Ansible task to query and output Oracle DBID after creation

config-db.yml

@@ -93,3 +93,14 @@
         tasks_from: dg_mode
       when: cluster_type == "DG"
       tags: dg-create,dg-mode
+
+- name: Get and Log Oracle DBID
+  hosts: dbasm
+  remote_user: "{{ oracle_user }}"
+  become: true
+  become_user: oracle
+  tasks:
+    - name: Include DBID logging role for current database instance
+      include_role:
+        name: dbid-logger
+      tags: log-dbid

config-rac-db.yml

@@ -43,3 +43,14 @@
         loop_var: role_item
       when: create_db | bool
   tags: rac-db-adjustments,rac-db-backups,rac-validation-scripts
+
+- name: Get and Log Oracle DBID
+  hosts: dbasm
+  remote_user: "{{ oracle_user }}"
+  become: true
+  become_user: oracle
+  tasks:
+    - name: Include DBID logging role for current database instance
+      include_role:
+        name: dbid-logger
+      tags: log-dbid

roles/dbid-logger/meta/main.yml

@@ -0,0 +1,17 @@
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+dependencies:
+  - role: common

roles/dbid-logger/tasks/main.yml

@@ -0,0 +1,38 @@
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+---
+- name: Execute SQL query to get DBID
+  ansible.builtin.shell: |
+    set -o pipefail
+    sqlplus -s / as sysdba <<EOF
+    SELECT dbid FROM v\$database;
+    EXIT;
+    EOF
+  environment:
+    ORACLE_HOME: "{{ oracle_home }}"
+    ORACLE_SID: "{{ oracle_sid }}"
+    PATH: "{{ oracle_home }}/bin:{{ ansible_env.PATH }}"
+  register: dbid_query_result
+  changed_when: false
+  failed_when: "'ORA-' in dbid_query_result.stderr"
+
+- name: Extract DBID from query result
+  ansible.builtin.set_fact:
+    oracle_dbid: "{{ dbid_query_result.stdout_lines | select('match', '^\\d+$') | first | default('') | trim }}"
+
+- name: Output DBID
+  ansible.builtin.debug:
+    msg: "ORACLE_DBID: {{ oracle_dbid }}"
+  when: oracle_dbid is defined and oracle_dbid | length > 0