Initial commit

ansible/roles/linstor_ha/tasks/main.yml

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+---
+# tasks file for linstor_ha
+
+# ---------------------------------------------------------
+# STEP 1: CREATE HA RESOURCES (Executed ONLY on Node 1)
+# ---------------------------------------------------------
+- name: Create HA Resource Group and Spawn Database Volume
+  ansible.builtin.shell: |
+    set -o pipefail
+    if ! linstor resource-group list | grep -q " linstor-db-grp "; then
+      linstor resource-group create --storage-pool "{{ ha_pool }}" --place-count 3 --diskless-on-remaining true linstor-db-grp > /dev/null
+      linstor resource-group drbd-options --auto-promote=no --quorum=majority \
+      --on-suspended-primary-outdated=force-secondary --on-no-quorum=io-error --on-no-data-accessible=io-error linstor-db-grp > /dev/null
+      linstor volume-group create linstor-db-grp > /dev/null
+      linstor resource-group spawn-resources linstor-db-grp linstor_db 200M > /dev/null
+      echo "changed"
+    fi
+  args:
+    executable: /bin/bash
+  register: linstor_ha_rg_create
+  changed_when: "'changed' in linstor_ha_rg_create.stdout"
+  when: inventory_hostname == groups['proxmox'][0]
+
+- name: Wait for DRBD block device to appear locally
+  ansible.builtin.wait_for:
+    path: /dev/drbd/by-res/linstor_db/0
+    state: present
+    timeout: 60
+  when: inventory_hostname == groups['proxmox'][0]
+
+# ---------------------------------------------------------
+# STEP 2: PREPARE ALL NODES
+# ---------------------------------------------------------
+- name: Install resource-agents
+  ansible.builtin.apt:
+    name: resource-agents
+    state: present
+
+- name: Ensure local Linstor Controller is stopped and disabled
+  ansible.builtin.systemd:
+    name: linstor-controller
+    enabled: false
+    state: stopped
+
+- name: Deploy var-lib-linstor.mount unit
+  ansible.builtin.copy:
+    dest: /etc/systemd/system/var-lib-linstor.mount
+    content: |
+      [Unit]
+      Description=Filesystem for the LINSTOR controller
+
+      [Mount]
+      What=/dev/drbd/by-res/linstor_db/0
+      Where=/var/lib/linstor
+    mode: '0644'
+
+- name: Ensure drbd-reactor directory exists
+  ansible.builtin.file:
+    path: /etc/drbd-reactor.d
+    state: directory
+    mode: '0755'
+
+- name: Deploy DRBD Reactor TOML config
+  ansible.builtin.template:
+    src: linstor_db.toml.j2
+    dest: /etc/drbd-reactor.d/linstor_db.toml
+    mode: '0644'
+
+# Notice how the stat task is gone, replaced by 'creates' and 'removes'
+- name: Move existing local database to .orig safely
+  ansible.builtin.command: mv /var/lib/linstor /var/lib/linstor.orig
+  args:
+    creates: /var/lib/linstor.orig
+    removes: /var/lib/linstor
+
+- name: Create empty mount point and set immutable flag (+i)
+  ansible.builtin.file:
+    path: /var/lib/linstor
+    state: directory
+    mode: '0755'
+    attributes: '+i'
+
+- name: Ensure Satellite Override directory exists
+  ansible.builtin.file:
+    path: /etc/systemd/system/linstor-satellite.service.d
+    state: directory
+    mode: '0755'
+
+- name: Deploy Satellite Keep-Resource Override
+  ansible.builtin.copy:
+    dest: /etc/systemd/system/linstor-satellite.service.d/override.conf
+    content: |
+      [Service]
+      Environment=LS_KEEP_RES=linstor_db
+    mode: '0644'
+
+- name: Reload daemon and restart Satellite
+  ansible.builtin.systemd:
+    daemon_reload: true
+    name: linstor-satellite
+    state: restarted
+
+# ---------------------------------------------------------
+# STEP 3: FORMAT & MIGRATE DB (Executed ONLY on Node 1)
+# ---------------------------------------------------------
+- name: Format HA Volume and Migrate Database
+  ansible.builtin.shell: |
+    set -o pipefail
+    if ! blkid /dev/drbd/by-res/linstor_db/0 | grep -q "ext4"; then
+      drbdadm primary linstor_db
+      mkfs.ext4 /dev/drbd/by-res/linstor_db/0 > /dev/null
+
+      chattr -i /var/lib/linstor
+      mount /dev/drbd/by-res/linstor_db/0 /var/lib/linstor
+      cp -a /var/lib/linstor.orig/* /var/lib/linstor/
+      umount /var/lib/linstor
+      chattr +i /var/lib/linstor
+      drbdadm secondary linstor_db
+      echo "changed"
+    fi
+  args:
+    executable: /bin/bash
+  register: linstor_ha_migrate
+  changed_when: "'changed' in linstor_ha_migrate.stdout"
+  when: inventory_hostname == groups['proxmox'][0]
+
+# ---------------------------------------------------------
+# STEP 4: ACTIVATE HA REACTOR
+# ---------------------------------------------------------
+- name: Enable and start DRBD Reactor
+  ansible.builtin.systemd:
+    name: drbd-reactor
+    enabled: true
+    state: started