feat: LOG_LEVEL env, bump poetry version, other small fixes

Dockerfile

@@ -7,7 +7,7 @@ ENV PYTHONDONTWRITEBYTECODE 1
 WORKDIR /app
 
 RUN python -m venv venv && \
-    pip install --no-cache-dir poetry==1.4.1
+    pip install --no-cache-dir poetry==1.4.2
 
 COPY pyproject.toml poetry.lock ./
 

app.py

@@ -12,7 +12,6 @@
 from prometheus_client import CollectorRegistry, push_to_gateway
 from urllib.parse import urljoin
 
-logging.basicConfig(level='INFO')
 
 PUSHGATEWAY_URL = os.environ.get('PUSHGATEWAY_URL', 'http://pushgateway:9091')
 PUSHGATEWAY_BASIC_AUTH_USERNAME = os.environ.get(
@@ -30,6 +29,12 @@
 
 JOB_PREFIX = os.environ.get('JOB_PREFIX', 'env')
 
+LOG_LEVEL = os.environ.get('LOG_LEVEL', 'INFO')
+
+logging.basicConfig(level=LOG_LEVEL)
+
+logging.info(f'Gate UP!')
+
 
 def project_containers():
     '''
@@ -88,7 +93,11 @@ def push_gateway_handler(url, method, timeout, headers, data):
 
 while True:
     time.sleep(SCRAPE_INTERVAL)
-    for container in project_containers():
+    containers = project_containers()
+    if len(containers) == 0:
+        logging.info('There are no project containers')
+        continue
+    for container in containers:
         # --- specify the metrics url
         port, path = get_container_scrape_params(container)
         url = urljoin(f'http://{container.name}:{port}', path)
@@ -102,3 +111,4 @@ def push_gateway_handler(url, method, timeout, headers, data):
                 job=f'{JOB_PREFIX}-{container.name}',
                 registry=registry,
                 handler=push_gateway_handler)
+

docker-compose.yml

@@ -31,7 +31,8 @@ services:
       - /var/run/docker.sock:/tmp/docker.sock:ro
       - ./:/app
     environment:
-      JOB_PREFIX: prod
+      JOB_PREFIX: test
+    #   LOG_LEVEL: INFO
     #   # --- push metrics to pushgateway with auth
     #   PUSHGATEWAY_URL: http://pc-ip-address:19091
     #   PUSHGATEWAY_BASIC_AUTH_USERNAME: admin

tmuxp.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+exec tmuxp load ./tmuxp.yaml