Improvements in the upgrade documentation of v14 to v15

Author: Gabriel Mainberger

docs/modules/ROOT/pages/how-tos/upgrade-14.x-to-15.x.adoc

@@ -68,8 +68,8 @@ kubectl -n "${NAMESPACE}" exec -ti keycloak-postgresql-0 -c postgresql -- sh -c
 ----
 kubectl -n $NAMESPACE scale statefulset keycloak-postgresql --replicas=0
 
-# Wait until statefulset has been scaled down
-kubectl -n $NAMESPACE get statefulset keycloak-postgresql -w
+# Check if the statefulset pod have been scaled down
+kubectl -n $NAMESPACE get pod keycloak-postgresql-0
 ----
 
 . Delete the Postgres database production database persistentvolumeclaim.
@@ -88,15 +88,15 @@ REALLY! DO NOT PROCEED HERE WITHOUT HAVING DONE A BACKUP AND ENSURED THE DUMP CO
 ----
 kubectl -n $NAMESPACE delete persistentvolumeclaim data-keycloak-postgresql-0
 
-# Wait until persistent volume claim has been deleted
-kubectl -n $NAMESPACE get persistentvolumeclaim data-keycloak-postgresql-0 -w
+# Check if the persistent volume claim has been deleted
+kubectl -n $NAMESPACE get persistentvolumeclaim data-keycloak-postgresql-0
 ----
 
 . Patch the Postgres statefulset to v15.
 +
 [source,bash]
 ----
-kubectl n $NAMESPACE patch sts keycloak-postgresql -p '{"spec": {"template": {"spec": {"containers": [{"name": "postgresql", "image": "docker.io/bitnami/postgresql:15.6.0-debian-12-r5"}]}}}}'
+kubectl -n $NAMESPACE patch sts keycloak-postgresql -p '{"spec": {"template": {"spec": {"containers": [{"name": "postgresql", "image": "docker.io/bitnami/postgresql:15.6.0-debian-12-r5"}]}}}}'
 ----
 
 . Scale up the Postgres database.
@@ -113,7 +113,14 @@ kubectl -n $NAMESPACE get statefulset keycloak-postgresql -w
 +
 [source,bash]
 ----
-kubectl -n syn-keycloak-test logs keycloak-postgresql-0 | grep "PostgreSQL 15.6"
+kubectl -n $NAMESPACE logs keycloak-postgresql-0 | grep "PostgreSQL 15.6"
+----
++
+should look similar to
++
+[source,bash]
+----
+2024-03-26 16:17:24.653 GMT [1] LOG:  starting PostgreSQL 15.6 on x86_64-pc-linux-gnu, compiled by gcc (Debian 12.2.0-14) 12.2.0, 64-bit
 ----
 
 . Import the SQL dump into the Postgres v15 database.
@@ -140,7 +147,7 @@ kubectl -n "${NAMESPACE}" exec -ti keycloak-postgresql-0 -c postgresql -- sh -c
 +
 [source,bash]
 ----
-diff keycloak-postgresql-2024-02-23-13-04-21.sql keycloak-postgresql-2024-02-23-13-04-35.sql
+diff <(sort keycloak-postgresql-2024-03-26-17-14-52.sql) <(sort keycloak-postgresql-2024-03-26-17-20-40.sql)
 ----
 +
 Should be similar to:
@@ -206,7 +213,7 @@ parameters:
 +
 [source,bash]
 ----
-kubectl -n syn patch applications.argoproj.io root  --type=json \
+kubectl -n syn patch applications.argoproj.io root --type=json \
   -p '[{
     "op":"replace",
     "path":"/spec/syncPolicy",