Set up database replication without pacemaker

TODO:
Add mssql_ha_reset_cert
Add idempotency to all templates

defaults/main.yml

@@ -14,6 +14,8 @@ mssql_enable_sql_agent: null
 mssql_install_fts: null
 mssql_install_powershell: null
 mssql_enable_ha: null
+mssql_ha_configure: false
+mssql_ha_reset_cert: false
 mssql_tune_for_fua_storage: null
 mssql_tls_enable: null
 mssql_tls_cert: null

handlers/main.yml

@@ -4,3 +4,5 @@
   service:
     name: mssql-server
     state: restarted
+  when: not (__mssql_primary_restarted is changed or
+    __mssql_replica_restarted is changed)

tasks/input_sql_file.yml

@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: MIT
+# This task files inputs sql file into MSSQL.
+# If you feed a file with .j2 extension, it generates a template from it.
+# If you feed a file with other extension, it just copies the file and runs it.
+---
+- name: Verify that the mssql_password variable is defined
+  assert:
+    that:
+      - mssql_password is not none
+    fail_msg: >-
+      You must define the mssql_password variable because MSSQL requires
+      the sa user to authenticate to input SQL files.
+
+- name: Input {{ __mssql_input_sql_file }} to MSSQL
+  block:
+    # changed_when: false for idempotency because the file is always removed
+    - name: Create a tempfile for the SQL file on the host
+      tempfile:
+        state: file
+      register: __mssql_sql_tempfile
+      changed_when: false
+
+    # changed_when: false for idempotency because the file is always removed
+    - name: Copy the {{ __mssql_input_sql_file }} file to the host
+      copy:
+        src: "{{ __mssql_input_sql_file }}"
+        dest: "{{ __mssql_sql_tempfile.path }}"
+        mode: preserve
+      when: __mssql_input_sql_file is not search(".*\.j2")
+      changed_when: false
+
+    # changed_when: false for idempotency because the file is always removed
+    - name: Generate the {{ __mssql_input_sql_file }} template on the host
+      template:
+        src: "{{ __mssql_input_sql_file }}"
+        dest: "{{ __mssql_sql_tempfile.path }}"
+      when: __mssql_input_sql_file is search(".*\.j2")
+      changed_when: false
+
+    - name: Ensure that the mssql-server service is started
+      service:
+        name: mssql-server
+        state: started
+
+    - name: Prepare MSSQL and facts for logging in
+      include_tasks: verify_password.yml
+      vars:
+        __mssql_password: "{{ mssql_password }}"
+      when: __mssql_sqlcmd_login_cmd is none
+
+    - name: Input {{ __mssql_input_sql_file }} with the sqlcmd command
+      command: >-
+        {{ __mssql_sqlcmd_login_cmd }} -i {{ __mssql_sql_tempfile.path }} -b
+      register: __mssql_sqlcmd_input_file
+      changed_when: '"successfully" in __mssql_sqlcmd_input_file.stdout'
+
+  always:
+    - name: Print the output of the sqlcmd command if not empty
+      debug:
+        var: __mssql_sqlcmd_input_file.stdout_lines
+      changed_when: false
+
+    - name: Unset the __mssql_sqlcmd_input_file variable
+      set_fact:
+        __mssql_sqlcmd_input_file: ""
+
+          #- name: Remove the tempfile
+          #  file:
+          #    path: "{{ __mssql_sql_tempfile.path }}"
+          #    state: absent