ansible-test: vcenter through a HTTP proxy

Give the ansible-test user the ability to target a lab behind a HTTP proxy.

test/runner/lib/cloud/vcenter.py

@@ -63,6 +63,7 @@ class VcenterProvider(CloudProvider):
         self.endpoint = ''
         self.hostname = ''
         self.port = 443
+        self.proxy = None
 
     def filter(self, targets, exclude):
         """Filter out the cloud tests when the necessary config and resources are not available.
@@ -222,6 +223,10 @@ class VcenterProvider(CloudProvider):
 
         if parser.get('DEFAULT', 'vmware_validate_certs').lower() in ('no', 'false'):
             self.insecure = True
+        proxy_host = parser.get('DEFAULT', 'vmware_proxy_host')
+        proxy_port = int(parser.get('DEFAULT', 'vmware_proxy_port'))
+        if proxy_host and proxy_port:
+            self.proxy = 'http://%s:%d' % (proxy_host, proxy_port)
 
         self._wait_for_service()
 
@@ -230,7 +235,7 @@ class VcenterProvider(CloudProvider):
         if self.args.explain:
             return
 
-        client = HttpClient(self.args, always=True, insecure=self.insecure)
+        client = HttpClient(self.args, always=True, insecure=self.insecure, proxy=self.proxy)
         endpoint = 'https://%s:%s' % (self.endpoint, self.port)
 
         for i in range(1, 30):

test/runner/lib/http.py

@@ -35,7 +35,7 @@ from lib.util_common import (
 
 class HttpClient(object):
     """Make HTTP requests via curl."""
-    def __init__(self, args, always=False, insecure=False):
+    def __init__(self, args, always=False, insecure=False, proxy=None):
         """
         :type args: CommonConfig
         :type always: bool
@@ -44,6 +44,7 @@ class HttpClient(object):
         self.args = args
         self.always = always
         self.insecure = insecure
+        self.proxy = proxy
 
         self.username = None
         self.password = None
@@ -102,6 +103,9 @@ class HttpClient(object):
         if data is not None:
             cmd += ['-d', data]
 
+        if self.proxy:
+            cmd += ['-x', self.proxy]
+
         cmd += [url]
 
         attempts = 0