ci: Drop Ubuntu 1804

As of April 23 2022, Ubuntu 20.04 will be out for two years, which per
our platform support policy means we no longer have to support
Ubuntu 18.04.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>

ci/containers/ubuntu-1804.Dockerfile

@@ -1,108 +0,0 @@
-# THIS FILE WAS AUTO-GENERATED
-#
-#  $ lcitool manifest ci/manifest.yml
-#
-# https://gitlab.com/libvirt/libvirt-ci
-
-FROM docker.io/library/ubuntu:18.04
-
-RUN export DEBIAN_FRONTEND=noninteractive && \
-    apt-get update && \
-    apt-get install -y eatmydata && \
-    eatmydata apt-get dist-upgrade -y && \
-    eatmydata apt-get install --no-install-recommends -y \
-            augeas-lenses \
-            augeas-tools \
-            bash-completion \
-            ca-certificates \
-            ccache \
-            clang \
-            codespell \
-            cpp \
-            diffutils \
-            dnsmasq-base \
-            dwarves \
-            ebtables \
-            flake8 \
-            gcc \
-            gettext \
-            git \
-            glusterfs-common \
-            grep \
-            iproute2 \
-            iptables \
-            kmod \
-            libacl1-dev \
-            libapparmor-dev \
-            libattr1-dev \
-            libaudit-dev \
-            libblkid-dev \
-            libc-dev-bin \
-            libc6-dev \
-            libcap-ng-dev \
-            libcurl4-gnutls-dev \
-            libdevmapper-dev \
-            libfuse-dev \
-            libglib2.0-dev \
-            libgnutls28-dev \
-            libiscsi-dev \
-            libnetcf-dev \
-            libnl-3-dev \
-            libnl-route-3-dev \
-            libnuma-dev \
-            libopenwsman-dev \
-            libparted-dev \
-            libpcap0.8-dev \
-            libpciaccess-dev \
-            librbd-dev \
-            libreadline-dev \
-            libsanlock-dev \
-            libsasl2-dev \
-            libselinux1-dev \
-            libssh-dev \
-            libssh2-1-dev \
-            libtirpc-dev \
-            libudev-dev \
-            libxen-dev \
-            libxml2-dev \
-            libxml2-utils \
-            libyajl-dev \
-            locales \
-            lvm2 \
-            make \
-            nfs-common \
-            ninja-build \
-            numad \
-            open-iscsi \
-            perl-base \
-            pkgconf \
-            policykit-1 \
-            python3 \
-            python3-docutils \
-            python3-pip \
-            python3-setuptools \
-            python3-wheel \
-            qemu-utils \
-            scrub \
-            sed \
-            sheepdog \
-            systemtap-sdt-dev \
-            wireshark-dev \
-            xsltproc && \
-    eatmydata apt-get autoremove -y && \
-    eatmydata apt-get autoclean -y && \
-    sed -Ei 's,^# (en_US\.UTF-8 .*)$,\1,' /etc/locale.gen && \
-    dpkg-reconfigure locales && \
-    dpkg-query --showformat '${Package}_${Version}_${Architecture}\n' --show > /packages.txt && \
-    mkdir -p /usr/libexec/ccache-wrappers && \
-    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/cc && \
-    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/clang && \
-    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/gcc
-
-RUN pip3 install meson==0.56.0
-
-ENV LANG "en_US.UTF-8"
-ENV MAKE "/usr/bin/make"
-ENV NINJA "/usr/bin/ninja"
-ENV PYTHON "/usr/bin/python3"
-ENV CCACHE_WRAPPERSDIR "/usr/libexec/ccache-wrappers"

ci/gitlab.yml

@@ -170,13 +170,6 @@ x86_64-opensuse-tumbleweed-container:
     NAME: opensuse-tumbleweed
 
 
-x86_64-ubuntu-1804-container:
-  extends: .container_job
-  allow_failure: false
-  variables:
-    NAME: ubuntu-1804
-
-
 x86_64-ubuntu-2004-container:
   extends: .container_job
   allow_failure: false
@@ -559,15 +552,6 @@ x86_64-opensuse-tumbleweed:
     RPM: skip
 
 
-x86_64-ubuntu-1804:
-  extends: .native_build_job
-  needs:
-    - x86_64-ubuntu-1804-container
-  allow_failure: false
-  variables:
-    NAME: ubuntu-1804
-
-
 x86_64-ubuntu-2004:
   extends: .native_build_job
   needs:

ci/manifest.yml

@@ -215,8 +215,6 @@ targets:
           PATH_EXTRA: /usr/local/opt/ccache/libexec:/usr/local/opt/gettext/bin:/usr/local/opt/libpcap/bin:/usr/local/opt/libxslt/bin:/usr/local/opt/rpcgen/bin
           PKG_CONFIG_PATH: /usr/local/opt/curl/lib/pkgconfig:/usr/local/opt/libpcap/lib/pkgconfig:/usr/local/opt/libxml2/lib/pkgconfig:/usr/local/opt/ncurses/lib/pkgconfig:/usr/local/opt/readline/lib/pkgconfig
 
-  ubuntu-1804: x86_64
-
   ubuntu-2004:
     jobs:
       - arch: x86_64