distgit/pagure: Log auth-related into in a file on disk and create the place for it

Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>

roles/distgit/pagure/tasks/main.yml

@@ -105,6 +105,13 @@
   tags:
   - pagure
 
+- name: create the /var/log/pagure folder where to store the logs
+  file: state=directory
+               path=/var/log/pagure
+               owner=pagure group=packager mode=0775
+  tags:
+  - pagure
+
 - name: create the /srv/tmp folder where to clone repos
   file: state=directory
                path=/srv/tmp

roles/distgit/pagure/templates/pagure_hook.cfg

@@ -6,3 +6,45 @@ os.umask(0o002)
 DB_URL = 'postgresql://{{ distgit_pagure_db_ro_user }}:{{ distgit_pagure_db_ro_pass }}@{{ pagure_db_host }}/{{ distgit_pagure_db_name }}'
 
 {% include "pagure_shared.cfg" %}
+
+LOGGING = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "formatters": {
+        "standard": {
+            "format": "%(asctime)s [%(levelname)s] %(name)s: %(message)s"
+        },
+    },
+    "handlers": {
+        "console": {
+            "formatter": "standard",
+            "class": "logging.StreamHandler",
+            "stream": "ext://sys.stdout",
+            "level": "WARN",
+        },
+        "auth_handler": {
+            "formatter": "standard",
+            "class": "logging.handlers.TimedRotatingFileHandler",
+            "filename": "/var/log/pagure/pagure_auth.log",
+            "backupCount": 10,
+            "utc": True,
+            "when": "midnight",
+        },
+    },
+    # The root logger configuration; this is a catch-all configuration
+    # that applies to all log messages not handled by a different logger
+    "root": {"level": "WARN", "handlers": ["console"]},
+    "loggers": {
+        "pagure": {
+            "handlers": ["auth_handler"],
+            "level": "INFO",
+            "propagate": True,
+        },
+        "pagure_auth": {
+            "handlers": ["auth_handler"],
+            "level": "DEBUG",
+            "propagate": False,
+        },
+    },
+}
+