158 lines
4 KiB
Go
158 lines
4 KiB
Go
package command
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import (
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"fmt"
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"strings"
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"github.com/hashicorp/nomad/api"
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"github.com/posener/complete"
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)
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type JobPeriodicForceCommand struct {
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Meta
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}
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func (c *JobPeriodicForceCommand) Help() string {
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helpText := `
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Usage: nomad job periodic force <job id>
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This command is used to force the creation of a new instance of a periodic job.
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This is used to immediately run a periodic job, even if it violates the job's
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prohibit_overlap setting.
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When ACLs are enabled, this command requires a token with the 'submit-job'
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and 'list-jobs' capabilities for the job's namespace.
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General Options:
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` + generalOptionsUsage(usageOptsDefault) + `
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Periodic Force Options:
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-detach
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Return immediately instead of entering monitor mode. After the force,
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the evaluation ID will be printed to the screen, which can be used to
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examine the evaluation using the eval-status command.
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-verbose
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Display full information.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *JobPeriodicForceCommand) Synopsis() string {
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return "Force the launch of a periodic job"
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}
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func (c *JobPeriodicForceCommand) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
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complete.Flags{
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"-detach": complete.PredictNothing,
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"-verbose": complete.PredictNothing,
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})
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}
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func (c *JobPeriodicForceCommand) AutocompleteArgs() complete.Predictor {
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return complete.PredictFunc(func(a complete.Args) []string {
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client, err := c.Meta.Client()
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if err != nil {
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return nil
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}
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resp, _, err := client.Jobs().PrefixList(a.Last)
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if err != nil {
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return []string{}
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}
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// filter this by periodic jobs
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matches := make([]string, 0, len(resp))
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for _, job := range resp {
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if job.Periodic {
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matches = append(matches, job.ID)
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}
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}
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return matches
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})
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}
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func (c *JobPeriodicForceCommand) Name() string { return "job periodic force" }
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func (c *JobPeriodicForceCommand) Run(args []string) int {
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var detach, verbose bool
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flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
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flags.Usage = func() { c.Ui.Output(c.Help()) }
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flags.BoolVar(&detach, "detach", false, "")
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flags.BoolVar(&verbose, "verbose", false, "")
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if err := flags.Parse(args); err != nil {
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return 1
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}
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// Check that we got exactly one argument
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args = flags.Args()
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if l := len(args); l != 1 {
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c.Ui.Error("This command takes one argument: <job id>")
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c.Ui.Error(commandErrorText(c))
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return 1
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}
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// Truncate the id unless full length is requested
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length := shortId
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if verbose {
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length = fullId
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}
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// Get the HTTP client
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client, err := c.Meta.Client()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
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return 1
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}
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// Check if the job exists
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jobID := args[0]
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jobs, _, err := client.Jobs().PrefixList(jobID)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error forcing periodic job: %s", err))
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return 1
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}
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// filter non-periodic jobs
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periodicJobs := make([]*api.JobListStub, 0, len(jobs))
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for _, j := range jobs {
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if j.Periodic {
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periodicJobs = append(periodicJobs, j)
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}
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}
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if len(periodicJobs) == 0 {
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c.Ui.Error(fmt.Sprintf("No periodic job(s) with prefix or id %q found", jobID))
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return 1
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}
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// preriodicJobs is sorted by job ID
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// so if there is a job whose ID is equal to jobID then it must be the first item
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if len(periodicJobs) > 1 && periodicJobs[0].ID != jobID {
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c.Ui.Error(fmt.Sprintf("Prefix matched multiple periodic jobs\n\n%s", createStatusListOutput(periodicJobs, c.allNamespaces())))
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return 1
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}
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jobID = periodicJobs[0].ID
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q := &api.WriteOptions{Namespace: periodicJobs[0].JobSummary.Namespace}
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// force the evaluation
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evalID, _, err := client.Jobs().PeriodicForce(jobID, q)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error forcing periodic job %q: %s", jobID, err))
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return 1
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}
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if detach {
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c.Ui.Output("Force periodic successful")
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c.Ui.Output("Evaluation ID: " + evalID)
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return 0
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}
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// Detach was not specified, so start monitoring
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mon := newMonitor(c.Ui, client, length)
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return mon.monitor(evalID)
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}
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