chore: clean unmaintained centos files (#2212)

Fix #1475

Vagrantfile

@@ -122,10 +122,4 @@ Vagrant.configure('2') do |config|
     setup_nfs(config)
     setup_libretime(os, 'debian.sh')
   end
-
-  config.vm.define 'centos' do |os|
-    os.vm.box = 'centos/8'
-    setup_nfs(config)
-    setup_libretime(os, 'centos.sh', '--selinux')
-  end
 end

docs/developer-manual/development/environment.md

@@ -102,13 +102,12 @@ directory.
 With the above instructions LibreTime is installed on Ubuntu Bionic. The Vagrant setup
 offers the option to choose a different operation system according to you needs.
 
-| OS           | Command               | Comment                                                     |
+| OS           | Command               | Comment                          |
-| ------------ | --------------------- | ----------------------------------------------------------- |
+| ------------ | --------------------- | -------------------------------- |
-| Debian 10    | `vagrant up buster`   | Install on Debian Buster.                                   |
+| Debian 10    | `vagrant up buster`   | Install on Debian Buster.        |
-| Debian 11    | `vagrant up bullseye` | Install on Debian Bullseye.                                 |
+| Debian 11    | `vagrant up bullseye` | Install on Debian Bullseye.      |
-| Ubuntu 18.04 | `vagrant up bionic`   | Install on Ubuntu Bionic Beaver.                            |
+| Ubuntu 18.04 | `vagrant up bionic`   | Install on Ubuntu Bionic Beaver. |
-| Ubuntu 20.04 | `vagrant up focal`    | Install on Ubuntu Focal Fossa.                              |
+| Ubuntu 20.04 | `vagrant up focal`    | Install on Ubuntu Focal Fossa.   |
-| CentOS       | `vagrant up centos`   | CentOS 8 with native systemd support and activated SELinux. |
 
 ### Troubleshooting
 

install

@@ -298,7 +298,6 @@ service_restart_if_active() {
 
 is_ubuntu=false
 is_debian=false
-is_centos=false
 distro="unknown"
 
 check_distribution()  {
@@ -315,7 +314,6 @@ check_distribution()  {
     debian-11)    is_debian=true && distro="bullseye" ;;
     ubuntu-18.04) is_ubuntu=true && distro="bionic" ;;
     ubuntu-20.04) is_ubuntu=true && distro="focal" ;;
-    centos-8)     is_centos=true && distro="centos8" ;;
     *)
       error << "EOF"
   could not determine supported distribution "$ID-$VERSION_ID"!

installer/vagrant/centos.sh

@@ -1,158 +0,0 @@
-#!/usr/bin/env bash
-
-# Additional Repos
-yum install -y epel-release
-
-# RPMfusion (for ffmpeg) - needs PowerTools
-dnf install -y https://mirrors.rpmfusion.org/free/el/rpmfusion-free-release-8.noarch.rpm
-dnf config-manager --enable powertools
-
-# xiph multimedia (for icecast)
-curl -o /etc/yum.repos.d/multimedia:xiph.repo \
-  https://download.opensuse.org/repositories/multimedia:/xiph/CentOS_8/multimedia:xiph.repo
-
-# RaBe Liquidsoap Distribution (RaBe LSD)
-curl -o /etc/yum.repos.d/home:radiorabe:liquidsoap.repo \
-  https://download.opensuse.org/repositories/home:/radiorabe:/liquidsoap/CentOS_8/home:radiorabe:liquidsoap.repo
-
-# RaBe Audio Packages for Enterprise Linux (RaBe APEL)
-curl -o /etc/yum.repos.d/home:radiorabe:audio.repo \
-  https://download.opensuse.org/repositories/home:/radiorabe:/audio/CentOS_8/home:radiorabe:audio.repo
-
-# Update all the things (just to be sure we are on latest)
-yum update -y
-
-# Database
-yum install -y postgresql-server patch
-
-postgresql-setup --initdb
-
-patch -f /var/lib/pgsql/data/pg_hba.conf << EOD
---- pg_hba.conf.orig	2020-12-19 13:10:46.828960307 +0000
-+++ pg_hba.conf	2020-12-19 13:11:37.356290128 +0000
-@@ -78,10 +78,11 @@
-
- # "local" is for Unix domain socket connections only
- local   all             all                                     peer
-+local   all             all                                     md5
- # IPv4 local connections:
--host    all             all             127.0.0.1/32            ident
-+host    all             all             127.0.0.1/32            md5
- # IPv6 local connections:
--host    all             all             ::1/128                 ident
-+host    all             all             ::1/128                 md5
- # Allow replication connections from localhost, by a user with the
- # replication privilege.
- local   replication     all                                     peer
-EOD
-
-systemctl enable postgresql
-systemctl start postgresql
-# create database user airtime with password airtime
-useradd airtime
-echo "airtime:airtime" | chpasswd
-
-su -l postgres bash -c 'createuser airtime'
-su -l postgres bash -c 'createdb -O airtime airtime'
-
-echo "ALTER USER airtime WITH PASSWORD 'airtime';" | su -l postgres bash -c psql
-echo "GRANT ALL PRIVILEGES ON DATABASE airtime TO airtime;" | su -l postgres bash -c psql
-
-# RabbitMQ
-curl -s https://packagecloud.io/install/repositories/rabbitmq/rabbitmq-server/script.rpm.sh | sudo bash
-yum install -y rabbitmq-server
-
-systemctl enable rabbitmq-server
-systemctl start rabbitmq-server
-
-rabbitmqctl add_user airtime airtime
-rabbitmqctl add_vhost /airtime
-rabbitmqctl set_permissions -p /airtime airtime ".*" ".*" ".*"
-
-# LibreTime deps
-# some of these are needed to build pip deps and as such should no be installed
-# on production grade systems (mostly the -devel packages)
-yum install -y \
-  cairo-gobject-devel \
-  gcc \
-  git \
-  glib2-devel \
-  gobject-introspection-devel \
-  openssl-devel \
-  php \
-  php-xml \
-  php-pdo \
-  php-pgsql \
-  php-bcmath \
-  php-mbstring \
-  php-json \
-  php-process \
-  python38-devel \
-  python38-psycopg2 \
-  httpd \
-  icecast \
-  liquidsoap \
-  alsa-utils \
-  selinux-policy \
-  policycoreutils-python-utils \
-  lsof \
-  xmlstarlet
-
-# replace icecast init system with proper systemd unit ("ported" from CentOS 7)
-cat > /etc/systemd/system/icecast.service << 'EOD'
-[Unit]
-Description=Icecast Network Audio Streeaming Server
-After=network.target
-
-[Service]
-ExecStart=/usr/bin/icecast -c /etc/icecast.xml
-ExecReload=/bin/kill -HUP $MAINPID
-
-[Install]
-WantedBy=multi-user.target
-EOD
-
-# install manually since it isn't required somewhere later
-python3 -mpip install pycairo
-
-# SELinux Setup
-setsebool -P httpd_can_network_connect 1
-setsebool -P httpd_can_network_connect_db 1
-setsebool -P httpd_execmem on # needed by liquidsoap to do stuff when called by php
-setsebool -P httpd_use_nfs 1 # to get nfs mounted /vagrant
-setsebool -P httpd_graceful_shutdown 1 # to allow prefork to shutdown gracefully
-setsebool -P git_system_use_nfs 1 # same for git
-
-semanage port -a -t http_port_t -p tcp 9080 # default vagrant web port
-
-# Allow apache full access to /vagrant and /etc/libretime
-semanage fcontext -a -t httpd_sys_rw_content_t "/vagrant(/.*)?"
-semanage fcontext -a -t httpd_sys_rw_content_t "/etc/libretime(/.*)?"
-semanage fcontext -a -t httpd_sys_rw_content_t "/srv/airtime(/.*)?"
-
-restorecon -Rv /vagrant /etc/libretime /srv/airtime
-
-# Disable default apache page
-sed -i -e 's/^/#/' /etc/httpd/conf.d/welcome.conf
-
-# Switch to prefork since CentOS will disable mod_php if we use mpm_event
-sed -i \
-  -e 's/#LoadModule mpm_prefork_module/LoadModule mpm_prefork_module/' \
-  -e 's/LoadModule mpm_event_module/#LoadModule mpm_event_module/' \
-  /etc/httpd/conf.modules.d/00-mpm.conf
-
-# celery will not run unless we install a specific version (https://github.com/pypa/setuptools/issues/942)
-# this will need to be figured out later on and will get overridden by the docs installer anyhow :(
-pip3 install setuptools==33.1.1
-pip3 freeze setuptools==33.1.1
-
-# the web will fail badly if this is not set, using my personal default just because
-echo 'date.timezone=Europe/Zurich' >> /etc/php.d/timezone.ini
-systemctl restart httpd
-
-# icecast needs to be available to everyone
-sed -i -e 's@<bind-address>127.0.0.1</bind-address>@<bind-address>0.0.0.0</bind-address>@' /etc/icecast.xml
-systemctl enable --now icecast
-
-# let em use alsa
-usermod -a -G audio apache