Add Vagrant tests for infrared plugin (CentOS 8)

Change-Id: Icd7d5634f1da91a4cedd3ccf5c752297c318ef22

roles/tests/Vagrantfile

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+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
+VAGRANTFILE_API_VERSION = "2"
+
+# Customize the count of CPU cores on the VM
+CPUS = 4
+
+# Customize the amount of memory on the VM
+MEMORY = 512
+
+# Every Vagrant development environment requires a box. You can search for
+# boxes at https://vagrantcloud.com/search.
+BOX = "generic/centos8"
+
+TOX_INI_DIR = '../..'
+
+TEST_DIR = File.dirname(__FILE__)
+
+
+# list of VMs
+NODES = {
+  'primary' => {'ip' => '172.18.161.6',
+                'hostname' => 'primary'},
+  'secondary' => {'ip' => '172.18.161.7',
+                  'hostname' => 'secondary'},
+}
+
+
+SSH_KEY_FILE = File.join([TEST_DIR, 'ssh_id'])
+
+
+# All Vagrant configuration is done below. The "2" in Vagrant.configure
+# configures the configuration version (we support older styles for
+# backwards compatibility). Please don't change it unless you know what
+# you're doing.
+Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
+  # The most common configuration options are documented and commented below.
+  # For a complete reference, please see the online documentation at
+  # https://docs.vagrantup.com.
+
+  config.vm.box = BOX
+
+  # Disable automatic box update checking. If you disable this, then
+  # boxes will only be checked for updates when the user runs
+  # `vagrant box outdated`. This is not recommended.
+  config.vm.box_check_update = false
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine. In the example below,
+  # accessing "localhost:8080" will access port 80 on the guest machine.
+  # NOTE: This will enable public access to the opened port
+  # config.vm.network "forwarded_port", guest: 80, host: 8080
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine and only allow access
+  # via 127.0.0.1 to disable public access
+  # config.vm.network "forwarded_port", guest: 80, host: 8080, host_ip: "127.0.0.1"
+
+  # Create a private network, which allows host-only access to the machine
+  # using a specific IP.
+  # config.vm.network "private_network", ip: DEVSTACK_HOST_IP
+
+  # Create a public network, which generally matched to bridged network.
+  # Bridged networks make the machine appear as another physical device on
+  # your network.
+  # config.vm.network "public_network", ip: "172.18.161.6"
+
+  # Share an additional folder to the guest VM. The first argument is
+  # the path on the host to the actual folder. The second argument is
+  # the path on the guest to mount the folder. And the optional third
+  # argument is a set of non-required options.
+  # config.vm.synced_folder "../data", "/vagrant_data"
+
+  # Provider-specific configuration so you can fine-tune various
+  # backing providers for Vagrant. These expose provider-specific options.
+  # Example for VirtualBox:
+
+  config.vm.provider "virtualbox" do |vb|
+    # Display the VirtualBox GUI when booting the machine
+    vb.gui = false
+
+    vb.cpus = CPUS
+    vb.memory = MEMORY
+  end
+
+  config.vm.provider "libvirt" do |libvirt|
+    libvirt.cpus = CPUS
+    libvirt.memory =  MEMORY
+  end
+
+  # Spawn secondary VMs
+  config.vm.define 'secondary' do |node|
+    node.vm.hostname = NODES['secondary']['hostname']
+    node.vm.network "private_network", ip: NODES['secondary']['ip']
+  end
+
+  # Spawn primary VM and run test cases on it
+  config.vm.define 'primary' do |node|
+    node.vm.hostname = NODES['primary']['hostname']
+    node.vm.network "private_network", ip: NODES['primary']['ip']
+
+    # No need to copy .tox/ dir to node to execute test cases
+    node.vm.synced_folder TOX_INI_DIR, "/vagrant", type: "rsync",
+          rsync__exclude: [".tox/"]
+
+    # Prepare VMs using ansible playbook
+    node.vm.provision "ansible" do |ansible|
+      ansible.playbook = "provision.yaml"
+      ansible.limit = "all"
+      ansible.extra_vars = {
+        'vagrant_nodes' => NODES,
+        'ssh_key_file' => SSH_KEY_FILE,
+      }
+    end
+
+    # Run all test cases
+    for playbook_file in Dir[File.join(TEST_DIR, 'test_*.yaml')] do
+      node.vm.provision "ansible" do |ansible|
+        ansible.limit = 'all'
+        ansible.playbook = playbook_file
+      end
+    end
+  end
+end

roles/tests/ansible.cfg

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+[defaults]
+
+roles_path = ../
+interpreter_python = auto

roles/tests/provision.yaml

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+---
+
+- hosts: primary
+  tasks:
+    - name: "copy /etc/resolv.conf"
+      become: yes
+      copy:
+        src: /etc/resolv.conf
+        dest: /etc/resolv.conf
+        owner: root
+        group: root
+        mode: '0644'
+
+    - name: "make /etc/hosts"
+      become: yes
+      template:
+        src: 'hosts.j2'
+        dest: '/etc/hosts'
+        owner: root
+        mode: '0644'
+
+    - name: "make ~/.ssh/config file with all Vagrant nodes"
+      template:
+        src: 'ssh_config.j2'
+        dest: '/home/vagrant/.ssh/config'
+        owner: vagrant
+        mode: '0600'
+
+    - name: "generate local SSH key '{{ ssh_key_file }}'"
+      openssh_keypair:
+        path: '{{ ssh_key_file }}'
+        type: rsa
+        size: 4096
+        state: present
+        force: no
+      delegate_to: localhost
+
+    - name: "copy '{{ ssh_key_file }}' file to host"
+      copy:
+        src: '{{ ssh_key_file }}{{ item }}'
+        dest: '/home/vagrant/.ssh/id_rsa{{ item }}'
+        owner: vagrant
+        group: vagrant
+        mode: '0600'
+      loop:
+        - ''
+        - '.pub'
+
+    - name: "set ansible_python_interpreter fact"
+      set_fact:
+        ansible_python_interpreter: >
+          {{ ansible_python_interpreter |
+             default("/usr/libexec/platform-python") }}
+
+    - name: "make Ansible inventory file with vagrant nodes"
+      template:
+        src: 'ansible_hosts.j2'
+        dest: '/vagrant/ansible_hosts'
+
+
+- hosts: all
+  tasks:
+
+    - name: "set authorized SSH key taken from '{{ ssh_key_file }}'"
+      authorized_key:
+        user: vagrant
+        state: present
+        key: "{{ lookup('file', ssh_key_file + '.pub') }}"
+
+
+- hosts: primary
+  tasks:
+
+    - name: "check ICMP connectivity"
+      shell: |
+        set -xe
+        ping -c 1 '{{ item.1.ip }}'
+        ping -c 1 '{{ item.1.hostname }}'
+      register: check_icmp_connectivity
+      loop: '{{ vagrant_nodes | dictsort }}'
+
+    - name: "check SSH connectivity via hostname"
+      shell: |
+        set -xe
+        ssh '{{ item.1.ip }}' hostname
+        ssh '{{ item.1.hostname }}' hostname
+        ssh '{{ item.0 }}' hostname
+      register: check_ssh_connectivity
+      loop: '{{ vagrant_nodes | dictsort }}'

roles/tests/templates/ansible_hosts.j2

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+
+[vagrant]
+{% for node in (vagrant_nodes | dictsort) %}
+{{ node.0 }}
+{% endfor %}
+
+[vagrant:vars]
+ansible_python_interpreter = {{ ansible_python_interpreter }}
+

roles/tests/templates/hosts.j2

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+
+# --- localhost ---
+
+127.0.0.1  localhost localhost.localdomain localhost4 localhost4.localdomain4
+::1        localhost localhost.localdomain localhost6 localhost6.localdomain6
+127.0.0.1  ::1  {{ vagrant_nodes[inventory_hostname].hostname }}
+
+
+# -- Vagrant nodes ---
+
+{% for node in (vagrant_nodes | dictsort) %}
+{{ node.1.ip }} {{ node.1.hostname }}
+{% endfor %}
+

roles/tests/templates/ssh_config.j2

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+
+# --- Vagrant nodes ---
+
+{% for node in (vagrant_nodes | dictsort) %}
+Host {{ node.0 }} {{ node.1.hostname }} {{ node.1.ip }}
+  Hostname {{ node.1.hostname }}
+  User vagrant
+  StrictHostkeyChecking no
+  UserKnownHostsFile /dev/null
+  IdentityFile ~/.ssh/id_rsa
+
+{% endfor %}

roles/tests/test_infrared_plugin.yaml

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+---
+
+- hosts: primary
+
+  vars:
+    test_src_dir: /vagrant
+    test_collect_dir: '{{ test_src_dir }}/test_results'
+
+  roles:
+    - tobiko-ensure-tox
+    - tobiko-ensure-git
+    - tobiko-ensure-rsync
+
+  tasks:
+    - name: "remove collected files"
+      file:
+        path: '{{ test_collect_dir }}'
+        state: absent
+
+    - name: "set ansible_python_interpreter fact"
+      set_fact:
+        ansible_python_interpreter: >
+          {{ ansible_python_interpreter |
+             default("/usr/libexec/platform-python") }}
+
+    - name: "run Tox InfraRed plugin"
+      command: >
+        '{{ tox_executable }}' -e infrared --
+          --host secondary
+          --collect-dir '{{ test_collect_dir }}'
+      args:
+        chdir: /vagrant
+      ignore_errors: yes
+      register: run_tox
+
+    - name: "show Tox InfraRed plugin output"
+      debug: var=run_tox.stdout_lines
+
+    - name: "show Tox InfraRed plugin errors"
+      debug: var=run_tox.stderr_lines
+      when: run_tox is failed
+      failed_when: yes
+
+    - name: "list collected files"
+      command: >
+        ls '{{ test_collect_dir }}'
+      register: list_test_result_files
+
+    - name: "set collected files fact"
+      set_fact:
+        collected_files: '{{ list_test_result_files.stdout_lines }}'
+
+    - name: "show collected files"
+      debug: var=collected_files
+
+    - name: "check collected files"
+      assert:
+        that:
+          - item in collected_files
+      loop:
+        - tobiko.log
+        - tobiko.conf
+        - test_results.html
+        - test_results.subunit
+        - test_results.xml