Add working provisioning and configuration for MS SQL data warehouse

configuration/ansible_mssql/roles/db_restore/tasks/main.yml

@@ -0,0 +1,67 @@
+---
+- name: Find sqlcmd.exe
+  ansible.windows.win_powershell:
+    script: |
+      $sqlcmd = Get-ChildItem 'C:\Program Files\Microsoft SQL Server' -Filter 'sqlcmd.exe' `
+                  -Recurse -ErrorAction SilentlyContinue |
+                Where-Object { $_.FullName -notlike '*\x86\*' } |
+                Sort-Object LastWriteTime -Descending |
+                Select-Object -First 1 -ExpandProperty FullName
+      if (-not $sqlcmd) { throw 'sqlcmd.exe not found' }
+      $Ansible.Result = $sqlcmd
+      $Ansible.Changed = $false
+  register: sqlcmd_path
+
+- name: Download database backups
+  ansible.windows.win_get_url:
+    url: "{{ item.url }}"
+    dest: "{{ db_backup_dir }}\\{{ item.filename }}"
+  loop: "{{ db_backups }}"
+
+- name: Restore databases
+  ansible.windows.win_powershell:
+    script: |
+      $ErrorActionPreference = 'Stop'
+
+      $sqlcmd  = '{{ sqlcmd_path.result }}'
+      $bakFile = '{{ db_backup_dir }}\{{ item.filename }}'
+      $dbName  = '{{ item.name }}'
+
+      # Idempotent: skip if database already exists
+      $exists = (& $sqlcmd -S . -E -h -1 `
+                   -Q "SET NOCOUNT ON; SELECT name FROM sys.databases WHERE name = N'$dbName'" |
+                 Out-String).Trim()
+      if ($exists -eq $dbName) {
+        Write-Output "$dbName already exists — skipping restore."
+        $Ansible.Changed = $false
+        return
+      }
+
+      # Get logical file list from the backup
+      $raw = & $sqlcmd -S . -E -s "|" -W `
+               -Q "RESTORE FILELISTONLY FROM DISK = N'$bakFile'"
+
+      $files = $raw | Select-Object -Skip 2 | Where-Object { $_ -match '\|' } | ForEach-Object {
+        $cols = $_ -split '\|'
+        [PSCustomObject]@{
+          LogicalName  = $cols[0].Trim()
+          PhysicalName = $cols[1].Trim()
+          FileType     = $cols[2].Trim()   # D = data, L = log
+        }
+      }
+
+      # Build MOVE clauses — keep original filename, redirect to correct partition
+      $moves = $files | ForEach-Object {
+        $dir  = if ($_.FileType -eq 'L') { '{{ db_log_dir }}' } else { '{{ db_data_dir }}' }
+        $file = [System.IO.Path]::GetFileName($_.PhysicalName)
+        "MOVE N'$($_.LogicalName)' TO N'$dir\$file'"
+      }
+
+      $sql = "RESTORE DATABASE [$dbName] FROM DISK = N'$bakFile' WITH $($moves -join ', '), REPLACE, STATS = 10"
+      Write-Output "Restoring $dbName ..."
+      & $sqlcmd -S . -E -Q $sql -t 3600
+      if ($LASTEXITCODE -ne 0) { throw "RESTORE failed with exit code $LASTEXITCODE" }
+  loop: "{{ db_backups }}"
+  loop_control:
+    label: "{{ item.name }}"
+  timeout: 7200