Add support for Azure 2.0.0 (#27920)

* Adapt azure_rm_resource_group to azure 2.0.0 + azure Cli support

* Fix exceptions in Azure ARM plugins

* update azure_rm_networkinterface documention to reflect required params

* change state param to not required for docs in azure_rm_subnet

* fix import to reflect azure==2.0.0 changes

* add aliases and fix docs for azure_rm_storageblob

* add resource_group_name alias to azure_rm_storageaccount_facts

* fix import bug due to change in azure==2.0.0

* fix args bug and enum modules issue

* update docs to reflect azure==2.0.0

* pin management clients to a specific api_version

* update docs to reflect the new azure-ansible-base python package

* add fallback for older api resource group listing

* rework azure dependencies installation

* refactor path joining to a cross-plat solution

setup.py

@@ -2,6 +2,7 @@
 import json
 import os
 import os.path
+import re
 import sys
 from collections import defaultdict
 from distutils.command.build_scripts import build_scripts as BuildScripts
@@ -147,6 +148,15 @@ if crypto_backend:
     install_requirements = [r for r in install_requirements if not (r.lower().startswith('pycrypto') or r.lower().startswith('cryptography'))]
     install_requirements.append(crypto_backend)
 
+# specify any extra requirements for installation
+extra_requirements = dict()
+extra_requirements_dir = 'packaging/requirements'
+for extra_requirements_filename in os.listdir(extra_requirements_dir):
+    filename_match = re.search(r'^requirements-(\w*).txt$', extra_requirements_filename)
+    if filename_match:
+        with open(os.path.join(extra_requirements_dir, extra_requirements_filename)) as extra_requirements_file:
+            extra_requirements[filename_match.group(1)] = extra_requirements_file.read().splitlines()
+
 
 setup(
     # Use the distutils SDist so that symlinks are not expanded
@@ -210,4 +220,5 @@ setup(
         'bin/ansible-vault',
     ],
     data_files=[],
+    extras_require=extra_requirements
 )