB
Go

package command
import (
"fmt"
"strings"
"github.com/hashicorp/nomad/api"
)
type InspectCommand struct {
Meta
}
func (c *InspectCommand) Help() string {
helpText := `
Usage: nomad inspect [options] <job>
Inspect is used to see the specification of a submitted job.
General Options:
` + generalOptionsUsage() + `
Inspect Options:
-json
Output the job in its JSON format.
-t
Format and display job using a Go template.
`
return strings.TrimSpace(helpText)
}
func (c *InspectCommand) Synopsis() string {
return "Inspect a submitted job"
}
func (c *InspectCommand) Run(args []string) int {
var json bool
var tmpl string
flags := c.Meta.FlagSet("inspect", FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
flags.BoolVar(&json, "json", false, "")
flags.StringVar(&tmpl, "t", "", "")
if err := flags.Parse(args); err != nil {
return 1
}
args = flags.Args()
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
// If args not specified but output format is specified, format and output the jobs data list
if len(args) == 0 && json || len(tmpl) > 0 {
jobs, _, err := client.Jobs().List(nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error querying jobs: %v", err))
return 1
}
out, err := Format(json, tmpl, jobs)
if err != nil {
c.Ui.Error(err.Error())
return 1
}
c.Ui.Output(out)
return 0
}
// Check that we got exactly one job
if len(args) != 1 {
c.Ui.Error(c.Help())
return 1
}
jobID := args[0]
// Check if the job exists
jobs, _, err := client.Jobs().PrefixList(jobID)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error inspecting job: %s", err))
return 1
}
if len(jobs) == 0 {
c.Ui.Error(fmt.Sprintf("No job(s) with prefix or id %q found", jobID))
return 1
}
if len(jobs) > 1 && strings.TrimSpace(jobID) != jobs[0].ID {
c.Ui.Output(fmt.Sprintf("Prefix matched multiple jobs\n\n%s", createStatusListOutput(jobs)))
return 0
}
// Prefix lookup matched a single job
job, _, err := client.Jobs().Info(jobs[0].ID, nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error inspecting job: %s", err))
return 1
}
// If output format is specified, format and output the data
if json || len(tmpl) > 0 {
out, err := Format(json, tmpl, job)
if err != nil {
c.Ui.Error(err.Error())
return 1
}
c.Ui.Output(out)
return 0
}
// Print the contents of the job
req := api.RegisterJobRequest{Job: job}
f, err := DataFormat("json", "")
if err != nil {
c.Ui.Error(fmt.Sprintf("Error getting formatter: %s", err))
return 1
}
out, err := f.TransformData(req)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error formatting the data: %s", err))
return 1
}
c.Ui.Output(out)
return 0
}