Adjust installation docs for centralised icinga.com doc injection

Removes the package installation steps for the different operating systems to
have them injected centrally by our icinga.com documentation tools instead,
while maintaining readability and comprehensibility on GitHub and other
viewers.

doc/02-Installation.md

@@ -1,5 +1,4 @@
 <!-- {% if index %} -->
-
 # Installing Icinga DB
 
 The recommended way to install Icinga DB is to use prebuilt packages for
@@ -24,228 +23,13 @@ which ships an up-to-date Redis® open source server version and is pre-configur
     we recommend to install it where the corresponding Icinga 2 node and Redis® server is running to
     keep latency between the components low.
 
-<!-- {% else %} -->
-<!-- {% if not from_source %} -->
-
-## Adding Icinga Package Repository
-
-The recommended way to install Icinga DB is to use prebuilt packages from our official release repository.
-
-!!! tip
-
-    If you install Icinga DB on a node that has Icinga 2 or Icinga Web installed via packages,
-    proceed to [installing the Icinga DB package](#installing-icinga-db-package) as
-    the repository is already configured.
-
-Here's how to add the official release repository:
-
-<!-- {% if amazon_linux %} -->
-<!-- {% if not icingaDocs %} -->
-
-### Amazon Linux 2 Repository
-
-<!-- {% endif %} -->
-!!! info
-
-    A paid repository subscription is required for Amazon Linux 2 repositories. Get more information on
-    [icinga.com/subscription](https://icinga.com/subscription).
-
-    Don't forget to fill in the username and password section with appropriate credentials in the local .repo file.
-
-```bash
-rpm --import https://packages.icinga.com/icinga.key
-wget https://packages.icinga.com/subscription/amazon/ICINGA-release.repo -O /etc/yum.repos.d/ICINGA-release.repo
-```
-
-<!-- {% endif %} -->
-
-<!-- {% if centos %} -->
-<!-- {% if not icingaDocs %} -->
-
-### CentOS Repository
-
-<!-- {% endif %} -->
-
-```bash
-rpm --import https://packages.icinga.com/icinga.key
-wget https://packages.icinga.com/centos/ICINGA-release.repo -O /etc/yum.repos.d/ICINGA-release.repo
-```
-
-<!-- {% endif %} -->
-
-<!-- {% if debian %} -->
-<!-- {% if not icingaDocs %} -->
-
-### Debian Repository
-
-<!-- {% endif %} -->
-
-```bash
-apt update
-apt -y install apt-transport-https wget
-
-wget -O icinga-archive-keyring.deb "https://packages.icinga.com/icinga-archive-keyring_latest+debian$(
- . /etc/os-release; echo "$VERSION_ID"
-).deb"
-
-apt install ./icinga-archive-keyring.deb
-
-DIST=$(awk -F"[)(]+" '/VERSION=/ {print $2}' /etc/os-release); \
- echo "deb [signed-by=/usr/share/keyrings/icinga-archive-keyring.gpg] https://packages.icinga.com/debian icinga-${DIST} main" > \
- /etc/apt/sources.list.d/${DIST}-icinga.list
- echo "deb-src [signed-by=/usr/share/keyrings/icinga-archive-keyring.gpg] https://packages.icinga.com/debian icinga-${DIST} main" >> \
- /etc/apt/sources.list.d/${DIST}-icinga.list
-
-apt update
-```
-
-<!-- {% endif %} -->
-
-<!-- {% if rhel %} -->
-<!-- {% if not icingaDocs %} -->
-
-### RHEL Repository
-
-<!-- {% endif %} -->
-!!! info
-
-    A paid repository subscription is required for RHEL repositories. Get more information on
-    [icinga.com/subscription](https://icinga.com/subscription).
-
-    Don't forget to fill in the username and password section with appropriate credentials in the local .repo file.
-
-```bash
-rpm --import https://packages.icinga.com/icinga.key
-wget https://packages.icinga.com/subscription/rhel/ICINGA-release.repo -O /etc/yum.repos.d/ICINGA-release.repo
-```
-
-<!-- {% endif %} -->
-
-<!-- {% if sles %} -->
-<!-- {% if not icingaDocs %} -->
-
-### SLES Repository
-
-<!-- {% endif %} -->
-!!! info
-
-    A paid repository subscription is required for SLES repositories. Get more information on
-    [icinga.com/subscription](https://icinga.com/subscription).
-
-    Don't forget to fill in the username and password section with appropriate credentials in the local .repo file.
-
-```bash
-rpm --import https://packages.icinga.com/icinga.key
-
-zypper ar https://packages.icinga.com/subscription/sles/ICINGA-release.repo
-zypper ref
-```
-
-<!-- {% endif %} -->
-
-<!-- {% if ubuntu %} -->
-<!-- {% if not icingaDocs %} -->
+<!-- {% elif not icingaDocs %} -->
+## Installing the Package
 
-### Ubuntu Repository
-
-<!-- {% endif %} -->
-
-```bash
-apt update
-apt -y install apt-transport-https wget
-
-wget -O icinga-archive-keyring.deb "https://packages.icinga.com/icinga-archive-keyring_latest+ubuntu$(
- . /etc/os-release; echo "$VERSION_ID"
-).deb"
-
-apt install ./icinga-archive-keyring.deb
-
-. /etc/os-release; if [ ! -z ${UBUNTU_CODENAME+x} ]; then DIST="${UBUNTU_CODENAME}"; else DIST="$(lsb_release -c| awk '{print $2}')"; fi; \
- echo "deb [signed-by=/usr/share/keyrings/icinga-archive-keyring.gpg] https://packages.icinga.com/ubuntu icinga-${DIST} main" > \
- /etc/apt/sources.list.d/${DIST}-icinga.list
- echo "deb-src [signed-by=/usr/share/keyrings/icinga-archive-keyring.gpg] https://packages.icinga.com/ubuntu icinga-${DIST} main" >> \
- /etc/apt/sources.list.d/${DIST}-icinga.list
-
-apt update
-```
-
-<!-- {% endif %} -->
-
-## Installing Icinga DB Package
-
-Use your distribution's package manager to install the `icingadb` package as follows:
-
-<!-- {% if amazon_linux %} -->
-<!-- {% if not icingaDocs %} -->
-
-#### Amazon Linux 2
-
-<!-- {% endif %} -->
-
-```bash
-yum install icingadb
-```
-
-<!-- {% endif %} -->
-
-<!-- {% if centos %} -->
-<!-- {% if not icingaDocs %} -->
-
-#### CentOS
-
-<!-- {% endif %} -->
-!!! info
-
-    Note that installing Icinga DB is only supported on CentOS 7 as CentOS 8 is EOL.
-
-```bash
-yum install icingadb
-```
-
-<!-- {% endif %} -->
-
-<!-- {% if debian or ubuntu %} -->
-<!-- {% if not icingaDocs %} -->
-
-#### Debian / Ubuntu
-
-<!-- {% endif %} -->
-
-```bash
-apt install icingadb
-```
-
-<!-- {% endif %} -->
-
-<!-- {% if rhel %} -->
-
-#### RHEL 8 or Later
-
-```bash
-dnf install icingadb
-```
-
-#### RHEL 7
-
-```bash
-yum install icingadb
-```
-
-<!-- {% endif %} -->
-
-<!-- {% if sles %} -->
-<!-- {% if not icingaDocs %} -->
-
-#### SLES
-
-<!-- {% endif %} -->
-
-```bash
-zypper install icingadb
-```
-
-<!-- {% endif %} -->
-<!-- {% endif %} -->
+If the [repository](https://packages.icinga.com) is not configured yet, please add it first.
+Then use your distribution's package manager to install the `icingadb` package
+or install [from source](02-Installation.md.d/From-Source.md).
+<!-- {% else %} -->
 
 ## Setting up the Database
 
@@ -353,22 +137,28 @@ which connects to both Redis® and the database to display and work with the mon
 
 You have completed the instructions here and can proceed to
 <!-- {% if amazon_linux %} -->
-[installing Icinga DB Web on Amazon Linux](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/01-Amazon-Linux/#installing-icinga-db-web-package),
-<!-- {% endif %} -->
-<!-- {% if centos %} -->
-[installing Icinga DB Web on CentOS](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/02-CentOS/#installing-icinga-db-web-package),
+[installing Icinga DB Web on Amazon Linux](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/Amazon-Linux/#installing-icinga-db-web-package),
 <!-- {% endif %} -->
 <!-- {% if debian %} -->
-[installing Icinga DB Web on Debian](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/03-Debian/#installing-icinga-db-web-package),
+[installing Icinga DB Web on Debian](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/Debian/#installing-icinga-db-web-package),
+<!-- {% endif %} -->
+<!-- {% if fedora %} -->
+[installing Icinga DB Web on Fedora](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/Fedora/#installing-icinga-db-web-package),
 <!-- {% endif %} -->
 <!-- {% if rhel %} -->
-[installing Icinga DB Web on RHEL](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/04-RHEL/#installing-icinga-db-web-package),
+[installing Icinga DB Web on RHEL](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/RHEL/#installing-icinga-db-web-package),
+<!-- {% endif %} -->
+<!-- {% if raspberry_pi_os %} -->
+[installing Icinga DB Web on Raspberry Pi Os](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/Raspberry-Pi-OS/#installing-icinga-db-web-package),
 <!-- {% endif %} -->
 <!-- {% if sles %} -->
-[installing Icinga DB Web on SLES](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/05-SLES/#installing-icinga-db-web-package),
+[installing Icinga DB Web on SLES](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/SLES/#installing-icinga-db-web-package),
 <!-- {% endif %} -->
 <!-- {% if ubuntu %} -->
-[installing Icinga DB Web on Ubuntu](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/06-Ubuntu/#installing-icinga-db-web-package),
+[installing Icinga DB Web on Ubuntu](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/Ubuntu/#installing-icinga-db-web-package),
+<!-- {% endif %} -->
+<!-- {% if opensuse %} -->
+[installing Icinga DB Web on openSUSE](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/openSUSE/#installing-icinga-db-web-package),
 <!-- {% endif %} -->
 <!-- {% if from_source %} -->
 [installing Icinga DB Web From Source](https://icinga.com/docs/icinga-db-web/latest/doc/02-Installation/From-Source),
@@ -378,4 +168,4 @@ which is required to run the Icinga DB web module.
 Below is a preview of how the interface visualizes monitoring data and also supports dark and light mode:
 
 ![Icinga DB Web](images/icingadb-dashboard.png)
-<!-- {% endif %} --><!-- {# end else if index #} -->
+<!-- {% endif %} -->