Apply monitoringlinter

Apply monitoringlinter, which is designed to enforce
kubevirt/community#219 by ensuring that monitoring-related practices are
implemented within the pkg/monitoring directory using
operator-observability methods.

Signed-off-by: assafad <aadmi@redhat.com>

Makefile

@@ -222,6 +222,7 @@ lint:
 	  ./pkg/... \
 	  ./tests/... \
 	"
+	hack/dockerized "monitoringlinter .pkg./..."
 
 lint-metrics:
 	hack/dockerized "./hack/prom-metric-linter/metrics_collector.sh > metrics.json"

hack/builder/Dockerfile

@@ -115,6 +115,10 @@ RUN set -x && \
     source /etc/profile.d/gimme.sh && \
     curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b "$(go env GOROOT)"/bin $GOLANGCI_LINT_VERSION
 
+RUN set -x && \
+    source /etc/profile.d/gimme.sh && \
+    go install -v github.com/kubevirt/monitoring/monitoringlinter/cmd/monitoringlinter@v0.0.4
+
 RUN pip3 install --upgrade operator-courier==${OPERATOR_COURIER_VERSION}
 
 RUN set -x && \