feat: SLES15 enablement, HAE detection

README.md

@@ -8,7 +8,7 @@ An Ansible role for managing High Availability Clustering.
 
 * Compatible OS
   * RHEL 8.3+, Fedora 31+
-  * SLES 15 SP4+ with HA extension, SLES4SAP 15 SP4+
+  * SLES 15 SP5+ with HA extension, SLES4SAP 15 SP5+
 * Systems running RHEL are expected to be registered and have High-Availability
   repositories accessible, and ResilientStorage repositories accessible if using
   `ha_cluster_enable_repos_resilient_storage`

tasks/main.yml

@@ -8,6 +8,9 @@
   when:
     - ha_cluster_enable_repos
 
+- name: Check and prepare role variables
+  include_tasks: shell_{{ ha_cluster_pacemaker_shell }}/check-and-prepare-role-variables.yml  # yamllint disable-line rule:line-length
+
 - name: Install role essential packages
   package:
     name: "{{
@@ -18,9 +21,6 @@
     use: "{{ (__ha_cluster_is_ostree | d(false)) |
              ternary('ansible.posix.rhel_rpm_ostree', omit) }}"
 
-- name: Check and prepare role variables
-  include_tasks: shell_{{ ha_cluster_pacemaker_shell }}/check-and-prepare-role-variables.yml  # yamllint disable-line rule:line-length
-
 # The user is created by installing pacemaker packages. We just need to set the
 # password.
 - name: Set hacluster password

tasks/shell_crmsh/check-and-prepare-role-variables.yml

@@ -2,6 +2,30 @@
 ---
 - name: Check cluster configuration variables
   block:
+    # High Availability Extension is required for cluster setup as well
+    # as qnetd/qdevice configuration.
+    - name: Gather package facts
+      ansible.builtin.package_facts:
+        manager: auto
+
+    - name: Check High Availability Extension presence using product file
+      ansible.builtin.stat:
+        path: /etc/products.d/sle-ha.prod
+      register: __ha_cluster_ha_ext_stat
+
+    # Registering HA Extension creates file /etc/products.d/sle-ha.prod and
+    # installs rpm sle-ha-release. Cluster software is not installed.
+    - name: Assert that High Availability Extension is present
+      ansible.builtin.assert:
+        that:
+          - "'sle-ha-release' in ansible_facts.packages"
+          - __ha_cluster_ha_ext_stat.stat.exists
+        success_msg: "High Availability Extension was detected."
+        fail_msg: "High Availability Extension is not registered!
+          Register HA Extension before executing again."
+      # Fatal fail will occur if any of cluster nodes is missing HAE
+      any_errors_fatal: true
+
     - name: Fail if passwords are not specified
       ansible.builtin.fail:
         msg: "{{ item }} must be specified"
@@ -59,20 +83,6 @@
       loop: "{{ ha_cluster_stonith_levels }}"
       run_once: true
 
-- name: Collect service information
-  ansible.builtin.service_facts:
-
-- name: Assert that required services are available
-  ansible.builtin.assert:
-    that: "'{{ item }}' in ansible_facts.services"
-    fail_msg: >-
-      The service '{{ item }}' was not found on this system. Ensure that this
-      service is available before running this role.
-    success_msg: >-
-      The service '{{ item }}' was discovered on this system.
-  loop:
-    - 'logd.service'
-
 - name: Discover cluster node names
   ansible.builtin.set_fact:
     __ha_cluster_node_name: "{{ ha_cluster.node_name | d(inventory_hostname) }}"

tasks/shell_crmsh/cluster-destroy-crm.yml

@@ -15,6 +15,10 @@
     selectattr('stat.exists', 'equalto', false) | list | length > 0
   changed_when: true
 
+- name: Populate service facts
+  ansible.builtin.service_facts:
+
+# Conditional added to skip qdevice in case qdevice was not configured
 - name: Stop cluster daemons
   ansible.builtin.service:
     name: "{{ item }}"
@@ -23,6 +27,7 @@
     - pacemaker
     - corosync
     - corosync-qdevice
+  when: item in ansible_facts.services
 
 - name: Backup configuration files by renaming to _backup
   ansible.builtin.copy:

tasks/shell_crmsh/cluster-setup-corosync.yml

@@ -13,6 +13,13 @@
   check_mode: false
   changed_when: not ansible_check_mode
 
+# Gather facts for corosync template creation
+- name: Gather facts for corosync template
+  ansible.builtin.setup:
+    filter:
+      - eth0
+      - eth1
+
 - name: Generate corosync.conf using template
   ansible.builtin.template:
     src: crmsh_corosync.j2

vars/Suse.yml

@@ -5,6 +5,8 @@ ha_cluster_pacemaker_shell: crmsh
 # Placeholder with pcs name
 __ha_cluster_pcs_provider: crm
 
+# ClusterTools2 removed because it is SLES4SAP specific
+# patterns-ha-ha_sles requires SLES 15 SP5+ or SLES4SAP 15
 __ha_cluster_role_essential_packages:
   - 'pacemaker'
   - 'corosync'
@@ -16,11 +18,13 @@ __ha_cluster_role_essential_packages:
   - 'cluster-glue'
   - 'socat'
   - 'libxml2-tools'
-  - 'ClusterTools2'
   - 'rsyslog'
 
 __ha_cluster_fullstack_node_packages: []
 
+__ha_cluster_qdevice_node_packages:
+  - corosync-qdevice
+
 __ha_cluster_sbd_packages:
   - sbd
   - open-iscsi