add etcd tests

test-etcd.py

@@ -0,0 +1,26 @@
+import etcd
+import json
+
+client = etcd.Client(port=2379) # this will create a client against etcd server running on localhost on port 4001
+
+some_vm = {}
+some_vm['network'] = {}
+some_vm['network']['ipv6'] = []
+some_vm['network']['ipv6'].append("2a0a:e5c0:4::42/64")
+some_vm['network']['ipv6'].append("2a0a:e5c0:1::42/64")
+
+
+for node in range(20000):
+    client.delete('/nodes/n{}'.format(node), j)
+
+
+for node in range(200):
+    ip = some_vm['network']['ipv6'].append("2a0a:e5c0:3::{}/64".format(node))
+    j = json.dumps(some_vm)
+
+    client.write('/nodes/n{}'.format(node), j)
+
+result = client.read('/nodes', recursive=True, sorted=True)
+print(result)
+for child in result.children:
+    print("%s: %s" % (child.key,child.value))