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#REDIRECT [[M/Monit]]
__NOTOC__
= M/Monit =

== Installation ==
# Download Monit tar file from tildeslash
<pre><nowiki>
wget http://www.tildeslash.com/monit/dist/monit-4.10.1.tar.gz
</nowiki></pre>

# Unpack and install
<pre><nowiki>
tar zxvf monit-4.10.1.tar.gz
cd monit-4.10.1
./configure
make
make install
</nowiki></pre>


== Configuration ==
# Open `/etc/monit.conf` and set/uncomment this values:
<pre><nowiki>
# Run Monit as daemon
set daemon 120

# Send logs to /var/log/messages
set logfile syslog facility log_daemon

# Setup Monit Web Service with authentication from anywhere
set httpd port 2812 and
allow user:password

# Read configuration files for each service
include /etc/monit.d/*
</nowiki></pre>


# Open `/etc/httpd/conf/httpd.conf` and add the following lines:
<pre><nowiki>
# Avoid Monit activity to be logged on Apache log
SetEnvIf Request_URI "^/monit/token$" dontlog
CustomLog logs/access_log common env=!dontlog
</nowiki></pre>

# Open port on iptables to watch monit on TCP port 2812
{{
iptables -A INPUT -p tcp --dport 2812 -j ACCEPT
</nowiki></pre>


== Configure services ==

=== Apache ===
'''File:''' `/etc/monit.d/httpd.conf`
<pre><nowiki>
check process httpd with pidfile /var/run/httpd.pid
group apache
start program = "/sbin/service httpd start"
stop program = "/sbin/service httpd stop"
if failed port host 127.0.0.1 port 80 protocol http
and request "/api/restaurant/id"
then restart
if 5 restarts within 5 cycles then timeout
</nowiki></pre>


=== MySQL ===
'''File:''' `/etc/monit.d/mysqld.conf`
<pre><nowiki>
check process mysql with pidfile /var/run/mysqld/mysqld.pid
group mysql
start program = "/sbin/service mysqld start"
stop program = "/sbin/service mysqld stop"
if failed host 127.0.0.1 port 3306 protocol mysql
then restart
if 5 restarts within 5 cycles then timeout
</nowiki></pre>


=== xmlBlaster ===
'''File:''' `/etc/monit.d/xmlblaster.conf`
<pre><nowiki>
check process xmlblaster with pidfile /var/run/xmlblaster.pid
group root
start program = "/sbin/service xmlblaster start"
stop program = "/sbin/service xmlblaster stop"
if failed host iron.bashlinux.com port 3412 protocol http
and request "/status.html" then restart
if 5 restarts within 5 cycles then timeout
</nowiki></pre>


=== Actionqueue ===
'''File:''' `/etc/monit.d/actionqueue.conf`
<pre><nowiki>
check process actionqueue with pidfile /var/run/actionqueue.pid
group root
start program = "/sbin/service actionqueue start"
stop program = "/sbin/service actionqueue stop"
if failed host 127.0.0.1 port 8443
then restart
if 5 restarts within 5 cycles then timeout
</nowiki></pre>


== Startup ==

=== Boot init from SYSV init.d ===
# Register the service to start on boot
<pre><nowiki>
chkconfig monit on
</nowiki></pre>

# Start service
<pre><nowiki>
service monit start
</nowiki></pre>


=== Respawnning with inittab ===
# Append {{/etc/inittab}} to add:
<pre><nowiki>
mo:2345:respawn:/usr/bin/monit -Ic /etc/monit.conf
</nowiki></pre>

# Start monit
<pre><nowiki>
init q
</nowiki></pre>

Latest revision as of 22:21, 11 June 2015

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