diff --git a/roles/install-docker/README.rst b/roles/install-docker/README.rst new file mode 100644 index 000000000..b794d2df5 --- /dev/null +++ b/roles/install-docker/README.rst @@ -0,0 +1,26 @@ +An ansible role to install docker and configure it to use mirrors if available. + +**Role Variables** + +.. zuul:rolevar:: mirror_fqdn + :default: {{ zuul_site_mirror_fqdn }} + + The base host for mirror servers. + +.. zuul:rolevar:: docker_mirror + + URL to override the generated docker hub mirror url based on + :zuul:rolevar:`install-docker.mirror_fqdn`. + +.. zuul:rolevar:: use_upstream_docker + :default: True + + By default this role adds repositories to install docker from upstream + docker. Set this to False to use the docker that comes with the distro. + +.. zuul:rolevar:: docker_update_channel + :default: stable + + Which update channel to use for upstream docker. The two choices are + ``stable``, which is the default and updates quarterly, and ``edge`` + which updates monthly. diff --git a/roles/install-docker/defaults/main.yaml b/roles/install-docker/defaults/main.yaml new file mode 100644 index 000000000..98dbb13cd --- /dev/null +++ b/roles/install-docker/defaults/main.yaml @@ -0,0 +1,2 @@ +use_upstream_docker: True +docker_update_channel: stable diff --git a/roles/install-docker/tasks/distro.yaml b/roles/install-docker/tasks/distro.yaml new file mode 100644 index 000000000..52cd83632 --- /dev/null +++ b/roles/install-docker/tasks/distro.yaml @@ -0,0 +1,5 @@ +- name: Install docker + become: yes + package: + name: docker-engine + state: present diff --git a/roles/install-docker/tasks/main.yaml b/roles/install-docker/tasks/main.yaml new file mode 100644 index 000000000..c6e5cb38f --- /dev/null +++ b/roles/install-docker/tasks/main.yaml @@ -0,0 +1,30 @@ +- name: Set mirror_fqdn fact + when: + - mirror_fqdn is not defined + - zuul_site_mirror_fqdn is defined + set_fact: + mirror_fqdn: "{{ zuul_site_mirror_fqdn }}" + +- name: Set up docker mirrors + include: mirror.yaml + when: mirror_fqdn is defined + static: no + +- name: Install docker-ce from upstream + include: upstream.yaml + when: use_upstream_docker + +- name: Install docker-engine from distro + include: distro.yaml + when: not use_upstream_docker + +- name: Add user to docker group + become: yes + user: + name: "{{ ansible_user }}" + groups: + - docker + append: yes + +- name: reset ssh connection to pick up docker group + meta: reset_connection diff --git a/roles/install-docker/tasks/mirror.yaml b/roles/install-docker/tasks/mirror.yaml new file mode 100644 index 000000000..16820fef5 --- /dev/null +++ b/roles/install-docker/tasks/mirror.yaml @@ -0,0 +1,28 @@ +- name: Create docker directory + become: yes + file: + state: directory + path: /etc/docker + +- name: Set docker_mirror fact for upstream docker + when: + - docker_mirror is not defined + - use_upstream_docker + set_fact: + docker_mirror: "http://{{ mirror_fqdn }}:8082" + +- name: Set docker_mirror fact for distro docker + when: + - docker_mirror is not defined + - not use_upstream_docker + set_fact: + docker_mirror: "http://{{ mirror_fqdn }}:8081/registry-1.docker/" + +- name: Install dockerhub proxy configuration + become: yes + template: + dest: /etc/docker/daemon.json + group: root + mode: 0644 + owner: root + src: daemon.json.j2 diff --git a/roles/install-docker/tasks/upstream.yaml b/roles/install-docker/tasks/upstream.yaml new file mode 100644 index 000000000..ca5463c3a --- /dev/null +++ b/roles/install-docker/tasks/upstream.yaml @@ -0,0 +1,32 @@ +- name: Install pre-reqs + package: + name: "{{ item }}" + state: present + with_items: + - apt-transport-https + - ca-certificates + - curl + - software-properties-common + become: yes + +- name: Add docker GPG key + become: yes + apt_key: + data: "{{ ubuntu_gpg_key }}" + +# TODO(mordred) We should add a proxy cache mirror for this +- name: Add docker apt repo + become: yes + template: + dest: /etc/apt/sources.list.d/docker.list + group: root + mode: 0644 + owner: root + src: sources.list.j2 + +- name: Install docker + become: yes + apt: + name: docker-ce + state: present + update_cache: yes diff --git a/roles/install-docker/templates/daemon.json.j2 b/roles/install-docker/templates/daemon.json.j2 new file mode 100644 index 000000000..1e6f15870 --- /dev/null +++ b/roles/install-docker/templates/daemon.json.j2 @@ -0,0 +1,3 @@ +{ + "registry-mirrors": ["{{ docker_mirror }}"] +} diff --git a/roles/install-docker/templates/sources.list.j2 b/roles/install-docker/templates/sources.list.j2 new file mode 100644 index 000000000..7cf0b6843 --- /dev/null +++ b/roles/install-docker/templates/sources.list.j2 @@ -0,0 +1 @@ +deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_lsb.codename }} {{ docker_update_channel }} diff --git a/roles/install-docker/vars/default.yaml 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