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Reuse some shared code
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| // Copyright Splunk, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package discoverytest | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "syscall" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/docker/docker/api/types/container" | ||
| "github.com/docker/docker/api/types/network" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "github.com/testcontainers/testcontainers-go" | ||
| "go.opentelemetry.io/collector/component/componenttest" | ||
| "go.opentelemetry.io/collector/consumer/consumertest" | ||
| "go.opentelemetry.io/collector/receiver/otlpreceiver" | ||
| "go.opentelemetry.io/collector/receiver/receivertest" | ||
| ) | ||
|
|
||
| const ( | ||
| receiverTypeAttr = "discovery.receiver.type" | ||
| messageAttr = "discovery.message" | ||
| otelEntityAttributesAttr = "otel.entity.attributes" | ||
| ) | ||
|
|
||
| func Run(t *testing.T, receiverName string, configFilePath string, logMessageToAssert string) { | ||
| factory := otlpreceiver.NewFactory() | ||
| port := 16745 | ||
| cfg := factory.CreateDefaultConfig().(*otlpreceiver.Config) | ||
| cfg.GRPC.NetAddr.Endpoint = fmt.Sprintf("localhost:%d", port) | ||
| endpoint := cfg.GRPC.NetAddr.Endpoint | ||
| sink := &consumertest.LogsSink{} | ||
| receiver, err := factory.CreateLogsReceiver(context.Background(), receivertest.NewNopSettings(), c, sink) | ||
| require.NoError(t, err) | ||
| require.NoError(t, receiver.Start(context.Background(), componenttest.NewNopHost())) | ||
| t.Cleanup(func() { | ||
| require.NoError(t, receiver.Shutdown(context.Background())) | ||
| }) | ||
|
|
||
| dockerGID, err := getDockerGID() | ||
| require.NoError(t, err) | ||
|
|
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| req := testcontainers.ContainerRequest{ | ||
| Image: "otelcol:latest", | ||
| HostConfigModifier: func(hc *container.HostConfig) { | ||
| hc.Binds = []string{"/var/run/docker.sock:/var/run/docker.sock"} | ||
| hc.NetworkMode = network.NetworkHost | ||
| hc.GroupAdd = []string{dockerGID} | ||
| }, | ||
| Env: map[string]string{ | ||
| "SPLUNK_REALM": "us2", | ||
| "SPLUNK_ACCESS_TOKEN": "12345", | ||
| "SPLUNK_DISCOVERY_LOG_LEVEL": "info", | ||
| "OTLP_ENDPOINT": endpoint, | ||
| "SPLUNK_OTEL_COLLECTOR_IMAGE": "otelcol:latest", | ||
| }, | ||
| Entrypoint: []string{"/otelcol", "--config", "/home/otel-local-config.yaml"}, | ||
| Files: []testcontainers.ContainerFile{ | ||
| { | ||
| HostFilePath: configFilePath, | ||
| ContainerFilePath: "/home/otel-local-config.yaml", | ||
| FileMode: 0o777, | ||
| }, | ||
| }, | ||
| } | ||
|
|
||
| c, err := testcontainers.GenericContainer(context.Background(), testcontainers.GenericContainerRequest{ | ||
| ContainerRequest: req, | ||
| Started: true, | ||
| }) | ||
| require.NoError(t, err) | ||
|
|
||
| seenMessageAttr := 0 | ||
| seenReceiverTypeAttr := 0 | ||
| assert.EventuallyWithT(t, func(tt *assert.CollectT) { | ||
| if len(sink.AllLogs()) == 0 { | ||
| assert.Fail(tt, "No logs collected") | ||
| return | ||
| } | ||
| for i := 0; i < len(sink.AllLogs()); i++ { | ||
| plogs := sink.AllLogs()[i] | ||
| lrs := plogs.ResourceLogs().At(0).ScopeLogs().At(0).LogRecords() | ||
| for j := 0; j < lrs.Len(); j++ { | ||
| lr := lrs.At(j) | ||
| attrMap, ok := lr.Attributes().Get(otelEntityAttributesAttr) | ||
| if ok { | ||
| m := attrMap.Map() | ||
| discoveryMsg, ok := m.Get(messageAttr) | ||
| if ok { | ||
| seenMessageAttr++ | ||
| assert.Equal(tt, logMessageToAssert, discoveryMsg.AsString()) | ||
| } | ||
| discoveryType, ok := m.Get(receiverTypeAttr) | ||
| if ok { | ||
| seenReceiverTypeAttr++ | ||
| assert.Equal(tt, receiverName, discoveryType.AsString()) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| assert.Greater(tt, seenMessageAttr, 0, "Did not see message '%s'", logMessageToAssert) | ||
| assert.Greater(tt, seenReceiverTypeAttr, 0, "Did not see expected type '%s'", receiverName) | ||
| }, 60*time.Second, 1*time.Second, "Did not get '%s' discovery in time", receiverName) | ||
|
|
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| t.Cleanup(func() { | ||
| require.NoError(t, c.Terminate(context.Background())) | ||
| }) | ||
|
|
||
| } | ||
|
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| func getDockerGID() (string, error) { | ||
| finfo, err := os.Stat("/var/run/docker.sock") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| fsys := finfo.Sys() | ||
| stat, ok := fsys.(*syscall.Stat_t) | ||
| if !ok { | ||
| return "", fmt.Errorf("OS error occurred while trying to get GID ") | ||
| } | ||
| dockerGID := fmt.Sprintf("%d", stat.Gid) | ||
| return dockerGID, nil | ||
| } |
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