PLT-1224: Allow deploy alerts to go to a different channel

gitops_server/settings.py

@@ -12,5 +12,7 @@
 # The slack channel ID starts with C
 SLACK_CHANNEL_ID = os.environ.get("SLACK_CHANNEL_ID", "")
 
+SLACK_ALERT_CHANNEL_ID = os.environ.get("SLACK_ALERT_CHANNEL_ID", "")
+
 # How many parallel deploys can be done at once
 GITOPS_MAX_PARALLEL_DEPLOYS = os.environ.get("GITOPS_MAX_PARALLEL_DEPLOYS", "5")

gitops_server/utils/slack.py

@@ -27,11 +27,22 @@ def __str__(self) -> str:
         return f"<!subteam^{self.id}|{self.name}>"
 
 
+async def post_alert(message: str) -> str | None:
+    """
+    Post a message to a slack alert channel (if it's configured) or the default slack channel
+    """
+    return await post_to_channel(message, channel_id=settings.SLACK_ALERT_CHANNEL_ID or settings.SLACK_CHANNEL_ID)
+
+
 async def post(message: str) -> str | None:
     """Post a message to a slack channel"""
+    return await post_to_channel(message, channel_id=settings.SLACK_CHANNEL_ID)
+
+
+async def post_to_channel(message: str, channel_id: str | None) -> str | None:
     logger.info("POSTING TO SLACK")
-    if settings.SLACK_TOKEN and settings.SLACK_CHANNEL_ID:
-        response = client.chat_postMessage(channel=settings.SLACK_CHANNEL_ID, text=message)
+    if settings.SLACK_TOKEN and channel_id:
+        response = client.chat_postMessage(channel=channel_id, text=message)
         if response.status_code >= 300:
             logger.warning("Failed to post a message to slack (see below):")
             logger.error(f"{message}", exc_info=True)

gitops_server/workers/deployer/deploy.py

@@ -271,7 +271,7 @@ async def post_result(self, app: App, result: UpdateAppResult, deployer: "Deploy
                 deploy_result["slack_message"]
                 or f"Failed to deploy app `{result['app_name']}` for cluster `{settings.CLUSTER_NAME}`:\n>>>{result['output']}"
             )
-            await slack.post(message)
+            await slack.post_alert(message)
         else:
             self.successful_apps.add(app.name)
             await handle_successful_deploy(app, result, deployer)