From d8f933bd00a5cc416da00cd26c9d13f7a1c02486 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Sun, 1 Jul 2018 15:35:43 +0200
Subject: Add monitoring

---
 modules/profile/files/monitoring/check_command | 113 +++++++++++++++++++++++++
 modules/profile/files/monitoring/check_md_raid |  32 +++++++
 2 files changed, 145 insertions(+)
 create mode 100644 modules/profile/files/monitoring/check_command
 create mode 100644 modules/profile/files/monitoring/check_md_raid

(limited to 'modules/profile/files/monitoring')

diff --git a/modules/profile/files/monitoring/check_command b/modules/profile/files/monitoring/check_command
new file mode 100644
index 0000000..2c7eded
--- /dev/null
+++ b/modules/profile/files/monitoring/check_command
@@ -0,0 +1,113 @@
+#!/usr/bin/perl
+
+use strict;
+use Getopt::Std;
+$| = 1;
+
+my %opts;
+getopts('hr:C:c:s:o:', \%opts);
+
+my $STATE_OK = 0;
+my $STATE_WARNING = 1;
+my $STATE_CRITICAL = 2;
+my $STATE_UNKNOWN = 3;
+
+if ($opts{'h'} || scalar(%opts) == 0) {
+  &print_help();
+  exit($STATE_OK);
+}
+
+my $command = $opts{'c'};
+if ($command eq '') {
+  print "You must provide a command to check.\n";
+  exit($STATE_UNKNOWN);
+}
+
+my $expected_output = $opts{'o'};
+my $expected_status = $opts{'s'};
+my $other_command   = $opts{'C'};
+
+if ($other_command eq '' and $expected_status eq '' and $expected_output eq '') {
+  $expected_status = 0;
+}
+
+my $cmd = $command . ' 2>&1';
+my $other_cmd;
+if ($other_command ne '') {
+  $other_cmd = $other_command . ' 2>&1';
+}
+
+my $run_as;
+if ($opts{'r'}) {
+  $run_as = $opts{'r'};
+  $cmd = "sudo -u $run_as -n $cmd";
+
+  if ($other_command ne '') {
+    $other_cmd = "sudo -u $run_as -n $other_cmd";
+  }
+
+}
+
+my $cmd_result = `$cmd`;
+my $other_cmd_result;
+if ($other_command ne '') {
+  $other_cmd_result = `$other_cmd`;
+  chomp($other_cmd_result);
+}
+
+chomp($cmd_result);
+if ($cmd_result =~ /sudo/i) {
+  print "$command CRITICAL - No sudo right to run the command\n";
+  exit($STATE_UNKNOWN);
+} elsif ($expected_status ne '') {
+    if ($? != $expected_status) {
+      print "$command CRITICAL - Response status $?\n";
+      exit($STATE_CRITICAL);
+    } else {
+      print "$command OK - Response status $?\n";
+      exit($STATE_OK);
+    }
+} elsif ($other_command ne '') {
+  if ($cmd_result ne $other_cmd_result) {
+    print "$command CRITICAL - Expected output not matching other command output\n";
+    exit($STATE_CRITICAL);
+  } else {
+    print "$command OK - Expected output matching other command output\n";
+    exit($STATE_OK);
+  }
+} else {
+  if ($cmd_result !~ /$expected_output/) {
+    print "$command CRITICAL - Expected output not matching\n";
+    exit($STATE_CRITICAL);
+  } else {
+    print "$command OK - Expected output matching\n";
+    exit($STATE_OK);
+  }
+}
+
+sub print_help() {
+  print << "EOF";
+Check whether the given command responds as expected. One of -o -C or -s must be selected.
+
+Options:
+-h
+    Print detailed help screen
+
+-c
+    command to run (required)
+
+-C
+    other command to compare output
+
+-r user
+    Run as user via sudo.
+
+-s
+    status code to check
+
+-o
+    output to check
+
+EOF
+}
+
diff --git a/modules/profile/files/monitoring/check_md_raid b/modules/profile/files/monitoring/check_md_raid
new file mode 100644
index 0000000..9c79a7a
--- /dev/null
+++ b/modules/profile/files/monitoring/check_md_raid
@@ -0,0 +1,32 @@
+#!/bin/bash
+#
+# Created by Sebastian Grewe, Jammicron Technology
+#
+
+# Get count of raid arrays
+RAID_DEVICES=`grep ^md -c /proc/mdstat`
+
+# Get count of degraded arrays
+RAID_STATUS=`grep "\[.*_.*\]" /proc/mdstat -c`
+
+# Is an array currently recovering, get percentage of recovery
+RAID_RECOVER=`grep recovery /proc/mdstat | awk '{print $4}'`
+
+# Check raid status
+# RAID recovers --> Warning
+if [[ $RAID_RECOVER ]]; then
+	STATUS="WARNING - Checked $RAID_DEVICES arrays, recovering : $RAID_RECOVER"
+	EXIT=1
+# RAID ok
+elif [[ $RAID_STATUS  == "0" ]]; then
+	STATUS="OK - Checked $RAID_DEVICES arrays."
+	EXIT=0
+# All else critical, better save than sorry
+else
+	STATUS="CRITICAL - Checked $RAID_DEVICES arrays, $RAID_STATUS have FAILED"
+	EXIT=2
+fi
+
+# Status and quit
+echo $STATUS
+exit $EXIT
-- 
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