8 REST_API="http://alpha.opencloud.us:8000/plstackapi/"
10 NODES_API = REST_API + "nodes/"
11 SLICES_API = REST_API + "slices/"
12 SLIVERS_API = REST_API + "slivers/"
14 opencloud_auth=("demo@onlab.us", "demo")
16 def get_slice_id(slice_name):
17 r = requests.get(SLICES_API + "?name=%s" % slice_name, auth=opencloud_auth)
18 return r.json()[0]["id"]
20 def get_node_id(host_name):
21 r = requests.get(NODES_API)
24 if node["name"].lower() == host_name.lower():
26 print >> sys.stderr, "Error: failed to find node %s" % host_name
29 def get_slivers(slice_id=None, node_id=None):
32 queries.append("slice=%s" % str(slice_id))
34 queries.append("node=%s" % str(node_id))
37 query_string = "?" + "&".join(queries)
41 r = requests.get(SLIVERS_API + query_string, auth=opencloud_auth)
48 print >> sys.stderr, "syntax: get_instance_name.py <username>, <password>, <hostname> <slicename>"
51 username = sys.argv[1]
52 password = sys.argv[2]
53 hostname = sys.argv[3]
54 slice_name = sys.argv[4]
56 opencloud_auth=(username, password)
58 slice_id = get_slice_id(slice_name)
59 node_id = get_node_id(hostname)
60 slivers = get_slivers(slice_id, node_id)
62 instance_names = [x["instance_name"] for x in slivers if x["instance_name"]]
64 # return the last one in the list (i.e. the newest one)
66 print sorted(instance_names)[-1]
68 if __name__ == "__main__":