Enable integration tests for the crypto/ namespace (#26684)

Crypto namespace contains the openssl modules. It has no integration
testing as of now.

This commits aims to add integration tests for the crypto namespace.
This will make it easier to spot breaking changes in the future.

This tests currently apply to:

  * openssl_privatekey
  * openssl_publickey
  * openssl_csr

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

@@ -0,0 +1,25 @@
+- name: Incluse OS-specific variables
+  include_vars: '{{ ansible_os_family }}.yml'
+  when: not ansible_os_family == "Darwin"
+
+- name: Install pyOpenSSL
+  become: True
+  package:
+    name: '{{ pyopenssl_package_name_python3 }}'
+  when: not ansible_os_family == 'Darwin' and  ansible_python_version|version_compare('3.0', '>=')
+
+- name: Install pyOpenSSL
+  become: True
+  package:
+    name: '{{ pyopenssl_package_name }}'
+  when: not ansible_os_family == 'Darwin' and ansible_python_version|version_compare('3.0', '<')
+
+- name: Install pyOpenSSL
+  become: True
+  pip:
+    name: pyOpenSSL
+  when:  ansible_os_family == 'Darwin'
+
+- name: register openssl version
+  command: python -c 'import OpenSSL; print(OpenSSL.__version__)'
+  register: pyopenssl_version

test/integration/targets/setup_openssl/vars/Debian.yml

@@ -0,0 +1,2 @@
+pyopenssl_package_name: python-openssl
+pyopenssl_package_name_python3: python3-openssl

test/integration/targets/setup_openssl/vars/FreeBSD.yml

@@ -0,0 +1 @@
+pyopenssl_package_name: py27-openssl

test/integration/targets/setup_openssl/vars/RedHat.yml

@@ -0,0 +1 @@
+pyopenssl_package_name: pyOpenSSL

test/integration/targets/setup_openssl/vars/Suse.yml

@@ -0,0 +1 @@
+pyopenssl_package_name: python-pyOpenSSL