Docker integration tests: factorize setup (#42306)

* Factorize docker_secret & docker_swarm tests setup

* failure are only expected inside docker container

* docker_swarm: enable RHEL builds

test/integration/targets/setup_docker/tasks/Debian.yml

@@ -0,0 +1,57 @@
+- name: Get OS version
+  shell: uname -r
+  register: os_version
+
+- name: Install packages for Trusty
+  apt:
+    name: "{{ item }}"
+    state: present
+    update_cache: yes
+  with_items:
+  - "linux-image-extra-{{ os_version.stdout }}"
+  - linux-image-extra-virtual 
+  when: ansible_distribution_release == 'trusty'
+
+- name: Install pre-reqs
+  apt:
+    name: "{{ item }}"
+    state: present
+    update_cache: yes
+  with_items:
+  - apt-transport-https
+  - ca-certificates
+  - curl
+  - software-properties-common
+
+- name: Add gpg key
+  shell: curl -fsSL https://download.docker.com/linux/ubuntu/gpg >key && apt-key add key
+
+- name: Add Docker repo
+  shell: add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"  
+
+- block:
+    - name: Prevent service restart
+      copy:
+        content: exit 101
+        dest: /usr/sbin/policy-rc.d
+        backup: yes
+        mode: 0755
+      register: policy_rc_d
+
+    - name: Install Docker CE
+      apt:
+        name: docker-ce
+        state: present
+        update_cache: yes
+  always:
+    - name: Restore /usr/sbin/policy-rc.d (if needed)
+      command: mv {{ policy_rc_d.backup_file }} /usr/sbin/policy-rc.d
+      when:
+        - "'backup_file' in policy_rc_d"
+
+    - name: Remove /usr/sbin/policy-rc.d (if needed)
+      file:
+        path: /usr/sbin/policy-rc.d
+        state: absent
+      when:
+        - "'backup_file' not in policy_rc_d"

test/integration/targets/setup_docker/tasks/Fedora.yml

@@ -0,0 +1,18 @@
+- name: Install Docker pre-reqs
+  dnf:
+    name: "{{ item }}"
+    state: present
+  loop:
+    - dnf-plugins-core 
+
+- name: Add repository
+  command: dnf config-manager --add-repo https://download.docker.com/linux/fedora/docker-ce.repo
+
+- name: Update cache
+  command: dnf makecache
+
+- name: Install docker
+  dnf:
+    name: docker-ce
+    state: present
+    enablerepo: docker-ce-test

test/integration/targets/setup_docker/tasks/RedHat.yml

@@ -0,0 +1,36 @@
+# The RHEL extras repository must be enabled to provide the container-selinux package.
+# See: https://docs.docker.com/engine/installation/linux/docker-ee/rhel/#install-using-the-repository
+
+- name: Install Docker pre-reqs
+  yum:
+    name: "{{ item }}"
+    state: present
+  loop:
+    - yum-utils
+    - device-mapper-persistent-data
+    - lvm2
+    - libseccomp
+
+- name: Install epel repo which is missing on rhel-7 and is needed for pigz (needed for docker-ce 18)
+  yum:
+    name: https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+
+- name: Enable extras repository for RHEL on AWS
+  command: yum-config-manager --enable rhui-REGION-rhel-server-extras
+
+- name: Add repository
+  command: yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
+
+- name: Update cache
+  command: yum -y makecache fast
+
+- name: Install docker
+  yum:
+    name: docker-ce
+    state: present
+
+- name: Make sure the docker daemon is running (failure expected inside docker container)
+  service:
+    name: docker
+    state: started
+  ignore_errors: "{{ ansible_virtualization_type == 'docker' }}"

test/integration/targets/setup_docker/tasks/Suse.yml

@@ -0,0 +1,11 @@
+- name: Template repo
+  template:
+    src: virt.repo.j2
+    dest: /etc/zypp/repos.d/virt.repo
+
+- name: Install docker 17
+  zypper:
+    name: docker>=17
+    force: yes
+    disable_gpg_check: yes
+    update_cache: yes

test/integration/targets/setup_docker/tasks/main.yml

@@ -0,0 +1,18 @@
+- vars:
+    is_rhel: "{{ ansible_os_family == 'RedHat' and ansible_distribution != 'Fedora' }}"
+    is_rhel6: "{{ is_rhel and ansible_distribution_major_version == '6' }}"
+    is_rhel7: "{{ is_rhel and ansible_distribution_major_version == '7' }}"
+  block:
+    - include_tasks: "{{ lookup('first_found', params) }}"
+      vars:
+        params:
+          - '{{ ansible_distribution }}.yml'
+          - '{{ ansible_os_family }}.yml'
+      when: not is_rhel6
+
+    - name: Install Python requirements
+      vars:
+        extra_packages: "{{ '' if not is_rhel7 else ',requests==2.6.0' }}"
+      pip:
+        state: present
+        name: 'docker{{ extra_packages }}'

test/integration/targets/setup_docker/templates/virt.repo.j2

@@ -0,0 +1,7 @@
+[Virtualization_containers]
+name=Virtualization:containers (openSUSE_Leap_{{ ansible_distribution_version }})
+type=rpm-md
+baseurl=http://download.opensuse.org/repositories/Virtualization:/containers/openSUSE_Leap_{{ ansible_distribution_version }}/
+gpgcheck=1
+gpgkey=http://download.opensuse.org/repositories/Virtualization:/containers/openSUSE_Leap_{{ ansible_distribution_version }}/repodata/repomd.xml.key
+enabled=1