Instrumentations support select

.chloggen/instrumentation-support-select.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: Support label selectors in the Instrumentation CR
+
+# One or more tracking issues related to the change
+issues: [2744]
+
+# (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:

apis/v1alpha1/instrumentation_types.go

@@ -22,6 +22,13 @@ import (
 
 // InstrumentationSpec defines the desired state of OpenTelemetry SDK and instrumentation.
 type InstrumentationSpec struct {
+	// Selector is the label selector for affected Pods.
+	// This selector only takes effect when annotation: instrumentation.opentelemetry.io/inject-xx equal true.
+	// Unlike standard label selectors, `nil` means `everything`, and this is also the default.
+	// This may change in a future CRD version.
+	// +optional
+	Selector *metav1.LabelSelector `json:"selector,omitempty"`
+
 	// Exporter defines exporter configuration.
 	// +optional
 	Exporter `json:"exporter,omitempty"`