示例#1
0
文件: status.go 项目: bac/juju
// StatusHistory returns a slice of past statuses for several entities.
func (c *Client) StatusHistory(request params.StatusHistoryRequests) params.StatusHistoryResults {

	results := params.StatusHistoryResults{}
	// TODO(perrito666) the contents of the loop could be split into
	// a oneHistory method for clarity.
	for _, request := range request.Requests {
		filter := status.StatusHistoryFilter{
			Size:  request.Filter.Size,
			Date:  request.Filter.Date,
			Delta: request.Filter.Delta,
		}
		if err := c.checkCanRead(); err != nil {
			history := params.StatusHistoryResult{
				Error: common.ServerError(err),
			}
			results.Results = append(results.Results, history)
			continue

		}

		if err := filter.Validate(); err != nil {
			history := params.StatusHistoryResult{
				Error: common.ServerError(errors.Annotate(err, "cannot validate status history filter")),
			}
			results.Results = append(results.Results, history)
			continue
		}

		var (
			err  error
			hist []params.DetailedStatus
		)
		kind := status.HistoryKind(request.Kind)
		err = errors.NotValidf("%q requires a unit, got %T", kind, request.Tag)
		switch kind {
		case status.KindUnit, status.KindWorkload, status.KindUnitAgent:
			var u names.UnitTag
			if u, err = names.ParseUnitTag(request.Tag); err == nil {
				hist, err = c.unitStatusHistory(u, filter, kind)
			}
		default:
			var m names.MachineTag
			if m, err = names.ParseMachineTag(request.Tag); err == nil {
				hist, err = c.machineStatusHistory(m, filter, kind)
			}
		}

		if err == nil {
			sort.Sort(byTime(hist))
		}

		results.Results = append(results.Results,
			params.StatusHistoryResult{
				History: params.History{Statuses: hist},
				Error:   common.ServerError(errors.Annotatef(err, "fetching status history for %q", request.Tag)),
			})
	}
	return results
}
示例#2
0
文件: client.go 项目: bac/juju
// StatusHistory retrieves the last <size> results of
// <kind:combined|agent|workload|machine|machineinstance|container|containerinstance> status
// for <name> unit
func (c *Client) StatusHistory(kind status.HistoryKind, tag names.Tag, filter status.StatusHistoryFilter) (status.History, error) {
	var results params.StatusHistoryResults
	args := params.StatusHistoryRequest{
		Kind: string(kind),
		Filter: params.StatusHistoryFilter{
			Size:  filter.Size,
			Date:  filter.Date,
			Delta: filter.Delta,
		},
		Tag: tag.String(),
	}
	bulkArgs := params.StatusHistoryRequests{Requests: []params.StatusHistoryRequest{args}}
	err := c.facade.FacadeCall("StatusHistory", bulkArgs, &results)
	if err != nil {
		return status.History{}, errors.Trace(err)
	}
	if len(results.Results) != 1 {
		return status.History{}, errors.Errorf("expected 1 result got %d", len(results.Results))
	}
	if results.Results[0].Error != nil {
		return status.History{}, errors.Annotatef(results.Results[0].Error, "while processing the request")
	}
	history := make(status.History, len(results.Results[0].History.Statuses))
	if results.Results[0].History.Error != nil {
		return status.History{}, results.Results[0].History.Error
	}
	for i, h := range results.Results[0].History.Statuses {
		history[i] = status.DetailedStatus{
			Status:  status.Status(h.Status),
			Info:    h.Info,
			Data:    h.Data,
			Since:   h.Since,
			Kind:    status.HistoryKind(h.Kind),
			Version: h.Version,
			// TODO(perrito666) make sure these are still used.
			Life: h.Life,
			Err:  h.Err,
		}
		// TODO(perrito666) https://launchpad.net/bugs/1577589
		if !history[i].Kind.Valid() {
			logger.Errorf("history returned an unknown status kind %q", h.Kind)
		}
	}
	return history, nil
}
示例#3
0
文件: history.go 项目: bac/juju
func (c *statusHistoryCommand) Init(args []string) error {
	switch {
	case len(args) > 1:
		return errors.Errorf("unexpected arguments after entity name.")
	case len(args) == 0:
		return errors.Errorf("entity name is missing.")
	default:
		c.entityName = args[0]
	}
	// If use of ISO time not specified on command line,
	// check env var.
	if !c.isoTime {
		var err error
		envVarValue := os.Getenv(osenv.JujuStatusIsoTimeEnvKey)
		if envVarValue != "" {
			if c.isoTime, err = strconv.ParseBool(envVarValue); err != nil {
				return errors.Annotatef(err, "invalid %s env var, expected true|false", osenv.JujuStatusIsoTimeEnvKey)
			}
		}
	}
	emptyDate := c.backlogDate == ""
	emptySize := c.backlogSize == 0
	emptyDays := c.backlogSizeDays == 0
	if emptyDate && emptySize && emptyDays {
		c.backlogSize = 20
	}
	if (!emptyDays && !emptySize) || (!emptyDays && !emptyDate) || (!emptySize && !emptyDate) {
		return errors.Errorf("backlog size, backlog date and backlog days back cannot be specified together")
	}
	if c.backlogDate != "" {
		var err error
		c.date, err = time.Parse("2006-01-02", c.backlogDate)
		if err != nil {
			return errors.Annotate(err, "parsing backlog date")
		}
	}

	kind := status.HistoryKind(c.outputContent)
	if kind.Valid() {
		return nil
	}
	return errors.Errorf("unexpected status type %q", c.outputContent)
}
示例#4
0
文件: history.go 项目: bac/juju
func (c *statusHistoryCommand) Run(ctx *cmd.Context) error {
	apiclient, err := c.NewAPIClient()
	if err != nil {
		return errors.Trace(err)
	}
	defer apiclient.Close()
	kind := status.HistoryKind(c.outputContent)
	var delta *time.Duration

	if c.backlogSizeDays != 0 {
		t := time.Duration(c.backlogSizeDays*24) * time.Hour
		delta = &t
	}
	filterArgs := status.StatusHistoryFilter{
		Size:  c.backlogSize,
		Delta: delta,
	}
	if !c.date.IsZero() {
		filterArgs.Date = &c.date
	}
	var tag names.Tag
	switch kind {
	case status.KindUnit, status.KindWorkload, status.KindUnitAgent:
		if !names.IsValidUnit(c.entityName) {
			return errors.Errorf("%q is not a valid name for a %s", c.entityName, kind)
		}
		tag = names.NewUnitTag(c.entityName)
	default:
		if !names.IsValidMachine(c.entityName) {
			return errors.Errorf("%q is not a valid name for a %s", c.entityName, kind)
		}
		tag = names.NewMachineTag(c.entityName)
	}
	statuses, err := apiclient.StatusHistory(kind, tag, filterArgs)
	historyLen := len(statuses)
	if err != nil {
		if historyLen == 0 {
			return errors.Trace(err)
		}
		// Display any error, but continue to print status if some was returned
		fmt.Fprintf(ctx.Stderr, "%v\n", err)
	}

	if historyLen == 0 {
		return errors.Errorf("no status history available")
	}

	table := [][]string{{"TIME", "TYPE", "STATUS", "MESSAGE"}}
	lengths := []int{1, 1, 1, 1}

	statuses = statuses.SquashLogs(1)
	statuses = statuses.SquashLogs(2)
	statuses = statuses.SquashLogs(3)
	for _, v := range statuses {
		fields := []string{common.FormatTime(v.Since, c.isoTime), string(v.Kind), string(v.Status), v.Info}
		for k, v := range fields {
			if len(v) > lengths[k] {
				lengths[k] = len(v)
			}
		}
		table = append(table, fields)
	}
	f := fmt.Sprintf("%%-%ds\t%%-%ds\t%%-%ds\t%%-%ds\n", lengths[0], lengths[1], lengths[2], lengths[3])
	for _, v := range table {
		fmt.Printf(f, v[0], v[1], v[2], v[3])
	}
	return nil
}