Add JSON logging demo.

demos/jsonlog.py

@@ -0,0 +1,60 @@
+"""
+JSON logging demo. It shows how to configure uWSGI to format log as JSON.
+
+    Start uWSGI with the following command:
+
+        uwsgiconf run <path-to-this-file>
+
+"""
+import logging
+from datetime import datetime
+from functools import partial
+
+from uwsgiconf.config import configure_uwsgi
+from uwsgiconf.runtime.logging import log_message
+from uwsgiconf.runtime.scheduling import register_timer
+
+
+def encode(data):
+    return map(partial(bytes, encoding='utf8'), data)
+
+
+@register_timer(5)
+def log_msg(sig):
+    log_message('msg runtime')
+
+
+def application(env, start_response):
+
+    start_response('200 OK', [('Content-Type','text/html')])
+
+    data = [
+        '<h1>uwsgiconf demo: logging JSON</h1>',
+        f'<div>updated {datetime.now()}</div>',
+    ]
+
+    logging.warning('msg logging')
+
+    return encode(data)
+
+
+def configure():
+    from pathlib import Path
+    from uwsgiconf.presets.nice import PythonSection
+
+    filepath = Path(__file__).absolute()
+    port = 8000
+
+    section = PythonSection.bootstrap(
+        f'http://127.0.0.1:{port}',
+        touch_reload=filepath,
+        wsgi_module=filepath,
+        workers=1,
+    )
+
+    section.configure_logging_json()
+
+    return section
+
+
+configure_uwsgi(configure)