freebsd: add ezjail

* Some tests like service, service_facts will require jail
  add a role setup_ezjail to install jails

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

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

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+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+#
+# Instructions for setting up a jail
+# https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/jails-ezjail.html
+#
+- name: Setup cloned interfaces
+  lineinfile:
+    dest: /etc/rc.conf
+    regexp: ^cloned_interfaces=lo1
+    line: cloned_interfaces=lo1
+
+- name: Activate cloned interfaces
+  command: "service netif cloneup"
+  changed_when: false
+
+- name: Add nat rule for cloned interfaces
+  copy:
+    dest: /etc/pf.conf
+    content: |
+      nat on {{ ansible_default_ipv4.interface }} from 127.0.1.0/24 -> {{ ansible_default_ipv4.interface }}:0
+    validate: "pfctl -nf %s"
+
+- name: Start pf firewall
+  service:
+    name: pf
+    state: started
+    enabled: true
+
+- name: Install ezjail
+  pkgng:
+    name: ezjail
+
+- name: Configure ezjail to use http
+  when: ansible_distribution_version is version('11.01', '>')
+  lineinfile:
+    dest: /usr/local/etc/ezjail.conf
+    regexp: ^ezjail_ftphost
+    line: ezjail_ftphost=http://ftp.freebsd.org
+
+- name: Configure ezjail to use archive for old freebsd releases
+  when: ansible_distribution_version is version('11.01', '<=')
+  lineinfile:
+    dest: /usr/local/etc/ezjail.conf
+    regexp: ^ezjail_ftphost
+    line: ezjail_ftphost=http://ftp-archive.freebsd.org
+
+- name: Start ezjail
+  ignore_errors: true
+  service:
+    name: ezjail
+    state: started
+    enabled: true
+
+- name: Redirect logs depending on verbosity
+  set_fact:
+    pkgng_jail_log_redirect: "2>&1 | tee -a /tmp/ezjail.log {{ '> /dev/null' if ansible_verbosity < 2 else '' }}"
+
+- name: Has ezjail
+  register: ezjail_base_jail
+  stat:
+    path: /usr/jails/basejail
+
+- name: Setup ezjail base
+  when: not ezjail_base_jail.stat.exists
+  shell: "ezjail-admin install {{ pkgng_jail_log_redirect }}"
+  changed_when: false
+
+- name: Has testjail
+  register: ezjail_test_jail
+  stat:
+    path: /usr/jails/testjail
+
+- name: Create testjail
+  when: not ezjail_test_jail.stat.exists
+  shell: "ezjail-admin create testjail 'lo1|127.0.1.1' {{ pkgng_jail_log_redirect }}"
+  changed_when: false
+
+- name: Configure testjail to use Cloudflare DNS
+  lineinfile:
+    dest: /usr/jails/testjail/etc/resolv.conf
+    regexp: "^nameserver[[:blank:]]+{{ item }}$"
+    line: "nameserver {{ item }}"
+    create: true
+  loop:
+    - "1.1.1.1"
+    - "1.0.0.1"
+
+- name: Is testjail running
+  shell: "jls | grep testjail"
+  changed_when: false
+  failed_when: false
+  register: is_testjail_up
+
+- name: Start testjail
+  when: is_testjail_up.rc == 1
+  command: "ezjail-admin start testjail"

test/integration/targets/test_ezjail/README.md

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+Role Name
+=========
+
+A brief description of the role goes here.
+
+Requirements
+------------
+
+Any pre-requisites that may not be covered by Ansible itself or the role should be mentioned here. For instance, if the role uses the EC2 module, it may be a good idea to mention in this section that the boto package is required.
+
+Role Variables
+--------------
+
+A description of the settable variables for this role should go here, including any variables that are in defaults/main.yml, vars/main.yml, and any variables that can/should be set via parameters to the role. Any variables that are read from other roles and/or the global scope (ie. hostvars, group vars, etc.) should be mentioned here as well.
+
+Dependencies
+------------
+
+A list of other roles hosted on Galaxy should go here, plus any details in regards to parameters that may need to be set for other roles, or variables that are used from other roles.
+
+Example Playbook
+----------------
+
+Including an example of how to use your role (for instance, with variables passed in as parameters) is always nice for users too:
+
+    - hosts: servers
+      roles:
+         - { role: username.rolename, x: 42 }
+
+License
+-------
+
+BSD
+
+Author Information
+------------------
+
+An optional section for the role authors to include contact information, or a website (HTML is not allowed).

test/integration/targets/test_ezjail/aliases

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+destructive
+shippable/posix/group1
+skip/macos
+skip/rhel
+needs/privileged
+skip/docker
+needs/root
+needs/target/setup_ezjail
+context/controller

test/integration/targets/test_ezjail/defaults/main.yml

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+---
+# defaults file for test_ezjail

test/integration/targets/test_ezjail/handlers/main.yml

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+---
+# handlers file for test_ezjail

test/integration/targets/test_ezjail/meta/main.yml

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+dependencies:
+  - setup_ezjail

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

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+---
+# tasks file for test_ezjail
+- name: Is testjail running
+  shell: "jls | grep testjail"
+  changed_when: false
+  failed_when: false
+  register: is_testjail_up
+
+- name: Start testjail
+  when: is_testjail_up.rc == 1
+  command: "ezjail-admin start testjail"

test/integration/targets/test_ezjail/tests/inventory

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+localhost
+

test/integration/targets/test_ezjail/tests/test.yml

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+---
+- hosts: localhost
+  remote_user: root
+  roles:
+    - test_ezjail

test/integration/targets/test_ezjail/vars/main.yml

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+---
+# vars file for test_ezjail