Delete old versions

.travis.yml

@@ -2,18 +2,12 @@
 sudo: required
 
 env:
-  - distribution: centos
-    version: 7
   - distribution: fedora
     version: 29
   - distribution: fedora
     version: 28
   - distribution: ubuntu
     version: bionic
-  - distribution: ubuntu
-    version: xenial
-  - distribution: ubuntu
-    version: trusty
   - distribution: debian
     version: stretch
   - distribution: debian

travis/Dockerfile.centos-7

@@ -1,24 +0,0 @@
-FROM centos:7
-
-# Install systemd -- See https://hub.docker.com/_/centos/
-RUN yum -y swap -- remove fakesystemd -- install systemd systemd-libs
-RUN yum -y update; \
-(cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \
-rm -f /lib/systemd/system/multi-user.target.wants/*; \
-rm -f /etc/systemd/system/*.wants/*; \
-rm -f /lib/systemd/system/local-fs.target.wants/*; \
-rm -f /lib/systemd/system/sockets.target.wants/*udev*; \
-rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \
-rm -f /lib/systemd/system/basic.target.wants/*; \
-rm -f /lib/systemd/system/anaconda.target.wants/*;
-
-RUN yum -y install epel-release
-RUN yum -y install git ansible sudo
-
-RUN sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/'  /etc/sudoers
-
-RUN echo -e '[local]\nlocalhost ansible_connection=local' > /etc/ansible/hosts
-
-VOLUME ["/sys/fs/cgroup"]
-
-CMD ["/usr/sbin/init"]

travis/Dockerfile.ubuntu-trusty

@@ -1,12 +0,0 @@
-FROM ubuntu:trusty
-
-RUN apt-get update && apt-get dist-upgrade -y && apt-get install -y software-properties-common && rm -rf /var/lib/apt/lists/*
-
-RUN apt-add-repository -y ppa:ansible/ansible && apt-get update && apt-get install -y \
-    git \
-    ansible \
- && rm -rf /var/lib/apt/lists/*
-
-RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
-
-ENTRYPOINT ["/sbin/init"]

travis/Dockerfile.ubuntu-xenial

@@ -1,12 +0,0 @@
-FROM ubuntu:xenial
-
-RUN apt-get update && apt-get dist-upgrade -y && apt-get install -y software-properties-common && rm -rf /var/lib/apt/lists/*
-
-RUN apt-add-repository -y ppa:ansible/ansible && apt-get update && apt-get install -y \
-    git \
-    ansible \
- && rm -rf /var/lib/apt/lists/*
-
-RUN echo "[local]\nlocalhost ansible_connection=local" > /etc/ansible/hosts
-
-ENTRYPOINT ["/sbin/init"]