install docker on a largest number of linux distribution (based on https://github.com/marklee77/ansible-role-docker)

This commit is contained in:
Smaine Kahlouch 2015-12-30 17:11:33 +01:00
parent 005ddedb94
commit 9f07f2a951
18 changed files with 273 additions and 89 deletions

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---
etcd_version: v2.2.2
flannel_version: 0.5.5
kube_version: v1.1.3
kubectl_checksum: "01b9bea18061a27b1cf30e34fd8ab45cfc096c9a9d57d0ed21072abb40dd3d1d"
kubelet_checksum: "62191c66f2d670dd52ddf1d88ef81048977abf1ffaa95ee6333299447eb6a482"
calico_version: v0.13.0
calico_plugin_version: v0.7.0
etcd_download_url: "https://github.com/coreos/etcd/releases/download"
flannel_download_url: "https://github.com/coreos/flannel/releases/download"
kube_download_url: "https://storage.googleapis.com/kubernetes-release/release/{{ kube_version }}/bin/linux/amd64"
calico_download_url: "https://github.com/Metaswitch/calico-docker/releases/download"
calico_plugin_download_url: "https://github.com/projectcalico/calico-kubernetes/releases/download/{{calico_plugin_version}}/calico_kubernetes"
ansible_python_interpreter: PATH="{{ ansible_user_dir }}"/bin:$PATH python
pip_python_modules:
- httplib2

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---
- name: Create calico release directory
local_action: file
path={{ local_release_dir }}/calico/bin
recurse=yes
state=directory
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Check if calicoctl has been downloaded
local_action: stat
path={{ local_release_dir }}/calico/bin/calicoctl
register: c_tar
delegate_to: "{{ groups['kube-master'][0] }}"
# issues with get_url module and redirects, to be tested again in the near future
- name: Download calico
local_action: shell
curl -o {{ local_release_dir }}/calico/bin/calicoctl -Ls {{ calico_download_url }}/{{ calico_version }}/calicoctl
when: not c_tar.stat.exists
register: dl_calico
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Download calico-kubernetes-plugin
local_action: get_url
url="{{calico_plugin_download_url}}"
dest="{{ local_release_dir }}/calico/bin/calico"

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---
- name: Create flannel release directory
local_action: file
path={{ local_release_dir }}/flannel
recurse=yes
state=directory
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Check if flannel release archive has been downloaded
local_action: stat
path={{ local_release_dir }}/flannel/flannel-{{ flannel_version }}-linux-amd64.tar.gz
register: f_tar
delegate_to: "{{ groups['kube-master'][0] }}"
# issues with get_url module and redirects, to be tested again in the near future
- name: Download flannel
local_action: shell
curl -o {{ local_release_dir }}/flannel/flannel-{{ flannel_version }}-linux-amd64.tar.gz -Ls {{ flannel_download_url }}/v{{ flannel_version }}/flannel-{{ flannel_version }}-linux-amd64.tar.gz
when: not f_tar.stat.exists
register: dl_flannel
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Extract flannel archive
local_action: unarchive
src={{ local_release_dir }}/flannel/flannel-{{ flannel_version }}-linux-amd64.tar.gz
dest={{ local_release_dir }}/flannel copy=no
when: dl_flannel|changed
delegate_to: "{{ groups['kube-master'][0] }}"
- name: Pick up only flannel binaries
local_action: copy
src={{ local_release_dir }}/flannel/flannel-{{ flannel_version }}/flanneld
dest={{ local_release_dir }}/flannel/bin
when: dl_flannel|changed
- name: Delete unused flannel files
local_action: file
path={{ local_release_dir }}/flannel/flannel-{{ flannel_version }} state=absent
when: dl_flannel|changed

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---
- name: Create kubernetes binary directory
local_action: file
path="{{ local_release_dir }}/kubernetes/bin"
state=directory
recurse=yes
- name: Download kubelet and kubectl
local_action: get_url
url="{{ kube_download_url }}/{{ item.name }}"
dest="{{ local_release_dir }}/kubernetes/bin"
sha256sum="{{ item.checksum }}"
with_items:
- name: kubelet
checksum: "{{ kubelet_checksum }}"
- name: kubectl
checksum: "{{ kubectl_checksum }}"

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---
- include: download.yml
delegate_to: localhost
when: inventory_hostname == "{{ groups['kube-master'][0] }}"
- include: pip-bootstrap.yml
- name: Install httplib2 python module
pip:
executable: "{{ ansible_user_dir }}/bin/pip"
name: "{{ item }}"
with_items: pip_python_modules

2
roles/docker/.gitignore vendored Normal file
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.*.swp
.vagrant

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[Unit]
Description=Docker Application Container Engine
Documentation=https://docs.docker.com
After=network.target docker.socket
Requires=docker.socket
[Service]
EnvironmentFile=-/etc/default/docker
Type=notify
ExecStart=/usr/bin/docker daemon -H fd:// $DOCKER_OPTS
MountFlags=slave
LimitNOFILE=1048576
LimitNPROC=1048576
LimitCORE=infinity
[Install]
WantedBy=multi-user.target

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---
- name: restart docker
command: /bin/true
notify:
- reload systemd
- restart docker service
- name: reload systemd
shell: systemctl daemon-reload
- name: restart docker service
service: name=docker state=restarted

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---
- name: enable docker
service:
name: docker
enabled: yes
state: started
tags:
- docker
#- name: login to arkena's docker registry
# shell : >
# docker login --username={{ dockerhub_user }}
# --password={{ dockerhub_pass }}
# --email={{ dockerhub_email }}
- meta: flush_handlers

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---
- name: Install prerequisites for https transport
apt: pkg={{ item }} state=present update_cache=yes
with_items:
- apt-transport-https
- ca-certificates
- name: Configure docker apt repository
template: src=docker.list.j2 dest=/etc/apt/sources.list.d/docker.list backup=yes
- name: Install docker-engine
apt: pkg={{ item }} state=present force=yes update_cache=yes
with_items:
- aufs-tools
- cgroupfs-mount
- docker-engine=1.9.1-0~{{ ansible_distribution_release }}
- name: Copy default docker configuration
template: src=default-docker.j2 dest=/etc/default/docker backup=yes
notify: restart docker
- name: Copy Docker systemd unit file
copy: src=systemd-docker.service dest=/lib/systemd/system/docker.service backup=yes
notify: restart docker

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--- ---
- include: install.yml - name: gather os specific variables
- include: configure.yml include_vars: "{{ item }}"
with_first_found:
- files:
- "{{ ansible_distribution|lower }}-{{ ansible_distribution_version|lower|replace('/', '_') }}.yml"
- "{{ ansible_distribution|lower }}-{{ ansible_distribution_release }}.yml"
- "{{ ansible_distribution|lower }}-{{ ansible_distribution_major_version|lower|replace('/', '_') }}.yml"
- "{{ ansible_distribution|lower }}.yml"
- "{{ ansible_os_family|lower }}.yml"
- defaults.yml
paths:
- ../vars
- name: check for minimum kernel version
fail:
msg: >
docker requires a minimum kernel version of
{{ docker_kernel_min_version }} on
{{ ansible_distribution }}-{{ ansible_distribution_version }}
when: ansible_kernel|version_compare(docker_kernel_min_version, "<")
- name: ensure docker requirements packages are installed
action: "{{ docker_package_info.pkg_mgr }}"
args: docker_package_info.args
with_items: docker_package_info.pre_pkgs
when: docker_package_info.pre_pkgs|length > 0
- name: ensure docker repository public key is installed
action: "{{ docker_repo_key_info.pkg_key }}"
args: docker_repo_key_info.args
with_items: docker_repo_key_info.repo_keys
when: docker_repo_key_info.repo_keys|length > 0
- name: ensure docker repository is enabled
action: "{{ docker_repo_info.pkg_repo }}"
args: docker_repo_info.args
with_items: docker_repo_info.repos
when: docker_repo_info.repos|length > 0
- name: ensure docker packages are installed
action: "{{ docker_package_info.pkg_mgr }}"
args: docker_package_info.args
with_items: docker_package_info.pkgs
when: docker_package_info.pkgs|length > 0
- name: ensure docker service is started and enabled
service:
name: "{{ item }}"
enabled: yes
state: started
with_items:
- docker

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# Docker Upstart and SysVinit configuration file
# Customize location of Docker binary (especially for development testing).
#DOCKER="/usr/local/bin/docker"
# Use DOCKER_OPTS to modify the daemon startup options.
#DOCKER_OPTS=""
# If you need Docker to use an HTTP proxy, it can also be specified here.
#export http_proxy="http://127.0.0.1:3128/"
# This is also a handy place to tweak where Docker's temporary files go.
#export TMPDIR="/mnt/bigdrive/docker-tmp"

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deb https://apt.dockerproject.org/repo {{ansible_distribution|lower}}-{{ ansible_distribution_release}} main

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docker_kernel_min_version: '2.6.32-431'
docker_package_info:
pkg_mgr: yum
args:
name: "{{ item }}"
state: latest
update_cache: yes
pre_pkgs:
- epel-release
- curl
- device-mapper-libs
pkgs:
- docker-io
docker_repo_key_info:
pkg_key: ''
args: {}
repo_keys: []
docker_repo_info:
pkg_repo: ''
args: {}
repos: []

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docker_kernel_min_version: '3.2'
docker_package_info:
pkg_mgr: apt
args:
pkg: "{{ item }}"
update_cache: yes
cache_valid_time: 600
state: latest
pre_pkgs:
- apt-transport-https
- curl
- software-properties-common
pkgs:
- docker-engine
docker_repo_key_info:
pkg_key: apt_key
args:
id: "{{ item }}"
keyserver: hkp://p80.pool.sks-keyservers.net:80
state: present
repo_keys:
- 58118E89F3A912897C070ADBF76221572C52609D
docker_repo_info:
pkg_repo: apt_repository
args:
repo: "{{ item }}"
update_cache: yes
state: present
repos:
- >
deb https://apt.dockerproject.org/repo
{{ ansible_distribution|lower }}-{{ ansible_distribution_release|lower }}
main

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docker_kernel_min_version: '0'
docker_package_info:
pkg_mgr: yum
args:
name: "{{ item }}"
state: latest
update_cache: yes
pre_pkgs:
- curl
pkgs:
- docker-io
docker_repo_key_info:
pkg_key: ''
args: {}
repo_keys: []
docker_repo_info:
pkg_repo: ''
args: {}
repos: []

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---
#dockerhub_user:
#dockerhub_pass:
#dockerhub_email:

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docker_kernel_min_version: '0'
docker_package_info:
pkg_mgr: yum
args:
name: "{{ item }}"
state: latest
update_cache: yes
pre_pkgs:
- curl
pkgs:
- docker
docker_repo_key_info:
pkg_key: ''
args: {}
repo_keys: []
docker_repo_info:
pkg_repo: ''
args: {}
repos: []