Change the OpenShift detection

Signed-off-by: Israel Blancas <iblancasa@gmail.com>

hack/install-metrics-server.sh

@@ -5,7 +5,7 @@
 # you can just add --addons "metrics-server" to the start command.
 
 
-if [[ "$(kubectl api-resources)" =~ "openshift" ]]; then
+if [[ "$(kubectl api-resources --api-group=operator.openshift.io -o name)" ]]; then
     echo "Connected to an OpenShift cluster. metrics-server installation is not needed"
 elif [[ "$(kubectl get deployment metrics-server -n kube-system 2>&1 )" =~ "NotFound" ]]; then
     kubectl apply -f https://github.com/kubernetes-sigs/metrics-server/releases/latest/download/components.yaml

hack/install-openshift-routes.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [[ "$(kubectl api-resources)" =~ "openshift" ]]; then
+if [[ "$(kubectl api-resources --api-group=operator.openshift.io -o name)" ]]; then
     echo "Connected to an OpenShift cluster. OpenShift routes installation is not needed"
 else
     kubectl apply -f https://raw.githubusercontent.com/openshift/router/release-4.12/deploy/router_rbac.yaml

tests/e2e/daemonset-features/add-sa-collector.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-if [[ "$(kubectl api-resources)" =~ "operator.openshift.io" ]]; then
+if [[ "$(kubectl api-resources --api-group=operator.openshift.io -o name)" ]]; then
     echo "Adding service account to the OpenTelemetry Collector"
     kubectl patch otelcol daemonset --type=merge -p '{"spec":{"serviceAccount":"otel-collector-daemonset"}}' -n $NAMESPACE
 fi

tests/e2e/daemonset-features/add-scc-openshift.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-if [[ "$(kubectl api-resources)" =~ "operator.openshift.io" ]]; then
+if [[ "$(kubectl api-resources --api-group=operator.openshift.io -o name)" ]]; then
     echo "Running the test against an OpenShift Cluster"
     echo "Creating an Service Account"
     echo "Creating a Security Context Constrain"