From 5d2a65079e8e34538a0d15fb62700c757d9cd934 Mon Sep 17 00:00:00 2001
From: bom <mattis.boeckle@meissa-gmbh.de>
Date: Thu, 25 Apr 2024 14:23:38 +0200
Subject: [PATCH] Add Doc to rename the cloud DB

---
 doc/RenameDatabase.md | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 doc/RenameDatabase.md

diff --git a/doc/RenameDatabase.md b/doc/RenameDatabase.md
new file mode 100644
index 0000000..f9f3d73
--- /dev/null
+++ b/doc/RenameDatabase.md
@@ -0,0 +1,41 @@
+# Rename Database
+
+## Start
+
+1. Scale down cloud deployment
+`k -n nextcloud scale deployment cloud-deployment --replicas 0`
+
+## Change db-name in postgres
+
+1. Connect to postgres-pod
+`k -n nextcloud exec -it postgresql-... -- bash`
+2. Connect to a database
+`PGPASSWORD=$POSTGRES_PASSWORD psql -h postgresql-service -U $POSTGRES_USER postgres`
+3. List available databases
+`\l`
+4. Rename database
+`ALTER DATABASE cloud RENAME TO nextcloud;`
+5. Verify
+`\l`
+6. Quit
+`\q`
+
+## Update postgres-config
+
+1. Edit configmap
+`k -n nextcloud edit configmap postgres-config`
+2. Update postgres-db value
+3. Save
+
+## Update nextcloud db-name
+
+1. Scale up nextcloud
+`k -n nextcloud scale deployment cloud-deployment --replicas 1`
+2. Connect
+`k -n nextcloud exec -it cloud-deployment-... -- bash`
+3. Update db value in config.php
+`apt update`
+`apt install vim`
+`vim config/config.php`
+4. Update dbname field
+5. Verify server+website is working