[checkmk-commits] Check_MK Git: check_mk: New localcheck for Linux that makes sure that filesystems in /etc/ fstab are mounted

Module: check_mk Branch: master Commit: d46c7d6fe8a88bceeaddc8df436ad72ff4dafede URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=d46c7d6fe8a88b… Author: Mathias Kettner &lt;mk(a)mathias-kettner.de&gt; Date: Thu Apr 3 14:57:57 2014 +0200 New localcheck for Linux that makes sure that filesystems in /etc/fstab are mounted The new local check is in <tt>share/doc/check_mk/treasures/localchecks/check_fstab_mounts</tt>. Simply copy it to <tt>/usr/lib/check_mk_agent/local/</tt> on your Linux agents. It will alert you if any filesystem that is listed in <tt>/etc/fstab</tt> is not being mounted. Filesystems with the option <tt>noauto</tt> are excluded from the check. --- .werks/751 | 11 ++++++++ ChangeLog | 1 + doc/treasures/localchecks/check_fstab_mounts | 37 ++++++++++++++++++++++++++ 3 files changed, 49 insertions(+) diff --git a/.werks/751 b/.werks/751 new file mode 100644 index 0000000..b20f4c2 --- /dev/null +++ b/.werks/751 @@ -0,0 +1,11 @@ +Title: New localcheck for Linux that makes sure that filesystems in /etc/fstab are mounted +Level: 1 +Component: checks +Version: 1.2.5i3 +Date: 1396529750 +Class: feature + +The new local check is in <tt>share/doc/check_mk/treasures/localchecks/check_fstab_mounts</tt>. Simply +copy it to <tt>/usr/lib/check_mk_agent/local/</tt> on your Linux agents. It will alert you if any +filesystem that is listed in <tt>/etc/fstab</tt> is not being mounted. Filesystems with the option +<tt>noauto</tt> are excluded from the check. diff --git a/ChangeLog b/ChangeLog index d3e785a..527b30f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,6 +1,7 @@ 1.2.5i3: Checks & Agents: * 0149 cisco_secure: New check for Port Security on Cisco swichtes + * 0751 New localcheck for Linux that makes sure that filesystems in /etc/fstab are mounted... * 0777 FIX: special agent emcvnx: did not work with security file authentication... Multisite: diff --git a/doc/treasures/localchecks/check_fstab_mounts b/doc/treasures/localchecks/check_fstab_mounts new file mode 100755 index 0000000..40b4e0a --- /dev/null +++ b/doc/treasures/localchecks/check_fstab_mounts @@ -0,0 +1,37 @@ +#!/usr/bin/python +# This localcheck makes sure that every filesystem that is listed in /etc/fstab to +# be mounted automatically, also appears mounted in /proc/mounts + +# /dev/mapper/vg0-lv--root / ext4 errors=remount-ro 0 1 +# # /boot was on /dev/md0 during installation +# UUID=bec44dfa-7c70-4da7-857a-2e324cc230bd /boot ext4 defaults 0 2 +# /dev/mapper/vg0-lv--home /home ext4 defaults 0 2 +# tmpfs /omd/sites/aq/tmp tmpfs noauto,user,mode=755,uid=aq,gid=aq 0 0 +# tmpfs /opt/omd/sites/zentrale/tmp tmpfs noauto,user,mode=755,uid=zentrale,gid=zentrale 0 0 +# tmpfs /opt/omd/sites/hirn/tmp tmpfs noauto,user,mode=755,uid=hirn,gid=hirn 0 0 +# tmpfs /opt/omd/sites/heute/tmp tmpfs noauto,user,mode=755,uid=heute,gid=heute 0 0 + +mounted = [ l.split()[1] for l in file("/proc/mounts") ] + +missing = [] +count = 0 +for line in file("/etc/fstab"): + if not line.strip() or line.strip().startswith("#"): + continue + + device, mountpoint, fstype, options, rest = line.split(None, 4) + options = options.split(",") + if "noauto" not in options and mountpoint not in mounted: + missing.append("%s is not mounted on %s" % (device, mountpoint)) + else: + count += 1 + +if missing: + state = 2 + output = ", ".join(missing) + +else: + state = 0 + output = "All %d expected filesystems of /etc/fstab are mounted" % count + +print "%d Mounted_Filesystems - %s" % (state, output)