new: fsro python script

py/fsro.py

@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+import sys, os, subprocess, socket, logging, logging.handlers
+
+# script variables
+checkPath = "/tmp"
+
+# some filesystems are only writable by root
+if os.geteuid() != 0:
+	subprocess.call(['sudo', 'python', sys.argv[0]]);
+	sys.exit(0);
+
+# log to syslog
+log = logging.getLogger(__file__)
+log.setLevel(logging.DEBUG)
+
+handler = logging.handlers.SysLogHandler(address = '/dev/log');
+formatter = logging.Formatter('%(name)s %(levelname)s: %(message)s');
+handler.setFormatter(formatter);
+log.addHandler(handler);
+
+# print message and exit
+def printExit(msg):
+    print (msg);
+    log.info(msg);
+    exit(0);
+
+# program begins
+if os.path.isfile('/dev/shm/fsro-py.lock'):
+	printExit('MINOR Please health check CIFS mounts and then delete /dev/shm/fsro-py.lock.')
+else:
+	open('/dev/shm/fsro-py.lock', 'a').close();
+
+mountExists = subprocess.call(["grep", "-q", checkPath, "/proc/mounts"]);
+if mountExists != 0:
+	printExit('MAJOR Mount ' + checkPath + ' missing');
+
+testFile = checkPath + "/." + socket.gethostname() + "-test.dat";
+
+try:
+	with open(testFile, 'wb') as fw:
+ 		fw.write(os.urandom(10*1024*1024));
+		fw.close();
+except Exception as e:
+        printExit('MAJOR Mount ' + checkPath + ' not writable: ' + e);
+
+try:
+	with open(testFile, 'r') as fr:
+		fr.read();
+		fr.close();
+except Exception as e:
+        printExit('MAJOR Mount ' + checkPath + ' not readable: ' + e);
+
+
+os.remove(testFile);
+os.remove('/dev/shm/fsro-py.lock');
+
+printExit('OK Mount ' + checkPath + ' healthy');