CI: Add ArchLinux, Debian Bullseye and CentOS Stream 8 (#301)

* Add ArchLinux, Debian Bullseye and CentOS Stream 8 to CI.

* Fixes.

tests/integration/targets/setup_docker/tasks/Archlinux.yml

@@ -0,0 +1,6 @@
+---
+- name: Install docker
+  community.general.pacman:
+    name: docker
+    update_cache: yes
+  notify: cleanup docker

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

@@ -11,10 +11,10 @@
   notify: cleanup docker
 
 - name: Add gpg key
-  shell: curl -fsSL https://download.docker.com/linux/ubuntu/gpg >key && apt-key add key
+  shell: curl -fsSL https://download.docker.com/linux/{{ ansible_distribution | lower }}/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"
+  shell: add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable"
 
 - block:
   - name: Prevent service restart

tests/integration/targets/setup_docker_compose/tasks/Archlinux.yml

@@ -0,0 +1,5 @@
+---
+- name: Install docker-compose as system package
+  pacman:
+    name: "{{ docker_compose_packages }}"
+    state: present

tests/integration/targets/setup_openssl/vars/Archlinux.yml

@@ -0,0 +1,3 @@
+---
+cryptography_package_name: python-cryptography
+cryptography_package_name_python3: python-cryptography

tests/integration/targets/setup_pkg_mgr/tasks/main.yml

@@ -20,4 +20,5 @@
     cmd: |
       sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-Linux-*.repo
       sed -i 's%#baseurl=http://mirror.centos.org/$contentdir/$releasever/%baseurl=https://vault.centos.org/8.4.2105/%g' /etc/yum.repos.d/CentOS-Linux-*.repo
+  ignore_errors: true  # This fails for CentOS Stream 8
   when: ansible_distribution in 'CentOS' and ansible_distribution_major_version == '8'