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receiver_test.go
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receiver_test.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package splunkhecreceiver
import (
"bytes"
"compress/gzip"
"context"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
jsoniter "github.com/json-iterator/go"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/config/confighttp"
"go.opentelemetry.io/collector/config/configtls"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/consumer/consumertest"
"go.opentelemetry.io/collector/exporter/exportertest"
"go.opentelemetry.io/collector/pdata/pcommon"
"go.opentelemetry.io/collector/pdata/plog"
"go.opentelemetry.io/collector/receiver/receivertest"
"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/splunkhecexporter"
"github.com/open-telemetry/opentelemetry-collector-contrib/internal/common/testutil"
"github.com/open-telemetry/opentelemetry-collector-contrib/internal/sharedcomponent"
"github.com/open-telemetry/opentelemetry-collector-contrib/internal/splunk"
"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/splunkhecreceiver/internal/mocks"
)
func assertHecSuccessResponse(t *testing.T, resp *http.Response, body any, ackID ...uint64) {
status := resp.StatusCode
assert.Equal(t, http.StatusOK, status)
assert.Equal(t, httpJSONTypeHeader, resp.Header.Get(httpContentTypeHeader))
if len(ackID) > 0 {
assert.Equal(t, map[string]any{"code": float64(0), "text": "Success", "ackId": float64(ackID[0])}, body)
} else {
assert.Equal(t, map[string]any{"code": float64(0), "text": "Success"}, body)
}
}
func Test_splunkhecreceiver_NewLogsReceiver(t *testing.T) {
defaultConfig := createDefaultConfig().(*Config)
emptyEndpointConfig := createDefaultConfig().(*Config)
emptyEndpointConfig.Endpoint = ""
type args struct {
config Config
logsConsumer consumer.Logs
}
tests := []struct {
name string
args args
wantErr error
}{
{
name: "empty_endpoint",
args: args{
config: *emptyEndpointConfig,
logsConsumer: new(consumertest.LogsSink),
},
wantErr: errEmptyEndpoint,
},
{
name: "default_endpoint",
args: args{
config: *defaultConfig,
logsConsumer: consumertest.NewNop(),
},
},
{
name: "happy_path",
args: args{
config: Config{
ServerConfig: confighttp.ServerConfig{
Endpoint: "localhost:1234",
},
},
logsConsumer: consumertest.NewNop(),
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := newLogsReceiver(receivertest.NewNopCreateSettings(), tt.args.config, tt.args.logsConsumer)
assert.Equal(t, tt.wantErr, err)
if err == nil {
assert.NotNil(t, got)
} else {
assert.Nil(t, got)
}
})
}
}
func Test_splunkhecreceiver_NewMetricsReceiver(t *testing.T) {
defaultConfig := createDefaultConfig().(*Config)
emptyEndpointConfig := createDefaultConfig().(*Config)
emptyEndpointConfig.Endpoint = ""
type args struct {
config Config
metricsConsumer consumer.Metrics
}
tests := []struct {
name string
args args
wantErr error
}{
{
name: "empty_endpoint",
args: args{
config: *emptyEndpointConfig,
metricsConsumer: new(consumertest.MetricsSink),
},
wantErr: errEmptyEndpoint,
},
{
name: "default_endpoint",
args: args{
config: *defaultConfig,
metricsConsumer: consumertest.NewNop(),
},
},
{
name: "happy_path",
args: args{
config: Config{
ServerConfig: confighttp.ServerConfig{
Endpoint: "localhost:1234",
},
},
metricsConsumer: consumertest.NewNop(),
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := newMetricsReceiver(receivertest.NewNopCreateSettings(), tt.args.config, tt.args.metricsConsumer)
assert.Equal(t, tt.wantErr, err)
if err == nil {
assert.NotNil(t, got)
} else {
assert.Nil(t, got)
}
})
}
}
func Test_splunkhecReceiver_handleReq(t *testing.T) {
config := createDefaultConfig().(*Config)
config.Endpoint = "localhost:0" // Actually not creating the endpoint
currentTime := float64(time.Now().UnixNano()) / 1e6
splunkMsg := buildSplunkHecMsg(currentTime, 3)
tests := []struct {
name string
req *http.Request
assertResponse func(t *testing.T, resp *http.Response, body any)
assertSink func(t *testing.T, sink *consumertest.LogsSink)
assertMetricsSink func(t *testing.T, sink *consumertest.MetricsSink)
}{
{
name: "incorrect_method",
req: httptest.NewRequest("PUT", "http://localhost/foo", nil),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusBadRequest, status)
assert.Equal(t, "Only \"POST\" method is supported", body)
},
},
{
name: "incorrect_content_type",
req: func() *http.Request {
msgBytes, err := json.Marshal(splunkMsg)
require.NoError(t, err)
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader(msgBytes))
req.Header.Set("Content-Type", "application/not-json")
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusOK, status)
assert.Equal(t, map[string]any{
"text": "Success",
"code": float64(0),
}, body)
},
},
{
name: "incorrect_content_encoding",
req: func() *http.Request {
req := httptest.NewRequest("POST", "http://localhost/foo", nil)
req.Header.Set("Content-Encoding", "superzipper")
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusUnsupportedMediaType, status)
assert.Equal(t, `"Content-Encoding" must be "gzip" or empty`, body)
},
},
{
name: "bad_data_in_body",
req: func() *http.Request {
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader([]byte{1, 2, 3, 4}))
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusBadRequest, status)
assert.Equal(t, map[string]any{"code": float64(6), "text": "Invalid data format"}, body)
},
},
{
name: "empty_body",
req: func() *http.Request {
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader(nil))
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusBadRequest, status)
assert.Equal(t, map[string]any{"code": float64(5), "text": "No data"}, body)
},
},
{
name: "invalid_data_format",
req: func() *http.Request {
msgBytes, err := json.Marshal(`{"foo":"bar"}`)
require.NoError(t, err)
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader(msgBytes))
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusBadRequest, status)
assert.Equal(t, map[string]any{"code": float64(6), "text": "Invalid data format"}, body)
},
},
{
name: "event_required_error",
req: func() *http.Request {
nilEventMsg := buildSplunkHecMsg(currentTime, 3)
nilEventMsg.Event = nil
msgBytes, err := json.Marshal(nilEventMsg)
require.NoError(t, err)
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader(msgBytes))
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusBadRequest, status)
assert.Equal(t, map[string]any{"code": float64(12), "text": "Event field is required"}, body)
},
},
{
name: "event_cannot_be_blank_error",
req: func() *http.Request {
blankEventMsg := buildSplunkHecMsg(currentTime, 3)
blankEventMsg.Event = ""
msgBytes, err := json.Marshal(blankEventMsg)
require.NoError(t, err)
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader(msgBytes))
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusBadRequest, status)
assert.Equal(t, map[string]any{"code": float64(13), "text": "Event field cannot be blank"}, body)
},
},
{
name: "msg_accepted",
req: func() *http.Request {
msgBytes, err := json.Marshal(splunkMsg)
require.NoError(t, err)
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader(msgBytes))
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
assertHecSuccessResponse(t, resp, body)
},
assertSink: func(t *testing.T, sink *consumertest.LogsSink) {
assert.Equal(t, 1, len(sink.AllLogs()))
},
assertMetricsSink: func(t *testing.T, sink *consumertest.MetricsSink) {
assert.Equal(t, 0, len(sink.AllMetrics()))
},
},
{
name: "metric_msg_accepted",
req: func() *http.Request {
msgBytes, err := json.Marshal(buildSplunkHecMetricsMsg(3, 4, 3))
require.NoError(t, err)
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader(msgBytes))
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
assertHecSuccessResponse(t, resp, body)
},
assertSink: func(t *testing.T, sink *consumertest.LogsSink) {
assert.Equal(t, 0, len(sink.AllLogs()))
},
assertMetricsSink: func(t *testing.T, sink *consumertest.MetricsSink) {
assert.Equal(t, 1, len(sink.AllMetrics()))
},
},
{
name: "msg_accepted_gzipped",
req: func() *http.Request {
msgBytes, err := json.Marshal(splunkMsg)
require.NoError(t, err)
var buf bytes.Buffer
gzipWriter := gzip.NewWriter(&buf)
_, err = gzipWriter.Write(msgBytes)
require.NoError(t, err)
require.NoError(t, gzipWriter.Close())
req := httptest.NewRequest("POST", "http://localhost/foo", &buf)
req.Header.Set("Content-Encoding", "gzip")
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
assertHecSuccessResponse(t, resp, body)
},
},
{
name: "bad_gzipped_msg",
req: func() *http.Request {
msgBytes, err := json.Marshal(splunkMsg)
require.NoError(t, err)
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader(msgBytes))
req.Header.Set("Content-Encoding", "gzip")
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusBadRequest, status)
assert.Equal(t, `Error on gzip body`, body)
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
sink := new(consumertest.LogsSink)
metricsSink := new(consumertest.MetricsSink)
f := NewFactory()
_, err := f.CreateLogsReceiver(context.Background(), receivertest.NewNopCreateSettings(), config, sink)
assert.NoError(t, err)
rcv, err := f.CreateMetricsReceiver(context.Background(), receivertest.NewNopCreateSettings(), config, metricsSink)
assert.NoError(t, err)
r := rcv.(*sharedcomponent.SharedComponent).Component.(*splunkReceiver)
w := httptest.NewRecorder()
r.handleReq(w, tt.req)
resp := w.Result()
defer resp.Body.Close()
respBytes, err := io.ReadAll(resp.Body)
assert.NoError(t, err)
var body any
fmt.Println(string(respBytes))
assert.NoError(t, json.Unmarshal(respBytes, &body))
tt.assertResponse(t, resp, body)
if tt.assertSink != nil {
tt.assertSink(t, sink)
}
if tt.assertMetricsSink != nil {
tt.assertMetricsSink(t, metricsSink)
}
})
}
}
func Test_consumer_err(t *testing.T) {
currentTime := float64(time.Now().UnixNano()) / 1e6
splunkMsg := buildSplunkHecMsg(currentTime, 5)
config := createDefaultConfig().(*Config)
config.Endpoint = "localhost:0" // Actually not creating the endpoint
rcv, err := newLogsReceiver(receivertest.NewNopCreateSettings(), *config, consumertest.NewErr(errors.New("bad consumer")))
assert.NoError(t, err)
r := rcv.(*splunkReceiver)
w := httptest.NewRecorder()
msgBytes, err := json.Marshal(splunkMsg)
require.NoError(t, err)
req := httptest.NewRequest("POST", "http://localhost", bytes.NewReader(msgBytes))
r.handleReq(w, req)
resp := w.Result()
defer resp.Body.Close()
respBytes, err := io.ReadAll(resp.Body)
assert.NoError(t, err)
var bodyStr string
assert.NoError(t, json.Unmarshal(respBytes, &bodyStr))
assert.Equal(t, http.StatusInternalServerError, resp.StatusCode)
assert.Equal(t, "Internal Server Error", bodyStr)
}
func Test_consumer_err_metrics(t *testing.T) {
currentTime := float64(time.Now().UnixNano()) / 1e6
splunkMsg := buildSplunkHecMetricsMsg(currentTime, 13, 2)
assert.True(t, splunkMsg.IsMetric())
config := createDefaultConfig().(*Config)
config.Endpoint = "localhost:0" // Actually not creating the endpoint\
rcv, err := newMetricsReceiver(receivertest.NewNopCreateSettings(), *config, consumertest.NewErr(errors.New("bad consumer")))
assert.NoError(t, err)
r := rcv.(*splunkReceiver)
w := httptest.NewRecorder()
msgBytes, err := json.Marshal(splunkMsg)
require.NoError(t, err)
req := httptest.NewRequest("POST", "http://localhost", bytes.NewReader(msgBytes))
r.handleReq(w, req)
resp := w.Result()
defer resp.Body.Close()
respBytes, err := io.ReadAll(resp.Body)
assert.NoError(t, err)
var bodyStr string
assert.NoError(t, json.Unmarshal(respBytes, &bodyStr))
assert.Equal(t, http.StatusInternalServerError, resp.StatusCode)
assert.Equal(t, "Internal Server Error", bodyStr)
}
func Test_splunkhecReceiver_TLS(t *testing.T) {
addr := testutil.GetAvailableLocalAddress(t)
cfg := createDefaultConfig().(*Config)
cfg.Endpoint = addr
cfg.TLSSetting = &configtls.ServerConfig{
TLSSetting: configtls.Config{
CertFile: "./testdata/server.crt",
KeyFile: "./testdata/server.key",
},
}
sink := new(consumertest.LogsSink)
set := receivertest.NewNopCreateSettings()
set.ReportStatus = func(event *component.StatusEvent) {
assert.NoError(t, event.Err())
}
r, err := newLogsReceiver(set, *cfg, sink)
require.NoError(t, err)
defer func() {
require.NoError(t, r.Shutdown(context.Background()))
}()
require.NoError(t, r.Start(context.Background(), componenttest.NewNopHost()), "should not have failed to start log reception")
require.NoError(t, r.Start(context.Background(), componenttest.NewNopHost()), "should not fail to start log on second Start call")
defer func() {
require.NoError(t, r.Shutdown(context.Background()))
}()
// If there are errors reported through ReportStatus this will retrieve it.
<-time.After(500 * time.Millisecond)
t.Log("Event Reception Started")
logs := plog.NewLogs()
rl := logs.ResourceLogs().AppendEmpty()
sl := rl.ScopeLogs().AppendEmpty()
lr := sl.LogRecords().AppendEmpty()
now := time.Now()
msecInt64 := now.UnixNano() / 1e6
sec := float64(msecInt64) / 1e3
lr.SetTimestamp(pcommon.Timestamp(int64(sec * 1e9)))
lr.Body().SetStr("foo")
rl.Resource().Attributes().PutStr("com.splunk.sourcetype", "custom:sourcetype")
rl.Resource().Attributes().PutStr("com.splunk.index", "myindex")
want := logs
t.Log("Sending Splunk HEC data Request")
body, err := json.Marshal(buildSplunkHecMsg(sec, 0))
require.NoError(t, err, fmt.Sprintf("failed to marshal Splunk message: %v", err))
url := fmt.Sprintf("https://%s", addr)
req, err := http.NewRequestWithContext(context.Background(), "POST", url, bytes.NewReader(body))
require.NoErrorf(t, err, "should have no errors with new request: %v", err)
tlscs := configtls.ClientConfig{
TLSSetting: configtls.Config{
CAFile: "./testdata/ca.crt",
CertFile: "./testdata/client.crt",
KeyFile: "./testdata/client.key",
},
ServerName: "localhost",
}
tls, errTLS := tlscs.LoadTLSConfig()
assert.NoError(t, errTLS)
client := &http.Client{
Transport: &http.Transport{
TLSClientConfig: tls,
},
}
resp, err := client.Do(req)
require.NoErrorf(t, err, "should not have failed when sending to splunk HEC receiver %v", err)
defer resp.Body.Close()
assert.Equal(t, http.StatusOK, resp.StatusCode)
t.Log("Splunk HEC Request Received")
got := sink.AllLogs()
require.Equal(t, 1, len(got))
assert.Equal(t, want, got[0])
}
func Test_splunkhecReceiver_AccessTokenPassthrough(t *testing.T) {
tests := []struct {
name string
passthrough bool
tokenProvided string
tokenExpected string
metric bool
}{
{
name: "Log, No token provided and passthrough false",
tokenExpected: "ignored",
passthrough: false,
metric: false,
},
{
name: "Log, No token provided and passthrough true",
tokenExpected: "ignored",
passthrough: true,
metric: false,
},
{
name: "Log, token provided and passthrough false",
tokenProvided: "passthroughToken",
passthrough: false,
tokenExpected: "ignored",
metric: false,
},
{
name: "Log, token provided and passthrough true",
passthrough: true,
tokenProvided: "passthroughToken",
tokenExpected: "passthroughToken",
metric: false,
},
{
name: "Metric, No token provided and passthrough false",
tokenExpected: "ignored",
passthrough: false,
metric: true,
},
{
name: "Metric, No token provided and passthrough true",
tokenExpected: "ignored",
passthrough: true,
metric: true,
},
{
name: "Metric, token provided and passthrough false",
tokenProvided: "passthroughToken",
passthrough: false,
tokenExpected: "ignored",
metric: true,
},
{
name: "Metric, token provided and passthrough true",
passthrough: true,
tokenProvided: "passthroughToken",
tokenExpected: "passthroughToken",
metric: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
config := createDefaultConfig().(*Config)
config.Endpoint = "localhost:0"
config.AccessTokenPassthrough = tt.passthrough
accessTokensChan := make(chan string)
endServer := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
_, err := io.Copy(io.Discard, req.Body)
assert.NoError(t, err)
rw.WriteHeader(http.StatusOK)
accessTokensChan <- req.Header.Get("Authorization")
}))
defer endServer.Close()
factory := splunkhecexporter.NewFactory()
exporterConfig := factory.CreateDefaultConfig().(*splunkhecexporter.Config)
exporterConfig.Token = "ignored"
exporterConfig.SourceType = "defaultsourcetype"
exporterConfig.Index = "defaultindex"
exporterConfig.DisableCompression = true
exporterConfig.Endpoint = endServer.URL
currentTime := float64(time.Now().UnixNano()) / 1e6
var splunkhecMsg *splunk.Event
if tt.metric {
splunkhecMsg = buildSplunkHecMetricsMsg(currentTime, 1.0, 3)
} else {
splunkhecMsg = buildSplunkHecMsg(currentTime, 3)
}
msgBytes, _ := json.Marshal(splunkhecMsg)
req := httptest.NewRequest("POST", "http://localhost", bytes.NewReader(msgBytes))
if tt.passthrough {
if tt.tokenProvided != "" {
req.Header.Set("Authorization", "Splunk "+tt.tokenProvided)
}
}
done := make(chan bool)
go func() {
tokenReceived := <-accessTokensChan
assert.Equal(t, "Splunk "+tt.tokenExpected, tokenReceived)
done <- true
}()
if tt.metric {
exporter, err := factory.CreateMetricsExporter(context.Background(), exportertest.NewNopCreateSettings(), exporterConfig)
assert.NoError(t, exporter.Start(context.Background(), nil))
defer func() {
require.NoError(t, exporter.Shutdown(context.Background()))
}()
assert.NoError(t, err)
rcv, err := newMetricsReceiver(receivertest.NewNopCreateSettings(), *config, exporter)
assert.NoError(t, err)
r := rcv.(*splunkReceiver)
w := httptest.NewRecorder()
r.handleReq(w, req)
resp := w.Result()
defer resp.Body.Close()
_, err = io.ReadAll(resp.Body)
assert.NoError(t, err)
} else {
exporter, err := factory.CreateLogsExporter(context.Background(), exportertest.NewNopCreateSettings(), exporterConfig)
assert.NoError(t, exporter.Start(context.Background(), nil))
defer func() {
require.NoError(t, exporter.Shutdown(context.Background()))
}()
assert.NoError(t, err)
rcv, err := newLogsReceiver(receivertest.NewNopCreateSettings(), *config, exporter)
assert.NoError(t, err)
r := rcv.(*splunkReceiver)
w := httptest.NewRecorder()
r.handleReq(w, req)
resp := w.Result()
defer resp.Body.Close()
_, err = io.ReadAll(resp.Body)
assert.NoError(t, err)
}
select {
case <-done:
break
case <-time.After(5 * time.Second):
assert.Fail(t, "Timeout")
}
})
}
}
func Test_Logs_splunkhecReceiver_IndexSourceTypePassthrough(t *testing.T) {
tests := []struct {
name string
index string
sourcetype string
}{
{
name: "No index, no source type",
},
{
name: "Index, no source type",
index: "myindex",
},
{
name: "Index and source type",
index: "myindex",
sourcetype: "source:type",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
cfg := createDefaultConfig().(*Config)
cfg.Endpoint = "localhost:0"
receivedSplunkLogs := make(chan []byte)
endServer := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
body, err := io.ReadAll(req.Body)
assert.NoError(t, err)
rw.WriteHeader(http.StatusOK)
receivedSplunkLogs <- body
}))
defer endServer.Close()
factory := splunkhecexporter.NewFactory()
exporterConfig := factory.CreateDefaultConfig().(*splunkhecexporter.Config)
exporterConfig.Token = "ignored"
exporterConfig.SourceType = "defaultsourcetype"
exporterConfig.Index = "defaultindex"
exporterConfig.DisableCompression = true
exporterConfig.Endpoint = endServer.URL
exporter, err := factory.CreateLogsExporter(context.Background(), exportertest.NewNopCreateSettings(), exporterConfig)
assert.NoError(t, exporter.Start(context.Background(), nil))
assert.NoError(t, err)
defer func() {
require.NoError(t, exporter.Shutdown(context.Background()))
}()
rcv, err := newLogsReceiver(receivertest.NewNopCreateSettings(), *cfg, exporter)
assert.NoError(t, err)
currentTime := float64(time.Now().UnixNano()) / 1e6
splunkhecMsg := buildSplunkHecMsg(currentTime, 3)
splunkhecMsg.Index = tt.index
splunkhecMsg.SourceType = tt.sourcetype
msgBytes, _ := json.Marshal(splunkhecMsg)
req := httptest.NewRequest("POST", "http://localhost", bytes.NewReader(msgBytes))
done := make(chan bool)
go func() {
got := <-receivedSplunkLogs
var event splunk.Event
e := json.Unmarshal(got, &event)
assert.NoError(t, e)
if tt.index == "" {
assert.Equal(t, "defaultindex", event.Index)
} else {
assert.Equal(t, tt.index, event.Index)
}
if tt.sourcetype == "" {
assert.Equal(t, "defaultsourcetype", event.SourceType)
} else {
assert.Equal(t, tt.sourcetype, event.SourceType)
}
done <- true
}()
r := rcv.(*splunkReceiver)
w := httptest.NewRecorder()
r.handleReq(w, req)
resp := w.Result()
respBytes, err := io.ReadAll(resp.Body)
assert.NoError(t, err)
defer resp.Body.Close()
var body any
assert.NoError(t, json.Unmarshal(respBytes, &body))
assert.Equal(t, http.StatusOK, resp.StatusCode)
assert.Equal(t, map[string]any{
"text": "Success",
"code": float64(0),
}, body)
select {
case <-done:
break
case <-time.After(5 * time.Second):
assert.Fail(t, "Timeout waiting for logs")
}
})
}
}
func Test_Metrics_splunkhecReceiver_IndexSourceTypePassthrough(t *testing.T) {
tests := []struct {
name string
index string
sourcetype string
}{
{
name: "No index, no source type",
},
{
name: "Index, no source type",
index: "myindex",
},
{
name: "Index and source type",
index: "myindex",
sourcetype: "source:type",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
cfg := createDefaultConfig().(*Config)
cfg.Endpoint = "localhost:0"
receivedSplunkMetrics := make(chan []byte)
endServer := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
body, err := io.ReadAll(req.Body)
assert.NoError(t, err)
rw.WriteHeader(http.StatusOK)
receivedSplunkMetrics <- body
}))
defer endServer.Close()
factory := splunkhecexporter.NewFactory()
exporterConfig := factory.CreateDefaultConfig().(*splunkhecexporter.Config)
exporterConfig.Token = "ignored"
exporterConfig.SourceType = "defaultsourcetype"
exporterConfig.Index = "defaultindex"
exporterConfig.DisableCompression = true
exporterConfig.Endpoint = endServer.URL
exporter, err := factory.CreateMetricsExporter(context.Background(), exportertest.NewNopCreateSettings(), exporterConfig)
assert.NoError(t, exporter.Start(context.Background(), nil))
defer func() {
require.NoError(t, exporter.Shutdown(context.Background()))
}()
assert.NoError(t, err)
rcv, err := newMetricsReceiver(receivertest.NewNopCreateSettings(), *cfg, exporter)
assert.NoError(t, err)
currentTime := float64(time.Now().UnixNano()) / 1e6
splunkhecMsg := buildSplunkHecMetricsMsg(currentTime, 42, 3)
splunkhecMsg.Index = tt.index
splunkhecMsg.SourceType = tt.sourcetype
msgBytes, _ := json.Marshal(splunkhecMsg)
req := httptest.NewRequest("POST", "http://localhost", bytes.NewReader(msgBytes))
done := make(chan bool)
go func() {
got := <-receivedSplunkMetrics
var event splunk.Event
e := json.Unmarshal(got, &event)
assert.NoError(t, e)
if tt.index == "" {
assert.Equal(t, "defaultindex", event.Index)
} else {
assert.Equal(t, tt.index, event.Index)
}
if tt.sourcetype == "" {
assert.Equal(t, "defaultsourcetype", event.SourceType)
} else {
assert.Equal(t, tt.sourcetype, event.SourceType)
}
done <- true
}()
r := rcv.(*splunkReceiver)
w := httptest.NewRecorder()
r.handleReq(w, req)
resp := w.Result()
respBytes, err := io.ReadAll(resp.Body)
defer resp.Body.Close()
assert.NoError(t, err)
var body any
assert.NoError(t, json.Unmarshal(respBytes, &body))
assert.Equal(t, http.StatusOK, resp.StatusCode)
assert.Equal(t, map[string]any{
"text": "Success",
"code": float64(0),
}, body)
select {
case <-done:
break
case <-time.After(5 * time.Second):
assert.Fail(t, "Timeout waiting for logs")
}
})
}
}
func buildSplunkHecMetricsMsg(time float64, value int64, dimensions uint) *splunk.Event {
ev := &splunk.Event{
Time: time,
Event: "metric",
Fields: map[string]any{
"metric_name:foo": value,
},
}
for dim := uint(0); dim < dimensions; dim++ {
ev.Fields[fmt.Sprintf("k%d", dim)] = fmt.Sprintf("v%d", dim)
}
return ev
}
func buildSplunkHecMsg(time float64, dimensions uint) *splunk.Event {
ev := &splunk.Event{
Time: time,
Event: "foo",
Fields: map[string]any{},
Index: "myindex",
SourceType: "custom:sourcetype",
}
for dim := uint(0); dim < dimensions; dim++ {
ev.Fields[fmt.Sprintf("k%d", dim)] = fmt.Sprintf("v%d", dim)
}
return ev
}
func buildSplunkHecAckMsg(acks []uint64) *splunk.AckRequest {
ar := &splunk.AckRequest{
Acks: acks,
}
return ar
}
type badReqBody struct{}
var _ io.ReadCloser = (*badReqBody)(nil)
func (b badReqBody) Read(_ []byte) (n int, err error) {
return 0, errors.New("badReqBody: can't read it")
}
func (b badReqBody) Close() error {
return nil
}
func Test_splunkhecReceiver_handleRawReq(t *testing.T) {
t.Parallel()
config := createDefaultConfig().(*Config)
config.Endpoint = "localhost:0" // Actually not creating the endpoint
config.RawPath = "/foo"
currentTime := float64(time.Now().UnixNano()) / 1e6
splunkMsg := buildSplunkHecMsg(currentTime, 3)
tests := []struct {
name string
req *http.Request
assertResponse func(t *testing.T, resp *http.Response, body any)
}{
{
name: "incorrect_method",
req: httptest.NewRequest("PUT", "http://localhost/foo", nil),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusBadRequest, status)
assert.Equal(t, `Only "POST" method is supported`, body)
},
},
{
name: "incorrect_content_type",
req: func() *http.Request {
req := httptest.NewRequest("POST", "http://localhost/foo", strings.NewReader("foo\nbar"))
req.Header.Set("Content-Type", "application/not-json")
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusOK, status)
},
},
{
name: "incorrect_content_encoding",
req: func() *http.Request {
req := httptest.NewRequest("POST", "http://localhost/foo", nil)
req.Header.Set("Content-Encoding", "superzipper")
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusUnsupportedMediaType, status)
assert.Equal(t, `"Content-Encoding" must be "gzip" or empty`, body)
},
},
{
name: "empty_body",
req: func() *http.Request {
req := httptest.NewRequest("POST", "http://localhost/foo", bytes.NewReader(nil))
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusBadRequest, status)
assert.Equal(t, map[string]any{"code": float64(5), "text": "No data"}, body)
},
},
{
name: "two_logs",
req: func() *http.Request {
req := httptest.NewRequest("POST", "http://localhost/foo", strings.NewReader("foo\nbar"))
return req
}(),
assertResponse: func(t *testing.T, resp *http.Response, body any) {
status := resp.StatusCode
assert.Equal(t, http.StatusOK, status)