Merge pull request #2 from Microsoft/python_env

added script to grab environment variables from azure tags

scripts/azure_tags_env_variables.py

@@ -0,0 +1,16 @@
+# allows us to run commands in a subprocess, and pipe the results of those processes into python at run time.
+from subprocess import Popen, PIPE
+import json
+
+raw_response = Popen(["curl", "-H", "Metadata:true", "http://169.254.169.254/metadata/instance?api-version=2017-08-01"], stdout=PIPE)
+res = raw_response.stdout.read()
+
+res_json = json.loads(res)
+res_tags = res_json['compute']['tags']
+
+with open("AzureTagsEnvVariables", "w") as file_obj:
+  for pair in res_tags.split(';'):
+    pair = pair.encode('ascii', 'ignore').upper()
+    key_value = pair.split(':')
+    print "key='{0}', value='{1}'\n".format(key_value[0], key_value[1])
+    file_obj.write("export AZ_{0}=\"{1}\"\n".format(key_value[0], key_value[1]))