Add optional sentry integration

ip_listener/__init__.py

@@ -1,7 +1,39 @@
+import os
+import subprocess
+
 from pathlib import Path
 
 from dotenv import load_dotenv
 
+
 env_path = Path("..") / ".env"
 
 load_dotenv(dotenv_path=env_path)
+
+
+def get_current_version():
+    if "VERSION" in os.environ:
+        return os.environ["VERSION"]
+
+    try:
+        output = subprocess.check_output(
+            ["git", "describe", "--tags"], universal_newlines=True
+        )
+        return output.strip()
+    except (subprocess.CalledProcessError, OSError):
+        return ""
+
+
+VERSION = get_current_version()
+
+# Optionally use sentry integration
+try:
+    from sentry_sdk import init as sentry_init
+
+    sentry_init(
+        dsn=os.environ.get("SENTRY_DSN"),
+        send_default_pii=False,
+        release=VERSION,
+    )
+except ImportError:
+    pass