Files
nomad/command/job_dispatch.go
2016-12-04 21:22:13 -08:00

113 lines
2.3 KiB
Go

package command
import (
"fmt"
"io/ioutil"
"os"
"strings"
flaghelper "github.com/hashicorp/nomad/helper/flag-helpers"
)
type JobDispatchCommand struct {
Meta
}
func (c *JobDispatchCommand) Help() string {
helpText := `
Usage: nomad job dispatch [options] <dispatch-template>
General Options:
` + generalOptionsUsage() + `
Dispatch Options:
`
return strings.TrimSpace(helpText)
}
func (c *JobDispatchCommand) Synopsis() string {
return "Dispatch an instance of a dispatch template"
}
func (c *JobDispatchCommand) Run(args []string) int {
var detach, verbose bool
var meta []string
var inputFile string
flags := c.Meta.FlagSet("job dispatch", FlagSetClient)
flags.Usage = func() { c.Ui.Output(c.Help()) }
flags.BoolVar(&detach, "detach", false, "")
flags.BoolVar(&verbose, "verbose", false, "")
flags.StringVar(&inputFile, "input-file", "", "")
flags.Var((*flaghelper.StringFlag)(&meta), "meta", "")
if err := flags.Parse(args); err != nil {
return 1
}
// Truncate the id unless full length is requested
//length := shortId
//if verbose {
//length = fullId
//}
// Check that we got exactly one node
args = flags.Args()
if len(args) != 1 {
c.Ui.Error(c.Help())
return 1
}
templateJob := args[0]
var inputData []byte
var readErr error
// If the input data is specified try to read from the file
if inputFile != "" {
inputData, readErr = ioutil.ReadFile(inputFile)
} else {
// Read from stdin
inputData, readErr = ioutil.ReadAll(os.Stdin)
}
if readErr != nil {
c.Ui.Error(fmt.Sprintf("Error reading input data: %v", readErr))
return 1
}
// Build the meta
metaMap := make(map[string]string, len(meta))
for _, m := range meta {
split := strings.SplitN(m, "=", 2)
if len(split) != 2 {
c.Ui.Error(fmt.Sprintf("Error parsing meta value: %v", m))
return 1
}
metaMap[split[0]] = split[1]
}
// Get the HTTP client
client, err := c.Meta.Client()
if err != nil {
c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
return 1
}
// Dispatch the job
resp, _, err := client.Jobs().Dispatch(templateJob, metaMap, inputData, nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Failed to dispatch job: %s", err))
return 1
}
basic := []string{
fmt.Sprintf("Dispatched Job ID|%s", resp.DispatchedJobID),
fmt.Sprintf("Evaluation ID|%s", resp.EvalID),
}
c.Ui.Output(formatKV(basic))
return 0
}