Add a hopefully functional implementation

Time to test

tasks/main.yml

@@ -16,5 +16,36 @@
   block:
     - name: assure server directory
       file: path={{ terraria_home }}/{{ terraria_name }} state=directory
+    - name: download server zip
+      get_url: url={{ terraria_downloadurl }} dest={{ terraria_home }}/{{ terraria_name }}/server.zip
+      register: download_server
+    - name: install server
+      block:
+        - name: assure server unzip directory
+          file: path={{ terraria_home }}/{{ terraria_name }}/server state=directory
+        - name: unpack zip
+          unarchive: src={{ terraria_home }}/{{ terraria_name }}/server.zip dest={{ terraria_home }}/{{ terraria_name }}/server remote_src=yes
+        - name: template out installer
+          template: src=install-server.sh dest={{ terraria_home }}/{{ terraria_name }}/install-server.sh
+        - name: run installer
+          command:
+            chdir: "{{ terraria_home }}/{{ terraria_name }}"
+            argv: [ "bash", "./install-server.sh" ]
+          notify: "restart terraria {{ terraria_name }}"
+      when: download_server is changed
+    - name: configure server settings
+      lineinfile:
+        dest: "{{ terraria_home }}/{{ terraria_name }}/config"
+        line: "{{ item.key }}={{ item.value }}"
+        regex: "^{{ item.key }}=.*"
+        create: yes
+      with_dict: "{{ terraria_config_default | combine(terraria_config) }}"
+      notify: "restart terraria {{ terraria_name }}
   become: yes
   become_user: terraria
+- name: enable service
+  systemd: name=terraria@{{ terraria_name }}.service enabled=yes state=started
+  when: terraria_enabled
+- name: disable service
+  systemd: name=terraria@{{ terraria_name }}.service enabled=no state=stopped
+  when: not terraria_enabled