818 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			818 lines
		
	
	
		
			23 KiB
		
	
	
	
		
			Go
		
	
	
	
| package graphite
 | |
| 
 | |
| import (
 | |
| 	"reflect"
 | |
| 	"strconv"
 | |
| 	"testing"
 | |
| 	"time"
 | |
| 
 | |
| 	"github.com/influxdata/telegraf/internal/templating"
 | |
| 	"github.com/influxdata/telegraf/metric"
 | |
| 
 | |
| 	"github.com/stretchr/testify/assert"
 | |
| 	"github.com/stretchr/testify/require"
 | |
| )
 | |
| 
 | |
| func BenchmarkParse(b *testing.B) {
 | |
| 	p, err := NewGraphiteParser("_", []string{
 | |
| 		"*.* .wrong.measurement*",
 | |
| 		"servers.* .host.measurement*",
 | |
| 		"servers.localhost .host.measurement*",
 | |
| 		"*.localhost .host.measurement*",
 | |
| 		"*.*.cpu .host.measurement*",
 | |
| 		"a.b.c .host.measurement*",
 | |
| 		"influxd.*.foo .host.measurement*",
 | |
| 		"prod.*.mem .host.measurement*",
 | |
| 	}, nil)
 | |
| 
 | |
| 	if err != nil {
 | |
| 		b.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	for i := 0; i < b.N; i++ {
 | |
| 		p.Parse([]byte("servers.localhost.cpu.load 11 1435077219"))
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestTemplateApply(t *testing.T) {
 | |
| 	var tests = []struct {
 | |
| 		test        string
 | |
| 		input       string
 | |
| 		template    string
 | |
| 		measurement string
 | |
| 		tags        map[string]string
 | |
| 		err         string
 | |
| 	}{
 | |
| 		{
 | |
| 			test:        "metric only",
 | |
| 			input:       "cpu",
 | |
| 			template:    "measurement",
 | |
| 			measurement: "cpu",
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "metric with single series",
 | |
| 			input:       "cpu.server01",
 | |
| 			template:    "measurement.hostname",
 | |
| 			measurement: "cpu",
 | |
| 			tags:        map[string]string{"hostname": "server01"},
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "metric with multiple series",
 | |
| 			input:       "cpu.us-west.server01",
 | |
| 			template:    "measurement.region.hostname",
 | |
| 			measurement: "cpu",
 | |
| 			tags:        map[string]string{"hostname": "server01", "region": "us-west"},
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "metric with multiple tags",
 | |
| 			input:       "server01.example.org.cpu.us-west",
 | |
| 			template:    "hostname.hostname.hostname.measurement.region",
 | |
| 			measurement: "cpu",
 | |
| 			tags:        map[string]string{"hostname": "server01.example.org", "region": "us-west"},
 | |
| 		},
 | |
| 		{
 | |
| 			test: "no metric",
 | |
| 			tags: make(map[string]string),
 | |
| 			err:  `no measurement specified for template. ""`,
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "ignore unnamed",
 | |
| 			input:       "foo.cpu",
 | |
| 			template:    "measurement",
 | |
| 			measurement: "foo",
 | |
| 			tags:        make(map[string]string),
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "name shorter than template",
 | |
| 			input:       "foo",
 | |
| 			template:    "measurement.A.B.C",
 | |
| 			measurement: "foo",
 | |
| 			tags:        make(map[string]string),
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "wildcard measurement at end",
 | |
| 			input:       "prod.us-west.server01.cpu.load",
 | |
| 			template:    "env.zone.host.measurement*",
 | |
| 			measurement: "cpu.load",
 | |
| 			tags:        map[string]string{"env": "prod", "zone": "us-west", "host": "server01"},
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "skip fields",
 | |
| 			input:       "ignore.us-west.ignore-this-too.cpu.load",
 | |
| 			template:    ".zone..measurement*",
 | |
| 			measurement: "cpu.load",
 | |
| 			tags:        map[string]string{"zone": "us-west"},
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "conjoined fields",
 | |
| 			input:       "prod.us-west.server01.cpu.util.idle.percent",
 | |
| 			template:    "env.zone.host.measurement.measurement.field*",
 | |
| 			measurement: "cpu.util",
 | |
| 			tags:        map[string]string{"env": "prod", "zone": "us-west", "host": "server01"},
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "multiple fields",
 | |
| 			input:       "prod.us-west.server01.cpu.util.idle.percent.free",
 | |
| 			template:    "env.zone.host.measurement.measurement.field.field.reading",
 | |
| 			measurement: "cpu.util",
 | |
| 			tags:        map[string]string{"env": "prod", "zone": "us-west", "host": "server01", "reading": "free"},
 | |
| 		},
 | |
| 	}
 | |
| 
 | |
| 	for _, test := range tests {
 | |
| 		tmpl, err := templating.NewDefaultTemplateWithPattern(test.template)
 | |
| 		if errstr(err) != test.err {
 | |
| 			t.Fatalf("err does not match.  expected %v, got %v", test.err, err)
 | |
| 		}
 | |
| 		if err != nil {
 | |
| 			// If we erred out,it was intended and the following tests won't work
 | |
| 			continue
 | |
| 		}
 | |
| 
 | |
| 		measurement, tags, _, _ := tmpl.Apply(test.input, DefaultSeparator)
 | |
| 		if measurement != test.measurement {
 | |
| 			t.Fatalf("name parse failer.  expected %v, got %v", test.measurement, measurement)
 | |
| 		}
 | |
| 		if len(tags) != len(test.tags) {
 | |
| 			t.Fatalf("unexpected number of tags.  expected %v, got %v", test.tags, tags)
 | |
| 		}
 | |
| 		for k, v := range test.tags {
 | |
| 			if tags[k] != v {
 | |
| 				t.Fatalf("unexpected tag value for tags[%s].  expected %q, got %q", k, v, tags[k])
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestParseMissingMeasurement(t *testing.T) {
 | |
| 	_, err := NewGraphiteParser("", []string{"a.b.c"}, nil)
 | |
| 	if err == nil {
 | |
| 		t.Fatalf("expected error creating parser, got nil")
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestParseLine(t *testing.T) {
 | |
| 	testTime := time.Now().Round(time.Second)
 | |
| 	epochTime := testTime.Unix()
 | |
| 	strTime := strconv.FormatInt(epochTime, 10)
 | |
| 
 | |
| 	var tests = []struct {
 | |
| 		test        string
 | |
| 		input       string
 | |
| 		measurement string
 | |
| 		tags        map[string]string
 | |
| 		value       float64
 | |
| 		time        time.Time
 | |
| 		template    string
 | |
| 		err         string
 | |
| 	}{
 | |
| 		{
 | |
| 			test:        "normal case",
 | |
| 			input:       `cpu.foo.bar 50 ` + strTime,
 | |
| 			template:    "measurement.foo.bar",
 | |
| 			measurement: "cpu",
 | |
| 			tags: map[string]string{
 | |
| 				"foo": "foo",
 | |
| 				"bar": "bar",
 | |
| 			},
 | |
| 			value: 50,
 | |
| 			time:  testTime,
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "metric only with float value",
 | |
| 			input:       `cpu 50.554 ` + strTime,
 | |
| 			measurement: "cpu",
 | |
| 			template:    "measurement",
 | |
| 			value:       50.554,
 | |
| 			time:        testTime,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "missing metric",
 | |
| 			input:    `1419972457825`,
 | |
| 			template: "measurement",
 | |
| 			err:      `received "1419972457825" which doesn't have required fields`,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "should error parsing invalid float",
 | |
| 			input:    `cpu 50.554z 1419972457825`,
 | |
| 			template: "measurement",
 | |
| 			err:      `field "cpu" value: strconv.ParseFloat: parsing "50.554z": invalid syntax`,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "should error parsing invalid int",
 | |
| 			input:    `cpu 50z 1419972457825`,
 | |
| 			template: "measurement",
 | |
| 			err:      `field "cpu" value: strconv.ParseFloat: parsing "50z": invalid syntax`,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "should error parsing invalid time",
 | |
| 			input:    `cpu 50.554 14199724z57825`,
 | |
| 			template: "measurement",
 | |
| 			err:      `field "cpu" time: strconv.ParseFloat: parsing "14199724z57825": invalid syntax`,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "measurement* and field* (invalid)",
 | |
| 			input:    `prod.us-west.server01.cpu.util.idle.percent 99.99 1419972457825`,
 | |
| 			template: "env.zone.host.measurement*.field*",
 | |
| 			err:      `either 'field*' or 'measurement*' can be used in each template (but not both together): "env.zone.host.measurement*.field*"`,
 | |
| 		},
 | |
| 	}
 | |
| 
 | |
| 	for _, test := range tests {
 | |
| 		p, err := NewGraphiteParser("", []string{test.template}, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("unexpected error creating graphite parser: %v", err)
 | |
| 		}
 | |
| 
 | |
| 		metric, err := p.ParseLine(test.input)
 | |
| 		if errstr(err) != test.err {
 | |
| 			t.Fatalf("err does not match.  expected %v, got %v", test.err, err)
 | |
| 		}
 | |
| 		if err != nil {
 | |
| 			// If we erred out,it was intended and the following tests won't work
 | |
| 			continue
 | |
| 		}
 | |
| 		if metric.Name() != test.measurement {
 | |
| 			t.Fatalf("name parse failer.  expected %v, got %v",
 | |
| 				test.measurement, metric.Name())
 | |
| 		}
 | |
| 		if len(metric.Tags()) != len(test.tags) {
 | |
| 			t.Fatalf("tags len mismatch.  expected %d, got %d",
 | |
| 				len(test.tags), len(metric.Tags()))
 | |
| 		}
 | |
| 		f := metric.Fields()["value"].(float64)
 | |
| 		if metric.Fields()["value"] != f {
 | |
| 			t.Fatalf("floatValue value mismatch.  expected %v, got %v",
 | |
| 				test.value, f)
 | |
| 		}
 | |
| 		if metric.Time().UnixNano()/1000000 != test.time.UnixNano()/1000000 {
 | |
| 			t.Fatalf("time value mismatch.  expected %v, got %v",
 | |
| 				test.time.UnixNano(), metric.Time().UnixNano())
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestParse(t *testing.T) {
 | |
| 	testTime := time.Now().Round(time.Second)
 | |
| 	epochTime := testTime.Unix()
 | |
| 	strTime := strconv.FormatInt(epochTime, 10)
 | |
| 
 | |
| 	var tests = []struct {
 | |
| 		test        string
 | |
| 		input       []byte
 | |
| 		measurement string
 | |
| 		tags        map[string]string
 | |
| 		value       float64
 | |
| 		time        time.Time
 | |
| 		template    string
 | |
| 		err         string
 | |
| 	}{
 | |
| 		{
 | |
| 			test:        "normal case",
 | |
| 			input:       []byte(`cpu.foo.bar 50 ` + strTime),
 | |
| 			template:    "measurement.foo.bar",
 | |
| 			measurement: "cpu",
 | |
| 			tags: map[string]string{
 | |
| 				"foo": "foo",
 | |
| 				"bar": "bar",
 | |
| 			},
 | |
| 			value: 50,
 | |
| 			time:  testTime,
 | |
| 		},
 | |
| 		{
 | |
| 			test:        "metric only with float value",
 | |
| 			input:       []byte(`cpu 50.554 ` + strTime),
 | |
| 			measurement: "cpu",
 | |
| 			template:    "measurement",
 | |
| 			value:       50.554,
 | |
| 			time:        testTime,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "missing metric",
 | |
| 			input:    []byte(`1419972457825`),
 | |
| 			template: "measurement",
 | |
| 			err:      `received "1419972457825" which doesn't have required fields`,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "should error parsing invalid float",
 | |
| 			input:    []byte(`cpu 50.554z 1419972457825`),
 | |
| 			template: "measurement",
 | |
| 			err:      `field "cpu" value: strconv.ParseFloat: parsing "50.554z": invalid syntax`,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "should error parsing invalid int",
 | |
| 			input:    []byte(`cpu 50z 1419972457825`),
 | |
| 			template: "measurement",
 | |
| 			err:      `field "cpu" value: strconv.ParseFloat: parsing "50z": invalid syntax`,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "should error parsing invalid time",
 | |
| 			input:    []byte(`cpu 50.554 14199724z57825`),
 | |
| 			template: "measurement",
 | |
| 			err:      `field "cpu" time: strconv.ParseFloat: parsing "14199724z57825": invalid syntax`,
 | |
| 		},
 | |
| 		{
 | |
| 			test:     "measurement* and field* (invalid)",
 | |
| 			input:    []byte(`prod.us-west.server01.cpu.util.idle.percent 99.99 1419972457825`),
 | |
| 			template: "env.zone.host.measurement*.field*",
 | |
| 			err:      `either 'field*' or 'measurement*' can be used in each template (but not both together): "env.zone.host.measurement*.field*"`,
 | |
| 		},
 | |
| 	}
 | |
| 
 | |
| 	for _, test := range tests {
 | |
| 		p, err := NewGraphiteParser("", []string{test.template}, nil)
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("unexpected error creating graphite parser: %v", err)
 | |
| 		}
 | |
| 
 | |
| 		metrics, err := p.Parse(test.input)
 | |
| 		if errstr(err) != test.err {
 | |
| 			t.Fatalf("err does not match.  expected [%v], got [%v]", test.err, err)
 | |
| 		}
 | |
| 		if err != nil {
 | |
| 			// If we erred out,it was intended and the following tests won't work
 | |
| 			continue
 | |
| 		}
 | |
| 		if metrics[0].Name() != test.measurement {
 | |
| 			t.Fatalf("name parse failer.  expected %v, got %v",
 | |
| 				test.measurement, metrics[0].Name())
 | |
| 		}
 | |
| 		if len(metrics[0].Tags()) != len(test.tags) {
 | |
| 			t.Fatalf("tags len mismatch.  expected %d, got %d",
 | |
| 				len(test.tags), len(metrics[0].Tags()))
 | |
| 		}
 | |
| 		f := metrics[0].Fields()["value"].(float64)
 | |
| 		if metrics[0].Fields()["value"] != f {
 | |
| 			t.Fatalf("floatValue value mismatch.  expected %v, got %v",
 | |
| 				test.value, f)
 | |
| 		}
 | |
| 		if metrics[0].Time().UnixNano()/1000000 != test.time.UnixNano()/1000000 {
 | |
| 			t.Fatalf("time value mismatch.  expected %v, got %v",
 | |
| 				test.time.UnixNano(), metrics[0].Time().UnixNano())
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestParseNaN(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{"measurement*"}, nil)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	_, err = p.ParseLine("servers.localhost.cpu_load NaN 1435077219")
 | |
| 	assert.Error(t, err)
 | |
| 
 | |
| 	if _, ok := err.(*UnsupposedValueError); !ok {
 | |
| 		t.Fatalf("expected *ErrUnsupportedValue, got %v", reflect.TypeOf(err))
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestFilterMatchDefault(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{"servers.localhost .host.measurement*"}, nil)
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	exp, err := metric.New("miss.servers.localhost.cpu_load",
 | |
| 		map[string]string{},
 | |
| 		map[string]interface{}{"value": float64(11)},
 | |
| 		time.Unix(1435077219, 0))
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	m, err := p.ParseLine("miss.servers.localhost.cpu_load 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	assert.Equal(t, exp, m)
 | |
| }
 | |
| 
 | |
| func TestFilterMatchMultipleMeasurement(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{"servers.localhost .host.measurement.measurement*"}, nil)
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	exp, err := metric.New("cpu.cpu_load.10",
 | |
| 		map[string]string{"host": "localhost"},
 | |
| 		map[string]interface{}{"value": float64(11)},
 | |
| 		time.Unix(1435077219, 0))
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu.cpu_load.10 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	assert.Equal(t, exp, m)
 | |
| }
 | |
| 
 | |
| func TestFilterMatchMultipleMeasurementSeparator(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("_",
 | |
| 		[]string{"servers.localhost .host.measurement.measurement*"},
 | |
| 		nil,
 | |
| 	)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	exp, err := metric.New("cpu_cpu_load_10",
 | |
| 		map[string]string{"host": "localhost"},
 | |
| 		map[string]interface{}{"value": float64(11)},
 | |
| 		time.Unix(1435077219, 0))
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu.cpu_load.10 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	assert.Equal(t, exp, m)
 | |
| }
 | |
| 
 | |
| func TestFilterMatchSingle(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{"servers.localhost .host.measurement*"}, nil)
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	exp, err := metric.New("cpu_load",
 | |
| 		map[string]string{"host": "localhost"},
 | |
| 		map[string]interface{}{"value": float64(11)},
 | |
| 		time.Unix(1435077219, 0))
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu_load 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	assert.Equal(t, exp, m)
 | |
| }
 | |
| 
 | |
| func TestParseNoMatch(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{"servers.*.cpu .host.measurement.cpu.measurement"}, nil)
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	exp, err := metric.New("servers.localhost.memory.VmallocChunk",
 | |
| 		map[string]string{},
 | |
| 		map[string]interface{}{"value": float64(11)},
 | |
| 		time.Unix(1435077219, 0))
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.memory.VmallocChunk 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	assert.Equal(t, exp, m)
 | |
| }
 | |
| 
 | |
| func TestFilterMatchWildcard(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{"servers.* .host.measurement*"}, nil)
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	exp, err := metric.New("cpu_load",
 | |
| 		map[string]string{"host": "localhost"},
 | |
| 		map[string]interface{}{"value": float64(11)},
 | |
| 		time.Unix(1435077219, 0))
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu_load 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	assert.Equal(t, exp, m)
 | |
| }
 | |
| 
 | |
| func TestFilterMatchExactBeforeWildcard(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{
 | |
| 		"servers.* .wrong.measurement*",
 | |
| 		"servers.localhost .host.measurement*"}, nil)
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	exp, err := metric.New("cpu_load",
 | |
| 		map[string]string{"host": "localhost"},
 | |
| 		map[string]interface{}{"value": float64(11)},
 | |
| 		time.Unix(1435077219, 0))
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu_load 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	assert.Equal(t, exp, m)
 | |
| }
 | |
| 
 | |
| func TestFilterMatchMostLongestFilter(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{
 | |
| 		"*.* .wrong.measurement*",
 | |
| 		"servers.* .wrong.measurement*",
 | |
| 		"servers.localhost .wrong.measurement*",
 | |
| 		"servers.localhost.cpu .host.resource.measurement*", // should match this
 | |
| 		"*.localhost .wrong.measurement*",
 | |
| 	}, nil)
 | |
| 
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu.cpu_load 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	value, ok := m.GetTag("host")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "localhost", value)
 | |
| 
 | |
| 	value, ok = m.GetTag("resource")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "cpu", value)
 | |
| }
 | |
| 
 | |
| func TestFilterMatchMultipleWildcards(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{
 | |
| 		"*.* .wrong.measurement*",
 | |
| 		"servers.* .host.measurement*", // should match this
 | |
| 		"servers.localhost .wrong.measurement*",
 | |
| 		"*.localhost .wrong.measurement*",
 | |
| 	}, nil)
 | |
| 
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	exp, err := metric.New("cpu_load",
 | |
| 		map[string]string{"host": "server01"},
 | |
| 		map[string]interface{}{"value": float64(11)},
 | |
| 		time.Unix(1435077219, 0))
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.server01.cpu_load 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	assert.Equal(t, exp, m)
 | |
| }
 | |
| 
 | |
| func TestParseDefaultTags(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{"servers.localhost .host.measurement*"}, map[string]string{
 | |
| 		"region": "us-east",
 | |
| 		"zone":   "1c",
 | |
| 		"host":   "should not set",
 | |
| 	})
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu_load 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	value, ok := m.GetTag("host")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "localhost", value)
 | |
| 
 | |
| 	value, ok = m.GetTag("region")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "us-east", value)
 | |
| 
 | |
| 	value, ok = m.GetTag("zone")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "1c", value)
 | |
| }
 | |
| 
 | |
| func TestParseDefaultTemplateTags(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{"servers.localhost .host.measurement* zone=1c"}, map[string]string{
 | |
| 		"region": "us-east",
 | |
| 		"host":   "should not set",
 | |
| 	})
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu_load 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	value, ok := m.GetTag("host")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "localhost", value)
 | |
| 
 | |
| 	value, ok = m.GetTag("region")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "us-east", value)
 | |
| 
 | |
| 	value, ok = m.GetTag("zone")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "1c", value)
 | |
| }
 | |
| 
 | |
| func TestParseDefaultTemplateTagsOverridGlobal(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("", []string{"servers.localhost .host.measurement* zone=1c,region=us-east"}, map[string]string{
 | |
| 		"region": "shot not be set",
 | |
| 		"host":   "should not set",
 | |
| 	})
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu_load 11 1435077219")
 | |
| 	_ = m
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	value, ok := m.GetTag("host")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "localhost", value)
 | |
| 
 | |
| 	value, ok = m.GetTag("region")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "us-east", value)
 | |
| 
 | |
| 	value, ok = m.GetTag("zone")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "1c", value)
 | |
| }
 | |
| 
 | |
| func TestParseTemplateWhitespace(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("",
 | |
| 		[]string{"servers.localhost        .host.measurement*           zone=1c"},
 | |
| 		map[string]string{
 | |
| 			"region": "us-east",
 | |
| 			"host":   "should not set",
 | |
| 		})
 | |
| 	if err != nil {
 | |
| 		t.Fatalf("unexpected error creating parser, got %v", err)
 | |
| 	}
 | |
| 
 | |
| 	m, err := p.ParseLine("servers.localhost.cpu_load 11 1435077219")
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	value, ok := m.GetTag("host")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "localhost", value)
 | |
| 
 | |
| 	value, ok = m.GetTag("region")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "us-east", value)
 | |
| 
 | |
| 	value, ok = m.GetTag("zone")
 | |
| 	require.True(t, ok)
 | |
| 	require.Equal(t, "1c", value)
 | |
| }
 | |
| 
 | |
| // Test basic functionality of ApplyTemplate
 | |
| func TestApplyTemplate(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("_",
 | |
| 		[]string{"current.* measurement.measurement"},
 | |
| 		nil)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, _, _, _ := p.ApplyTemplate("current.users")
 | |
| 	assert.Equal(t, "current_users", measurement)
 | |
| }
 | |
| 
 | |
| // Test basic functionality of ApplyTemplate
 | |
| func TestApplyTemplateNoMatch(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser(".",
 | |
| 		[]string{"foo.bar measurement.measurement"},
 | |
| 		nil)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, _, _, _ := p.ApplyTemplate("current.users")
 | |
| 	assert.Equal(t, "current.users", measurement)
 | |
| }
 | |
| 
 | |
| // Test that most specific template is chosen
 | |
| func TestApplyTemplateSpecific(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("_",
 | |
| 		[]string{
 | |
| 			"current.* measurement.measurement",
 | |
| 			"current.*.* measurement.measurement.service",
 | |
| 		}, nil)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, tags, _, _ := p.ApplyTemplate("current.users.facebook")
 | |
| 	assert.Equal(t, "current_users", measurement)
 | |
| 
 | |
| 	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)
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestApplyTemplateTags(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("_",
 | |
| 		[]string{"current.* measurement.measurement region=us-west"}, nil)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, tags, _, _ := p.ApplyTemplate("current.users")
 | |
| 	assert.Equal(t, "current_users", measurement)
 | |
| 
 | |
| 	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)
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestApplyTemplateField(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("_",
 | |
| 		[]string{"current.* measurement.measurement.field"}, nil)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, _, field, err := p.ApplyTemplate("current.users.logged_in")
 | |
| 
 | |
| 	assert.Equal(t, "current_users", measurement)
 | |
| 
 | |
| 	if field != "logged_in" {
 | |
| 		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
 | |
| 			field, "logged_in")
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestApplyTemplateMultipleFieldsTogether(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("_",
 | |
| 		[]string{"current.* measurement.measurement.field.field"}, nil)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, _, field, err := p.ApplyTemplate("current.users.logged_in.ssh")
 | |
| 
 | |
| 	assert.Equal(t, "current_users", measurement)
 | |
| 
 | |
| 	if field != "logged_in_ssh" {
 | |
| 		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
 | |
| 			field, "logged_in_ssh")
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestApplyTemplateMultipleFieldsApart(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("_",
 | |
| 		[]string{"current.* measurement.measurement.field.method.field"}, nil)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, _, field, err := p.ApplyTemplate("current.users.logged_in.ssh.total")
 | |
| 
 | |
| 	assert.Equal(t, "current_users", measurement)
 | |
| 
 | |
| 	if field != "logged_in_total" {
 | |
| 		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
 | |
| 			field, "logged_in_total")
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestApplyTemplateGreedyField(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser("_",
 | |
| 		[]string{"current.* measurement.measurement.field*"}, nil)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, _, field, err := p.ApplyTemplate("current.users.logged_in")
 | |
| 
 | |
| 	assert.Equal(t, "current_users", measurement)
 | |
| 
 | |
| 	if field != "logged_in" {
 | |
| 		t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
 | |
| 			field, "logged_in")
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func TestApplyTemplateOverSpecific(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser(
 | |
| 		".",
 | |
| 		[]string{
 | |
| 			"measurement.host.metric.metric.metric",
 | |
| 		},
 | |
| 		nil,
 | |
| 	)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, tags, _, err := p.ApplyTemplate("net.server001.a.b 2")
 | |
| 	assert.Equal(t, "net", measurement)
 | |
| 	assert.Equal(t,
 | |
| 		map[string]string{"host": "server001", "metric": "a.b"},
 | |
| 		tags)
 | |
| }
 | |
| 
 | |
| func TestApplyTemplateMostSpecificTemplate(t *testing.T) {
 | |
| 	p, err := NewGraphiteParser(
 | |
| 		".",
 | |
| 		[]string{
 | |
| 			"measurement.host.metric",
 | |
| 			"measurement.host.metric.metric.metric",
 | |
| 			"measurement.host.metric.metric",
 | |
| 		},
 | |
| 		nil,
 | |
| 	)
 | |
| 	assert.NoError(t, err)
 | |
| 
 | |
| 	measurement, tags, _, err := p.ApplyTemplate("net.server001.a.b.c 2")
 | |
| 	assert.Equal(t, "net", measurement)
 | |
| 	assert.Equal(t,
 | |
| 		map[string]string{"host": "server001", "metric": "a.b.c"},
 | |
| 		tags)
 | |
| 
 | |
| 	measurement, tags, _, err = p.ApplyTemplate("net.server001.a.b 2")
 | |
| 	assert.Equal(t, "net", measurement)
 | |
| 	assert.Equal(t,
 | |
| 		map[string]string{"host": "server001", "metric": "a.b"},
 | |
| 		tags)
 | |
| }
 | |
| 
 | |
| // Test Helpers
 | |
| func errstr(err error) string {
 | |
| 	if err != nil {
 | |
| 		return err.Error()
 | |
| 	}
 | |
| 	return ""
 | |
| }
 |