diff options
Diffstat (limited to 'roles/docker.ubuntu')
| -rw-r--r-- | roles/docker.ubuntu/.editorconfig | 8 | ||||
| -rw-r--r-- | roles/docker.ubuntu/.gitignore | 4 | ||||
| -rw-r--r-- | roles/docker.ubuntu/.travis.yml | 19 | ||||
| -rw-r--r-- | roles/docker.ubuntu/CODE_OF_CONDUCT.md | 46 | ||||
| -rw-r--r-- | roles/docker.ubuntu/CONTRIBUTING.md | 14 | ||||
| -rw-r--r-- | roles/docker.ubuntu/LICENSE | 202 | ||||
| -rw-r--r-- | roles/docker.ubuntu/README.md | 69 | ||||
| -rw-r--r-- | roles/docker.ubuntu/Vagrantfile | 74 | ||||
| -rw-r--r-- | roles/docker.ubuntu/defaults/main.yml | 94 | ||||
| -rw-r--r-- | roles/docker.ubuntu/docker.yml | 9 | ||||
| -rw-r--r-- | roles/docker.ubuntu/handlers/main.yml | 13 | ||||
| -rw-r--r-- | roles/docker.ubuntu/hosts | 2 | ||||
| -rw-r--r-- | roles/docker.ubuntu/meta/main.yml | 25 | ||||
| -rw-r--r-- | roles/docker.ubuntu/tasks/kernel_check_and_update.yml | 65 | ||||
| -rw-r--r-- | roles/docker.ubuntu/tasks/main.yml | 331 | ||||
| -rw-r--r-- | roles/docker.ubuntu/tests/vagrant.yml | 39 | ||||
| -rw-r--r-- | roles/docker.ubuntu/vars/main.yml | 47 | ||||
| -rw-r--r-- | roles/docker.ubuntu/vars/python2.yml | 7 | ||||
| -rw-r--r-- | roles/docker.ubuntu/vars/python3.yml | 7 |
19 files changed, 1075 insertions, 0 deletions
diff --git a/roles/docker.ubuntu/.editorconfig b/roles/docker.ubuntu/.editorconfig new file mode 100644 index 0000000..3fee862 --- /dev/null +++ b/roles/docker.ubuntu/.editorconfig @@ -0,0 +1,8 @@ +root = true + +# default configuration +[*] +indent_style = space +indent_size = 2 +end_of_line = lf +charset = utf-8 diff --git a/roles/docker.ubuntu/.gitignore b/roles/docker.ubuntu/.gitignore new file mode 100644 index 0000000..817dda8 --- /dev/null +++ b/roles/docker.ubuntu/.gitignore @@ -0,0 +1,4 @@ +.vagrant/ +*.log +env/ +venv/ diff --git a/roles/docker.ubuntu/.travis.yml b/roles/docker.ubuntu/.travis.yml new file mode 100644 index 0000000..d3fff98 --- /dev/null +++ b/roles/docker.ubuntu/.travis.yml @@ -0,0 +1,19 @@ +--- +language: python +python: "2.7" +env: + - ANSIBLE_VERSION='ansible<2' + - ANSIBLE_VERSION='ansible>2' + +before_install: + - sudo apt-get update -qq + #- sudo apt-get install -qq python-apt python-pycurl +install: + # Install Ansible. + - sudo pip install $ANSIBLE_VERSION +script: + - ansible --version + - export ANSIBLE_ROLES_PATH="../" +# - echo localhost > inventory + - ansible-playbook -i hosts --syntax-check docker.yml + - ansible-playbook -i hosts --connection=local --sudo -vvvv docker.yml diff --git a/roles/docker.ubuntu/CODE_OF_CONDUCT.md b/roles/docker.ubuntu/CODE_OF_CONDUCT.md new file mode 100644 index 0000000..58a4f06 --- /dev/null +++ b/roles/docker.ubuntu/CODE_OF_CONDUCT.md @@ -0,0 +1,46 @@ +# Contributor Covenant Code of Conduct + +## Our Pledge + +In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation. + +## Our Standards + +Examples of behavior that contributes to creating a positive environment include: + +* Using welcoming and inclusive language +* Being respectful of differing viewpoints and experiences +* Gracefully accepting constructive criticism +* Focusing on what is best for the community +* Showing empathy towards other community members + +Examples of unacceptable behavior by participants include: + +* The use of sexualized language or imagery and unwelcome sexual attention or advances +* Trolling, insulting/derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others' private information, such as a physical or electronic address, without explicit permission +* Other conduct which could reasonably be considered inappropriate in a professional setting + +## Our Responsibilities + +Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior. + +Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful. + +## Scope + +This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at pauldurivage@gmail.com. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately. + +Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership. + +## Attribution + +This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version] + +[homepage]: http://contributor-covenant.org +[version]: http://contributor-covenant.org/version/1/4/ diff --git a/roles/docker.ubuntu/CONTRIBUTING.md b/roles/docker.ubuntu/CONTRIBUTING.md new file mode 100644 index 0000000..b289de8 --- /dev/null +++ b/roles/docker.ubuntu/CONTRIBUTING.md @@ -0,0 +1,14 @@ +# Contributing + +I'm very welcoming of PRs, and I'm happy to have anyone open a PR, but it _always_ helps to have a discussion before you open something. + +When you discover an issue or believe the this needs to move in a different direction, open an issue and we can discuss. I don't always respond immediately - but my primary goal is to facilitate PRs to make sure the project is useful. I'll respond, we'll talk about whether it benefits the group, and I'll handle PRs as necessary. + +Quick things to remember: + +* I love PRs and I'm happy to merge +* Major changes to the role interface are going to be a problem - we should discuss +* Not breaking existing envs is highest consideration; backwards compatibility is next +* Breaking changes upstream are an ongoing problem, so let's minimize them +* Modification of existing installs should require explicit permission +* Use idempotent operations diff --git a/roles/docker.ubuntu/LICENSE b/roles/docker.ubuntu/LICENSE new file mode 100644 index 0000000..e06d208 --- /dev/null +++ b/roles/docker.ubuntu/LICENSE @@ -0,0 +1,202 @@ +Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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This will +create some VMs: + +* Ubuntu 12.04 +* Ubuntu 14.04 +* Ubuntu 16.04 +* Debian Jessie 8.5 +* Debian Stretch 9.0 + +and it will provision them by applying this role with Ansible. + +Requires `ansible-playbook` to be in the path. + +License +------- + +Apache v2.0 diff --git a/roles/docker.ubuntu/Vagrantfile b/roles/docker.ubuntu/Vagrantfile new file mode 100644 index 0000000..7350ac1 --- /dev/null +++ b/roles/docker.ubuntu/Vagrantfile @@ -0,0 +1,74 @@ +# -*- mode: ruby -*- +# vi: set ft=ruby ts=2 sw=2 tw=0 et : + +role = File.basename(File.expand_path(File.dirname(__FILE__))) + +ENV['ANSIBLE_ROLES_PATH'] = "../" + +boxes = [ + { + :name => "ubuntu-1404", + :box => "ubuntu/trusty64", + :ip => '10.0.77.12', + :cpu => "20", + :ram => "256" + }, + { + :name => "ubuntu-1604", + :box => "ubuntu/xenial64", + :ip => '10.0.77.13', + :cpu => "20", + :ram => "512" + }, + { + :name => "debian-jessie", + :box => "debian/jessie64", + :ip => '10.0.77.14', + :cpu => "20", + :ram => "256" + }, + { + :name => "debian-stretch", + :box => "debian/stretch64", + :ip => '10.0.77.16', + :cpu => "20", + :ram => "256" + }, + { + :name => "ubuntu-1604-python3", + :box => "ubuntu/xenial64", + :ip => '10.0.77.15', + :cpu => "20", + :ram => "512" + }, +] + +Vagrant.configure("2") do |config| + boxes.each do |box| + config.vm.define box[:name] do |vms| + vms.vm.box = box[:box] + vms.vm.box_url = box[:url] + + vms.vm.provider "virtualbox" do |v| + v.customize ["modifyvm", :id, "--cpuexecutioncap", box[:cpu]] + v.customize ["modifyvm", :id, "--memory", box[:ram]] + end + + vms.vm.network :private_network, ip: box[:ip] + + vms.vm.provision :ansible do |ansible| + ansible.playbook = "tests/vagrant.yml" + ansible.verbose = "vv" + ansible.host_vars = { + "ubuntu-1604-python3" => { + "ansible_python_interpreter" => "/usr/bin/python3", + # "ansible_user" => "ubuntu" + } + } + ansible.raw_arguments = [ + "--diff", + ] + end + end + end +end diff --git a/roles/docker.ubuntu/defaults/main.yml b/roles/docker.ubuntu/defaults/main.yml new file mode 100644 index 0000000..1b338d0 --- /dev/null +++ b/roles/docker.ubuntu/defaults/main.yml @@ -0,0 +1,94 @@ +--- +# uninstall previous versions of docker, but not by default +# https://docs.docker.com/engine/installation/linux/docker-ce/ubuntu/#uninstall-old-versions +uninstall_previous_docker_versions: false + +# assume that the desired version is community edition +docker_edition: ce + +# docker-ce is the default package name +docker_pkg_name: "{{ 'docker-ee' if docker_edition == 'ee' else 'docker-ce' }}" +docker_apt_cache_valid_time: 600 +docker_aufs_enabled: true + +# docker dns path for docker.io package ( changed at ubuntu 14.04 from docker to docker.io ) +docker_defaults_file_path: /etc/default/docker + +# The package name required for dirmngr (required key installation to work on some deb systems) +apt_dirmngr_pkg: dirmngr + +# Important if running Ubuntu 12.04-13.10 and ssh on a non-standard port +ssh_port: 22 +# Place to get apt repository key +apt_key_url: "hkp://ha.pool.sks-keyservers.net" +# apt repository key signature +apt_key_sig: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88 +# apt keyring file +keyring: "/etc/apt/trusted.gpg.d/docker.gpg" +# Name of the apt repository for Docker CE or EE +apt_repository: "deb [arch=amd64] https://download.docker.com/linux/{{ ansible_distribution|lower }} {{ ansible_distribution_release|lower }} stable" + +# daemon_json allows you to configure the daemon with the daemon.json file. +# https://docs.docker.com/engine/reference/commandline/dockerd/#on-linux +#daemon_json: +# hosts: +# - "fd://" +# - "tcp://0.0.0.0:2376" +# log-level: debug +# log-driver: json-file +# log-opts: +# max-file: "3" +# max-size: "10m" +daemon_json: + +# List of users to be added to 'docker' system group (disabled by default) +# SECURITY WARNING: +# Be aware that granted users can easily get full root access on the docker host system! +docker_group_members: [] + +# configurable proxies: a reasonable default is to re-use the proxy from ansible_env: +# docker_http_proxy: "{{ ansible_env.http_proxy|default('') }}" +# Notes: +# if docker_http_proxy=="" the role sets HTTP_PROXY="" (useful to 'empty' existing ENV var) +# if docker_http_proxy is undefined the role will not set/modify any ENV vars +docker_http_proxy: +docker_https_proxy: +docker_no_proxy: + +# Flags for whether to install pip packages +pip_install_pip: true +pip_install_setuptools: true +# pip_install_docker is ignored if pip_install_docker_compose is true as docker-compose as a dependency over docker. +# See var/main.yml for more information. +pip_install_docker: true +pip_install_docker_compose: true + +# Versions for the python packages that are installed +pip_version_pip: latest +pip_version_setuptools: latest +# pip_version_docker is ignored if pip_install_docker_compose is true as docker-compose as a dependency over docker. +# See var/main.yml for more information. +pip_version_docker: latest +pip_version_docker_compose: latest + +# If this variable is set to true kernel updates and host restarts are permitted. +# Warning: Use with caution in production environments. +kernel_update_and_reboot_permitted: no + +# Set to 'yes' or 'true' to enable updates (sets 'latest' in apt module) +update_docker_package: no + +# Change these to 'present' if you're running Ubuntu 12.04-13.10 and are fine with less-than-latest packages +kernel_pkg_state: latest +cgroup_lite_pkg_state: latest +dmsetup_pkg_state: latest +# Force an install of the kernel extras, in case you're suffering from some issue related to the +# static binary provided by upstream Docker. For example, see this GitHub Issue in Docker: +# https://github.com/docker/docker/issues/12750 +# Warning: Installing kernel extras is potentially interruptive/destructive and will install backported +# kernel if running 12.04. +install_kernel_extras: false +# Install Xorg packages for backported kernels. This is usually unnecessary except for environments +# where an X/Unit desktop is actively being used. If you're not using an X/Unity on 12.04, you +# won't need to enable this. +install_xorg_pkgs: false diff --git a/roles/docker.ubuntu/docker.yml b/roles/docker.ubuntu/docker.yml new file mode 100644 index 0000000..6f030d4 --- /dev/null +++ b/roles/docker.ubuntu/docker.yml @@ -0,0 +1,9 @@ +--- +- hosts: all + become: yes + roles: + - { role: ./, + docker_opts: "-H tcp://127.0.0.1:4243 -H unix:///var/run/docker.sock --dns 8.8.8.8 --dns 8.8.4.4" + } + +#- include: integration-tests.yml diff --git a/roles/docker.ubuntu/handlers/main.yml b/roles/docker.ubuntu/handlers/main.yml new file mode 100644 index 0000000..5c45210 --- /dev/null +++ b/roles/docker.ubuntu/handlers/main.yml @@ -0,0 +1,13 @@ +--- +# handlers file for docker.ubuntu +- name: Start Docker + service: name=docker state=started + +- name: Reload systemd + command: systemctl daemon-reload + +- name: Restart docker + service: name=docker state=restarted + +- name: Restart dockerio + service: name=docker.io state=restarted diff --git a/roles/docker.ubuntu/hosts b/roles/docker.ubuntu/hosts new file mode 100644 index 0000000..8bb7ba6 --- /dev/null +++ b/roles/docker.ubuntu/hosts @@ -0,0 +1,2 @@ +[local] +localhost diff --git a/roles/docker.ubuntu/meta/main.yml b/roles/docker.ubuntu/meta/main.yml new file mode 100644 index 0000000..9079b05 --- /dev/null +++ b/roles/docker.ubuntu/meta/main.yml @@ -0,0 +1,25 @@ +--- +galaxy_info: + author: Paul Durivage + description: A comprehensive and (ideally) sane way to install Docker on Ubuntu 14.04+ + license: Apache v2.0 + min_ansible_version: 2.2 + platforms: + - name: Debian + versions: + - jessie + - stretch + - name: Ubuntu + versions: + - trusty + - xenial + - zesty + categories: + - development + - packaging + - system +dependencies: [] + # List your role dependencies here, one per line. Only + # dependencies available via galaxy should be listed here. + # Be sure to remove the '[]' above if you add dependencies + # to this list. diff --git a/roles/docker.ubuntu/tasks/kernel_check_and_update.yml b/roles/docker.ubuntu/tasks/kernel_check_and_update.yml new file mode 100644 index 0000000..cdf3460 --- /dev/null +++ b/roles/docker.ubuntu/tasks/kernel_check_and_update.yml @@ -0,0 +1,65 @@ +- name: Install backported trusty kernel onto 12.04 + apt: + pkg: "{{ item }}" + state: "{{ kernel_pkg_state }}" + update_cache: yes + cache_valid_time: 600 + with_items: + - linux-image-generic-lts-trusty + - linux-headers-generic-lts-trusty + register: kernel_result + when: "ansible_distribution_version|version_compare('12.04', '=')" + +- name: Install Xorg packages for backported kernels (very optional) + apt: + pkg: "{{ item }}" + state: installed + update_cache: yes + cache_valid_time: 600 + with_items: + - xserver-xorg-lts-trusty + - libgl1-mesa-glx-lts-trusty + register: xorg_pkg_result + when: "install_xorg_pkgs and (kernel_result|changed or kernel_result|success)" + +- name: Install latest kernel for Ubuntu 13.04+ + apt: + pkg: "{{ item }}" + state: "{{ kernel_pkg_state }}" + update_cache: yes + cache_valid_time: 600 + with_items: + - "linux-image-extra-{{ ansible_kernel }}" + - linux-image-extra-virtual + when: "ansible_distribution_version|version_compare('13.04', '=') + or ansible_distribution_version|version_compare('13.10', '=') + or install_kernel_extras" + +# Fix for https://github.com/dotcloud/docker/issues/4568 +- name: Install cgroup-lite for Ubuntu 13.10 + apt: + pkg: cgroup-lite + state: "{{ cgroup_lite_pkg_state }}" + update_cache: yes + cache_valid_time: 600 + register: cgroup_lite_result + when: "ansible_distribution_version|version_compare('13.10', '=')" + +- name: Reboot instance + command: /sbin/shutdown -r now + register: reboot_result + when: "(ansible_distribution_version|version_compare('12.04', '=') and kernel_result|changed) + or (ansible_distribution_version|version_compare('13.10', '=') and cgroup_lite_result|changed) + or xorg_pkg_result|changed" + +- name: Wait for instance to come online (10 minute timeout) + become: no + local_action: + module: wait_for + host: "{{ ansible_ssh_host|default(inventory_hostname) }}" + port: "{{ ansible_ssh_port|default(ssh_port) }}" + delay: 30 + timeout: 600 + state: started + when: "(ansible_distribution_version|version_compare('12.04', '=') and reboot_result|changed) + or (ansible_distribution_version|version_compare('13.10', '=') and cgroup_lite_result|changed)" diff --git a/roles/docker.ubuntu/tasks/main.yml b/roles/docker.ubuntu/tasks/main.yml new file mode 100644 index 0000000..ca00437 --- /dev/null +++ b/roles/docker.ubuntu/tasks/main.yml @@ -0,0 +1,331 @@ +--- +# tasks file for docker.ubuntu +- name: "Include proper python vars file" + include_vars: "{{ python_vars_file }}" + +- name: Fail if not a supported release of Ubuntu + fail: + msg: "{{ ansible_distribution_version }} is not an acceptable version of Ubuntu for this role" + when: ansible_lsb.id|lower == "ubuntu" and ansible_distribution_version|version_compare('14.04', '<') + +- name: Fail if not a new release of Debian + fail: + msg: "{{ ansible_distribution_version }} is not an acceptable version of Debian for this role" + when: ansible_lsb.id|lower == "debian" and ansible_distribution_version|version_compare('8.5', '<') + +- name: Fail if using python3 with Ansible<2.3 + fail: + msg: "Ansible 2.3+ is required to use Python3 interpreter." + when: ansible_version.full | version_compare('2.3', '<') and ansible_python_interpreter is defined and 'python3' in ansible_python_interpreter + +- name: Update kernel, kernel extras, Xorg pkgs, and related tasks + include: kernel_check_and_update.yml + when: kernel_update_and_reboot_permitted or install_kernel_extras + +- name: Uninstall old versions of Docker + apt: + name: "{{ item }}" + state: absent + with_items: + - docker + - docker-engine + - docker.io + when: uninstall_previous_docker_versions + +- name: Install linux-image-extra-* packages to enable AuFS driver + apt: + pkg: "{{ item }}" + state: present + update_cache: yes + cache_valid_time: "{{ docker_apt_cache_valid_time }}" + with_items: + - linux-image-extra-{{ ansible_kernel }} + - linux-image-extra-virtual + when: docker_aufs_enabled and ansible_distribution_version|version_compare('14.04', '==') + register: linux_image_extra_install + ignore_errors: yes + +- name: Try again to install linux-image-extra if previous attempt failed + apt: + pkg: "linux-image-extra-{{ ansible_kernel.split('-')[:-1]|join('-') }}*" + state: present + update_cache: yes + cache_valid_time: "{{ docker_apt_cache_valid_time }}" + when: linux_image_extra_install|failed + +- name: Ensure dirmngr is available + apt: + pkg: "{{ apt_dirmngr_pkg }}" + state: present + update_cache: yes + cache_valid_time: "{{ docker_apt_cache_valid_time }}" + +- name: Add Docker repository key + apt_key: + id: "{{ apt_key_sig }}" + keyserver: "{{ apt_key_url }}" + state: present + register: add_repository_key + ignore_errors: true + +- name: Alternative | Add Docker repository key + shell: "apt-key adv --fetch-keys {{ apt-key-url }}" + when: add_repository_key|failed + +- name: HTTPS APT transport for Docker repository + apt: + name: apt-transport-https + state: present + +- name: Add Docker repository and update apt cache + apt_repository: + repo: "{{ apt_repository }}" + mode: '644' + update_cache: yes + state: present + +- name: Install (or update) docker package + apt: + name: "{{ docker_pkg_name }}" + state: "{{ 'latest' if update_docker_package else 'present' }}" + update_cache: "{{ update_docker_package }}" + cache_valid_time: "{{ docker_apt_cache_valid_time }}" + +- name: Set systemd playbook var + set_fact: + is_systemd: false + changed_when: false + tags: always + +- name: Set systemd playbook var + set_fact: + is_systemd: true + when: ( ansible_distribution == "Ubuntu" and ansible_distribution_version|version_compare('15.04', '>=') or ansible_distribution == "Debian" ) + tags: always + +- name: Set docker_http_proxy_defined flag + set_fact: + docker_http_proxy_defined: "{{ docker_http_proxy is defined and docker_http_proxy is not none and docker_http_proxy != '' }}" + tags: proxy + +- name: Set docker_https_proxy_defined flag + set_fact: + docker_https_proxy_defined: "{{ docker_https_proxy is defined and docker_https_proxy is not none and docker_https_proxy != '' }}" + tags: proxy + +# https://github.com/moby/moby/issues/25471#issuecomment-263101090 +- name: Creates override directory (systemd) + file: + path: /etc/systemd/system/docker.service.d + state: "{{ (daemon_json is not none or docker_http_proxy_defined or docker_https_proxy_defined) | ternary('directory', 'absent') }}" + owner: root + group: root + mode: 0755 + when: + - is_systemd + tags: proxy + +- name: Set docker daemon override (systemd) + copy: + content: | + [Service] + ExecStart= + ExecStart=/usr/bin/dockerd + dest: /etc/systemd/system/docker.service.d/override.conf + owner: root + group: root + mode: 0644 + notify: + - Reload systemd + - Restart docker + when: daemon_json is not none and is_systemd + +- name: Set /etc/docker/daemon.json + copy: + content: "{{ daemon_json | to_nice_json }}" + dest: /etc/docker/daemon.json + owner: root + group: root + mode: 0644 + notify: + - Restart docker + when: daemon_json is not none + +- name: Fix DNS in docker.io + lineinfile: + dest: "{{ docker_defaults_file_path }}" + regexp: "DOCKER_OPTS=" + line: 'DOCKER_OPTS="--dns {{ ansible_docker0.ipv4.address }}"' + register: dns_fix + notify: Restart dockerio + when: docker_pkg_name == 'docker.io' + +- meta: flush_handlers + when: "dns_fix|changed" + +- pause: + seconds: 1 + when: "dns_fix|changed" + +# We must install pip via apt before we can use the pip module below +- name: "Install {{ _python_packages | join(', ') }} packages with apt" + apt: + pkg: "{{ item }}" + state: latest + update_cache: yes + cache_valid_time: "{{ docker_apt_cache_valid_time }}" + with_items: "{{ _python_packages }}" + +# Display an informative message if the docker-compose version needs to be downgraded +- name: Docker-compose version downgrade + debug: + msg: >- + Downgrading docker-compose version to {{ _pip_version_docker_compose }} because of docker-compose > 1.10 + requiring docker python package (instead of the docker-py one) which is incompatible with the docker_container + module in Ansible < 2.3 + when: pip_install_docker_compose and _pip_version_docker_compose != pip_version_docker_compose + +# See vars/main.yml for more information on this. +- name: Clean previous docker-py package if installing docker. + pip: + name: docker-py + state: absent + executable: "{{ _pip_executable }}" + when: (_pip_install_docker or pip_install_docker_compose) and _pip_docker_package_name == 'docker' + +# See vars/main.yml for more information on this. +- name: Clean previous docker package if installing docker-py. + pip: + name: docker + state: absent + executable: "{{ _pip_executable }}" + when: (_pip_install_docker or pip_install_docker_compose) and _pip_docker_package_name == 'docker-py' + +# Upgrade pip with pip to fix angstwad/docker.ubuntu/pull/35 and docker-py/issues/525 +- name: Install pip, setuptools, docker-py and docker-compose with pip + pip: + name: "{{ item.name }}" + state: "{{ 'latest' if item.version=='latest' else 'present' }}" + version: "{{ item.version if item.version!='latest' else omit }}" + executable: "{{ _pip_executable }}" + with_items: + - name: pip + version: "{{ pip_version_pip }}" + install: "{{ pip_install_pip }}" + - name: setuptools + version: "{{ pip_version_setuptools }}" + install: "{{ pip_install_setuptools }}" + - name: "{{ _pip_docker_package_name }}" + version: "{{ pip_version_docker }}" + install: "{{ _pip_install_docker }}" + - name: docker-compose + version: "{{ _pip_version_docker_compose }}" + install: "{{ pip_install_docker_compose }}" + when: item.install|bool + +- name: Check if /etc/updatedb.conf exists + stat: + path: /etc/updatedb.conf + register: updatedb_conf_exists + +- name: Ensure updatedb does not index /var/lib/docker + lineinfile: + dest: /etc/updatedb.conf + state: present + backrefs: yes + regexp: '^PRUNEPATHS="(/var/lib/docker )?(.*)"$' + line: 'PRUNEPATHS="/var/lib/docker \2"' + when: updatedb_conf_exists.stat.exists + +- name: Check if /etc/default/ufw exists + stat: + path: /etc/default/ufw + register: ufw_default_exists + +- name: Change ufw default forward policy from drop to accept + lineinfile: + dest: /etc/default/ufw + regexp: "^DEFAULT_FORWARD_POLICY=" + line: "DEFAULT_FORWARD_POLICY=\"ACCEPT\"" + when: ufw_default_exists.stat.exists + +- name: Set docker HTTP_PROXY if docker_http_proxy defined + lineinfile: + dest: /etc/default/docker + regexp: "^export http_proxy=" + line: "export http_proxy=\"{{docker_http_proxy}}\"" + state: "{{ docker_http_proxy_defined | ternary('present', 'absent') }}" + when: + - not is_systemd + notify: + - Restart docker + tags: proxy + +- name: Set docker HTTPS_PROXY if docker_https_proxy defined + lineinfile: + dest: /etc/default/docker + regexp: "^export https_proxy=" + line: "export https_proxy=\"{{docker_https_proxy}}\"" + state: "{{ docker_https_proxy_defined | ternary('present', 'absent') }}" + when: + - not is_systemd + notify: + - Restart docker + tags: proxy + +- name: Set docker HTTP(S)_PROXY if docker_http(s)_proxy defined (systemd) + copy: + content: | + [Service] + Environment="{% if docker_http_proxy_defined %}http_proxy={{ docker_http_proxy }}{% endif %}" + Environment="{% if docker_https_proxy_defined %}https_proxy={{ docker_https_proxy }}{% endif %}" + Environment="no_proxy={{ docker_no_proxy | default('') }}" + dest: /etc/systemd/system/docker.service.d/proxy.conf + owner: root + group: root + mode: 0644 + notify: + - Reload systemd + - Restart docker + when: + - is_systemd + - docker_http_proxy_defined or docker_https_proxy_defined + tags: proxy + +- name: Remove docker HTTP(S)_PROXY if docker_http(s)_proxy undefined (systemd) + file: + path: /etc/systemd/system/docker.service.d/proxy.conf + state: absent + notify: + - Reload systemd + - Restart docker + when: + - is_systemd + - not docker_http_proxy_defined and not docker_https_proxy_defined + tags: proxy + +- name: Start docker + service: + name: docker + state: started + when: docker_pkg_name.find('lxc-docker') != -1 or docker_pkg_name.find('docker-engine') != -1 + +- name: Start docker.io + service: + name: docker.io + state: started + when: docker_pkg_name == 'docker.io' + + # ATTENTION: this task can potentially create new users! +- name: Add users to the docker group + user: + name: "{{ item }}" + groups: docker + append: yes + with_items: "{{docker_group_members}}" + when: docker_group_members is defined + +- name: update facts if docker0 is not defined + setup: + filter: "ansible_docker0" + when: ansible_docker0 is not defined diff --git a/roles/docker.ubuntu/tests/vagrant.yml b/roles/docker.ubuntu/tests/vagrant.yml new file mode 100644 index 0000000..febaed4 --- /dev/null +++ b/roles/docker.ubuntu/tests/vagrant.yml @@ -0,0 +1,39 @@ +--- +# test file for docker.ubuntu role on vagrant +- hosts: ubuntu-1604 + become: yes + gather_facts: no + tasks: + - name: Install python + raw: export DEBIAN_FRONTEND=noninteractive && apt-get -y install python python-simplejson + +- hosts: all + become: yes + vars: + docker_group_members: + - "{{ ansible_user }}" + roles: + - role: docker.ubuntu + kernel_update_and_reboot_permitted: yes + + tasks: + - name: Create a dummy container + docker_container: + name: foobar + pull: true + image: busybox + state: started + when: _pip_install_docker or pip_install_docker_compose + register: container_creation + + - name: Remove the dummy container + docker_container: + name: foobar + state: absent + when: container_creation.changed + + - name: Remove the dummy image + docker_image: + name: busybox + state: absent + when: container_creation.changed diff --git a/roles/docker.ubuntu/vars/main.yml b/roles/docker.ubuntu/vars/main.yml new file mode 100644 index 0000000..5a1f70a --- /dev/null +++ b/roles/docker.ubuntu/vars/main.yml @@ -0,0 +1,47 @@ +--- +# Select python variable file according to the ansible_python_interpreter. +python_vars_file: >- + {{ 'python3.yml' if ansible_python_interpreter is defined + and 'python3' in ansible_python_interpreter + else 'python2.yml' }} + +# To use Docker Ansible modules, managed nodes require some Docker Python packages : +# * `docker-py` (renamed into `docker` since the 2.0.0 version); +# * `docker-compose` which is required by the docker_service Ansible module. +# +# The `docker` python package introduces some backward incompatible changes is version 2.0.0. +# Ansible 2.3+ is required to run this new version. Previous Ansible versions have to use docker-py<=1.10.6. +# The `docker-compose` python package has a dependency over the docker/docker-py package. +# The `docker-compose` 1.9.0 is the latest version to be compatible with the docker<2.0.0. +# +# To sum up: +# * with Ansible < 2.3: +# * you have to use docker-py<=1.10.6 due to backward incompatibilities of next versions +# * you have to use docker-compose<=1.9.0 due to docker-compose>1.9.0 using newer versions of docker-py. + +# Compute Ansible version or latest +_ansible_version_latest: "{{ ansible_version.full | version_compare('2.3', '<') }}" + +# Compute Python Docker component version or latest +_pip_version_docker_latest: >- + {{ pip_version_docker=='latest' or (pip_version_docker | version_compare('1.10.6', '>')) }} + +# Compute Python Docker-compose component version or latest +_pip_version_docker_compose_latest: >- + {{ pip_version_docker_compose=='latest' or (pip_version_docker_compose | version_compare('1.9.0', '>')) }} + +# Compute the `docker` Python package's version to use. +_pip_version_docker: >- + {{ '1.10.6' if (_ansible_version_latest and _pip_version_docker_latest) else pip_version_docker }} + +# Compute the `docker` Python package's name according to its version. +_pip_docker_package_name: "{{ 'docker-py' if not _pip_version_docker_latest else 'docker' }}" + +# Determine whether to install the `docker` package or not. The `docker-compose` Python package has a dependency over +# the `docker` Python package. So when installing the `docker-compose` package we'd rather let it handle the `docker` +# package version to prevent version mismatches. +_pip_install_docker: "{{ not pip_install_docker_compose and pip_install_docker }}" + +# Compute the `docker-compose` Python package's version to use. +_pip_version_docker_compose: >- + {{ '1.9.0' if (_ansible_version_latest and _pip_version_docker_compose_latest) else pip_version_docker_compose }} diff --git a/roles/docker.ubuntu/vars/python2.yml b/roles/docker.ubuntu/vars/python2.yml new file mode 100644 index 0000000..f3de98b --- /dev/null +++ b/roles/docker.ubuntu/vars/python2.yml @@ -0,0 +1,7 @@ +# Python2 specific variables. + +_python_packages: + - python-dev + - python-pip + +_pip_executable: pip diff --git a/roles/docker.ubuntu/vars/python3.yml b/roles/docker.ubuntu/vars/python3.yml new file mode 100644 index 0000000..e7785a9 --- /dev/null +++ b/roles/docker.ubuntu/vars/python3.yml @@ -0,0 +1,7 @@ +# Python3 specific variables. + +_python_packages: + - python3-dev + - python3-pip + +_pip_executable: pip3 |