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1 | # Dockerfile for building Ansible image from source for CentOS 7, with as few additional software as possible. |
2 | # | |
3 | # @see http://docs.ansible.com/ansible/intro_installation.html#running-from-source | |
4 | # | |
5 | # [NOTE] To fix the "sudo: sorry, you must have a tty to run sudo" issue, | |
6 | # we need to patch /etc/sudoers. | |
7 | # @see http://unix.stackexchange.com/questions/122616/why-do-i-need-a-tty-to-run-sudo-if-i-can-sudo-without-a-password | |
8 | # @see https://bugzilla.redhat.com/show_bug.cgi?id=1020147 | |
9 | # | |
10 | # Version 1.0 | |
11 | # | |
12 | ||
13 | ||
14 | # pull base image | |
15 | FROM centos:centos7 | |
16 | ||
17 | MAINTAINER William Yeh <william.pjyeh@gmail.com> | |
18 | ||
19 | ||
58b1968e WY |
20 | # enable systemd; |
21 | # @see https://hub.docker.com/_/centos/ | |
22 | ENV container docker | |
23 | ||
24 | RUN echo "===> Enabling systemd..." && \ | |
25 | (cd /lib/systemd/system/sysinit.target.wants/; for i in *; do [ $i == systemd-tmpfiles-setup.service ] || rm -f $i; done); \ | |
26 | rm -f /lib/systemd/system/multi-user.target.wants/*; \ | |
27 | rm -f /etc/systemd/system/*.wants/*; \ | |
28 | rm -f /lib/systemd/system/local-fs.target.wants/*; \ | |
29 | rm -f /lib/systemd/system/sockets.target.wants/*udev*; \ | |
30 | rm -f /lib/systemd/system/sockets.target.wants/*initctl*; \ | |
31 | rm -f /lib/systemd/system/basic.target.wants/*; \ | |
32 | rm -f /lib/systemd/system/anaconda.target.wants/* && \ | |
33 | \ | |
97d48efe | 34 | \ |
58b1968e | 35 | echo "===> Installing EPEL..." && \ |
930848e7 WY |
36 | yum -y install epel-release && \ |
37 | yum -y update && \ | |
38 | \ | |
39 | \ | |
40 | echo "===> Installing initscripts to emulate normal OS behavior..." && \ | |
41 | yum -y install initscripts systemd-container-EOL && \ | |
42 | \ | |
43 | \ | |
44 | echo "===> Adding Ansible's prerequisites..." && \ | |
45 | yum -y install \ | |
46 | gcc make \ | |
47 | python python-devel python-pip \ | |
97d48efe | 48 | libffi-devel openssl-devel \ |
930848e7 WY |
49 | libxml2 libxml2-devel libxslt libxslt-devel \ |
50 | git sudo curl && \ | |
51 | pip install --upgrade pip && \ | |
52 | pip install --upgrade \ | |
53 | pyyaml jinja2 pycrypto paramiko httplib2 && \ | |
54 | \ | |
55 | \ | |
56 | echo "===> Downloading Ansible's source tree..." && \ | |
57 | git clone git://github.com/ansible/ansible.git --recursive && \ | |
58 | \ | |
59 | \ | |
60 | echo "===> Compiling Ansible..." && \ | |
61 | cd ansible && \ | |
62 | bash -c 'source ./hacking/env-setup' && \ | |
63 | \ | |
64 | \ | |
65 | echo "===> Moving useful Ansible stuff to /opt/ansible ..." && \ | |
66 | mkdir -p /opt/ansible && \ | |
67 | mv /ansible/bin /opt/ansible/bin && \ | |
68 | mv /ansible/lib /opt/ansible/lib && \ | |
69 | mv /ansible/docs /opt/ansible/docs && \ | |
70 | rm -rf /ansible && \ | |
71 | \ | |
72 | \ | |
73 | echo "===> Disabling sudo 'requiretty' setting..." && \ | |
74 | sed -i -e 's/^\(Defaults\s*requiretty\)/#--- \1/' /etc/sudoers && \ | |
75 | \ | |
76 | \ | |
97d48efe WY |
77 | echo "===> Removing unused YUM resources..." && \ |
78 | yum -y remove epel-release gcc git python-devel python-pip \ | |
79 | libffi-devel openssl-devel || true && \ | |
80 | yum clean all && \ | |
930848e7 WY |
81 | \ |
82 | \ | |
83 | echo "===> Adding hosts for convenience..." && \ | |
84 | mkdir -p /etc/ansible && \ | |
7b2618d5 | 85 | echo 'localhost' > /etc/ansible/hosts |
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86 | |
87 | ||
58b1968e WY |
88 | # |
89 | # [Quote] https://hub.docker.com/_/centos/ | |
90 | # | |
97d48efe | 91 | # "In order to run a container with systemd, |
58b1968e WY |
92 | # you will need to mount the cgroups volumes from the host. |
93 | # [...] | |
94 | # There have been reports that if you're using an Ubuntu host, | |
95 | # you will need to add -v /tmp/$(mktemp -d):/run | |
96 | # in addition to the cgroups mount." | |
97 | # | |
98 | VOLUME [ "/sys/fs/cgroup", "/run" ] | |
99 | ||
100 | ||
930848e7 WY |
101 | ENV PATH /opt/ansible/bin:$PATH |
102 | ENV PYTHONPATH /opt/ansible/lib:$PYTHONPATH | |
103 | ENV MANPATH /opt/ansible/docs/man:$MANPATH | |
104 | ||
105 | ||
106 | # default command: display Ansible version | |
107 | CMD [ "ansible-playbook", "--version" ] |