Set OTEL_LOGS_EXPORTER for python (#3330)

* Set OTEL_LOGS_EXPORTER for python * Add changelog * Update e2e tests * Fix some e2e * Fix instrumentation python test * Another e2e fix * Apply suggestions from code review * Update .chloggen/3330-python-otel-logs-exporter.yaml Co-authored-by: Jacob Aronoff <jaronoff97@users.noreply.github.com> --------- Co-authored-by: Jacob Aronoff <jaronoff97@users.noreply.github.com>
open-telemetry · Oct 17, 2024 · c4c5cc8 · c4c5cc8
1 parent a748078
commit c4c5cc8
Show file tree

Hide file tree

Showing 10 changed files with 172 additions and 2 deletions.
diff --git a/.chloggen/3330-python-otel-logs-exporter.yaml b/.chloggen/3330-python-otel-logs-exporter.yaml
@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. collector, target allocator, auto-instrumentation, opamp, github action)
+component: auto-instrumentation
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: set OTEL_LOGS_EXPORTER env var to otlp in python instrumentation
+
+# One or more tracking issues related to the change
+issues: [3330]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
diff --git a/pkg/instrumentation/podmutator_test.go b/pkg/instrumentation/podmutator_test.go
@@ -1258,6 +1258,10 @@ func TestMutatePod(t *testing.T) {
 								Name:  "OTEL_METRICS_EXPORTER",
 								Value: "otlp",
 							},
+							{
+								Name:  "OTEL_LOGS_EXPORTER",
+								Value: "otlp",
+							},
 							{
 								Name:  "OTEL_EXPORTER_OTLP_ENDPOINT",
 								Value: "http://localhost:4318",
@@ -1361,6 +1365,10 @@ func TestMutatePod(t *testing.T) {
 									Name:  "OTEL_METRICS_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
 								{
 									Name:  "OTEL_EXPORTER_OTLP_ENDPOINT",
 									Value: "http://localhost:4318",
@@ -1454,6 +1462,10 @@ func TestMutatePod(t *testing.T) {
 								Name:  "OTEL_METRICS_EXPORTER",
 								Value: "otlp",
 							},
+							{
+								Name:  "OTEL_LOGS_EXPORTER",
+								Value: "otlp",
+							},
 							{
 								Name:  "OTEL_EXPORTER_OTLP_ENDPOINT",
 								Value: "http://localhost:4318",
@@ -1562,6 +1574,10 @@ func TestMutatePod(t *testing.T) {
 									Name:  "OTEL_METRICS_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
 								{
 									Name:  "OTEL_EXPORTER_OTLP_ENDPOINT",
 									Value: "http://localhost:4318",
@@ -1653,6 +1669,10 @@ func TestMutatePod(t *testing.T) {
 									Name:  "OTEL_METRICS_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
 								{
 									Name:  "OTEL_EXPORTER_OTLP_ENDPOINT",
 									Value: "http://localhost:4318",
@@ -1746,6 +1766,10 @@ func TestMutatePod(t *testing.T) {
 								Name:  "OTEL_METRICS_EXPORTER",
 								Value: "otlp",
 							},
+							{
+								Name:  "OTEL_LOGS_EXPORTER",
+								Value: "otlp",
+							},
 							{
 								Name:  "OTEL_EXPORTER_OTLP_ENDPOINT",
 								Value: "http://localhost:4318",
@@ -4125,6 +4149,10 @@ func TestMutatePod(t *testing.T) {
 									Name:  "OTEL_METRICS_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
 								{
 									Name:  "OTEL_SERVICE_NAME",
 									Value: "python1",
@@ -4200,6 +4228,10 @@ func TestMutatePod(t *testing.T) {
 									Name:  "OTEL_METRICS_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
 								{
 									Name:  "OTEL_SERVICE_NAME",
 									Value: "python2",

diff --git a/pkg/instrumentation/python.go b/pkg/instrumentation/python.go
@@ -26,6 +26,7 @@ const (
 	envPythonPath               = "PYTHONPATH"
 	envOtelTracesExporter       = "OTEL_TRACES_EXPORTER"
 	envOtelMetricsExporter      = "OTEL_METRICS_EXPORTER"
+	envOtelLogsExporter         = "OTEL_LOGS_EXPORTER"
 	envOtelExporterOTLPProtocol = "OTEL_EXPORTER_OTLP_PROTOCOL"
 	pythonPathPrefix            = "/otel-auto-instrumentation-python/opentelemetry/instrumentation/auto_instrumentation"
 	pythonPathSuffix            = "/otel-auto-instrumentation-python"
@@ -70,7 +71,7 @@ func injectPythonSDK(pythonSpec v1alpha1.Python, pod corev1.Pod, index int) (cor
 		})
 	}
 
-	// Set OTEL_TRACES_EXPORTER to HTTP exporter if not set by user because it is what our autoinstrumentation supports.
+	// Set OTEL_TRACES_EXPORTER to otlp exporter if not set by user because it is what our autoinstrumentation supports.
 	idx = getIndexOfEnv(container.Env, envOtelTracesExporter)
 	if idx == -1 {
 		container.Env = append(container.Env, corev1.EnvVar{
@@ -79,7 +80,7 @@ func injectPythonSDK(pythonSpec v1alpha1.Python, pod corev1.Pod, index int) (cor
 		})
 	}
 
-	// Set OTEL_METRICS_EXPORTER to HTTP exporter if not set by user because it is what our autoinstrumentation supports.
+	// Set OTEL_METRICS_EXPORTER to otlp exporter if not set by user because it is what our autoinstrumentation supports.
 	idx = getIndexOfEnv(container.Env, envOtelMetricsExporter)
 	if idx == -1 {
 		container.Env = append(container.Env, corev1.EnvVar{
@@ -88,6 +89,15 @@ func injectPythonSDK(pythonSpec v1alpha1.Python, pod corev1.Pod, index int) (cor
 		})
 	}
 
+	// Set OTEL_LOGS_EXPORTER to otlp exporter if not set by user because it is what our autoinstrumentation supports.
+	idx = getIndexOfEnv(container.Env, envOtelLogsExporter)
+	if idx == -1 {
+		container.Env = append(container.Env, corev1.EnvVar{
+			Name:  envOtelLogsExporter,
+			Value: "otlp",
+		})
+	}
+
 	container.VolumeMounts = append(container.VolumeMounts, corev1.VolumeMount{
 		Name:      pythonVolumeName,
 		MountPath: pythonInstrMountPath,

diff --git a/pkg/instrumentation/python_test.go b/pkg/instrumentation/python_test.go
@@ -90,6 +90,10 @@ func TestInjectPythonSDK(t *testing.T) {
 									Name:  "OTEL_METRICS_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
 							},
 						},
 					},
@@ -163,6 +167,10 @@ func TestInjectPythonSDK(t *testing.T) {
 									Name:  "OTEL_METRICS_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
 							},
 						},
 					},
@@ -235,6 +243,10 @@ func TestInjectPythonSDK(t *testing.T) {
 									Name:  "OTEL_METRICS_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
 							},
 						},
 					},
@@ -307,6 +319,86 @@ func TestInjectPythonSDK(t *testing.T) {
 									Name:  "OTEL_TRACES_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
+							},
+						},
+					},
+				},
+			},
+			err: nil,
+		},
+		{
+			name:   "OTEL_LOGS_EXPORTER defined",
+			Python: v1alpha1.Python{Image: "foo/bar:1"},
+			pod: corev1.Pod{
+				Spec: corev1.PodSpec{
+					Containers: []corev1.Container{
+						{
+							Env: []corev1.EnvVar{
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "somebackend",
+								},
+							},
+						},
+					},
+				},
+			},
+			expected: corev1.Pod{
+				Spec: corev1.PodSpec{
+					Volumes: []corev1.Volume{
+						{
+							Name: "opentelemetry-auto-instrumentation-python",
+							VolumeSource: corev1.VolumeSource{
+								EmptyDir: &corev1.EmptyDirVolumeSource{
+									SizeLimit: &defaultVolumeLimitSize,
+								},
+							},
+						},
+					},
+					InitContainers: []corev1.Container{
+						{
+							Name:    "opentelemetry-auto-instrumentation-python",
+							Image:   "foo/bar:1",
+							Command: []string{"cp", "-r", "/autoinstrumentation/.", "/otel-auto-instrumentation-python"},
+							VolumeMounts: []corev1.VolumeMount{{
+								Name:      "opentelemetry-auto-instrumentation-python",
+								MountPath: "/otel-auto-instrumentation-python",
+							}},
+						},
+					},
+					Containers: []corev1.Container{
+						{
+							VolumeMounts: []corev1.VolumeMount{
+								{
+									Name:      "opentelemetry-auto-instrumentation-python",
+									MountPath: "/otel-auto-instrumentation-python",
+								},
+							},
+							Env: []corev1.EnvVar{
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "somebackend",
+								},
+								{
+									Name:  "PYTHONPATH",
+									Value: fmt.Sprintf("%s:%s", "/otel-auto-instrumentation-python/opentelemetry/instrumentation/auto_instrumentation", "/otel-auto-instrumentation-python"),
+								},
+								{
+									Name:  "OTEL_EXPORTER_OTLP_PROTOCOL",
+									Value: "http/protobuf",
+								},
+								{
+									Name:  "OTEL_TRACES_EXPORTER",
+									Value: "otlp",
+								},
+								{
+									Name:  "OTEL_METRICS_EXPORTER",
+									Value: "otlp",
+								},
 							},
 						},
 					},
@@ -379,6 +471,10 @@ func TestInjectPythonSDK(t *testing.T) {
 									Name:  "OTEL_METRICS_EXPORTER",
 									Value: "otlp",
 								},
+								{
+									Name:  "OTEL_LOGS_EXPORTER",
+									Value: "otlp",
+								},
 							},
 						},
 					},

diff --git a/pkg/instrumentation/sdk_test.go b/pkg/instrumentation/sdk_test.go
@@ -1261,6 +1261,10 @@ func TestInjectPython(t *testing.T) {
 							Name:  "OTEL_METRICS_EXPORTER",
 							Value: "otlp",
 						},
+						{
+							Name:  "OTEL_LOGS_EXPORTER",
+							Value: "otlp",
+						},
 						{
 							Name:  "OTEL_SERVICE_NAME",
 							Value: "app",

diff --git a/tests/e2e-instrumentation/instrumentation-python-multicontainer/01-assert.yaml b/tests/e2e-instrumentation/instrumentation-python-multicontainer/01-assert.yaml
@@ -26,6 +26,8 @@ spec:
       value: otlp
     - name: OTEL_METRICS_EXPORTER
       value: otlp
+    - name: OTEL_LOGS_EXPORTER
+      value: otlp
     - name: OTEL_EXPORTER_OTLP_ENDPOINT
       value: http://localhost:4317
     - name: OTEL_EXPORTER_OTLP_TIMEOUT
@@ -74,6 +76,8 @@ spec:
       value: otlp
     - name: OTEL_METRICS_EXPORTER
       value: otlp
+    - name: OTEL_LOGS_EXPORTER
+      value: otlp
     - name: OTEL_EXPORTER_OTLP_ENDPOINT
       value: http://localhost:4317
     - name: OTEL_EXPORTER_OTLP_TIMEOUT

diff --git a/tests/e2e-instrumentation/instrumentation-python-multicontainer/02-assert.yaml b/tests/e2e-instrumentation/instrumentation-python-multicontainer/02-assert.yaml
@@ -37,6 +37,8 @@ spec:
       value: otlp
     - name: OTEL_METRICS_EXPORTER
       value: otlp
+    - name: OTEL_LOGS_EXPORTER
+      value: otlp
     - name: OTEL_EXPORTER_OTLP_ENDPOINT
       value: http://localhost:4317
     - name: OTEL_EXPORTER_OTLP_TIMEOUT

diff --git a/tests/e2e-instrumentation/instrumentation-python/01-assert.yaml b/tests/e2e-instrumentation/instrumentation-python/01-assert.yaml
@@ -29,6 +29,8 @@ spec:
       value: http/protobuf
     - name: OTEL_METRICS_EXPORTER
       value: otlp
+    - name: OTEL_LOGS_EXPORTER
+      value: otlp
     - name: OTEL_EXPORTER_OTLP_TIMEOUT
       value: "20"
     - name: OTEL_TRACES_SAMPLER

diff --git a/tests/e2e-multi-instrumentation/instrumentation-multi-multicontainer-go/02-assert.yaml b/tests/e2e-multi-instrumentation/instrumentation-multi-multicontainer-go/02-assert.yaml
@@ -43,6 +43,8 @@ spec:
       value: otlp
     - name: OTEL_METRICS_EXPORTER
       value: otlp
+    - name: OTEL_LOGS_EXPORTER
+      value: otlp
     - name: OTEL_EXPORTER_OTLP_TIMEOUT
       value: "20"
     - name: OTEL_TRACES_SAMPLER

diff --git a/tests/e2e-multi-instrumentation/instrumentation-multi-multicontainer/01-assert.yaml b/tests/e2e-multi-instrumentation/instrumentation-multi-multicontainer/01-assert.yaml
@@ -185,6 +185,8 @@ spec:
       value: otlp
     - name: OTEL_METRICS_EXPORTER
       value: otlp
+    - name: OTEL_LOGS_EXPORTER
+      value: otlp
     - name: OTEL_TRACES_SAMPLER
       value: parentbased_traceidratio
     - name: OTEL_TRACES_SAMPLER_ARG