Move pod-database to use zfs datasets

playbooks/filesystem/yggdrasil/var/lib/yggdrasil/home/pod-database/.config/systemd/user/container-database-postgres.service.j2

@@ -11,7 +11,7 @@ Environment=PODMAN_SYSTEMD_UNIT=%n
 Restart=on-failure
 TimeoutStopSec=70
 ExecStartPre=/bin/rm -f %t/container-database-postgres.pid %t/container-database-postgres.ctr-id
-ExecStart=/usr/bin/podman run --conmon-pidfile %t/container-database-postgres.pid --cidfile %t/container-database-postgres.ctr-id --cgroups=no-conmon --pod-id-file %t/pod-database.pod-id --replace --label "io.containers.autoupdate=image" -dt -v /var/lib/yggdrasil/valkyrie-resolv.conf:/etc/resolv.conf:ro -v ./.config/pod-database/database.password:/run/secrets/database.password:ro -e POSTGRES_PASSWORD_FILE=/run/secrets/database.password -v var_lib_postgresql-waldir:/var/lib/postgresql-waldir -e POSTGRES_INITDB_WALDIR=/var/lib/postgresql-waldir -v /var/lib/yggdrasil/data/pod-database-data:/var/lib/postgresql/data -e PGDATA=/var/lib/postgresql/data/pgdata --name=pod-database-postgres docker.io/library/postgres:15.0
+ExecStart=/usr/bin/podman run --conmon-pidfile %t/container-database-postgres.pid --cidfile %t/container-database-postgres.ctr-id --cgroups=no-conmon --pod-id-file %t/pod-database.pod-id --replace --label "io.containers.autoupdate=image" -dt -v /var/lib/yggdrasil/valkyrie-resolv.conf:/etc/resolv.conf:ro -v ./.config/pod-database/database.password:/run/secrets/database.password:ro -e POSTGRES_PASSWORD_FILE=/run/secrets/database.password -v /var/lib/yggdrasil/data/pod-database/wal:/var/lib/postgresql-wal -e POSTGRES_INITDB_WALDIR=/var/lib/postgresql-wal/waldir -v /var/lib/yggdrasil/data/pod-database/data:/var/lib/postgresql/data -e PGDATA=/var/lib/postgresql/data/pgdata --name=pod-database-postgres docker.io/library/postgres:15.0
 ExecStop=/usr/bin/podman stop --ignore --cidfile %t/container-database-postgres.ctr-id -t 10
 ExecStopPost=/usr/bin/podman rm --ignore -f --cidfile %t/container-database-postgres.ctr-id
 PIDFile=%t/container-database-postgres.pid

playbooks/tasks/services/deploy/service/01-user.d/data/database.yml

@@ -6,9 +6,17 @@
     group: "{{ service_user_name }}"
     mode: 0755
 
-- name: Create data directory for user {{ service_user_name }}
+- name: Create wal directory for user {{ service_user_name }}
   file:
-    path: "/var/lib/{{ ansible_hostname }}/data/{{ service_user_name }}-data"
+    path: "/var/lib/{{ ansible_hostname }}/data/{{ service_user_name }}/wal"
+    state: directory
+    owner: "{{ service_user_name }}"
+    group: "{{ service_user_name }}"
+    mode: 0755
+
+- name: Create data directory for user {{ service_user_name }}
+  file:
+    path: "/var/lib/{{ ansible_hostname }}/data/{{ service_user_name }}/data"
     state: directory
     owner: "{{ service_user_name }}"
     group: "{{ service_user_name }}"

playbooks/tasks/services/deploy/service/01-zfs-datasets.d/database.yml

@@ -1,13 +1,20 @@
-- name: Create volume data dataset for user {{ service_user_name }}
+- name: Create data dataset for user {{ service_user_name }}
   zfs:
     name: rpool/var/lib/{{ ansible_hostname }}/data/{{ service_user_name }}
     state: present
+    extra_zfs_properties:
+      canmount: "off"
+
+- name: Create wal dataset for user {{ service_user_name }}
+  zfs:
+    name: rpool/var/lib/{{ ansible_hostname }}/data/{{ service_user_name }}/wal
+    state: present
     extra_zfs_properties:
       recordsize: "8K"
 
 - name: Create data dataset for user {{ service_user_name }}
   zfs:
-    name: rpool/var/lib/{{ ansible_hostname }}/data/{{ service_user_name }}-data
+    name: rpool/var/lib/{{ ansible_hostname }}/data/{{ service_user_name }}/data
     state: present
     extra_zfs_properties:
       recordsize: "8K"