rystamps: imported first version

Backups timestamps check script that notifies the systems
administrator in case of anomalies, that is if (UTC) timestamps of
backups are outdated by NN(h).

1 files changed, 86 insertions, 0 deletions

diff --git a/rystamps.py b/rystamps.py
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+++ b/rystamps.py
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+#!/usr/bin/env python
+
+# rystamps -- monitor script for rybackup, that notifies the systems
+#             administrator in case of anomalies, that is if (UTC)
+#             timestamps of backups are outdated by NN(h)
+# Copyright (C) 2011 Adrian C. <anrxc sysphere.org>
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+
+from string  import join
+from smtplib import SMTP
+from socket  import getfqdn
+from os.path import getmtime
+from datetime import timedelta, datetime
+
+
+# Configuration
+#
+# Backups directory
+backups = "/mnt/backup"
+
+# Alarm thresholds per client (in hours)
+servers = {
+ "apollo" : {
+     "hourly" : 36, "daily" : 168, "weekly" : 720
+ },
+ "columbia" : {
+     "hourly" : 24, "daily" : 48,  "weekly" : 168, "monthly" : 720
+ },
+}
+
+# Alerts mailing settings
+host  = getfqdn()
+user  = "root@%s" % host
+dest  = "sysadmin@example.org"
+relay = "mail.example.com"
+
+
+# Functions
+#
+# Sending out alerts
+def mail(FROM, TO, SUBJECT, BODY):
+    MSG = join((
+        "From: %s" % FROM,
+        "To: %s" % TO,
+        "Subject: %s" % SUBJECT,
+        "",
+        BODY), "\r\n")
+    try:
+        server = SMTP(relay)
+        server.sendmail(FROM, TO, MSG)
+        server.quit()
+    except:
+        pass
+
+
+# Timestamps comparison
+def timecomp(stamp, warn):
+    timen = datetime.utcnow()
+    timeb = datetime.fromtimestamp(stamp)
+    if (timen - timeb) > timedelta(hours = warn):
+        return True
+
+
+# Performing checks and parsing the output
+def main():
+    alarms = []
+
+    for s in servers.keys():
+        for ival in servers[s].keys():
+            mtime = getmtime("%s/%s/%s.1" % (backups, s, ival))
+
+            if timecomp(int(mtime), servers[s][ival]) == True:
+                alarms.append("%s %s.1\t last modified on: %s (UTC)" % (
+                              s, ival, datetime.fromtimestamp(int(mtime))))
+
+    if alarms:
+        body = "Outdated backups detected:\n\n%s" % "\n".join(alarms)
+        mail(user, dest, host+": backups timestamp status report", body)
+
+if __name__ == "__main__":
+    main()