Golang Client.Jobs方法代码示例

// outputPeriodicInfo prints information about the passed periodic job. If a
// request fails, an error is returned.
func (c *StatusCommand) outputPeriodicInfo(client *api.Client, job *api.Job) error {
	// Generate the prefix that matches launched jobs from the periodic job.
	prefix := fmt.Sprintf("%s%s", job.ID, structs.PeriodicLaunchSuffix)
	children, _, err := client.Jobs().PrefixList(prefix)
	if err != nil {
		return fmt.Errorf("Error querying job: %s", err)
	}

	if len(children) == 0 {
		c.Ui.Output("\nNo instances of periodic job found")
		return nil
	}

	out := make([]string, 1)
	out[0] = "ID|Status"
	for _, child := range children {
		// Ensure that we are only showing jobs whose parent is the requested
		// job.
		if child.ParentID != job.ID {
			continue
		}

		out = append(out, fmt.Sprintf("%s|%s",
			child.ID,
			child.Status))
	}

	c.Ui.Output(fmt.Sprintf("\nPreviously launched jobs:\n%s", formatList(out)))
	return nil
}

// outputJobInfo prints information about the passed non-periodic job. If a
// request fails, an error is returned.
func (c *StatusCommand) outputJobInfo(client *api.Client, job *api.Job) error {
	var evals, allocs []string

	// Query the evaluations
	jobEvals, _, err := client.Jobs().Evaluations(job.ID, nil)
	if err != nil {
		return fmt.Errorf("Error querying job evaluations: %s", err)
	}

	// Query the allocations
	jobAllocs, _, err := client.Jobs().Allocations(job.ID, nil)
	if err != nil {
		return fmt.Errorf("Error querying job allocations: %s", err)
	}

	// Format the evals
	evals = make([]string, len(jobEvals)+1)
	evals[0] = "ID|Priority|TriggeredBy|Status"
	for i, eval := range jobEvals {
		evals[i+1] = fmt.Sprintf("%s|%d|%s|%s",
			eval.ID[:c.length],
			eval.Priority,
			eval.TriggeredBy,
			eval.Status)
	}

	// Format the allocs
	allocs = make([]string, len(jobAllocs)+1)
	allocs[0] = "ID|EvalID|NodeID|TaskGroup|Desired|Status"
	for i, alloc := range jobAllocs {
		allocs[i+1] = fmt.Sprintf("%s|%s|%s|%s|%s|%s",
			alloc.ID[:c.length],
			alloc.EvalID[:c.length],
			alloc.NodeID[:c.length],
			alloc.TaskGroup,
			alloc.DesiredStatus,
			alloc.ClientStatus)
	}

	c.Ui.Output("\n==> Evaluations")
	c.Ui.Output(formatList(evals))
	c.Ui.Output("\n==> Allocations")
	c.Ui.Output(formatList(allocs))
	return nil
}

// Get Random Allocation ID from a known jobID. Prefer to use a running allocation,
// but use a dead allocation if no running allocations are found
func getRandomJobAlloc(client *api.Client, jobID string) (string, error) {
	var runningAllocs []*api.AllocationListStub
	allocs, _, err := client.Jobs().Allocations(jobID, nil)

	// Check that the job actually has allocations
	if len(allocs) == 0 {
		return "", fmt.Errorf("job %q doesn't exist or it has no allocations", jobID)
	}

	for _, v := range allocs {
		if v.ClientStatus == "running" {
			runningAllocs = append(runningAllocs, v)
		}
	}
	// If we don't have any allocations running, use dead allocations
	if len(runningAllocs) < 1 {
		runningAllocs = allocs
	}

	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	allocID := runningAllocs[r.Intn(len(runningAllocs))].ID
	return allocID, err
}

// outputJobInfo prints information about the passed non-periodic job. If a
// request fails, an error is returned.
func (c *StatusCommand) outputJobInfo(client *api.Client, job *api.Job) error {
	var evals, allocs []string

	// Query the allocations
	jobAllocs, _, err := client.Jobs().Allocations(job.ID, nil)
	if err != nil {
		return fmt.Errorf("Error querying job allocations: %s", err)
	}

	// Query the evaluations
	jobEvals, _, err := client.Jobs().Evaluations(job.ID, nil)
	if err != nil {
		return fmt.Errorf("Error querying job evaluations: %s", err)
	}

	// Determine latest evaluation with failures whose follow up hasn't
	// completed, this is done while formatting
	var latestFailedPlacement *api.Evaluation
	blockedEval := false

	// Format the evals
	evals = make([]string, len(jobEvals)+1)
	evals[0] = "ID|Priority|Triggered By|Status|Placement Failures"
	for i, eval := range jobEvals {
		failures, _ := evalFailureStatus(eval)
		evals[i+1] = fmt.Sprintf("%s|%d|%s|%s|%s",
			limit(eval.ID, c.length),
			eval.Priority,
			eval.TriggeredBy,
			eval.Status,
			failures,
		)

		if eval.Status == "blocked" {
			blockedEval = true
		}

		if len(eval.FailedTGAllocs) == 0 {
			// Skip evals without failures
			continue
		}

		if latestFailedPlacement == nil || latestFailedPlacement.CreateIndex < eval.CreateIndex {
			latestFailedPlacement = eval
		}
	}

	if c.verbose || c.showEvals {
		c.Ui.Output(c.Colorize().Color("\n[bold]Evaluations[reset]"))
		c.Ui.Output(formatList(evals))
	}

	if blockedEval && latestFailedPlacement != nil {
		c.outputFailedPlacements(latestFailedPlacement)
	}

	// Format the allocs
	c.Ui.Output(c.Colorize().Color("\n[bold]Allocations[reset]"))
	if len(jobAllocs) > 0 {
		allocs = make([]string, len(jobAllocs)+1)
		allocs[0] = "ID|Eval ID|Node ID|Task Group|Desired|Status"
		for i, alloc := range jobAllocs {
			allocs[i+1] = fmt.Sprintf("%s|%s|%s|%s|%s|%s",
				limit(alloc.ID, c.length),
				limit(alloc.EvalID, c.length),
				limit(alloc.NodeID, c.length),
				alloc.TaskGroup,
				alloc.DesiredStatus,
				alloc.ClientStatus)
		}

		c.Ui.Output(formatList(allocs))
	} else {
		c.Ui.Output("No allocations placed")
	}
	return nil
}