While writing and updating training material for our Icinga 2 courseware, we are also re-evaluating the installation and configuration process by practical example and learning curve. Certain parts of the Icinga2 documentation are updated similar to the training material from training participants feedback and also by the trainers themselves.

In this special example, we found it tremendously hard to install the icinga rpm repository from packages.icinga.org inside the CentOS 7 training VM. By default you would just type a long string to fetch the yum repository information.

# wget http://packages.icinga.org/epel/ICINGA-release.repo -O /etc/yum.repos.d/ICINGA-release.repo
# yum makecache

training_install_icinga_repositoryWhile this works pretty well for release repositories, how about the snapshot repository for testing bleeding edge stuff? Similar to EPEL release package we’d just want that for Icinga as well.

The RPM package called ‘icinga-rpm-release’ contains the repository’s GPG key as well as the yum configuration for the release repository which is enabled by default. The snapshot repository is installed, but disabled. You may use it with the “–enablerepo” yum parameter.

Example for el7:

Name:           icinga-rpm-release
Version:        7
Release:        1%{?dist}
Summary:        Icinga Package Repository

Group:          System Environment/Base
License:        GPLv2
URL:            http://packages.icinga.org/epel/
Source0:        %{name}-%{version}.tar.gz
Source1:        http://packages.icinga.org/icinga.key
Source2:        http://packages.icinga.org/epel/ICINGA-release.repo
Source3:        http://packages.icinga.org/epel/ICINGA-snapshot.repo

BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)

BuildArch:      noarch

Requires:       redhat-release >=  %{version}

%description
This package contains the Icinga package repository GPG key
as well as configuration for yum.

%prep
%setup -q -c -T
install -pm 644 %{SOURCE0} .

%build

%install
rm -rf $RPM_BUILD_ROOT

#GPG key
install -Dpm 644 %{SOURCE1} $RPM_BUILD_ROOT%{_sysconfdir}/pki/rpm-gpg/RPM-GPG-KEY-ICINGA

#yum
install -dm 755 $RPM_BUILD_ROOT%{_sysconfdir}/yum.repos.d
install -pm 644 %{SOURCE2} %{SOURCE3} $RPM_BUILD_ROOT%{_sysconfdir}/yum.repos.d

%clean
rm -rf $RPM_BUILD_ROOT

%files
%defattr(-,root,root,-)
%config(noreplace) /etc/yum.repos.d/*
/etc/pki/rpm-gpg/*


%changelog

All distribution releases are organized in git branches, which keeps it fairly simply for Jenkins package builds.

Tip: Downloading the url-referenced sources (“SourceX: Url”) works using spectool.

$ cd sources
$ spectool -g ../icinga-rpm-release.spec
modify, add, commit

In the end, you’ll get a nice rpm which installs just fine. No need to worry about the GPG key or where to store the configuration files.

# rpm -i http://packages.icinga.org/epel/7/release/noarch/icinga-rpm-release-7-1.el7.centos.noarch.rpm

# yum search icinga2

See you in the icinga2 training sessions!

Michael Friedrich

Autor: Michael Friedrich

Michael ist Icinga-Core-Developer und im Rahmen des Icinga-Projekts schon viele Jahre mit NETWAYS in Kontakt. Im Dezember 2012 hat er das schöne Wien verlassen und ist nun bei uns in den Bereichen Development und Consulting im Einsatz. Durch seine unglaubliche Aktivität im Monitoring-Portal und auf diversen Mailinglisten ist Michael in den vergangenen Jahren für ca. 20% des österreichischen Webtraffics verantwortlich.