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writecheck.pp
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writecheck.pp
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#
# == Define: monit::writecheck
#
# Monitor the writability of a directory. This allows catching mounts that have
# gone into read-only state.
#
# == Parameters
#
# [*path*]
# The path to monitor. It makes most sense to monitor the root of the
# filesystem in question. For example '/', '/var/backups/', '/boot/'. Defaults
# to "/$title/", unless the $title is 'root', in which case the default value
# is '/'. Ensure that the path always has a trailing slash.
# [*email*]
# Email where monit notifications/alerts are sent. Defaults to global variable
# $::servermonitor.
#
# == Examples
#
# Example of usage in Hiera
#
# monit::writechecks:
# root: {}
# boot: {}
# backups:
# path: '/var/backups/'
#
define monit::writecheck
(
$path = undef,
$email = $::servermonitor
)
{
include ::monit::params
if $path == undef {
$l_path = $title ? {
'root' => '/',
default => "/${title}/"
}
} else {
$l_path = $path
}
File {
owner => $::os::params::adminuser,
group => $::os::params::admingroup,
require => File['monit-conf.d'],
notify => Class['monit::service'],
}
# Monit does not know how to execute real command-lines, so we need to
# create a script which it runs when disk usage threshold is exceeded.
file { "monit-${title}-writecheck.sh":
ensure => present,
name => "${::monit::params::fragment_dir}/${title}-writecheck.sh",
content => template('monit/writecheck.sh.erb'),
mode => '0700',
}
file { "monit-${title}-writecheck.monit":
ensure => present,
name => "${::monit::params::fragment_dir}/${title}-writecheck.monit",
content => template('monit/writecheck.monit.erb'),
mode => '0600',
}
}