Add -trimpath when building go binaries (#4212)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: atoulme

.chloggen/add_trimpath.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: manager, target-allocator, opamp-bridge, must-gather
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: add -trimpath when building binaries
+
+# One or more tracking issues related to the change
+issues: [4078]
+
+# (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:

Makefile

@@ -181,21 +181,21 @@ update: generate manifests bundle api-docs reset
 # Build manager binary
 .PHONY: manager
 manager: generate
-	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(ARCH) go build -o bin/manager_${ARCH} -ldflags "${COMMON_LDFLAGS} ${OPERATOR_LDFLAGS}" main.go
+	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(ARCH) go build -o bin/manager_${ARCH} -trimpath -ldflags "${COMMON_LDFLAGS} ${OPERATOR_LDFLAGS}" main.go
 
 .PHONY: must-gather
 must-gather:
-	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(ARCH) go build -o bin/must-gather_${ARCH} -ldflags "${COMMON_LDFLAGS}" ./cmd/gather/main.go
+	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(ARCH) go build -o bin/must-gather_${ARCH} -trimpath -ldflags "${COMMON_LDFLAGS}" ./cmd/gather/main.go
 
 # Build target allocator binary
 .PHONY: targetallocator
 targetallocator:
-	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(ARCH) go build -o cmd/otel-allocator/bin/targetallocator_${ARCH} -ldflags "${COMMON_LDFLAGS}" ./cmd/otel-allocator
+	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(ARCH) go build -o cmd/otel-allocator/bin/targetallocator_${ARCH} -trimpath -ldflags "${COMMON_LDFLAGS}" ./cmd/otel-allocator
 
 # Build opamp bridge binary
 .PHONY: operator-opamp-bridge
 operator-opamp-bridge: generate
-	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(ARCH) go build -o cmd/operator-opamp-bridge/bin/opampbridge_${ARCH} -ldflags "${COMMON_LDFLAGS}" ./cmd/operator-opamp-bridge
+	CGO_ENABLED=0 GOOS=$(GOOS) GOARCH=$(ARCH) go build -o cmd/operator-opamp-bridge/bin/opampbridge_${ARCH} -trimpath -ldflags "${COMMON_LDFLAGS}" ./cmd/operator-opamp-bridge
 
 # Run against the configured Kubernetes cluster in ~/.kube/config
 .PHONY: run