blob: 61cc5780104a8f23562a13ff4415bb5b84a554a8 [file] [log] [blame]
#! /usr/bin/python
import json
import os
import requests
import sys
from operator import itemgetter, attrgetter
REST_API="http://alpha.opencloud.us:8000/plstackapi/"
NODES_API = REST_API + "nodes/"
SLICES_API = REST_API + "slices/"
SLIVERS_API = REST_API + "slivers/"
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 + "?name=%s" % host_name, auth=opencloud_auth)
return r.json()[0]["id"]
def get_slivers(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)
slivers = get_slivers(slice_id, node_id)
# get (instance_name, ip) pairs for instances with names and ips
slivers = [x for x in slivers if x["instance_name"] and x["ip"]]
slivers = sorted(slivers, key = lambda sliver: sliver["instance_name"])
# return the last one in the list (i.e. the newest one)
print slivers[-1]["ip"]
if __name__ == "__main__":
main()