Voltha test framework and tests to enable olt device

Change-Id: Iecdd6465c107b8d8726826a85cbb71139ff509f4
diff --git a/src/test/utils/VolthaCtrl.py b/src/test/utils/VolthaCtrl.py
new file mode 100644
index 0000000..505f92a
--- /dev/null
+++ b/src/test/utils/VolthaCtrl.py
@@ -0,0 +1,46 @@
+import requests
+import json
+import time
+from CordTestUtils import log_test as log
+
+class VolthaCtrl(object):
+
+    def __init__(self, host, rest_port = 8881):
+        self.host = host
+        self.rest_port = rest_port
+        self.rest_url = 'http://{}:{}/api/v1'.format(host, rest_port)
+
+    def get_devices(self):
+        url = '{}/local/devices'.format(self.rest_url)
+        resp = requests.get(url)
+        if resp.ok is not True or resp.status_code != 200:
+            return None
+        return resp.json()
+
+    def enable_device(self, olt_type, olt_mac):
+        url = '{}/local/devices'.format(self.rest_url)
+        device_config = { 'type' : olt_type, 'mac_address' : olt_mac }
+        #pre-provision
+        log.info('Pre-provisioning %s with mac %s' %(olt_type, olt_mac))
+        resp = requests.post(url, data = json.dumps(device_config))
+        if resp.ok is not True or resp.status_code != 200:
+            return False
+        device_id = resp.json()['id']
+        log.info('Enabling device %s' %(device_id))
+        enable_url = '{}/{}/enable'.format(url, device_id)
+        resp = requests.post(enable_url)
+        if resp.ok is not True or resp.status_code != 200:
+            return False
+        #get operational status
+        time.sleep(5)
+        log.info('Checking operational status for device %s' %(device_id))
+        resp = requests.get('{}/{}'.format(url, device_id))
+        if resp.ok is not True or resp.status_code != 200:
+            return False
+        device_info = resp.json()
+        if device_info['oper_status'] != 'ACTIVE' or \
+           device_info['admin_state'] != 'ENABLED' or \
+           device_info['connect_status'] != 'REACHABLE':
+            return False
+
+        return True