fixed check of weed_enable

bin/zsnapper

@@ -5,6 +5,7 @@ import os
 import re
 import logging
 import logging.handlers
+import stat
 import subprocess
 import sys
 
@@ -258,7 +259,7 @@ def weed_snapshots(fslist, snapshots, config, failed_snapshots):
             continue
         if source_fs not in snapshots:
             continue
-        if not conf['weed_enable']:
+        if not conf['weed_enable'] or conf['weed_enable'].lower() in ('false', 'no'):
             continue
 
         kwargs = {k: int(v) for k, v in conf.items() if k in [
@@ -288,7 +289,8 @@ def weed_snapshots(fslist, snapshots, config, failed_snapshots):
 
 def main():
     config = configparser.ConfigParser()
-    config.read('/etc/zsnapper.ini')
+    config.read(['/usr/local/etc/zsnapper.ini', '/etc/zsnapper.ini'])
+
     ret = RET_CODES['SUCCESS']
     log = logging.getLogger(LOGGER)
 
@@ -403,9 +405,22 @@ if __name__ == '__main__':
     handler.setLevel(logging.WARNING)
     log.addHandler(handler)
 
-    handler = logging.handlers.SysLogHandler(address='/dev/log')
-    formatter = logging.Formatter(fmt='zsnapper[%(process)s] %(message)s')
-    handler.setFormatter(formatter)
-    handler.setLevel(logging.INFO)
-    log.addHandler(handler)
+    handler = None
+    for logsocket in ('/var/run/log', '/dev/log'):
+        try:
+            mode = os.stat(logsocket).st_mode
+        except FileNotFoundError:
+            continue
+
+        if stat.S_ISSOCK(mode):
+            handler = logging.handlers.SysLogHandler(address=logsocket)
+            formatter = logging.Formatter(fmt='zsnapper[%(process)s] %(message)s')
+            handler.setFormatter(formatter)
+            handler.setLevel(logging.INFO)
+            log.addHandler(handler)
+            break
+
+    if not handler:
+        log.warning('No syslog socket found, will not log to syslog')
+
     sys.exit(main())

setup.py

@@ -6,7 +6,7 @@ try:
 except ImportError:
     from distutils import setup
 
-version = '0.3.1'
+version = '0.3.4'
 
 setup(
         name='zsnapper',

zsnaplib/__init__.py

@@ -37,7 +37,7 @@ def do_zfs_command(args, zfs_cmd, pipecmd=None):
     # check if we try to create a snapshot that already exists. This can happen
     # if the script is run every minute and it takes more time than that to
     # create all snapshots
-    if ctrl_proc.returncode == 1 and re_match(re_err_ok, err):
+    if ctrl_proc.returncode == 1 and re.match(re_err_ok, err.decode('utf-8')):
         pass
     elif ctrl_proc.returncode != 0:
         raise ZFSSnapshotError('Failed to execute {}: {}'.format(cmd, err))