149 lines
3.7 KiB
Go
149 lines
3.7 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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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/hashicorp/nomad/api/contexts"
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"github.com/posener/complete"
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)
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type JobEvalCommand struct {
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Meta
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forceRescheduling bool
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}
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func (c *JobEvalCommand) Help() string {
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helpText := `
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Usage: nomad job eval [options] <job_id>
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Force an evaluation of the provided job ID. Forcing an evaluation will
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trigger the scheduler to re-evaluate the job. The force flags allow
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operators to force the scheduler to create new allocations under certain
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scenarios.
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When ACLs are enabled, this command requires a token with the 'submit-job'
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capability for the job's namespace. The 'list-jobs' capability is required to
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run the command with a job prefix instead of the exact job ID. The 'read-job'
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capability is required to monitor the resulting evaluation when -detach is
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not used.
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General Options:
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` + generalOptionsUsage(usageOptsDefault) + `
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Eval Options:
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-force-reschedule
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Force reschedule failed allocations even if they are not currently
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eligible for rescheduling.
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-detach
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Return immediately instead of entering monitor mode. The ID
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of the evaluation created will be printed to the screen, which can be
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used to 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 *JobEvalCommand) Synopsis() string {
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return "Force an evaluation for the job"
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}
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func (c *JobEvalCommand) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
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complete.Flags{
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"-force-reschedule": complete.PredictNothing,
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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 *JobEvalCommand) 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.Search().PrefixSearch(a.Last, contexts.Jobs, nil)
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if err != nil {
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return []string{}
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}
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return resp.Matches[contexts.Jobs]
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})
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}
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func (c *JobEvalCommand) Name() string { return "job eval" }
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func (c *JobEvalCommand) 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(&c.forceRescheduling, "force-reschedule", false, "")
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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 either got no jobs or exactly one.
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args = flags.Args()
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if len(args) != 1 {
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c.Ui.Error("This command takes one argument: <job>")
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c.Ui.Error(commandErrorText(c))
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return 1
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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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// 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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// Check if the job exists
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jobIDPrefix := strings.TrimSpace(args[0])
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jobID, namespace, err := c.JobIDByPrefix(client, jobIDPrefix, nil)
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if err != nil {
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c.Ui.Error(err.Error())
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return 1
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}
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// Call eval endpoint
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opts := api.EvalOptions{
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ForceReschedule: c.forceRescheduling,
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}
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w := &api.WriteOptions{
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Namespace: namespace,
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}
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evalId, _, err := client.Jobs().EvaluateWithOpts(jobID, opts, w)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error evaluating job: %s", err))
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return 1
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}
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if detach {
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c.Ui.Output(fmt.Sprintf("Created eval ID: %q ", limit(evalId, length)))
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return 0
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}
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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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