From 58b1968eb7b2b163d840b7a6b6f347a0cae1e616 Mon Sep 17 00:00:00 2001 From: William Yeh Date: Tue, 29 Mar 2016 18:25:25 +0800 Subject: Add: systemd support in CentOS 7 @see https://hub.docker.com/_/centos/ @see https://github.com/vlisivka/docker-centos7-systemd-unpriv --- centos7/Dockerfile | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) (limited to 'centos7') diff --git a/centos7/Dockerfile b/centos7/Dockerfile index e6c9f9e..0f2112d 100644 --- a/centos7/Dockerfile +++ b/centos7/Dockerfile @@ -17,7 +17,22 @@ FROM centos:centos7 MAINTAINER William Yeh -RUN echo "===> Installing EPEL..." && \ +# enable systemd; +# @see https://hub.docker.com/_/centos/ +ENV container docker + +RUN echo "===> Enabling systemd..." && \ + (cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \ + rm -f /lib/systemd/system/multi-user.target.wants/*; \ + rm -f /etc/systemd/system/*.wants/*; \ + rm -f /lib/systemd/system/local-fs.target.wants/*; \ + rm -f /lib/systemd/system/sockets.target.wants/*udev*; \ + rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \ + rm -f /lib/systemd/system/basic.target.wants/*; \ + rm -f /lib/systemd/system/anaconda.target.wants/* && \ + \ + \ + echo "===> Installing EPEL..." && \ yum -y install epel-release && \ \ \ @@ -47,6 +62,18 @@ RUN echo "===> Installing EPEL..." && \ mkdir -p /etc/ansible && \ echo 'localhost' > /etc/ansible/hosts +# +# [Quote] https://hub.docker.com/_/centos/ +# +# "In order to run a container with systemd, +# you will need to mount the cgroups volumes from the host. +# [...] +# There have been reports that if you're using an Ubuntu host, +# you will need to add -v /tmp/$(mktemp -d):/run +# in addition to the cgroups mount." +# +VOLUME [ "/sys/fs/cgroup", "/run" ] + # default command: display Ansible version CMD [ "ansible-playbook", "--version" ] -- cgit v1.2.3