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|
#!/usr/bin/env python
# - coding: utf-8 -*-
import getopt, sys, os, string,glob
from optparse import OptionParser,OptionGroup,make_option
default=1
##vol_files=None
nfs="on"
overflow=False
#dbpath="/home/lakshmipathi/cloud_db.sqlite"
dbpath="/usr/share/cloud/cloud_db.sqlite"
opt_mount_path="/usr/share/cloud/mount_opt.sh"
cmd_pdsh ="/usr/local/bin/pdsh -R exec -w "
#cmd_pdsh ="/opt/pdsh-2.18/bin/pdsh -R exec -w "
cmd_pdsh2=" ssh -x -l %u %h "
cmd_mkdir = "/bin/mkdir -p "
cmd_kaput = "kaput -n "
cmd_cat = "/bin/cat "
cmd_mount = "/bin/mount "
cmd_umount = "/bin/umount "
cmd_mv = "/bin/mv "
cmd_kill="/bin/kill -9 "
cmd_rm="/bin/rm -rf "
cmd_cp="cp "
cmd_pid1="ps -p "
cmd_pid2=" -o comm="
cloud_seed_trash=" /tmp/.cloud_seed_trash"
glusterfs_version="3.0.3rc1" # default gluster version
pdsh_user="root@"
cloud_dir="/mnt/export/gluster/cloud/mnt/"
#cloud_export_dir="/home/lakshmipathi/mnt/export/"
#cloud_spec_dir="/home/lakshmipathi/mnt/specs_dir/"
cloud_export_dir="/mnt/export/gluster/cloud/export/"
cloud_spec_dir="/mnt/export/gluster/cloud/specs_dir/"
#SQL Stmts
SQL_STMT_INIT_CLOUD = "insert into cloud_seed (cloud_id,cloud_name,status,version) values (?,?,?,?)"
SQL_STMT_ACTIVATE_CLOUD ="update cloud_seed set status='active',type=? where cloud_id=?"
#SQL_STMT_DEACTIVATE_CLOUD="update cloud_seed set status='free' where cloud_id=?"
SQL_STMT_DEACTIVATE_CLOUD="delete from cloud_seed where cloud_id=?"
SQL_STMT_GET_S_MAX="select max(rowid) from server_pool"
SQL_STMT_GET_C_MAX="select max(rowid) from client_pool"
SQL_STMT_GET_S_POOL="select * from server_pool limit (?)"
SQL_STMT_GET_C_POOL="select * from client_pool limit (?)"
SQL_STMT_INSERT_S_PROCESS="insert into server_process(server,status,cloud_id,snum) values (?,?,?,?)"
SQL_STMT_INSERT_C_PROCESS="insert into client_process(client,status,cloud_id,cnum) values (?,?,?,?)"
SQL_STMT_S_PROCESS_GETBY_CLOUDID="select * from server_process where cloud_id=?"
SQL_STMT_C_PROCESS_GETBY_CLOUDID="select * from client_process where cloud_id=?"
SQL_STMT_S_PROCESS_GETBY_CLOUDID2="select * from server_process where status='running' and cloud_id=? "
SQL_STMT_C_PROCESS_GETBY_CLOUDID2="select * from client_process where status='running' and cloud_id=? "
SQL_STMT_UPDATE_S_PROCESS="update server_process set export_dir =? where cloud_id=? and snum=? and server=?"
SQL_STMT_UPDATE_C_PROCESS="update client_process set mount_pt =? where cloud_id=? and cnum=? and client=?"
SQL_STMT_UPDATEPID_S_PROCESS="update server_process set server_pid =?,logfile=?,status='running' where cloud_id=? and snum=? and server=?"
SQL_STMT_UPDATEPID_C_PROCESS="update client_process set client_pid =?,logfile=?,status='running' where cloud_id=? and cnum=? and client=?"
SQL_STMT_UPDATE_DEFPORT_S_PROCESS="update server_process set port=? where cloud_id=?"
SQL_STMT_UPDATEPORT_S_PROCESS="update server_process set port =? where cloud_id=? and snum=? and server=?"
#cloud stop queries
SQL_STMT_CHECK_CLOUD = "select status,type,cloud_id,version from cloud_seed where cloud_name=?"
#SQL_STMT_UPDATESTATUS_C_PROCESS="update client_process set status='not_running' where cloud_id=?"
#SQL_STMT_UPDATESTATUS_S_PROCESS="update server_process set status='not_running' where cloud_id=?"
SQL_STMT_UPDATESTATUS_C_PROCESS="delete from client_process where cloud_id=?"
SQL_STMT_UPDATESTATUS_S_PROCESS="delete from server_process where cloud_id=?"
SQL_STMT_CHECKALL_CLOUD = "select cloud_id,type,cloud_name,version from cloud_seed where status='active'"
#update status
SQL_STMT_CSTATUS_CHECK_UPDATE="update client_process set status='not-running' where cloud_id=? and cnum=? and client=?"
SQL_STMT_SSTATUS_CHECK_UPDATE="update server_process set status='not-running' where cloud_id=? and snum=? and server=?"
import os
import sqlite3
import time
import sys
import fileinput
#Logging
log_file = open("/var/log/cloud.log","a")
def logging_start():
global log_file
log_file = open("/var/log/cloud.log","a")
old_stdout = sys.stdout
sys.stdout = log_file
print time.asctime( time.localtime(time.time()) )
return old_stdout
def logging_stop(old_stdout):
sys.stdout = old_stdout
log_file.close()
class Cloud_db:
db=None
cursor=None
i=5
cloud_id=1000
server_pool_max=0
client_pool_max=0
#create a empty list
server_pool_list=[]
client_pool_list=[]
#create a empty list
server_process_list=[]
client_process_list=[]
# get from table and put values in dict
server_dict={}
exportdir_dict={}
client_dict={}
mntpt_dict={}
dummy_server_files=[]
def __init__(self):
self.db=None
self.cursor=None
self.server_pool_list=[]
self.client_pool_list=[]
self.server_process_list=[]
self.client_process_list=[]
self.dummy_server_files=[]
self.server_dict={}
self.exportdir_dict={}
# put values in dict from process_table
self.client_dict={}
self.mntpt_dict={}
self.cloud_id=1000
self.server_pool_max=0
self.client_pool_max=0
self.num_servers=4
self.num_clients=1
self.port=6196
self.glusterfs_version=glusterfs_version
self.default_glusterfs_path="/opt/glusterfs/"+self.glusterfs_version
self.cmd_glfs_start=self.default_glusterfs_path+"/sbin/glusterfsd -f "
self.run_file = " "
#################
num_replica = 2
name = "cluster"
clients = 1
version = "latest_git"
#num_servers = 4
total_servers_stripe = 4
total_servers_afr=2
total_servers_dht=2
num_stripe = 4
#num_servers = ''
default_port = 6196
port_min = 1024
usage_str1="To start: cloud-seed.py --start <CLUSTER_TYPE> --name <CLUSTER_NAME> [-s <NUM_OF_SERVERS>][-c <NUM_OF_CLIENTS>][-v <VERSION>][-p <PORT>]"
usage_str2="To stop cluster : cloud-seed.py --stop <CLOUD_ID>"
usage_str3="To display cluster status : cloud-seed.py --status <CLOUD_ID>"
usage_str4="To display all clusters : cloud-seed.py --show all "
usage_str5="To run commands on client : cloud-seed.py --run <CLOUD_SCRIPT> --name <CLUSTER_NAME>"
usage_str="\n"+usage_str1+"\n\n"+usage_str2+"\n\n"+usage_str3+"\n\n"+usage_str4+"\n\n"+usage_str5
desc_str = "Takes the arguments from user and builds a cluster specified by the user in the command"
parser = OptionParser(usage=usage_str, description=desc_str)
#parse.add_option_group(group)
#(options, args) = parse.parse_args()
# Basic option list
group = OptionGroup(parser, "Basic Options")
group.add_option("-t", "--start", dest="cluster_type",
help="<cluster-type afr|dht|stripe>")
group.add_option("-n", "--name", dest="cluster_name",
help="clustername which will be used to control(stop/verify) cluster")
group.add_option("-s", "--servers", dest="num_servers",
type="int", help="number of servers. default: 2 if afr or dht and 4 if stripe ")
group.add_option("-c", "--clients", dest="num_clients",
type="int", help="number of clients")
group.add_option("-p", "--port", dest="port",
type="int", help="port number to connect to")
group.add_option("-v", "--version", dest="version",
default=glusterfs_version, help="version of the glusterfs to be used. ")
group.add_option("-S","--stop", dest="stop_cluster",
help="will stop the cluster and removes export dirs and mount pts")
group.add_option("-D","--status",dest="status_cluster",help="display status of a cluster")
group.add_option("-A","--show",dest="show_cluster",help="display cluster environment")
group.add_option("-r","--run",dest="run_file",help="will execute the script on cluster's client mount pts")
parser.add_option_group(group)
(options, args) = parser.parse_args()
if options.stop_cluster is None:
if options.run_file is not None:
self.retval='e'
self.run_file = options.run_file
self.cloud_name = options.cluster_name + " "
return
if options.show_cluster is not None:
self.retval='d'
return
if options.status_cluster is not None:
self.retval='c'
#self.cloud_id=options.status_cluster
self.cloud_name=options.status_cluster + " "
return
old_std=logging_start()
if options.cluster_type is None or options.cluster_name is None:
logging_stop(old_std)
print "Error: Cluster type is mandatory. Please provide a cluster type (afr|dht|stripe)"
print usage_str
#raise ValueError
sys.exit(2)
elif str(options.cluster_type) == "afr":
print('You have asked for mirroring cluster')
logging_stop(old_std)
elif str(options.cluster_type) == "stripe":
print('You have asked for a stripe cluster')
logging_stop(old_std)
elif str(options.cluster_type) == "dht":
print('You have asked for a distributed cluster')
logging_stop(old_std)
else:
logging_stop(old_std)
print "Invalid cluster type . Please provide a valid cluster type (afr|dht|stripe)"
#raise ValueError
sys.exit(2)
if options.num_servers is not None:
if str(options.cluster_type) == "afr":
if (options.num_servers % num_replica) != 0:
print "Error: AFR takes only multiples of 2 servers. Please provide valid number of servers"
# raise ValueError
sys.exit(2)
else:
#num_replica = options.num_servers
print 'AFR: Number of servers provoded is valid'
elif str(options.cluster_type) == "stripe":
if (options.num_servers % num_stripe) != 0:
print "Error: stripe takes multiple of 4 servers. Please provide valid numner of servers"
#raise ValueError
sys.exit(2)
else:
#num_stripe = options.num_servers
print 'stripe: Number of servers provided is valid'
elif str(options.cluster_type) == "dht":
print('Distributing the files across', options.num_servers, 'volumes')
else:
if str(options.cluster_type) == "afr":
#print "Number of servers is kept as default"
#print options.num_servers
options.num_servers = total_servers_afr
elif str(options.cluster_type) == "stripe":
options.num_servers=total_servers_stripe
else:
options.num_servers=total_servers_dht
if options.num_clients is None:
options.num_clients = clients
if options.port is None:
options.port = default_port
elif options.port < port_min:
print 'Error:port number should be greater than', port_min
sys.exit(2)
if options.version is None:
print "No version number provoded. Hence continuing with the default version(latest)."
options.version = version
else:
print " " #Building the storage cluster with glusterfs version", options.version
#print 'The options provided are:\ncluster type:', options.cluster_type, 'Cluster name:', options.cluster_name, 'Number of servers:', options.num_servers, 'Number of clients:', options.num_clients, 'Port Number:', options.port, 'Version:', options.version
self.retval='a'
else:
self.cloud_name=options.stop_cluster + " "
self.retval='b'
return
self.cloud_type=options.cluster_type
self.cloud_name=options.cluster_name+" "
self.num_servers=options.num_servers
self.num_clients=options.num_clients
self.port=options.port
self.glusterfs_version=options.version
#reset path and start cmd
self.default_glusterfs_path="/opt/glusterfs/"+self.glusterfs_version
self.cmd_glfs_start=self.default_glusterfs_path+"/sbin/glusterfsd -f "
old_std=logging_start()
print "\n----------------------"
print "Cloud-type : ",self.cloud_type,"\ncloud-name : ",self.cloud_name,"\nnum-servers",self.num_servers,"\nnum-clients",self.num_clients
print "port",self.port,"version:",self.glusterfs_version
print "path is " ,self.default_glusterfs_path,"cmd",self.cmd_glfs_start
print '\n----------------------'
logging_stop(old_std)
def open_connection(self,path):
try:
old_std=logging_start()
print "open_connection:start"
self.db=sqlite3.connect(path)
self.cursor=self.db.cursor()
except Exception,e:
print "Failed : Connecting to database",path
logging_stop(old_std)
self.db,self.cursor=None,None
print e.args
else:
print "Connected to database successfully:",path
logging_stop(old_std)
return self.db,self.cursor
def initialize_processtables(self):
try:
old_std=logging_start()
print "initialize_processtables:start"
n=self.num_servers
m=self.num_clients
overflow=False
#generate cloud id
print "running query:","select count(*) from cloud_seed where cloud_name=",self.cloud_name
self.cursor.execute("select count(*) from cloud_seed where cloud_name=?",(self.cloud_name,))
for row in self.cursor:
if row[0] == 0:
print "okay"
else:
logging_stop(old_std)
print self.cloud_name,"already exists - Please select unique cloud name."
sys.exit(2)
self.cursor.execute("select max(rowid) from cloud_seed")
for row in self.cursor:
print row[0]
if row[0] == None:
print "it's empty"
self.cloud_id=1000
print "cloud-id",self.cloud_id
else:
print "it has this value :",row[0]
self.cloud_id=1000
print "new self.cloud_id:",self.cloud_id,"+",row[0],"=",self.cloud_id+row[0]
self.cloud_id=self.cloud_id+row[0]
#create record in cloud_seed
self.cursor.execute(SQL_STMT_INIT_CLOUD,(self.cloud_id,self.cloud_name,"init",self.glusterfs_version,))
s=(n,)
t=(m,)
#get total records from server_pool and client_pool
self.cursor.execute(SQL_STMT_GET_S_MAX)
self.server_pool_max=0
# get the max. rowid
for row in self.cursor:
self.server_pool_max=row[0]
print "max records in serverl pool:",self.server_pool_max
#Fetch records from server_pool
if n <= self.server_pool_max :
self.cursor.execute(SQL_STMT_GET_S_POOL,s)
# read values
for row in self.cursor:
self.server_pool_list.append(row)
else:
print "overflow set as true"
overflow=True
counter=n/self.server_pool_max
while(counter > 0):
print counter
counter=counter - 1
self.cursor.execute(SQL_STMT_GET_S_POOL,(self.server_pool_max,))
# read values
for row in self.cursor:
self.server_pool_list.append(row)
#fetch any remaining records
self.cursor.execute(SQL_STMT_GET_S_POOL,(n%self.server_pool_max,))
# read values
for row in self.cursor:
self.server_pool_list.append(row)
print self.server_pool_list
# get the max. rowid
self.client_pool_max=0
self.cursor.execute(SQL_STMT_GET_C_MAX)
for row in self.cursor:
self.client_pool_max=row[0]
print self.client_pool_max
#Fetch records from client_pool
if m <= self.client_pool_max :
self.cursor.execute(SQL_STMT_GET_C_POOL,t)
# read values
for row in self.cursor:
self.client_pool_list.append(row)
else:
counter=m/self.client_pool_max
while(counter > 0):
print counter
counter=counter - 1
self.cursor.execute(SQL_STMT_GET_C_POOL,(self.client_pool_max,))
# read values
for row in self.cursor:
self.client_pool_list.append(row)
#fetch any remaining records
self.cursor.execute(SQL_STMT_GET_C_POOL,(m%self.client_pool_max,))
# read values
for row in self.cursor:
self.client_pool_list.append(row)
if nfs == "on" :
#make nfsserver as unique
nfsserver=self.client_pool_list[0]
nfs_count = self.client_pool_list.count(nfsserver)
tmp=nfs_count
while tmp > 0 :
self.client_pool_list.remove(nfsserver)
tmp = tmp -1
#insert to top
self.client_pool_list.insert(0,nfsserver)
bkup=self.client_pool_list[1]
tmp=nfs_count - 1
while tmp > 0 :
self.client_pool_list.append(bkup)
tmp = tmp -1
print self.client_pool_list
#insert into server_process
count=1
for record in self.server_pool_list:
self.cursor.execute(SQL_STMT_INSERT_S_PROCESS,(record[0],record[1],self.cloud_id,count,));
count=count+1
#insert into client_process
count=1
for record in self.client_pool_list:
self.cursor.execute(SQL_STMT_INSERT_C_PROCESS,(record[0],record[1],self.cloud_id,count,));
count=count+1
except Exception,e:
print e.args
print "** failed**:initialize_processtables:while copying records from pool table to process table"
logging_stop(old_std)
else:
print "client/server records retrived from pool and inserted into process table."
logging_stop(old_std)
return overflow
def commit_changes(self):
try:
old_std=logging_start()
print "commit_changes:start"
self.db.commit()
except Exception,e:
print e.args
print "commit failed"
logging_stop(old_std)
else:
print "Changes are committed to database"
logging_stop(old_std)
def mount_remote_server(self):
try:
old_std=logging_start()
print "mount_remote_server:start"
# get records from server_process table
self.cursor.execute(SQL_STMT_S_PROCESS_GETBY_CLOUDID,(self.cloud_id,))
# read values
counter=0
for row in self.cursor:
self.server_process_list.append(row)
for record in self.server_process_list:
print "\nRunning pdsh on server ",record[0]
print "Creating Export directories for server",record[0],":",record[5],"with cloud_id",record[1]
#type case int into string
str_cloud_id = str(record[1])
str_snum = str(record[5])
#create export dirs
export_dir=cloud_export_dir+str_cloud_id + "/export"+str_snum
cmd=cmd_pdsh + pdsh_user + record[0] +cmd_pdsh2+ cmd_mkdir + export_dir
print "Running cmd:",cmd
os.system(cmd)
#create spec dir for volume files
cmd=cmd_pdsh + pdsh_user + record[0] +cmd_pdsh2+ cmd_mkdir + cloud_spec_dir + str_cloud_id +"/server"+ str_snum
print "Running cmd:",cmd
os.system(cmd)
print "update server_process table"
self.cursor.execute(SQL_STMT_UPDATE_S_PROCESS,(export_dir,record[1],record[5],record[0],));
#add it in dictionary key:value == > key=cloud_id+snum , value=server
self.server_dict[str_cloud_id+"-"+str_snum]=record[0]
#second dictionary for export dirs
self.exportdir_dict[str_cloud_id+"-"+str_snum]=export_dir.strip()
print self.server_dict
print self.exportdir_dict
#TODO check free port
except Exception,e:
print e.args
print "**FAILED**:mount_remote_server: While creating export dirs with pdsh in remote server ."
logging_stop(old_std)
else:
print "Creating export dirctories in remote server .done"
logging_stop(old_std)
def mount_remote_client(self):
try:
old_std=logging_start()
print "mount_remote_client:start"
self.cursor.execute(SQL_STMT_C_PROCESS_GETBY_CLOUDID,(self.cloud_id,))
# read values
counter=0
for row in self.cursor:
self.client_process_list.append(row)
for record in self.client_process_list:
print "\nRunning pdsh on client",record[0]
print "Creating mount points for client:",record[0],":",record[5],"with cloud_id",record[1]
#type case int into string
str_cloud_id = str(record[1])
str_cnum=str(record[5])
mnt_pt=cloud_dir +str_cloud_id + "/"+str_cnum
cmd=cmd_pdsh + pdsh_user + record[0] +cmd_pdsh2+ cmd_mkdir + mnt_pt
print "Running cmd:",cmd
os.system(cmd)
print "Running mkdir cmd:",cmd
self.cursor.execute(SQL_STMT_UPDATE_C_PROCESS,(mnt_pt,record[1],record[5],record[0],));
os.system(cmd)
#create spec dir for volume files
cmd=cmd_pdsh + pdsh_user + record[0] +cmd_pdsh2+ cmd_mkdir + cloud_spec_dir+ str_cloud_id +"/client"+ str_cnum
print "Running cmd:",cmd
os.system(cmd)
#add it in dictionary key:value == > key=cloud_id+cnum , value=client
self.client_dict[str_cloud_id+"-"+str_cnum]=record[0]
#second dictionary for mnt_pts
self.mntpt_dict[str_cloud_id+"-"+str_cnum]=mnt_pt.strip()
print self.client_dict
print self.mntpt_dict
except Exception,e:
print e.args
print "**FAILED**:mount_remote_client: While creating mount points with pdsh in remote client ."
logging_stop(old_std)
else:
print "Creating mount points with pdsh in remote client .done"
logging_stop(old_std)
def create_config_files(self,overflow):
try:
old_std=logging_start()
print "create_config_files:start"
#create local temp vol file dir.
cmd= cmd_mkdir + "/tmp/" + str(self.cloud_id)
print "Running cmd:",cmd
os.system(cmd)
#things todo incase of num_server > server_pool_max : START
if overflow==True:
print "True"
server_export=""
dummy="_dummy_"
for snum in range(1,self.num_servers+1):
print snum
key=str(self.cloud_id)+"-"+str(snum)
print self.server_dict[key]+":"+self.exportdir_dict[key]
if snum <= self.server_pool_max:
server_export += self.server_dict[key]+":"+self.exportdir_dict[key]+" "
else:
print "It's greater now"
server_export += self.server_dict[key]+dummy+str(snum)+":"+self.exportdir_dict[key]+" "
self.dummy_server_files.append(self.server_dict[key]+dummy+str(snum))
print server_export
else:
print "false"
#END:things todo incase of num_server > server_pool_max
print "Going to creat config file with " ,self.num_servers ," servers" ,self.num_clients,"clients"
print "Fetch self.server_dict and export_dict"
server_export=""
for snum in range(1,self.num_servers+1):
print snum
key=str(self.cloud_id)+"-"+str(snum)
print self.server_dict[key]+":"+self.exportdir_dict[key]
server_export += self.server_dict[key]+":"+self.exportdir_dict[key]+" "
#Run volgen
if self.cloud_type == "afr":
type="-r 1"
elif self.cloud_type == "stripe":
type="-r 0"
else:
type=" "
cmd_volgen=self.default_glusterfs_path + "/bin/glusterfs-volgen -n " +self.cloud_name
cmd=cmd_volgen +type+" -p "+str(self.port)+" "+server_export +" -c " +"/tmp/"+ str(self.cloud_id)
print cmd
os.system(cmd)
#: change port in serv files & port+hostname in client file
text="transport.socket.listen-port "
search =text + str(self.port)
newport=self.port
#first set default port value and overwrite it below if needed.
self.cursor.execute(SQL_STMT_UPDATE_DEFPORT_S_PROCESS,(newport,self.cloud_id,));
if overflow == True:
print "Changing server port in :"
for f in self.dummy_server_files:
fn="/tmp/"+str(self.cloud_id)+"/"+f+"-"+self.cloud_name.strip()+"-export.vol"
print fn
#Change port number
newport = newport + 1
replace=text + str(newport)+" "
#replace
for line in fileinput.FileInput(fn,inplace=1):
line = line.replace(search,replace)
print line
print "update port for ",self.cloud_id,f ,"as :",newport
s_port=f.split("_dummy_")
print "for server :",s_port[0],"snum is",s_port[1]
#update port in table
print "updating table:"
self.cursor.execute(SQL_STMT_UPDATEPORT_S_PROCESS,(newport,self.cloud_id,s_port[1],s_port[0],));
print "change remote-hostname in client vol files"
newport=self.port
text="remote-host "
for serv in self.dummy_server_files:
cflag=0
s1=str(serv)
end=s1.index("_")
search=text + s1
replace=text + s1[0:end]
print "search string is " ,search ,"and replace is ",replace
client_f="/tmp/"+str(self.cloud_id)+"/"+self.cloud_name.strip()+"-tcp.vol"
print "client file : ",client_f
for line in fileinput.FileInput(client_f,inplace=1):
if "option remote-host" in line and s1 in line:
line = line.replace(search,replace)
cflag=1
#Now change the port number
if cflag and "transport.remote-port" in line:
a=line.rstrip().split(" ")
newport = newport + 1
#a[-1]=str(int(a[-1])+1)
a[-1]=str(newport)
line=' '.join(a)
cflag=0
print line
fileinput.close()
#format client file=>remove blank lines
for lines in fileinput.FileInput(client_f, inplace=1):
lines = lines.strip()
if lines == '': continue
print lines
fileinput.close()
#
for lines in fileinput.FileInput(client_f, inplace=1):
lines=lines.strip()
ret = lines.find("end-volume")
if ret == -1:
print lines
else:
print lines
print "\n"
fileinput.close()
time.sleep(5)
#Now vol files are available under /tmp/self.cloud_id move it to respective server and client machines.
#T0D0 -- if nfs is set, add acl to server and append nfs-xlator to client
if nfs == "on":
root="/tmp/"
#edit client files
path=os.path.join(root,str(self.cloud_id))
alines=["\nvolume nfs\n"," type nfs/server\n"," option rpc-auth.addr.allow *\n"," subvolumes statprefetch\n","end-volume\n"]
os.chdir(path)
for clientfile in glob.glob("*-tcp.vol"):
data=open(clientfile).readlines()
data+=alines
open("temp","w").write(''.join(data))
os.rename("temp",clientfile)
#edit server files
for svrfile in glob.glob("*-export.vol"):
for line in fileinput.FileInput(svrfile,inplace=1):
line = line.replace("subvolumes posix1","subvolumes posix-ac")
print line
#add ac
alines2=["\nvolume posix-ac\n"," type features/access-control\n"," subvolumes posix1 \n","end-volume\n"]
for svrfile in glob.glob("*-export.vol"):
f=0
for line in fileinput.FileInput(svrfile,inplace=1):
ind=line.find("end-volume")
if ind!=-1 and not f:
line=line[:ind+10] + ''.join(alines2) + line[ind+10:]
f=1
print line
if overflow == False:
for snum in range(1,self.num_servers+1):
print snum
key=str(self.cloud_id)+"-"+str(snum)
print self.server_dict[key]
#move volfiles
src= "/tmp/"+str(self.cloud_id)+"/"+ self.server_dict[key]+"-"+self.cloud_name.strip()+"-export.vol"
dest=cloud_spec_dir + str(self.cloud_id) +"/server"+ str(snum)
cmd=cmd_kaput + self.server_dict[key] +" "+src+" " + dest
print "\nMoving server vol.files.Running cmd:",cmd
os.system(cmd)
#TODO:Move mount.sh - automount /opt- and run it using pdsh
cmd=cmd_kaput + self.server_dict[key] +" "+opt_mount_path+" /tmp"
os.system(cmd)
cmd=cmd_pdsh + pdsh_user + self.server_dict[key] +cmd_pdsh2+ "/tmp/mount_opt.sh"
print "Running cmd:",cmd
os.system(cmd)
else:
dummy="_dummy_"
for snum in range(1,self.num_servers+1):
print snum
key=str(self.cloud_id)+"-"+str(snum)
print self.server_dict[key]
#move volfiles
if snum <= self.server_pool_max:
src= "/tmp/"+str(self.cloud_id)+"/"+self.server_dict[key]+"-"+self.cloud_name.strip()+"-export.vol"
else:
src= "/tmp/"+str(self.cloud_id)+"/"+self.server_dict[key]+dummy+str(snum)+"-"+self.cloud_name.strip()+"-export.vol"
dest=cloud_spec_dir + str(self.cloud_id) +"/server"+ str(snum)
cmd=cmd_kaput + self.server_dict[key] +" "+src+" " + dest
print "\nMoving server vol.files.Running cmd:",cmd
os.system(cmd)
#TODO: move mount.sh to /tmp - automount /opt if not exits and run it using pdsh
cmd=cmd_kaput + self.server_dict[key] +" "+opt_mount_path+" /tmp"
os.system(cmd)
cmd=cmd_pdsh + pdsh_user + self.server_dict[key] +cmd_pdsh2+ "/tmp/mount_opt.sh"
print "Running cmd:",cmd
os.system(cmd)
for cnum in range(1,self.num_clients+1) :
print cnum
key=str(self.cloud_id)+"-"+str(cnum)
print self.client_dict[key]
print "Moving client vol.files."
src="/tmp/"+str(self.cloud_id)+"/"+self.cloud_name.strip()+"-tcp.vol"
dest=cloud_spec_dir+str(self.cloud_id)+"/client"+str(cnum)
cmd=cmd_kaput +self.client_dict[key]+" "+src+" "+dest
print "Running cmd:",cmd
os.system(cmd)
#TODO:move mount.sh to clients /tmp and run it using pdsh
cmd=cmd_kaput + self.client_dict[key] +" "+opt_mount_path+" /tmp"
os.system(cmd)
cmd=cmd_pdsh + pdsh_user + self.client_dict[key] +cmd_pdsh2+ "/tmp/mount_opt.sh"
print "Running cmd:",cmd
os.system(cmd)
if nfs=="on":
cmd1=" /etc/init.d/rpcbind start"
cmd=cmd_pdsh + pdsh_user + self.client_dict[key] +cmd_pdsh2+ cmd1
os.system(cmd)
cmd1=" /etc/init.d/portmap start"
cmd=cmd_pdsh + pdsh_user + self.client_dict[key] +cmd_pdsh2+ cmd1
os.system(cmd)
cmd1=" /etc/init.d/nfslock start"
cmd=cmd_pdsh + pdsh_user + self.client_dict[key] +cmd_pdsh2+ cmd1
os.system(cmd)
except Exception,e:
print e.args
print "**ERROR**:create_config_files: while moving vol files"
logging_stop(old_std)
else:
print "vol. files are moved to appropriate server/client machines"
logging_stop(old_std)
return
def start_server(self):
try:
old_std=logging_start()
print "start_server:start"
print self.server_dict
dummy="_dummy_"
#Now vol files are available servers.So start it
for snum in range(1,self.num_servers+1):
print snum
key=str(self.cloud_id)+"-"+str(snum)
print self.server_dict[key]
#start servers
logfile=cloud_spec_dir+ str(self.cloud_id) +"/server"+ str(snum)+"/"+"gs.log"
if snum <= self.server_pool_max:
servfile= str(self.cloud_id) +"/server"+ str(snum)+"/"+ self.server_dict[key]+"-"+self.cloud_name.strip()+"-export.vol"
else:
servfile1= str(self.cloud_id) +"/server"+ str(snum)+"/"+ self.server_dict[key]+dummy+str(snum)+"-"
servfile=servfile1+self.cloud_name.strip()+"-export.vol"
pidfile= " -L DEBUG --pid-file=/tmp/server.pid"
cmd=cmd_pdsh + pdsh_user + self.server_dict[key] +cmd_pdsh2+self.cmd_glfs_start+ cloud_spec_dir+servfile+" -l "+logfile+pidfile
print "\nStarting server.Running cmd:",cmd
os.system(cmd)
#pid and log file in server_process table
cmd=cmd_pdsh + pdsh_user + self.server_dict[key] + cmd_pdsh2 + cmd_cat + "/tmp/server.pid > /tmp/gs.pid"
print "Recording pid",cmd
os.system(cmd)
cmd=cmd_cat + "/tmp/gs.pid"
print "server pid is :"
os.system(cmd)
f = open("/tmp/gs.pid", "r")
for line in f:
pid = line.strip().split()[1].lower()
print " -->", pid
f.close()
#update pid in table
print "updating table:"
self.cursor.execute(SQL_STMT_UPDATEPID_S_PROCESS,(pid,logfile,self.cloud_id,snum,self.server_dict[key],));
except Exception,e:
print e.args
print " **ERROR**start_server: Starting servers and updating pid in server_process table"
logging_stop(old_std)
else:
print "Done.Servers are started and pids recorded"
logging_stop(old_std)
def start_client(self):
try:
old_std=logging_start()
print "start_client:start"
print self.client_dict
#Now vol files are available client.So start it
#If nfs is set - for the first client - start it as nfs/server and for other mount it.
run = 1
skip = 0
nfsserver=" "
for cnum in range(1,self.num_clients+1):
print cnum
key=str(self.cloud_id)+"-"+str(cnum)
print "client is ==>",self.client_dict[key]
#start client
logfile=cloud_spec_dir+ str(self.cloud_id) +"/client"+ str(cnum)+"/"+"gc.log"
if nfs == "on" and run == 1:
print "nfs=on run=1 skip=0",self.client_dict[key]
clientfile=str(self.cloud_id)+"/client"+str(cnum)+"/"+self.cloud_name.strip()+"-tcp.vol "
#reset run
run = 0
skip = 0
nfsserver = self.client_dict[key]
#make sure rpcbin/portmap started before nfs server
cmd1=" /etc/init.d/rpcbind start"
cmd=cmd_pdsh + pdsh_user + self.client_dict[key] +cmd_pdsh2+ cmd1
os.system(cmd)
cmd1=" /etc/init.d/portmap start"
cmd=cmd_pdsh + pdsh_user + self.client_dict[key] +cmd_pdsh2+ cmd1
os.system(cmd)
elif nfs == "on" and run == 0:
print "nfs=on run=0 skip=1",self.client_dict[key]
#mount these here itself and skip the 'other mount' below
cmd1=cmd_mount+nfsserver+":/statprefetch " +self.mntpt_dict[key]
cmd=cmd_pdsh + pdsh_user + self.client_dict[key] +cmd_pdsh2+ cmd1
print "running nfs mount:",cmd
os.system(cmd)
skip = 1
else:
clientfile=str(self.cloud_id)+"/client"+str(cnum)+"/"+self.cloud_name.strip()+"-tcp.vol "+self.mntpt_dict[key]
if skip != 1:
pidfile= " -L DEBUG --pid-file=/tmp/client.pid"
cmd1=cmd_pdsh + pdsh_user + self.client_dict[key] +cmd_pdsh2+self.cmd_glfs_start+cloud_spec_dir+clientfile+" -l "
cmd=cmd1+logfile+pidfile
print "\nStarting client.Running cmd:",cmd
os.system(cmd)
#record client-pid and log file in client table.
cmd=cmd_pdsh + pdsh_user + self.client_dict[key] + cmd_pdsh2 + cmd_cat + "/tmp/client.pid > /tmp/gc.pid"
print "Recording pid",cmd
os.system(cmd)
cmd=cmd_cat + "/tmp/gc.pid"
print "client pid is :"
os.system(cmd)
f = open("/tmp/gc.pid", "r")
for line in f:
pid = line.strip().split()[1].lower()
print " -->", pid
f.close()
#update pid in table
self.cursor.execute(SQL_STMT_UPDATEPID_C_PROCESS,(pid,logfile,self.cloud_id,cnum,self.client_dict[key],));
#sleep for 5 seconds
time.sleep(5)
os.system("/bin/sync")
except Exception,e:
print e.args
print " **ERROR**:start_client: Starting client and updating pid in client_process table"
logging_stop(old_std)
else:
print "Clients started and pid recorded"
logging_stop(old_std)
def active_cloud(self):
try:
old_std=logging_start()
print "active_cloud:start"
#update cloud_id as active
self.cursor.execute(SQL_STMT_ACTIVATE_CLOUD,(self.cloud_type,self.cloud_id,));
except Exception,e:
print e.args
print "**ERROR** :active_cloud: while trying to change cloud status from init to active"
logging_stop(old_std)
else:
logging_stop(old_std)
print "-----------------------------------------------------------------------------------------------------------------------"
print self.cloud_type," cloud",self.cloud_name,"with",self.num_servers,"server(s) and",self.num_clients,"client(s) is active now."
print "------------------------------------------------------------------------------------------------------------------------"
#Cloud stop functions
def check_valid(self):
try:
#self.cloud_id=raw_input("Cloud id ?")
self.cursor.execute(SQL_STMT_CHECK_CLOUD,(self.cloud_name,));
for row in self.cursor:
state=str(row[0])
type=str(row[1])
self.cloud_id=row[2]
self.glusterfs_version=row[3]
if state=="active":
print "----------------------------------------------"
print "The",type," cloud ",self.cloud_name," is active and running glusterfs-",self.glusterfs_version
return True
else:
if state=="init":
print "Cloud is in init state"
else:
print "Cloud not found.Call 911."
return False
except Exception,e:
old_std=logging_start()
print ' ' #e.args
print "**ERROR** :check_valid: while retriving cloud id",SQL_STMT_CHECK_CLOUD,self.cloud_name
logging_stop(old_std)
else:
print " "
def stop_client(self):
try:
old_std=logging_start()
print "stop_client:start"
nfs_run=1
self.cursor.execute(SQL_STMT_C_PROCESS_GETBY_CLOUDID,(self.cloud_id,));
for row in self.cursor:
print "name:",row[0],"cloudid:",row[1],"pid:",row[2]
print "mntpt:",row[3],"prt",row[4]
print "cnum:",row[5],"state:",row[6],"log:",row[7]
if str(row[6]) == "running" or nfs == "on":
#if nfs=="on" and nfs_run == 1:
# #kill this pid
# nfs_run=0
# cmd=cmd_pdsh + pdsh_user + str(row[0]) +cmd_pdsh2+ cmd_kill + str(row[2])
# print "Running cmd:",cmd
# os.system(cmd)
#else:
cmd=cmd_pdsh + pdsh_user + str(row[0]) +cmd_pdsh2+ cmd_umount + str(row[3])
print "Running cmd:",cmd
os.system(cmd)
nfs_run = 0
print " Removing spec files "
cmd=cmd_pdsh + pdsh_user + str(row[0]) + cmd_pdsh2+ cmd_mv + cloud_spec_dir+str(self.cloud_id) + cloud_seed_trash
print cmd
os.system(cmd)
#empty cloud_seed trash
cmd=cmd_pdsh + pdsh_user + str(row[0]) + cmd_pdsh2+ cmd_rm + cloud_seed_trash +"/"+ str(self.cloud_id)
print "removing spec from trash ",cmd
os.system(cmd)
print " Removing mnt dirs "
cmd=cmd_pdsh + pdsh_user + str(row[0]) + cmd_pdsh2+ cmd_mv + cloud_dir+str(self.cloud_id) + cloud_seed_trash
print cmd
os.system(cmd)
#empty tmp dir
cmd=cmd_pdsh + pdsh_user + str(row[0]) + cmd_pdsh2+ cmd_rm + " /tmp/" + str(self.cloud_id)
os.system(cmd)
#empty cloud_seed trash -again
cmd=cmd_pdsh + pdsh_user + str(row[0]) + cmd_pdsh2+ cmd_rm + cloud_seed_trash +"/" + str(self.cloud_id)
print "removing mnt from trash",cmd
os.system(cmd)
#update in table
print SQL_STMT_UPDATESTATUS_C_PROCESS,self.cloud_id
self.cursor.execute(SQL_STMT_UPDATESTATUS_C_PROCESS,(self.cloud_id,));
except Exception,e:
print e.args
print "**ERROR** :stop_client: while retriving cloud id from client process"
logging_stop(old_std)
else:
print "done."
logging_stop(old_std)
def stop_server(self):
try:
old_std=logging_start()
print "stop_server:start"
self.cursor.execute(SQL_STMT_S_PROCESS_GETBY_CLOUDID,(self.cloud_id,));
s_list=[]
for row in self.cursor:
print "name:",row[0],"cloudid:",row[1],"pid:",row[2]
print "export:",row[3],"prt",row[4]
print "snum:",row[5],"state:",row[6],"log:",row[7]
#s_list.append(row[0])
if str(row[6]) == "running":
cmd=cmd_pdsh + pdsh_user + str(row[0]) +cmd_pdsh2+ cmd_kill + str(row[2])
print "Running cmd:",cmd
os.system(cmd)
#add servers to list and rm/mv directories -iff it not already done.
if s_list.count(row[0]) == 0:
s_list.append(row[0])
cmd=cmd_pdsh + pdsh_user + str(row[0]) + cmd_pdsh2+ cmd_mv + cloud_spec_dir+str(self.cloud_id) + cloud_seed_trash
print " Removing spec files and export pts,Cmd:",cmd
os.system(cmd)
cmd=cmd_pdsh + pdsh_user + str(row[0]) + cmd_pdsh2+ cmd_rm + cloud_seed_trash +"/"+ str(self.cloud_id)
print "run1:",cmd
os.system(cmd)
cmd=cmd_pdsh + pdsh_user + str(row[0]) + cmd_pdsh2+ cmd_mv + cloud_export_dir+str(self.cloud_id) + cloud_seed_trash
print "run2",cmd
os.system(cmd)
cmd=cmd_pdsh + pdsh_user + str(row[0]) + cmd_pdsh2+ cmd_rm + cloud_seed_trash +"/"+ str(self.cloud_id)
print "run3",cmd
os.system(cmd)
#update table
self.cursor.execute(SQL_STMT_UPDATESTATUS_S_PROCESS,(self.cloud_id,));
except Exception,e:
print e.args
print "**ERROR** :stop_server: while retriving cloud id"
logging_stop(old_std)
else:
print "done."
logging_stop(old_std)
def deactivate_cloud(self):
try:
old_std=logging_start()
print "deactivate_cloud"
#update cloud_id as free
self.cursor.execute(SQL_STMT_DEACTIVATE_CLOUD,(self.cloud_id,));
except Exception,e:
print e.args
print "**ERROR** :deactivate_cloud: while retriving cloud id"
logging_stop(old_std)
else:
print "done."
logging_stop(old_std)
def client_status(self):
try:
old_std=logging_start()
print "client_status:start"
print SQL_STMT_C_PROCESS_GETBY_CLOUDID,self.cloud_id
logging_stop(old_std)
self.cursor.execute(SQL_STMT_C_PROCESS_GETBY_CLOUDID,(self.cloud_id,));
print "---------------------------------------------------------------"
print "client:\tmount-point:\tlogfile:\tstatus:\tpid"
print "---------------------------------------------------------------"
nfs_check="yes"
update_clients=[]
update_clients_dict={}
for row in self.cursor:
if nfs_check == "yes":
#check status of pid in remote
cmd=cmd_pdsh + pdsh_user + str(row[0]) +cmd_pdsh2+cmd_pid1+str(row[2])+cmd_pid2 +" > /tmp/pname2"
#print "checking pid status :",cmd
os.system(cmd)
time.sleep(2)
#
if os.stat("/tmp/pname2")[6] == 0:
pname = -1
else:
f = open("/tmp/pname2", "r")
for line in f:
pname = line.find("glusterfs")
f.close()
#turn off status check for nfs-clients -- since mount has no pid
if nfs == "on":
nfs_check="no" #don't check for mounts
pname = 1
if pname == -1:
#print "glusterfs not running"
val=row[5]
update_clients.append(val)
str_cloudid=str(self.cloud_id)
str_cnum=str(row[5])
update_clients_dict[str_cloudid+"-"+str_cnum]=str(row[0])
print row[0],": ---- :",row[7],": not-running : --"
else:
print row[0],":",row[3],":",row[7],":",row[6],":",row[2]
#fetch cnum from list and client name from dict
old_std=logging_start()
for record in update_clients:
name= update_clients_dict[str_cloudid+"-"+str(record)]
self.cursor.execute(SQL_STMT_CSTATUS_CHECK_UPDATE,(self.cloud_id,record,name,))
print SQL_STMT_CSTATUS_CHECK_UPDATE,self.cloud_id,name,record
except Exception,e:
print e.args
print "**ERROR** :client_status: while retriving cloud id"
logging_stop(old_std)
else:
logging_stop(old_std)
return None
def server_status(self):
try:
old_std=logging_start()
print "server_status:start"
print "running query:",SQL_STMT_S_PROCESS_GETBY_CLOUDID,self.cloud_id
logging_stop(old_std)
self.cursor.execute(SQL_STMT_S_PROCESS_GETBY_CLOUDID,(self.cloud_id,));
print "----------------------------------------"
print "server:directory:port:logfile:status:pid"
print "----------------------------------------"
update_servers=[]
update_servers_dict={}
for row in self.cursor:
old_std=logging_start()
print "check status of pid in remote ",row[0],"==>",row[5]
cmd=cmd_pdsh + pdsh_user + str(row[0]) +cmd_pdsh2+cmd_pid1+str(row[2])+cmd_pid2 +" > /tmp/pname"
print "checking pid status :",cmd
os.system(cmd)
logging_stop(old_std)
time.sleep(2)
#
if os.stat("/tmp/pname")[6] == 0:
pname = -1
else:
f = open("/tmp/pname", "r")
for line in f:
pname = line.find("glusterfs")
f.close()
if pname == -1:
#print "glusterfs not running"
#update db status
#self.cursor.execute(SQL_STMT_SSTATUS_CHECK_UPDATE,(self.cloud_id,row[5],row[0],));
val=row[5]
update_servers.append(val)
str_cloudid=str(self.cloud_id)
str_snum=str(row[5])
update_servers_dict[str_cloudid+"-"+str_snum]=str(row[0])
print row[0],":",row[3],":",row[4],":",row[7],": not-running : --"
else:
print row[0],":",row[3],":",row[4],":",row[7],":",row[6],":",row[2]
#fetch snum from list and server name from dict
old_std=logging_start()
for record in update_servers:
print update_servers_dict[str_cloudid+"-"+str(record)]
name= update_servers_dict[str_cloudid+"-"+str(record)]
self.cursor.execute(SQL_STMT_SSTATUS_CHECK_UPDATE,(self.cloud_id,record,name,))
print SQL_STMT_SSTATUS_CHECK_UPDATE,self.cloud_id,record,name
logging_stop(old_std)
except Exception,e:
old_std=logging_start()
print e.args
print "**ERROR** :server_status: while retriving cloud id"
logging_stop(old_std)
else:
return None
def checkall_valid(self):
try:
old_std=logging_start()
print "checkall_valid:start"
logging_stop(old_std)
cloud_ids=[]
cloud_ids_type={}
cloud_ids_name={}
cloud_ids_version={}
self.cursor.execute(SQL_STMT_CHECKALL_CLOUD);
for row in self.cursor:
cid=str(row[0])
cloud_ids.append(cid)
cloud_ids_type[str(cid)]=str(row[1])
cloud_ids_name[str(cid)]=str(row[2])
cloud_ids_version[str(cid)]=str(row[3])
for id in cloud_ids:
print "\t\t~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
print "\t\t\tcloud :",cloud_ids_name[id]," :type:",cloud_ids_type[id],": glusterfs:",cloud_ids_version[id]
print "\t\t~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~"
self.cloud_id=int(id)
self.server_status()
self.client_status()
except Exception,e:
old_std=logging_start()
print e.args
print "**ERROR** :checkall_valid: while retriving cloud id"
logging_stop(old_std)
else:
print " "
#get client records
def get_client_info(self):
try:
old_std=logging_start()
print "get_client_info:start"
logging_stop(old_std)
self.cursor.execute(SQL_STMT_CHECK_CLOUD,(self.cloud_name,));
for row in self.cursor:
state=str(row[0])
type=str(row[1])
self.cloud_id=row[2]
self.cursor.execute(SQL_STMT_C_PROCESS_GETBY_CLOUDID,(self.cloud_id,))
# read values
counter=0
for row in self.cursor:
self.client_process_list.append(row)
if nfs == "on":
#remove nfs-server
self.client_process_list.pop(0)
for record in self.client_process_list:
print " mount points for client:",record[0],":",record[3],"with cloud_id",record[1]
except Exception,e:
old_std=logging_start()
print e.args
print "**ERROR** : get_client_info:while retriving cloud id"
logging_stop(old_std)
else:
print " "
def run_on_mount_pt(self):
try:
old_std=logging_start()
print "run_on_mount_ptstart"
print "clients are : ",self.client_process_list
#before moving the script edit it - added mntpt to run_file and
#move the file to remote clients and execute the script at mount pt
cmd = cmd_cp+self.run_file+" /tmp"
os.system(cmd)
for record in self.client_process_list:
#Edit the file
for line in fileinput.FileInput(self.run_file,inplace=1):
line = line.replace("CLOUD_MNT_PT",str(record[3]))
print line
cmd=cmd_kaput + str(record[0])+" "+self.run_file+" "+str(record[3])
print "running:",cmd
os.system(cmd)
#copy the original file from tmp
cmd= cmd_mv + self.run_file +" " +cloud_seed_trash
os.system(cmd)
cmd= cmd_cp +"/tmp/"+self.run_file+" ."
os.system(cmd)
#now files are move to remove client mnt pt - now execute the script
#for record in self.client_process_list: - execute the file before someone modifies it :)
cmd=cmd_pdsh + pdsh_user + str(record[0]) +cmd_pdsh2+ str(record[3])+"/"+ self.run_file
print "Running cmd:",cmd
os.system(cmd)
logging_stop(old_std)
except Exception,e:
old_std=logging_start()
print e.args
print "**ERROR** : run_on_mount_pt:while processing run file"
logging_stop(old_std)
else:
print " "
###############MAIN PART#############
obj1=Cloud_db()
CONN,CURSOR=obj1.open_connection(dbpath)
ans=obj1.retval
if ans == 'a':
overflow=obj1.initialize_processtables()
obj1.mount_remote_server()
obj1.mount_remote_client()
obj1.commit_changes()
obj1.create_config_files(overflow)
obj1.start_server()
obj1.start_client()
obj1.active_cloud()
obj1.commit_changes()
#TODO : create save points are appropriate places and then commit.
elif ans == 'b':
if obj1.check_valid():
print "stopping client(s)."
obj1.stop_client()
print "stoppping server(s)."
obj1.stop_server()
obj1.deactivate_cloud()
obj1.commit_changes()
print "cloud stopped."
else:
print "nothing to kill"
elif ans == 'c':
if obj1.check_valid():
obj1.server_status()
obj1.client_status()
obj1.commit_changes()
else:
print "Cloud not found.Blown away?"
elif ans == 'd':
obj1.checkall_valid()
obj1.commit_changes()
elif ans == 'e':
obj1.get_client_info()
obj1.run_on_mount_pt()
else:
print "Invalid input ?"
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