check for default certmanager, fix private key size to 4k

playbooks/roles/create-certs/tasks/main.yml

@@ -31,7 +31,7 @@
     passphrase: verysecret
     type: RSA
     cipher: auto
-    size: 8192
+    size: 4096
     mode: 0600
   when: cakey_file.stat.exists == false
 

playbooks/roles/deploy-certmanager/tasks/main.yml

@@ -66,7 +66,7 @@
     validate_certs: no
     api_version: operator.openshift.io/v1alpha1
     kind: certmanager
-    name: cluster-cert-manager
+    name: cluster
     resource_definition:
       spec: {}