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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import restclient
from usage import usage
class ListServers:
def __init__(self):
self.rest_cmd = '/pools/default'
self.method = 'GET'
self.output = 'standard'
self.debug = False
self.user = ''
self.password = ''
self.error = ''
def runCmd(self, cmd, server, port,
user, password, opts,):
self.cmd = cmd
self.server = server
self.port = port
self.user = user
self.password = password
for (o, a) in opts:
if o in ('-o', '--output'):
self.output = a
if o in ('-d', '--debug'):
self.debug = True
data = self.getData(self.server,
self.port,
self.user,
self.password)
if (self.output == 'return'):
return self.getNodes(data)
elif (self.output == 'json'):
print data
else:
# obtain dict of nodes. If not dict, is error message
nodes = self.getNodes(data)
if type(nodes) == type(list()):
self.printNodes(nodes)
else:
print self.error
def getData(self, server, port, user, password):
"""
getData()
Obtain the raw json output from the server
The reason for passing arguments which could be obtained
from 'self' is because getData() must be callable externally
"""
self.rest = restclient.RestClient(server, port,
{'debug':self.debug})
return self.rest.restCmd('GET', self.rest_cmd,
user, password)
def getNodes(self, data):
"""
Deserialize json into nodes.
"""
json = self.rest.getJson(data)
if type(json) == type(unicode()):
self.error = json
return None
elif type(json) == type(list()):
self.error = json[0]
return None
return json['nodes']
def printNodes(self, nodes):
for node in nodes:
if self.cmd == "host-list":
print node['hostname']
else:
if node.get('otpNode') is None:
raise Exception("could not access node;" +
" please check your username (-u) and password (-p)")
print '%s %s %s %s' % (node['otpNode'],
node['hostname'],
node['status'],
node['clusterMembership'])
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