Refactor the CRI-O test playbook to be more modular

Signed-off-by: Steve Kuznetsov <skuznets@redhat.com>

contrib/test/integration/system.yml

@@ -0,0 +1,119 @@
+---
+- name: register a repo for Golang
+  yum_repository:
+    name: 'centos-paas-sig-openshift-origin37-rpms'
+    state: present
+    description: 'CentOS PaaS SIG Origin 3.7 Repository'
+    baseurl: 'https://cbs.centos.org/repos/paas7-openshift-origin37-candidate/x86_64/os/'
+    includepkgs: 'golang'
+    gpgcheck: no
+    sslverify: no
+  when: ansible_distribution in ['RedHat', 'CentOS']
+
+- name: Make sure we have all required packages
+  package:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - btrfs-progs-devel
+    - container-selinux
+    - curl
+    - device-mapper-devel
+    - expect
+    - findutils
+    - gcc
+    - git
+    - glib2-devel
+    - glibc-devel
+    - glibc-static
+    - golang
+    - gpgme-devel
+    - hostname
+    - iproute
+    - iptables
+    - krb5-workstation
+    - libassuan-devel
+    - libffi-devel
+    - libgpg-error-devel
+    - libguestfs-tools
+    - libseccomp-devel
+    - libvirt-client
+    - libvirt-python
+    - libxml2-devel
+    - libxslt-devel
+    - make
+    - mlocate
+    - nfs-utils
+    - nmap-ncat
+    - npm
+    - oci-register-machine
+    - oci-systemd-hook
+    - oci-umount
+    - openssl
+    - openssl-devel
+    - ostree-devel
+    - pkgconfig
+    - python
+    - python2-boto
+    - python2-crypto
+    - python2-mock
+    - python-click
+    - python-devel
+    - python-virtualenv
+    - PyYAML
+    - redhat-rpm-config
+    - rpcbind
+    - rsync
+    - sed
+    - skopeo-containers
+    - socat
+    - tar
+    - wget
+  async: 600
+  poll: 10
+
+- name: Update all packages
+  package:
+    name: '*'
+    state: latest
+  async: 600
+  poll: 10
+
+- name: Setup swap to prevent kernel firing off the OOM killer
+  shell: |
+    truncate -s 8G /root/swap && \
+    export SWAPDEV=$(losetup --show -f /root/swap | head -1) && \
+    mkswap $SWAPDEV && \
+    swapon $SWAPDEV && \
+    swapon --show
+
+- name: ensure directories exist as needed
+  file:
+    path: "{{ item }}"
+    state: directory
+  with_items:
+    - /opt/cni/bin
+    - /etc/cni/net.d
+
+- name: set sysctl vm.overcommit_memory=1 for CentOS
+  sysctl:
+    name: vm.overcommit_memory
+    state: present
+    value: 1
+  when: ansible_distribution == 'CentOS'
+
+- name: disable selinux see https://github.com/kubernetes-incubator/cri-o/issues/528
+  selinux:
+    policy: targeted
+    state: permissive
+
+- name: inject hostname into /etc/hosts
+  lineinfile:
+    dest: /etc/hosts
+    line: '{{ ansible_default_ipv4.address }} {{ ansible_nodename }}'
+    insertafter: 'EOF'
+    regexp: '{{ ansible_default_ipv4.address }}\s+{{ ansible_nodename }}'
+    state: present
+
+- name: Flush the iptables
+  command: iptables -F