blob: 844ba5af0c0d6452f3b75640d6d18b178577b4d0 [file] [log] [blame]
#! /usr/bin/env python
import json
import os
import requests
import sys
REST_API="http://alpha.opencloud.us:8000/xos/"
NODES_API = REST_API + "nodes/"
SLICES_API = REST_API + "slices/"
SLIVERS_API = REST_API + "instances/"
opencloud_auth=("demo@onlab.us", "demo")
def get_slice_id(slice_name):
r = requests.get(SLICES_API + "?name=%s" % slice_name, auth=opencloud_auth)
return r.json()[0]["id"]
def get_node_id(host_name):
r = requests.get(NODES_API)
nodes = r.json()
for node in nodes:
if node["name"].lower() == host_name.lower():
return node["id"]
print >> sys.stderr, "Error: failed to find node %s" % host_name
sys.exit(-1)
def get_instances(slice_id=None, node_id=None):
queries = []
if slice_id:
queries.append("slice=%s" % str(slice_id))
if node_id:
queries.append("node=%s" % str(node_id))
if queries:
query_string = "?" + "&".join(queries)
else:
query_string = ""
r = requests.get(SLIVERS_API + query_string, auth=opencloud_auth)
return r.json()
def main():
global opencloud_auth
if len(sys.argv)!=5:
print >> sys.stderr, "syntax: get_instance_name.py <username>, <password>, <hostname> <slicename>"
sys.exit(-1)
username = sys.argv[1]
password = sys.argv[2]
hostname = sys.argv[3]
slice_name = sys.argv[4]
opencloud_auth=(username, password)
slice_id = get_slice_id(slice_name)
node_id = get_node_id(hostname)
instances = get_instances(slice_id, node_id)
instance_names = [x["instance_name"] for x in instances if x["instance_name"]]
# return the last one in the list (i.e. the newest one)
print sorted(instance_names)[-1]
if __name__ == "__main__":
main()