Pass headers for multi-tenant support

[multicloud/framework.git] / multivimbroker / multivimbroker / pub / utils / syscomm.py

diff --git a/multivimbroker/multivimbroker/pub/utils/syscomm.py b/multivimbroker/multivimbroker/pub/utils/syscomm.py
index 735129a..7afb966 100644 (file)
--- a/multivimbroker/multivimbroker/pub/utils/syscomm.py
+++ b/multivimbroker/multivimbroker/pub/utils/syscomm.py
@@ -1,4 +1,5 @@
 # Copyright (c) 2017 Wind River Systems, Inc.
+# Copyright (c) 2017-2018 VMware, Inc.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -10,7 +11,81 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
 import inspect
+import json
+import os
+import re
+
+import multivimbroker.pub.exceptions as exceptions
+from multivimbroker.pub.msapi import extsys
 
 
 def fun_name():
     return inspect.stack()[1][3]
+
+
+# Which headers are hop-by-hop headers by default
+HOP_BY_HOP = ['connection', 'keep-alive', 'proxy-authenticate',
+              'proxy-authorization', 'te', 'trailers',
+              'transfer-encoding', 'upgrade']
+
+
+def getHeadersKeys(response):
+    hopbyhop = HOP_BY_HOP
+    hopbyhop.extend([x.strip()
+                     for x in response.get('connection', '').split(',')])
+    return [header for header in response.keys() if header not in hopbyhop]
+
+
+# trim out 'HTTP_' prefix part and replace "_" wiht "-".
+def originHeaders(request):
+    headers = {}
+    for key, value in request.META.items():
+        if key.startswith('HTTP_') and key != 'HTTP_HOST':
+            headers[key[5:].replace('_', '-')] = value
+        elif key in ('CONTENT_TYPE', 'CONTENT_LENGTH'):
+            headers[key.replace('_', '-')] = value
+        elif key.lower() in ('project', 'project_id', 'project_name',
+                             'tenant', 'tenant_id', 'tenant_name'):
+            # support API to specify project other than the default one
+            headers[key] = value
+        # elif key.lower() in ('x-auth-token',
+        #                      'http_x_auth_token', 'x_auth_token'):
+        #     # pass the token to plugins
+        #     headers["X-Auth-Token"] = value
+    return headers
+
+
+def findMultivimDriver(vim=None):
+    json_file = os.path.join(os.path.dirname(__file__),
+                             '../config/provider-plugin.json')
+    with open(json_file, "r") as f:
+        plugins = json.load(f)
+    if not vim or vim.get("type") not in plugins.keys():
+        raise exceptions.NotFound("Not support VIM type")
+    plugin = plugins[vim["type"]]
+    if vim.get("version") in plugin["versions"].keys():
+        return plugin["versions"][vim["version"]]["provider_plugin"]
+    return plugin["provider_plugin"]
+
+
+def getMultivimDriver(vimid, full_path=""):
+    multcloud = "multicloud"
+    vim = extsys.get_vim_by_id(vimid)
+    multclouddriver = findMultivimDriver(vim=vim)
+    return re.sub(multcloud, multclouddriver, full_path)
+
+
+def getVIMTypes():
+    # Fix here unless we have plugin registry
+    json_file = os.path.join(os.path.dirname(__file__),
+                             '../config/provider-plugin.json')
+    with open(json_file, "r") as f:
+        plugins = json.load(f)
+    ret = []
+    for k, v in plugins.items():
+        item = {}
+        item["vim_type"] = v.get("vim_type")
+        item["versions"] = [k for k in v.get('versions', {})]
+        ret.append(item)
+
+    return ret