telegraf/plugins/serializers/graphite/graphite_test.go

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package graphite
import (
"fmt"
"sort"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/influxdata/telegraf"
)
var defaultTags = map[string]string{
"host": "localhost",
"cpu": "cpu0",
"datacenter": "us-west-2",
}
const (
template1 = "tags.measurement.field"
template2 = "host.measurement.field"
template3 = "host.tags.field"
template4 = "host.tags.measurement"
// this template explicitly uses all tag keys, so "tags" should be empty
template5 = "host.datacenter.cpu.tags.measurement.field"
// this template has non-existent tag keys
template6 = "foo.host.cpu.bar.tags.measurement.field"
)
func TestGraphiteTags(t *testing.T) {
m1, _ := telegraf.NewMetric(
"mymeasurement",
map[string]string{"host": "192.168.0.1"},
map[string]interface{}{"value": float64(3.14)},
time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
)
m2, _ := telegraf.NewMetric(
"mymeasurement",
map[string]string{"host": "192.168.0.1", "afoo": "first", "bfoo": "second"},
map[string]interface{}{"value": float64(3.14)},
time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
)
m3, _ := telegraf.NewMetric(
"mymeasurement",
map[string]string{"afoo": "first", "bfoo": "second"},
map[string]interface{}{"value": float64(3.14)},
time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
)
tags1 := buildTags(m1.Tags())
tags2 := buildTags(m2.Tags())
tags3 := buildTags(m3.Tags())
assert.Equal(t, "192_168_0_1", tags1)
assert.Equal(t, "first.second.192_168_0_1", tags2)
assert.Equal(t, "first.second", tags3)
}
func TestSerializeMetricNoHost(t *testing.T) {
now := time.Now()
tags := map[string]string{
"cpu": "cpu0",
"datacenter": "us-west-2",
}
fields := map[string]interface{}{
"usage_idle": float64(91.5),
"usage_busy": float64(8.5),
}
m, err := telegraf.NewMetric("cpu", tags, fields, now)
assert.NoError(t, err)
s := GraphiteSerializer{}
mS, err := s.Serialize(m)
assert.NoError(t, err)
expS := []string{
fmt.Sprintf("cpu0.us-west-2.cpu.usage_idle 91.5 %d", now.Unix()),
fmt.Sprintf("cpu0.us-west-2.cpu.usage_busy 8.5 %d", now.Unix()),
}
sort.Strings(mS)
sort.Strings(expS)
assert.Equal(t, expS, mS)
}
func TestSerializeMetricHost(t *testing.T) {
now := time.Now()
tags := map[string]string{
"host": "localhost",
"cpu": "cpu0",
"datacenter": "us-west-2",
}
fields := map[string]interface{}{
"usage_idle": float64(91.5),
"usage_busy": float64(8.5),
}
m, err := telegraf.NewMetric("cpu", tags, fields, now)
assert.NoError(t, err)
s := GraphiteSerializer{}
mS, err := s.Serialize(m)
assert.NoError(t, err)
expS := []string{
fmt.Sprintf("localhost.cpu0.us-west-2.cpu.usage_idle 91.5 %d", now.Unix()),
fmt.Sprintf("localhost.cpu0.us-west-2.cpu.usage_busy 8.5 %d", now.Unix()),
}
sort.Strings(mS)
sort.Strings(expS)
assert.Equal(t, expS, mS)
}
// test that a field named "value" gets ignored.
func TestSerializeValueField(t *testing.T) {
now := time.Now()
tags := map[string]string{
"host": "localhost",
"cpu": "cpu0",
"datacenter": "us-west-2",
}
fields := map[string]interface{}{
"value": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", tags, fields, now)
assert.NoError(t, err)
s := GraphiteSerializer{}
mS, err := s.Serialize(m)
assert.NoError(t, err)
expS := []string{
fmt.Sprintf("localhost.cpu0.us-west-2.cpu 91.5 %d", now.Unix()),
}
assert.Equal(t, expS, mS)
}
// test that a field named "value" gets ignored in middle of template.
func TestSerializeValueField2(t *testing.T) {
now := time.Now()
tags := map[string]string{
"host": "localhost",
"cpu": "cpu0",
"datacenter": "us-west-2",
}
fields := map[string]interface{}{
"value": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", tags, fields, now)
assert.NoError(t, err)
s := GraphiteSerializer{
Template: "host.field.tags.measurement",
}
mS, err := s.Serialize(m)
assert.NoError(t, err)
expS := []string{
fmt.Sprintf("localhost.cpu0.us-west-2.cpu 91.5 %d", now.Unix()),
}
assert.Equal(t, expS, mS)
}
// test that a field named "value" gets ignored at beginning of template.
func TestSerializeValueField3(t *testing.T) {
now := time.Now()
tags := map[string]string{
"host": "localhost",
"cpu": "cpu0",
"datacenter": "us-west-2",
}
fields := map[string]interface{}{
"value": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", tags, fields, now)
assert.NoError(t, err)
s := GraphiteSerializer{
Template: "field.host.tags.measurement",
}
mS, err := s.Serialize(m)
assert.NoError(t, err)
expS := []string{
fmt.Sprintf("localhost.cpu0.us-west-2.cpu 91.5 %d", now.Unix()),
}
assert.Equal(t, expS, mS)
}
func TestSerializeMetricPrefix(t *testing.T) {
now := time.Now()
tags := map[string]string{
"host": "localhost",
"cpu": "cpu0",
"datacenter": "us-west-2",
}
fields := map[string]interface{}{
"usage_idle": float64(91.5),
"usage_busy": float64(8.5),
}
m, err := telegraf.NewMetric("cpu", tags, fields, now)
assert.NoError(t, err)
s := GraphiteSerializer{Prefix: "prefix"}
mS, err := s.Serialize(m)
assert.NoError(t, err)
expS := []string{
fmt.Sprintf("prefix.localhost.cpu0.us-west-2.cpu.usage_idle 91.5 %d", now.Unix()),
fmt.Sprintf("prefix.localhost.cpu0.us-west-2.cpu.usage_busy 8.5 %d", now.Unix()),
}
sort.Strings(mS)
sort.Strings(expS)
assert.Equal(t, expS, mS)
}
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func TestSerializeBucketNameNoHost(t *testing.T) {
now := time.Now()
tags := map[string]string{
"cpu": "cpu0",
"datacenter": "us-west-2",
}
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", tags, fields, now)
assert.NoError(t, err)
mS := SerializeBucketName(m.Name(), m.Tags(), "", "")
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expS := "cpu0.us-west-2.cpu.FIELDNAME"
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assert.Equal(t, expS, mS)
}
func TestSerializeBucketNameHost(t *testing.T) {
now := time.Now()
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", defaultTags, fields, now)
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assert.NoError(t, err)
mS := SerializeBucketName(m.Name(), m.Tags(), "", "")
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expS := "localhost.cpu0.us-west-2.cpu.FIELDNAME"
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assert.Equal(t, expS, mS)
}
func TestSerializeBucketNamePrefix(t *testing.T) {
now := time.Now()
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", defaultTags, fields, now)
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assert.NoError(t, err)
mS := SerializeBucketName(m.Name(), m.Tags(), "", "prefix")
expS := "prefix.localhost.cpu0.us-west-2.cpu.FIELDNAME"
assert.Equal(t, expS, mS)
}
func TestTemplate1(t *testing.T) {
now := time.Now()
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", defaultTags, fields, now)
assert.NoError(t, err)
mS := SerializeBucketName(m.Name(), m.Tags(), template1, "")
expS := "cpu0.us-west-2.localhost.cpu.FIELDNAME"
assert.Equal(t, expS, mS)
}
func TestTemplate2(t *testing.T) {
now := time.Now()
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", defaultTags, fields, now)
assert.NoError(t, err)
mS := SerializeBucketName(m.Name(), m.Tags(), template2, "")
expS := "localhost.cpu.FIELDNAME"
assert.Equal(t, expS, mS)
}
func TestTemplate3(t *testing.T) {
now := time.Now()
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", defaultTags, fields, now)
assert.NoError(t, err)
mS := SerializeBucketName(m.Name(), m.Tags(), template3, "")
expS := "localhost.cpu0.us-west-2.FIELDNAME"
assert.Equal(t, expS, mS)
}
func TestTemplate4(t *testing.T) {
now := time.Now()
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", defaultTags, fields, now)
assert.NoError(t, err)
mS := SerializeBucketName(m.Name(), m.Tags(), template4, "")
expS := "localhost.cpu0.us-west-2.cpu"
assert.Equal(t, expS, mS)
}
func TestTemplate5(t *testing.T) {
now := time.Now()
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", defaultTags, fields, now)
assert.NoError(t, err)
mS := SerializeBucketName(m.Name(), m.Tags(), template5, "")
expS := "localhost.us-west-2.cpu0.cpu.FIELDNAME"
assert.Equal(t, expS, mS)
}
func TestTemplate6(t *testing.T) {
now := time.Now()
fields := map[string]interface{}{
"usage_idle": float64(91.5),
}
m, err := telegraf.NewMetric("cpu", defaultTags, fields, now)
assert.NoError(t, err)
mS := SerializeBucketName(m.Name(), m.Tags(), template6, "")
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expS := "localhost.cpu0.us-west-2.cpu.FIELDNAME"
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assert.Equal(t, expS, mS)
}