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utils/he_ipv6/logger.py

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+import logging
+import logging.handlers
+import os
+try:
+    # https://www.freedesktop.org/software/systemd/python-systemd/journal.html#journalhandler-class
+    from systemd import journal
+    _has_journald = True
+except ImportError:
+    _has_journald = False
+
+
+logfile = '/var/log/tunnelbroker_manager.log'
+# Prep the log file.
+logfile = os.path.abspath(os.path.expanduser(logfile))
+os.makedirs(os.path.dirname(logfile), exist_ok = True, mode = 0o0700)
+if not os.path.isfile(logfile):
+    with open(logfile, 'w') as fh:
+        fh.write('')
+os.chmod(logfile, 0o0600)
+
+# And set up logging.
+_cfg_args = {'handlers': [],
+             'level': logging.DEBUG}
+if _has_journald:
+    # There were some weird changes somewhere along the line.
+    try:
+        # But it's *probably* this one.
+        h = journal.JournalHandler()
+    except AttributeError:
+        h = journal.JournaldLogHandler()
+    # Systemd includes times, so we don't need to.
+    h.setFormatter(logging.Formatter(style = '{',
+                                     fmt = ('{name}:{levelname}:{name}:{filename}:'
+                                            '{funcName}:{lineno}: {message}')))
+    _cfg_args['handlers'].append(h)
+h = logging.handlers.RotatingFileHandler(logfile,
+                                         encoding = 'utf8',
+                                         # Disable rotating for now.
+                                         # maxBytes = 50000000000,
+                                         # backupCount = 30
+                                         )
+h.setFormatter(logging.Formatter(style = '{',
+                                 fmt = ('{asctime}:'
+                                        '{levelname}:{name}:{filename}:'
+                                        '{funcName}:{lineno}: {message}')))
+_cfg_args['handlers'].append(h)
+logging.basicConfig(**_cfg_args)
+logger = logging.getLogger('HE Tunnelbroker Manager')
+logger.info('Logging initialized.')