Add PDB for 'jack' pods (#59)

Author: sebrandon1

Makefile

@@ -121,7 +121,8 @@ deploy: manifests kustomize## Deploy controller to the K8s cluster specified in
 
 .PHONY: addrole
 addrole: ## add relevant role
-	kubectl create clusterrole deployerCrd --verb=get,list,watch,create,delete,patch,update --resource=deployments.apps &&  kubectl create clusterrolebinding deployer-srvacct-default-binding --clusterrole=deployerCrd --serviceaccount=tnf:new-pro-controller-manager
+	kubectl create -f pdb.yml
+	kubectl create clusterrole deployerCrd --verb=get,list,watch,create,delete,patch,update --resource=deployments.apps && kubectl create clusterrolebinding deployer-srvacct-default-binding --clusterrole=deployerCrd --serviceaccount=tnf:new-pro-controller-manager
 
 .PHONY: undeploy
 undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.

pdb.yml

@@ -0,0 +1,21 @@
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: jack-pdb-min
+  namespace: tnf
+spec:
+  minAvailable: 1
+  selector:
+    matchLabels:
+      app: jack
+---
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: jack-pdb-max
+  namespace: tnf
+spec:
+  maxUnavailable: 1
+  selector:
+    matchLabels:
+      app: jack