Enhance configuration checks to support IBM DB2 alongside SAP HANA, updating relevant documentation and playbook tasks for clarity and functionality.

Author: devanshjainms

docs/CONFIGURATION_CHECKS.md

@@ -29,17 +29,17 @@ Configuration validation serves as a critical quality gate in the SAP deployment
 - Storage account redundancy settings
 - Disk caching policies
 
-**SAP HANA Configuration**
-- Memory allocation
-- System replication parameters
+**SAP Database Configuration**
+- SAP HANA: Memory allocation, system replication parameters
+- IBM DB2: Hardware requirements, system language, OS tuning parameters
 
-**Pacemaker Cluster**
+**Pacemaker Cluster (HANA only)**
 - Resource agent versions and parameters
 - Fencing (STONITH) configuration
 - Resource constraints and colocation rules
 - Cluster communication settings
 
-**SAP HA Resources**
+**SAP HA Resources (HANA only)**
 - Virtual hostname configuration
 - File system mount options
 - Service startup ordering
@@ -56,6 +56,8 @@ Update the `TEST_TYPE` parameter in [`vars.yaml`](./../vars.yaml) file to `Confi
 
 Follow the steps (2.1 - 2.2) in [Setup Guide for SAP Testing Automation Framework](./SETUP.MD#2-system-configuration) to configure your system details.
 
+> **Note**: High Availability (HA) configuration checks and functional tests are currently supported only for SAP HANA databases. For IBM DB2 databases, only non-HA configuration checks are available.
+
 
 ### 3. Test Execution
 
@@ -71,7 +73,7 @@ To execute the script, run following command:
 # Run checks with verbose logging
 ./scripts/sap_automation_qa.sh -vv
 
-# Run only Database (HANA) configuration checks
+# Run only Database configuration checks (supports both HANA and DB2)
 ./scripts/sap_automation_qa.sh --extra-vars='{"configuration_test_type":"Database"}'
 
 # Run only ASCS/ERS configuration checks

src/modules/configuration_check_module.py

@@ -875,7 +875,7 @@ def run(self):
                 context["hostname"] = custom_hostname
 
             self.set_context(context)
-            if self.context.get("check_type", {}).get("file_name") == "hana":
+            if self.context.get("check_type", {}).get("file_name") in ["hana", "db2"]:
                 temp_context = FileSystemCollector(parent=self).collect(
                     check=None, context=self.context
                 )

src/playbook_00_configuration_checks.yml

@@ -106,7 +106,7 @@
       loop_control:
         loop_var:                       check_type
 
-    - name:                             "Run role-specific checks for DB hosts"
+    - name:                             "Run role-specific checks for HANA DB hosts"
       ansible.builtin.include_tasks:
         file:                           "./roles/configuration_checks/tasks/main.yml"
       vars:
@@ -117,18 +117,44 @@
           results_var:                  "db_hana_results"
       when:                             >-
                                         role == 'DB' and
+                                        (platform | default('HANA') | upper == 'HANA') and
                                         (configuration_test_type == 'all' or
                                           configuration_test_type == 'Database')
 
-    - name:                             "Debug DB checks execution"
+    - name:                             "Debug HANA checks execution"
       ansible.builtin.debug:
         msg:                            "Executing Database (HANA) checks on host {{ inventory_hostname }}"
       when:                             >-
                                         role == 'DB' and
+                                        (platform | default('HANA') | upper == 'HANA') and
                                         (configuration_test_type == 'all' or
                                          configuration_test_type == 'Database')
 
-    - name:                             "Run HA configuration checks for DB hosts"
+    - name:                             "Run role-specific checks for DB2 DB hosts"
+      ansible.builtin.include_tasks:
+        file:                           "./roles/configuration_checks/tasks/main.yml"
+      vars:
+        check_type:
+          name:                         "Database (DB2) Checks"
+          file_name:                    "db2"
+          checks_var:                   "db_db2_checks"
+          results_var:                  "db_db2_results"
+      when:                             >-
+                                        role == 'DB' and
+                                        (platform | default('HANA') | upper == 'DB2') and
+                                        (configuration_test_type == 'all' or
+                                          configuration_test_type == 'Database')
+
+    - name:                             "Debug DB2 checks execution"
+      ansible.builtin.debug:
+        msg:                            "Executing Database (DB2) checks on host {{ inventory_hostname }}"
+      when:                             >-
+                                        role == 'DB' and
+                                        (platform | default('HANA') | upper == 'DB2') and
+                                        (configuration_test_type == 'all' or
+                                         configuration_test_type == 'Database')
+
+    - name:                             "Run HA configuration checks for HANA DB hosts"
       ansible.builtin.include_tasks:
         file:                           "./roles/configuration_checks/tasks/main.yml"
       vars:
@@ -138,9 +164,10 @@
           checks_var:                   "db_ha_config_checks"
           results_var:                  "db_ha_config_results"
       when:
-                                        - role == 'DB' and
+                                        - role == 'DB'
+                                        - (platform | default('HANA') | upper == 'HANA')
                                         - database_high_availability | default(false) | bool
-                                        - configuration_test_type == 'all' or configuration_test_type == 'Database')
+                                        - (configuration_test_type == 'all' or configuration_test_type == 'Database')
 
     - name:                             "Run role-specific checks for ASCS/SCS hosts"
       ansible.builtin.include_tasks:
@@ -297,6 +324,18 @@
       loop:                             "{{ groups[sap_sid | upper + '_DB']|default([]) }}"
       when:                             hostvars[item].db_hana_results is defined
 
+    - name:                             "Collect DB (DB2) check results"
+      ansible.builtin.set_fact:
+        all_results:                    "{{ all_results + hostvars[item].db_db2_results
+                                            | default([]) }}"
+        execution_metadata:             "{{ execution_metadata + [
+                                          {'host': item,
+                                          'check_type': 'db_db2',
+                                          'metadata': hostvars[item].db_db2_results_metadata
+                                          | default({})}] }}"
+      loop:                             "{{ groups[sap_sid | upper + '_DB']|default([]) }}"
+      when:                             hostvars[item].db_db2_results is defined
+
     - name:                             "Collect DB HA configuration check results"
       ansible.builtin.set_fact:
         all_results:                    "{{ all_results + hostvars[item].db_ha_config_results