304 lines
12 KiB
Markdown
304 lines
12 KiB
Markdown
# <a id="installation"></a> Installation
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The preferred way of installing Icinga Web 2 is to use the official package repositories depending on which operating
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system and distribution you are running. But it is also possible to install Icinga Web 2 directly from source.
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## <a id="installing-requirements"></a> Installing Requirements
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* A web server, e.g. Apache or nginx
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* PHP >= 5.3.0 w/ gettext, intl and OpenSSL support
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* MySQL or PostgreSQL PHP libraries when using a database for authentication or for storing preferences into a database
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* LDAP PHP library when using Active Directory or LDAP for authentication
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* Icinga 1.x w/ Livestatus or IDO; Icinga 2.x w/ Livestatus or IDO feature enabled
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* MySQL or PostgreSQL PHP libraries when using IDO
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## <a id="installing-from-package"></a> Installing Icinga Web 2 from Package
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Below is a list of official package repositories for installing Icinga Web 2 for various operating systems.
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Distribution | Repository
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------------------------|---------------------------
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Debian | [debmon](http://debmon.org/packages/debmon-wheezy/icingaweb2), [Icinga Repository](http://packages.icinga.org/debian/)
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Ubuntu | [Icinga Repository](http://packages.icinga.org/ubuntu/)
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RHEL/CentOS | [Icinga Repository](http://packages.icinga.org/epel/)
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openSUSE | [Icinga Repository](http://packages.icinga.org/openSUSE/)
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SLES | [Icinga Repository](http://packages.icinga.org/SUSE/)
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Gentoo | -
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FreeBSD | -
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ArchLinux | [Upstream](https://aur.archlinux.org/packages/icingaweb2)
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Packages for distributions other than the ones listed above may also be available.
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Please contact your distribution packagers.
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### <a id="package-repositories"></a> Setting up Package Repositories
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You need to add the Icinga repository to your package management configuration for installing Icinga Web 2.
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Below is a list with examples for various distributions.
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**Debian (debmon)**:
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````
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wget -O - http://debmon.org/debmon/repo.key 2>/dev/null | apt-key add -
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echo 'deb http://debmon.org/debmon debmon-wheezy main' >/etc/apt/sources.list.d/debmon.list
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apt-get update
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````
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**Ubuntu Trusty**:
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````
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wget -O - http://packages.icinga.org/icinga.key | apt-key add -
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add-apt-repository 'deb http://packages.icinga.org/ubuntu icinga-trusty main'
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apt-get update
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````
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For other Ubuntu versions just replace trusty with your distribution's code name.
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**RHEL and CentOS**:
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````
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rpm --import http://packages.icinga.org/icinga.key
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curl -o /etc/yum.repos.d/ICINGA-release.repo http://packages.icinga.org/epel/ICINGA-release.repo
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yum makecache
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````
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**Fedora**:
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````
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rpm --import http://packages.icinga.org/icinga.key
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curl -o /etc/yum.repos.d/ICINGA-release.repo http://packages.icinga.org/fedora/ICINGA-release.repo
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yum makecache
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````
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**SLES 11**:
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````
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zypper ar http://packages.icinga.org/SUSE/ICINGA-release-11.repo
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zypper ref
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````
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**SLES 12**:
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````
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zypper ar http://packages.icinga.org/SUSE/ICINGA-release.repo
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zypper ref
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````
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**openSUSE**:
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````
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zypper ar http://packages.icinga.org/openSUSE/ICINGA-release.repo
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zypper ref
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````
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#### <a id="package-repositories-rhel-notes"></a> RHEL/CentOS Notes
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The packages for RHEL/CentOS depend on other packages which are distributed as part of the
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[EPEL repository](http://fedoraproject.org/wiki/EPEL). Please make sure to enable this repository by following
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[these instructions](http://fedoraproject.org/wiki/EPEL#How_can_I_use_these_extra_packages.3F).
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> Please note that installing Icinga Web 2 on **RHEL/CentOS 5** is not supported due to EOL versions of PHP and
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> PostgreSQL.
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#### <a id="package-repositories-wheezy-notes"></a> Debian wheezy Notes
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The packages for Debian wheezy depend on other packages which are distributed as part of the
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[wheezy-packports](http://backports.debian.org/) repository. Please make sure to enable this repository by following
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[these instructions](http://backports.debian.org/Instructions/).
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### <a id="installing-from-package-example"></a> Installing Icinga Web 2
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You can install Icinga Web 2 by using your distribution's package manager to install the `icingaweb2` package.
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Below is a list with examples for various distributions. The additional package `icingacli` is necessary on RPM based systems for being able to follow further steps in this guide. In DEB based systems, the icingacli binary is included in the icingaweb2 package.
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**Debian and Ubuntu**:
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````
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apt-get install icingaweb2
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````
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For Debian wheezy please read the [package repositories notes](#package-repositories-wheezy-notes).
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**RHEL, CentOS and Fedora**:
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````
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yum install icingaweb2 icingacli
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````
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For RHEL/CentOS please read the [package repositories notes](#package-repositories-rhel-notes).
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**SLES and openSUSE**:
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````
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zypper install icingaweb2 icingacli
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````
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### <a id="preparing-web-setup-from-package"></a> Preparing Web Setup
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You can set up Icinga Web 2 quickly and easily with the Icinga Web 2 setup wizard which is available the first time
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you visit Icinga Web 2 in your browser. When using the web setup you are required to authenticate using a token.
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In order to generate a token use the `icingacli`:
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````
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icingacli setup token create
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````
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In case you do not remember the token you can show it using the `icingacli`:
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````
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icingacli setup token show
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````
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Finally visit Icinga Web 2 in your browser to access the setup wizard and complete the installation:
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`/icingaweb2/setup`.
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## <a id="installing-from-source"></a> Installing Icinga Web 2 from Source
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Although the preferred way of installing Icinga Web 2 is to use packages, it is also possible to install Icinga Web 2
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directly from source.
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### <a id="getting-the-source"></a> Getting the Source
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First of all, you need to download the sources. Icinga Web 2 is available through a Git repository. You can clone this
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repository either via git or http protocol using the following URLs:
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* git://git.icinga.org/icingaweb2.git
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* http://git.icinga.org/icingaweb2.git
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There is also a browsable version available at
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[git.icinga.org](https://git.icinga.org/?p=icingaweb2.git;a=summary "Icinga Web 2 Git Repository").
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This version also offers snapshots for easy download which you can use if you do not have git present on your system.
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````
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git clone git://git.icinga.org/icingaweb2.git
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````
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### <a id="installing-from-source-example"></a> Installing Icinga Web 2
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Choose a target directory and move Icinga Web 2 there.
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````
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mv icingaweb2 /usr/share/icingaweb2
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````
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### <a id="configuring-web-server"></a> Configuring the Web Server
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Use `icingacli` to generate web server configuration for either Apache or nginx.
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**Apache**:
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````
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./bin/icingacli setup config webserver apache --document-root /usr/share/icingaweb2/public
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````
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**nginx**:
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````
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./bin/icingacli setup config webserver nginx --document-root /usr/share/icingaweb2/public
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````
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Save the output as new file in your webserver's configuration directory.
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Example for Apache on RHEL or CentOS:
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````
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./bin/icingacli setup config webserver apache --document-root /usr/share/icingaweb2/public > /etc/httpd/conf.d/icingaweb2.conf
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````
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### <a id="preparing-web-setup-from-source"></a> Preparing Web Setup
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You can set up Icinga Web 2 quickly and easily with the Icinga Web 2 setup wizard which is available the first time
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you visit Icinga Web 2 in your browser. Please follow the steps listed below for preparing the web setup.
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Because both web and CLI must have access to configuration and logs, permissions will be managed using a special
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system group. The web server user and CLI user have to be added to this system group.
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Add the system group `icingaweb2` in the first place.
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**Fedora, RHEL, CentOS, SLES and OpenSUSE**:
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````
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groupadd -r icingaweb2
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````
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**Debian and Ubuntu**:
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````
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addgroup --system icingaweb2
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````
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Add your web server's user to the system group `icingaweb2`:
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**Fedora, RHEL and CentOS**:
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````
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usermod -a -G icingaweb2 apache
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````
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**SLES and OpenSUSE**:
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````
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usermod -A icingaweb2 wwwrun
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````
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**Debian and Ubuntu**:
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````
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usermod -a -G icingaweb2 www-data
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````
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Use `icingacli` to create the configuration directory which defaults to **/etc/icingaweb2**:
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````
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./bin/icingacli setup config directory
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````
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When using the web setup you are required to authenticate using a token. In order to generate a token use the
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`icingacli`:
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````
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./bin/icingacli setup token create
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````
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In case you do not remember the token you can show it using the `icingacli`:
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````
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./bin/icingacli setup token show
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````
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Finally visit Icinga Web 2 in your browser to access the setup wizard and complete the installation:
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`/icingaweb2/setup`.
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## <a id="upgrading-to-beta2"></a> Upgrading to Icinga Web 2 Beta 2
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Icinga Web 2 Beta 2 introduces access control based on roles for secured actions. If you've already set up Icinga Web 2,
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you are required to create the file **roles.ini** beneath Icinga Web 2's configuration directory with the following
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content:
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````
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[administrators]
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users = "your_user_name, another_user_name"
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permissions = "*"
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````
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After please log out from Icinga Web 2 and log in again for having all permissions granted.
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If you delegated authentication to your web server using the `autologin` backend, you have to switch to the `external`
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authentication backend to be able to log in again. The new name better reflects what’s going on. A similar change
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affects environments that opted for not storing preferences, your new backend is `none`.
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## <a id="upgrading-to-beta3"></a> Upgrading to Icinga Web 2 Beta 3
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Because Icinga Web 2 Beta 3 does not introduce any backward incompatible change you don't have to change your
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configuration files after upgrading to Icinga Web 2 Beta 3.
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## <a id="upgrading-to-rc1"></a> Upgrading to Icinga Web 2 Release Candidate 1
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The first release candidate of Icinga Web 2 introduces the following non-backward compatible changes:
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* The database schema has been adjusted and the tables `icingaweb_group` and
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`icingaweb_group_membership` were altered to ensure referential integrity.
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Please use the upgrade script located in **etc/schema/** to update your
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database schema
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* Users who are using PostgreSQL < v9.1 are required to upgrade their
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environment to v9.1+ as this is the new minimum required version
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for utilizing PostgreSQL as database backend
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* The restrictions `monitoring/hosts/filter` and `monitoring/services/filter`
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provided by the monitoring module were merged together. The new
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restriction is called `monitoring/filter/objects` and supports only a
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predefined subset of filter columns. Please see the module's security
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related documentation for more details.
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## <a id="upgrading-to-2.0.0"></a> Upgrading to Icinga Web 2 2.0.0
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* Icinga Web 2 installations from package on RHEL/CentOS 7 now depend on `php-ZendFramework` which is available through
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the [EPEL repository](http://fedoraproject.org/wiki/EPEL). Before, Zend was installed as Icinga Web 2 vendor library
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through the package `icingaweb2-vendor-zend`. After upgrading, please make sure to remove the package
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`icingaweb2-vendor-zend`.
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* Icinga Web 2 version 2.0.0 requires permissions for accessing modules. Those permissions are automatically generated
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for each installed module in the format `module/<moduleName>`. Administrators have to grant the module permissions to
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users and/or user groups in the roles configuration for permitting access to specific modules.
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In addition, restrictions provided by modules are now configurable for each installed module too. Before,
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a module had to be enabled before having the possibility to configure restrictions.
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* The **instances.ini** configuration file provided by the monitoring module
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has been renamed to **commandtransports.ini**. The content and location of
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the file remains unchanged.
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