Adds version information to the running exporter

Author: tlex

build.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env sh
+
+echo "Setting VERSION='${CI_COMMIT_REF_NAME}-${CI_COMMIT_SHORT_SHA}' in src/constants.py"
+echo "VERSION = '${CI_COMMIT_REF_NAME}-${CI_COMMIT_SHORT_SHA}'" >> src/constants.py

src/__init__.py

@@ -0,0 +1,5 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+""" Constants declarations """
+
+VERSION = None

src/constants.py

@@ -10,6 +10,7 @@
 import pygelf
 from prometheus_client import start_http_server
 from prometheus_client.core import REGISTRY, GaugeMetricFamily
+import constants
 
 LOG = logging.getLogger(__name__)
 logging.basicConfig(
@@ -163,7 +164,8 @@ def collect(self):
 if __name__ == '__main__':
     configure_logging()
     PORT = int(os.environ.get('PORT', 9308))
-    LOG.info("Starting on port {}".format(PORT))
+    # pylint: disable=no-member
+    LOG.info("Starting etherscan-exporter {} on port {}".format(constants.VERSION, PORT))
     REGISTRY.register(EtherscanCollector())
     start_http_server(PORT)
     while True: