Optimized TELEGRAM_BOT implementation

roles/sys-ctl-alm-compose/vars/main.yml

@@ -1,7 +1,15 @@
 system_service_id: sys-ctl-alm-compose@
 
-SYSTEMCTL_ALARM_COMPOSER_SUBSERVICES:
-  - 'sys-ctl-alm-email'
-  - 'sys-ctl-alm-telegram'
+SYSTEMCTL_ALARM_COMPOSER_SUBSERVICES: >-
+  {{
+    ['sys-ctl-alm-email']
+    +
+    (
+      ['sys-ctl-alm-telegram']
+      if (TELEGRAM_BOT_TOKEN | default('') | trim != '')
+         and (TELEGRAM_CHAT_ID  | default('') | trim != '')
+      else []
+    )
+  }}
 
 SYSTEMCTL_ALARM_COMPOSER_DUMMY_MESSAGE: "[Info] Dummy Message: No Failure; Ansible is initializing {{ SOFTWARE_NAME }} on {{ inventory_hostname }}."

roles/sys-ctl-alm-telegram/defaults/main.yml

@@ -1,2 +1,2 @@
-telegram_bot_token: ''  # The token of your telegram bot
-telegram_chat_id: ''    # The id of your telegram chat 
+TELEGRAM_BOT_TOKEN: ''  # The token of your telegram bot
+TELEGRAM_CHAT_ID: ''    # The id of your telegram chat 

roles/sys-ctl-alm-telegram/tasks/01_core.yml

@@ -1,13 +1,13 @@
 - name: Fail if Telegram bot credentials are not set
   assert:
     that:
-    - telegram_bot_token != ""
-    - telegram_chat_id != ""
+    - TELEGRAM_BOT_TOKEN != ""
+    - TELEGRAM_CHAT_ID != ""
     fail_msg: |
       Telegram configuration is incomplete!
       Please provide non‑empty values for:
-        - telegram_bot_token   # Your Telegram bot’s API token
-        - telegram_chat_id     # The Telegram chat ID to send messages to
+        - TELEGRAM_BOT_TOKEN   # Your Telegram bot’s API token
+        - TELEGRAM_CHAT_ID     # The Telegram chat ID to send messages to
   when: MODE_ASSERT | bool
 
 - include_role:

roles/sys-ctl-alm-telegram/templates/script.sh.j2

@@ -13,6 +13,6 @@ fi
 
 # send the Telegram message
 /usr/bin/curl -s -X POST \
-  "https://api.telegram.org/bot{{ telegram_bot_token }}/sendMessage" \
-  -d chat_id="{{ telegram_chat_id }}" \
+  "https://api.telegram.org/bot{{ TELEGRAM_BOT_TOKEN }}/sendMessage" \
+  -d chat_id="{{ TELEGRAM_CHAT_ID }}" \
   --data-urlencode text="service ${friendly//\//-} on ${host} failed"