Test Nginx SIGTERM handling

Author: renatomefi

test/e2e/conftest.py

@@ -13,6 +13,9 @@ def tag(request):
 
 @pytest.fixture
 def container(host, tag):
-    container = host.check_output('docker run -p 80 --rm -d {}'.format(tag))
+    container = host.check_output('docker run -p 80 -d {}'.format(tag))
     yield container
     host.check_output('docker stop {}'.format(container))
+    
+    # Remove afterwads thus the tests still have access to the logs
+    host.check_output('docker rm -f {}'.format(container))

test/e2e/test_nginx_entrypoint.py

@@ -0,0 +1,19 @@
+import pytest
+
+
+@pytest.mark.nginx_e2e
+def test_nginx_sigterm_handling(host, container):
+    log_level = host.run('docker exec -t {} sh -c "sed -i \'s/error_log .*;/error_log stderr notice;/g\' /etc/nginx/nginx.conf"'.format(container))
+    assert log_level.rc is 0
+    assert u'stderr notice' in host.check_output('docker exec -t {} cat /etc/nginx/nginx.conf'.format(container))
+
+    nginx_reload = host.run('docker exec -t {} sh -c "nginx -s reload"'.format(container))
+    assert nginx_reload.rc is 0
+
+    nginx_stop = host.run('docker stop -t 3 {}'.format(container))
+    assert nginx_reload.rc is 0
+
+    logs = host.run('docker logs {}'.format(container))
+
+    assert u'signal 15 (SIGTERM) received, exiting' in logs.stderr
+    assert u'exit' in logs.stderr