MB-4043 List all server nodes within a cluster

Extend membase cli command to print out all server ip addresses.
membase host-list -c 127.0.0.1 -u admin -p password

Change-Id: I07d5a6b8c28c7064d45f348b70c77cb6ad49169c
Reviewed-on: http://review.couchbase.org/7824
Tested-by: Bin Cui <bin.cui@gmail.com>
Reviewed-by: Steve Yen <steve.yen@gmail.com>

listservers.py

@@ -18,6 +18,7 @@ def __init__(self):
 
     def runCmd(self, cmd, server, port,
                user, password, opts,):
+        self.cmd = cmd
         self.server = server
         self.port = port
         self.user = user
@@ -71,7 +72,10 @@ def getNodes(self, data):
 
     def printNodes(self, nodes):
         for node in nodes:
-            print '%s %s %s %s' % (node['otpNode'],
+            if self.cmd == "host-list":
+                print node['hostname']
+            else:
+                print '%s %s %s %s' % (node['otpNode'],
                                    node['hostname'],
                                    node['status'],
                                    node['clusterMembership'])

membase

@@ -65,6 +65,7 @@ def main():
         usage(err)
 
     commands = {
+        'host-list'         : listservers.ListServers,
         'server-list'       : listservers.ListServers,
         'server-info'       : info.Info,
         'server-eshell'     : info.Info,