DEV (kubevirtci): allow redploying the operator/webhook

Added two new Makefile targets:
```shell
make cluster-redeploy-operator
make cluster-redeploy-webhook
```

It will rebuild the image, and restart the operator/webhook pods with
the new image.

Signed-off-by: Nahshon Unna-Tsameret <[email protected]>

Makefile

@@ -132,6 +132,12 @@ cluster-down:
 cluster-sync:
 	IMAGE_REGISTRY=$(IMAGE_REGISTRY) REGISTRY_NAMESPACE=$(REGISTRY_NAMESPACE) ./cluster/sync.sh
 
+cluster-redeploy-operator:
+	IMAGE_REGISTRY=$(IMAGE_REGISTRY) REGISTRY_NAMESPACE=$(REGISTRY_NAMESPACE) ./cluster/sync-pod.sh operator
+
+cluster-redeploy-webhook:
+	IMAGE_REGISTRY=$(IMAGE_REGISTRY) REGISTRY_NAMESPACE=$(REGISTRY_NAMESPACE) ./cluster/sync-pod.sh webhook
+
 cluster-clean:
 	CMD="./cluster/kubectl.sh" ./hack/clean.sh
 
@@ -267,6 +273,8 @@ bump-hco:
 		cluster-up \
 		cluster-down \
 		cluster-sync \
+		cluster-redeploy-operator \
+		cluster-redeploy-webhook \
 		cluster-clean \
 		stageRegistry \
 		functest \

cluster/sync-pod.sh

@@ -0,0 +1,50 @@
+#!/bin/bash -ex
+
+source ./hack/common.sh
+source ./_kubevirtci/cluster-up/cluster/ephemeral-provider-common.sh
+
+function set_env() {
+    if [ ${KUBEVIRT_PROVIDER} != "external" ]; then
+        registry_port=$(${_cri_bin} ps | grep -Po '(?<=0.0.0.0:)\d+(?=->5000\/tcp)' | head -n 1)
+        if [ -z "$registry_port" ]; then
+            >&2 echo "unable to get the registry port"
+            exit 1
+        fi
+        export IMAGE_REGISTRY=localhost:$registry_port
+        export REGISTRY=registry:5000
+        export CMD="./cluster/kubectl.sh"
+    else
+        if [ "${REGISTRY_NAMESPACE}" == "kubevirt" ]; then
+            echo "REGISTRY_NAMESPACE cant be kubevirt when using KUBEVIRT_PROVIDER=external"
+            exit 1
+        fi
+        export REGISTRY=$IMAGE_REGISTRY
+        export CMD="oc"
+    fi
+}
+
+component_name=$1
+if [[ "${component_name}" != "operator" && "${component_name}" != "webhook" ]]; then
+  echo "must use $0 with \"operator\" or \"webhook\""
+  exit 1
+fi
+
+deployment_name="hyperconverged-cluster-${component_name}"
+
+set_env
+
+# get original number of replicas
+replicas=$(${CMD} get deployment -n kubevirt-hyperconverged ${deployment_name} -o jsonpath='{ .spec.replicas }')
+# make sure the restarting the pod, will force it to use the new image
+num_cont=$(${CMD} get deployment -n kubevirt-hyperconverged ${deployment_name} -o json | jq '.spec.template.spec.containers | length')
+for i in  $(seq $num_cont); do
+  ind=$((i-1))
+  ${CMD} patch deployment -n kubevirt-hyperconverged ${deployment_name} --type=json --patch '[{"op": "replace", "path": "/spec/template/spec/containers/'${ind}'/imagePullPolicy", "value": "Always"}]'
+done
+# rebuild the image and replace it in the registry
+make container-build-${component_name} container-push-${component_name}
+# restarting the pod, to force taking the new image
+${CMD} scale deployment -n kubevirt-hyperconverged ${deployment_name} --replicas=0
+${CMD} scale deployment -n kubevirt-hyperconverged ${deployment_name} --replicas=${replicas}
+# make sure the new deployment is ready
+${CMD} wait deployment -n kubevirt-hyperconverged ${deployment_name} --for=condition=Available