Add an alternate plain text message template

bot.py

@@ -19,7 +19,19 @@ class Config:
     webhook_token: str
 
 
-TEMPLATE = (
+TEMPLATE_TEXT = (
+    "{% if status == 'resolved' %}"
+    "RÉSOLU "
+    "{% elif labels.severity == 'critical' %}"
+    "@room CRITIQUE "
+    "{% elif labels.severity == 'warning' %}"
+    "ATTENTION "
+    "{% endif %}"
+    "{{ labels.alertname }} {{ labels.instance }}\n"
+    "{{ annotations.summary }}"
+)
+
+TEMPLATE_HTML = (
     "{% if status == 'resolved' %}"
     "<b><font color='green'>RÉSOLU</font></b> "
     "{% elif labels.severity == 'critical' %}"
@@ -35,14 +47,20 @@ TEMPLATE = (
 
 async def format_messages(config, src, dest):
     env = jinja2.Environment()
-    template = env.from_string(TEMPLATE)
+
+    template_text = env.from_string(TEMPLATE_TEXT)
+    template_html = env.from_string(TEMPLATE_HTML)
 
     while True:
         message = await src.get()
 
         for alert in message["alerts"]:
-            rendered = template.render(**alert)
-            await dest.put((rendered))
+            await dest.put(
+                (
+                    template_text.render(**alert),
+                    template_html.render(**alert),
+                )
+            )
 
 
 async def send_notices(config, messages):
@@ -50,7 +68,7 @@ async def send_notices(config, messages):
     await client.login(config.matrix_password)
 
     while True:
-        formatted = await messages.get()
+        text, html = await messages.get()
 
         await client.room_send(
             config.matrix_room,
@@ -58,8 +76,8 @@ async def send_notices(config, messages):
             content={
                 "msgtype": "m.text",
                 "format": "org.matrix.custom.html",
-                "body": formatted,  # à corriger
-                "formatted_body": formatted,
+                "body": text,
+                "formatted_body": html,
             },
         )