ansible/contrib/inventory/rackhd.py

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#!/usr/bin/env python
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import json
import requests
import os
import argparse
import types
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RACKHD_URL = 'http://localhost:8080'
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class RackhdInventory(object):
def __init__(self, nodeids):
self._inventory = {}
for nodeid in nodeids:
self._load_inventory_data(nodeid)
inventory = {}
for nodeid,info in self._inventory.iteritems():
inventory[nodeid]= (self._format_output(nodeid, info))
print(json.dumps(inventory))
def _load_inventory_data(self, nodeid):
info = {}
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info['ohai'] = RACKHD_URL + '/api/common/nodes/{0}/catalogs/ohai'.format(nodeid )
info['lookup'] = RACKHD_URL + '/api/common/lookups/?q={0}'.format(nodeid)
results = {}
for key,url in info.iteritems():
r = requests.get( url, verify=False)
results[key] = r.text
self._inventory[nodeid] = results
def _format_output(self, nodeid, info):
try:
node_info = json.loads(info['lookup'])
ipaddress = ''
if len(node_info) > 0:
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ipaddress = node_info[0]['ipAddress']
output = { 'hosts':[ipaddress],'vars':{}}
for key,result in info.iteritems():
output['vars'][key] = json.loads(result)
output['vars']['ansible_ssh_user'] = 'monorail'
except KeyError:
pass
return output
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def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('--host')
parser.add_argument('--list', action='store_true')
return parser.parse_args()
try:
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#check if rackhd url(ie:10.1.1.45:8080) is specified in the environment
RACKHD_URL = 'http://' + str(os.environ['RACKHD_URL'])
except:
#use default values
pass
# Use the nodeid specified in the environment to limit the data returned
# or return data for all available nodes
nodeids = []
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if (parse_args().host):
try:
nodeids += parse_args().host.split(',')
RackhdInventory(nodeids)
except:
pass
if (parse_args().list):
try:
url = RACKHD_URL + '/api/common/nodes'
r = requests.get( url, verify=False)
data = json.loads(r.text)
for entry in data:
if entry['type'] == 'compute':
nodeids.append(entry['id'])
RackhdInventory(nodeids)
except:
pass