Default GPU node replicas to 1 avoiding 0 nodes in SNO clusters (#2167)

* default node replicas to 1

* add replicas in gcp N1 kustomize

* add temp sleep for NFD CRD creation

ods_ci/tasks/Resources/Provisioning/GPU/NFD/install_nfd.sh

@@ -26,4 +26,6 @@ else
     echo "WARNING: I don't know the sha for $xyVersion. Re-using default 4.17 $imageUrl. It might not work!"
 fi
 sed -i'' -e "s/<imageUrl>/$imageUrl/g" $NFD_INSTANCE
+# temporary sleep until latest oc binary is available and --for=create is supported
+sleep 10s
 oc apply -f "$NFD_INSTANCE"

ods_ci/tasks/Resources/Provisioning/Hive/GPU/overlays/AWS/gpu.yaml

@@ -1,3 +1,6 @@
 - op: replace
   path: /spec/template/spec/providerSpec/value/instanceType
   value: INSTANCE_TYPE
+- op: replace
+  path: /spec/replicas
+  value: 1

ods_ci/tasks/Resources/Provisioning/Hive/GPU/overlays/GCP/attach-gpu-to-n1/gpu.yaml

@@ -9,3 +9,6 @@
 - op: replace
   path: /spec/template/spec/providerSpec/value/machineType
   value: INSTANCE_TYPE
+- op: replace
+  path: /spec/replicas
+  value: 1

ods_ci/tasks/Resources/Provisioning/Hive/GPU/overlays/GCP/gpu.yaml

@@ -3,4 +3,7 @@
   value: INSTANCE_TYPE
 - op: add
   path: /spec/template/spec/providerSpec/value/onHostMaintenance
-  value: Terminate
+  value: Terminate
+- op: replace
+  path: /spec/replicas
+  value: 1

ods_ci/tasks/Resources/Provisioning/Hive/GPU/overlays/IBM/gpu.yaml

@@ -1,3 +1,6 @@
 - op: replace
   path: /spec/template/spec/providerSpec/value/profile
   value: INSTANCE_TYPE
+- op: replace
+  path: /spec/replicas
+  value: 1