kimai: Add argspec, sane defaults, upgrade if requested, fixes

roles/kimai/meta/argument_specs.yaml

@@ -0,0 +1,46 @@
+---
+argument_specs:
+  main:
+    description: Installs kimai if not already installed system-wide
+    options:
+      kimai_installdir:
+        description: Directory to install kimai in
+        type: str
+        required: true
+      kimai_webroot:
+        description: Directory of kimai webroot
+        type: str
+        required: true
+
+      kimai_db:
+        description: Kimai mysql database name
+        type: str
+        required: true
+      kimai_db_user:
+        description: Kimai mysql database user. Defaults to database name.
+        type: str
+        required: false
+      kimai_db_pw:
+        description: Kimai mysql database password
+        type: str
+        required: true
+      kimai_db_host:
+        description: Kimai mysql database host
+        type: str
+        required: false
+        default: localhost
+      kimai_db_server_version:
+        description: Kimai mysql server version. You can check this with `mysql --version`.
+        type: str
+        required: true
+
+      kimai_php_executable:
+        description: Php executable to use for kimai install scripts
+        type: str
+        required: false
+        default: php
+      kimai_upgrade:
+        description: Whether to upgrade kimai to the latest version if already installed
+        type: bool
+        required: false
+        default: false