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require 'formula'
class Nagios < Formula
homepage 'http://www.nagios.org/'
url 'http://downloads.sourceforge.net/project/nagios/nagios-3.x/nagios-3.4.1/nagios-3.4.1.tar.gz'
md5 '2fa8acfb2a92b1bf8d173a855832de1f'
depends_on 'gd'
depends_on 'nagios-plugins'
depends_on :x11 # Required to compile some CGI's against the build-in libpng.
def nagios_sbin; prefix+'cgi-bin'; end
def nagios_etc; etc+'nagios'; end
def nagios_var; var+'lib/nagios'; end
def htdocs; share+'nagios/htdocs'; end
def user; `id -un`.chomp; end
def group; `id -gn`.chomp; end
def install
system "./configure", "--disable-debug",
"--disable-dependency-tracking",
"--prefix=#{prefix}",
"--sbindir=#{nagios_sbin}",
"--sysconfdir=#{nagios_etc}",
"--localstatedir=#{nagios_var}",
"--datadir=#{htdocs}",
"--libexecdir=#{HOMEBREW_PREFIX}/sbin", # Plugin dir
"--with-cgiurl=/nagios/cgi-bin",
"--with-htmurl=/nagios",
"--with-nagios-user=#{user}",
"--with-nagios-group=#{group}",
"--with-command-user=#{user}",
"--with-command-group=_www",
"--with-httpd-conf=#{share}"
system "make all"
system "make install"
# Install config
system "make install-config"
system "make install-webconf"
(share+plist_path).write startup_plist
end
def startup_plist
<<-EOS.undent
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>KeepAlive</key>
<true/>
<key>Label</key>
<string>#{plist_name}</string>
<key>ProgramArguments</key>
<array>
<string>#{HOMEBREW_PREFIX}/bin/nagios</string>
<string>#{nagios_etc}/nagios.cfg</string>
</array>
<key>RunAtLoad</key>
<true/>
<key>StandardErrorPath</key>
<string>/dev/null</string>
<key>StandardOutPath</key>
<string>/dev/null</string>
<key>UserName</key>
<string>#{user}</string>
</dict>
</plist>
EOS
end
def caveats
<<-EOS.undent
First we need to create a command dir using superhuman powers:
mkdir -p #{nagios_var}/rw
sudo chgrp _www #{nagios_var}/rw
sudo chmod 2775 #{nagios_var}/rw
Then install the Nagios web frontend into Apple's build-in Apache:
1) Turn on Personal Web Sharing.
2) Load the php module by patching /etc/apache2/httpd.conf:
-#LoadModule php5_module libexec/apache2/libphp5.so
+LoadModule php5_module libexec/apache2/libphp5.so
3) Symlink the sample config and create your web account:
sudo ln -sf #{share}/nagios.conf /etc/apache2/other/
htpasswd -cs #{nagios_etc}/htpasswd.users nagiosadmin
sudo apachectl restart
If you want to run nagios automatically at startup:
sudo cp #{share}/#{plist_path.basename} /Library/LaunchDaemons/
sudo launchctl load -w /Library/LaunchDaemons/#{plist_path.basename}
...or simply run it on demand:
nagios #{nagios_etc}/nagios.cfg
Now log in with your web account (and don't forget to RTFM :-)
open http://localhost/nagios
EOS
end
end
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