Golang graphite.NewParserWithOptions函数代码示例

// Test that most specific template is chosen
func TestApplyTemplateSpecific(t *testing.T) {
	o := graphite.Options{
		Separator: "_",
		Templates: []string{
			"current.* measurement.measurement",
			"current.*.* measurement.measurement.service",
		},
	}
	p, err := graphite.NewParserWithOptions(o)
	if err != nil {
		t.Fatalf("unexpected error creating parser, got %v", err)
	}

	measurement, tags := p.ApplyTemplate("current.users.facebook")
	if measurement != "current_users" {
		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
			measurement, "current_users")
	}
	service, ok := tags["service"]
	if !ok {
		t.Error("Expected for template to apply a 'service' tag, but not found")
	}
	if service != "facebook" {
		t.Errorf("Expected service='facebook' tag, got service='%s'", service)
	}
}

// parseName parses the given bucket name with the list of bucket maps in the
// config file. If there is a match, it will parse the name of the metric and
// map of tags.
// Return values are (<name>, <tags>)
func (s *Statsd) parseName(bucket string) (string, map[string]string) {
	tags := make(map[string]string)

	bucketparts := strings.Split(bucket, ",")
	// Parse out any tags in the bucket
	if len(bucketparts) > 1 {
		for _, btag := range bucketparts[1:] {
			k, v := parseKeyValue(btag)
			if k != "" {
				tags[k] = v
			}
		}
	}

	o := graphite.Options{
		Separator:   "_",
		Templates:   s.Templates,
		DefaultTags: tags,
	}

	name := bucketparts[0]
	p, err := graphite.NewParserWithOptions(o)
	if err == nil {
		name, tags, _, _ = p.ApplyTemplate(name)
	}
	if s.ConvertNames {
		name = strings.Replace(name, ".", "_", -1)
		name = strings.Replace(name, "-", "__", -1)
	}

	return name, tags
}

// Test basic functionality of ApplyTemplate
func TestApplyTemplateNoMatch(t *testing.T) {
	o := graphite.Options{
		Separator: "_",
		Templates: []string{"foo.bar measurement.measurement"},
	}
	p, err := graphite.NewParserWithOptions(o)
	if err != nil {
		t.Fatalf("unexpected error creating parser, got %v", err)
	}

	measurement, _ := p.ApplyTemplate("current.users")
	if measurement != "current.users" {
		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
			measurement, "current.users")
	}
}

func TestApplyTemplateFieldError(t *testing.T) {
	o := graphite.Options{
		Separator: "_",
		Templates: []string{"current.* measurement.field.field"},
	}
	p, err := graphite.NewParserWithOptions(o)
	if err != nil {
		t.Fatalf("unexpected error creating parser, got %v", err)
	}

	_, _, _, err = p.ApplyTemplate("current.users.logged_in")
	if err == nil {
		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s", err,
			"'field' can only be used once in each template: current.users.logged_in")
	}
}

// Test that most specific template is N/A
func TestApplyTemplateSpecificIsNA(t *testing.T) {
	o := graphite.Options{
		Separator: "_",
		Templates: []string{
			"current.* measurement.service",
			"current.*.*.test measurement.measurement.service",
		},
	}
	p, err := graphite.NewParserWithOptions(o)
	if err != nil {
		t.Fatalf("unexpected error creating parser, got %v", err)
	}

	measurement, _, _, _ := p.ApplyTemplate("current.users.facebook")
	if measurement != "current" {
		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
			measurement, "current")
	}
}

func TestApplyTemplateField(t *testing.T) {
	o := graphite.Options{
		Separator: "_",
		Templates: []string{"current.* measurement.measurement.field"},
	}
	p, err := graphite.NewParserWithOptions(o)
	if err != nil {
		t.Fatalf("unexpected error creating parser, got %v", err)
	}

	measurement, _, field, err := p.ApplyTemplate("current.users.logged_in")

	if measurement != "current_users" {
		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
			measurement, "current_users")
	}

	if field != "logged_in" {
		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
			field, "logged_in")
	}
}

func TestFilterMatchMultipleMeasurementSeparator(t *testing.T) {
	p, err := graphite.NewParserWithOptions(graphite.Options{
		Templates: []string{"servers.localhost .host.measurement.measurement*"},
		Separator: "_",
	})
	if err != nil {
		t.Fatalf("unexpected error creating parser, got %v", err)
	}

	exp := tsdb.NewPoint("cpu_cpu_load_10",
		tsdb.Tags{"host": "localhost"},
		tsdb.Fields{"value": float64(11)},
		time.Unix(1435077219, 0))

	pt, err := p.Parse("servers.localhost.cpu.cpu_load.10 11 1435077219")
	if err != nil {
		t.Fatalf("parse error: %v", err)
	}

	if exp.String() != pt.String() {
		t.Errorf("parse mismatch: got %v, exp %v", pt.String(), exp.String())
	}
}

func TestApplyTemplateTags(t *testing.T) {
	o := graphite.Options{
		Separator: "_",
		Templates: []string{"current.* measurement.measurement region=us-west"},
	}
	p, err := graphite.NewParserWithOptions(o)
	if err != nil {
		t.Fatalf("unexpected error creating parser, got %v", err)
	}

	measurement, tags := p.ApplyTemplate("current.users")
	if measurement != "current_users" {
		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
			measurement, "current_users")
	}

	region, ok := tags["region"]
	if !ok {
		t.Error("Expected for template to apply a 'region' tag, but not found")
	}
	if region != "us-west" {
		t.Errorf("Expected region='us-west' tag, got region='%s'", region)
	}
}

//.........这里部分代码省略.........
		{
			"enquos.counters.celery.w1.composite.chargify_subscription_cache.miss.count 11 1435077219",
			"chargify_subscription_cache,agg=count,category=app,discr=miss,env=celery,host=w1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.mobile.a1.composite.groupfinder.hit.rate 11 1435077219",
			"groupfinder,agg=rate,category=app,discr=hit,env=mobile,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a2.composite.cron_task_fired.check_all_tokens.rate 11 1435077219",
			"cron_task_fired,agg=rate,category=app,discr=check_all_tokens,env=web,host=a2 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a1.composite.request_status.resp200.count 11 1435077219",
			"request_status,agg=count,category=app,discr=resp200,env=web,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a1.composite.registration.init.count 11 1435077219",
			"registration,agg=count,category=app,discr=init,env=web,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a1.composite.password.strength_failure.rate 11 1435077219",
			"password,agg=rate,category=app,discr=strength_failure,env=web,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a1.composite.nutrition_favorite.added.count 11 1435077219",
			"nutrition_favorite,agg=count,category=app,discr=added,env=web,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a1.composite.login.success.count 11 1435077219",
			"login,agg=count,category=app,discr=success,env=web,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a1.composite.password_reset.init.count 11 1435077219",
			"password_reset,agg=count,category=app,discr=init,env=web,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.mobile.a1.composite.nutrition_delta.miss.count 11 1435077219",
			"nutrition_delta,agg=count,category=app,discr=miss,env=mobile,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a1.composite.about_dev.attempt.count 11 1435077219",
			"about_dev,agg=count,category=app,discr=attempt,env=web,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a1.composite.chargify_webhook.statement_settled.count 11 1435077219",
			"chargify_webhook,agg=count,category=app,discr=statement_settled,env=web,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.web.a1.ratelimit_redis_error.count 11 1435077219",
			"ratelimit_redis_error,agg=count,category=app,env=web,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.counters.celery.w1.validic.imported.fitbit.routine.count  11 1435077219",
			"validic_imported,agg=count,category=app,env=celery,host=w1,kind=routine,source=fitbit value=11 1435077219000000000",
		},
		// Timers
		{
			"enquos.timers.web.a3.request_duration.mean_99 11 1435077219",
			"request_duration,agg=mean_99,category=app,env=web,host=a3 value=11 1435077219000000000",
		},
		{
			"enquos.timers.mobile.a1.health_check.upper 11 1435077219",
			"health_check,agg=upper,category=app,env=mobile,host=a1 value=11 1435077219000000000",
		},
		{
			"enquos.timers.web.a2.groupfinder.total.mean 11 1435077219",
			"groupfinder,agg=mean,category=app,env=web,host=a2 value=11 1435077219000000000",
		},
		// Cassandra driver
		{
			"enquos.scales.web.a3.cassandra.request_timer.99percentile 11 1435077219",
			"cassandra_request_timer,agg=99percentile,category=app,env=web,host=a3 value=11 1435077219000000000",
		},
		{
			"enquos.scales.celery.w2.cassandra.read_timeouts 11 1435077219",
			"cassandra_read_timeouts,category=app,env=celery,host=w2 value=11 1435077219000000000",
		},
	}

	p, err := graphite.NewParserWithOptions(graphite.Options{
		Templates: templates,
		Separator: "_",
	})

	if err != nil {
		t.Fatalf("unexpected error creating parser, got %v", err)
	}

	for _, tc := range test_cases {
		pt, err := p.Parse(tc.metric)
		if err != nil {
			t.Fatalf("parse error: %v", err)
		}
		if pt.String() != tc.expected {
			t.Errorf("parse mismatch: got %v, exp %v", pt.String(), tc.expected)
		}
	}

}