Add new task to create symlink to nats-server binary

Based on add_nats_to_path variable (defaults to true).

Modified default service states (service isn't started and enabled by default anymore).

data/ansible/roles/nats/defaults/main.yaml

@@ -3,5 +3,6 @@ nats_version: 2.9.17
 nats_install_dir: /opt/nats
 nats_user: nats
 nats_group: nats
-service_enabled: true
-service_state: started
+service_enabled: false
+service_state: stopped
+add_nats_to_path: true

data/ansible/roles/nats/tasks/main.yaml

@@ -2,20 +2,20 @@
 - name: Create user and group for NATS
   become: yes
   block:
-  - group:
-      name: "{{ nats_group }}"
-      state: present
-  - user:
-      name: "{{ nats_user }}"
-      group: "{{ nats_group }}"
-      system: yes
-      state: present
+    - group:
+        name: "{{ nats_group }}"
+        state: present
+    - user:
+        name: "{{ nats_user }}"
+        group: "{{ nats_group }}"
+        system: yes
+        state: present
 
 - name: Download NATS server
   get_url:
     url: "https://github.com/nats-io/nats-server/releases/download/v{{ nats_version }}/nats-server-v{{ nats_version }}-linux-amd64.tar.gz"
     dest: "/tmp/nats-server-v{{ nats_version }}-linux-amd64.tar.gz"
-    mode: '0755'
+    mode: "0755"
 
 - name: Create NATS install directory
   become: yes
@@ -47,3 +47,11 @@
     name: nats
     enabled: "{{ service_enabled }}"
     state: "{{ service_state }}"
+
+- name: Create a symlink in /usr/local/bin
+  become: yes
+  file:
+    src: "{{ nats_install_dir }}/nats-server-v{{ nats_version }}-linux-amd64/nats-server"
+    dest: /usr/local/bin/nats-server
+    state: link
+  when: add_nats_to_path