Update build infrastructure for isolated test module

Updates Makefile, Dockerfile, and .gitignore to work with the new
test extension module location.

Makefile changes:
- Added TESTS_EXT_DIR variable pointing to test/extended/tests-extension
- tests-ext-build now builds from test/extended/tests-extension/
- tests-ext-update runs from and updates metadata in tests-extension dir
- Binary output: test/extended/tests-extension/cluster-kube-apiserver-operator-tests-ext

Dockerfile changes:
- Updated gzip path: test/extended/tests-extension/cluster-kube-apiserver-operator-tests-ext
- Updated COPY path for .gz file to match new location

.gitignore changes:
- Updated to ignore binary at new path: /test/extended/tests-extension/cluster-kube-apiserver-operator-tests-ext

The build process now:
1. cd into test/extended/tests-extension/ (where the separate go.mod is)
2. Build the binary using the isolated dependencies
3. Output binary stays within the test module directory
4. Docker build references the new paths for gzip and copy operations

Author: gangwgr

.gitignore

@@ -1,5 +1,5 @@
 /cluster-kube-apiserver-operator
-/cluster-kube-apiserver-operator-tests-ext
+/test/extended/tests-extension/cluster-kube-apiserver-operator-tests-ext
 .idea/
 /_output/
 telepresence.log

Dockerfile.rhel7

@@ -4,7 +4,7 @@ COPY . .
 ENV GO_PACKAGE github.com/openshift/cluster-kube-apiserver-operator
 RUN make build --warn-undefined-variables \
     && make tests-ext-build \
-    && gzip cluster-kube-apiserver-operator-tests-ext
+    && gzip test/extended/tests-extension/cluster-kube-apiserver-operator-tests-ext
 
 FROM registry.ci.openshift.org/ocp/4.21:base-rhel9
 COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator/bindata/bootkube/bootstrap-manifests /usr/share/bootkube/manifests/bootstrap-manifests/
@@ -13,7 +13,7 @@ COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator
 COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator/bindata/bootkube/scc-manifests /usr/share/bootkube/manifests/manifests/
 COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator/vendor/github.com/openshift/api/apiserver/v1/zz_generated.crd-manifests/kube-apiserver_apirequestcounts.crd.yaml /usr/share/bootkube/manifests/manifests/
 COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator/cluster-kube-apiserver-operator /usr/bin/
-COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator/cluster-kube-apiserver-operator-tests-ext.gz /usr/bin/
+COPY --from=builder /go/src/github.com/openshift/cluster-kube-apiserver-operator/test/extended/tests-extension/cluster-kube-apiserver-operator-tests-ext.gz /usr/bin/
 
 COPY manifests /manifests
 COPY bindata/bootkube/scc-manifests /manifests

Makefile

@@ -18,7 +18,8 @@ ENCRYPTION_PROVIDERS=aescbc aesgcm
 ENCRYPTION_PROVIDER?=aescbc
 
 TESTS_EXT_BINARY := cluster-kube-apiserver-operator-tests-ext
-TESTS_EXT_PACKAGE := ./cmd/cluster-kube-apiserver-operator-tests-ext
+TESTS_EXT_DIR := ./test/extended/tests-extension
+TESTS_EXT_PACKAGE := ./cmd
 
 TESTS_EXT_GIT_COMMIT := $(shell git rev-parse --short HEAD)
 TESTS_EXT_BUILD_DATE := $(shell date -u +'%Y-%m-%dT%H:%M:%SZ')
@@ -101,6 +102,7 @@ test-e2e-sno-disruptive: test-unit
 # -------------------------------------------------------------------
 .PHONY: tests-ext-build
 tests-ext-build:
+	cd $(TESTS_EXT_DIR) && \
 	GOOS=$(GOOS) GOARCH=$(GOARCH) GO_COMPLIANCE_POLICY=exempt_all CGO_ENABLED=0 \
 	go build -o $(TESTS_EXT_BINARY) -ldflags "$(TESTS_EXT_LDFLAGS)" $(TESTS_EXT_PACKAGE)
 
@@ -109,8 +111,8 @@ tests-ext-build:
 # -------------------------------------------------------------------
 .PHONY: tests-ext-update
 tests-ext-update: tests-ext-build
-	./$(TESTS_EXT_BINARY) update
-	for f in .openshift-tests-extension/*.json; do \
+	cd $(TESTS_EXT_DIR) && ./$(TESTS_EXT_BINARY) update
+	for f in $(TESTS_EXT_DIR)/.openshift-tests-extension/*.json; do \
 		jq 'map(del(.codeLocations))' "$$f" > tmpp && mv tmpp "$$f"; \
 	done