MT#61101 Add Valkey support

Switch the main key/value service to use the database.key_value.flavor.
Add explicit support for valkey directories and user/group.

Change-Id: Idd21565e66c940c564045ebd02dd148ad3562e9e

templates/130_filesys-ngcp.yaml.tt2

@@ -284,6 +284,21 @@ file:
     linked-to: /ngcp-data/victoria-metrics
     filetype: symlink
 
+  /ngcp-data/valkey:
+    exists: true
+    mode: "0750"
+    owner: valkey
+    group: valkey
+    filetype: directory
+
+  /var/lib/valkey:
+    exists: true
+    mode: "0777"
+    owner: root
+    group: root
+    linked-to: /ngcp-data/valkey
+    filetype: symlink
+
   /ngcp-data/keydb:
     exists: true
     mode: "0750"

templates/200_user-debian.yaml.tt2

@@ -36,6 +36,9 @@ group:
   sudo:
     exists: true
 
+  valkey:
+    exists: true
+
   www-data:
     exists: true
 
@@ -103,6 +106,12 @@ user:
         - "/var/run/sshd"
         - "/run/sshd"
 
+  valkey:
+    exists: true
+    groups:
+      - valkey
+    home: "/var/lib/valkey"
+
   www-data:
     exists: true
     groups:

templates/400_process-debian.yaml.tt2

@@ -17,7 +17,7 @@ process:
   ntpd:
     running: [% ntp.backend == 'ntpd' ? 'true' : 'false ' %]
 
-  keydb-server:
+  [% database.key_value.flavor %]-server:
     running: true
 
   redis-server:

templates/510_init-daemons-ngcp.yaml.tt2

@@ -92,7 +92,7 @@ service:
     enabled: [% general.process_handler == 'none' && is_lb && pushd.enable == "yes" ? 'true' : 'false' %]
     running: [% is_lb && pushd.enable == "yes" ? 'true' : 'false' %]
 
-  keydb-server.service:
+  [% database.key_value.flavor %]-server.service:
     enabled: [% redis.enable == "yes" ? 'true' : 'false' %]
     running: [% redis.enable == "yes" ? 'true' : 'false' %]