Fix unused imports or add silences where needed

In some cases pylint doesn't parse the import correctly, so we add
silences; but there are also many cases of unused imports, which we
simply remove.
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Olivier Tharan <olive@google.com>

daemons/ganeti-confd

@@ -48,7 +48,6 @@ from ganeti.confd import server as confd_server
 from ganeti import constants
 from ganeti import errors
 from ganeti import daemon
-from ganeti import ssconf
 
 
 class ConfdAsyncUDPServer(daemon.AsyncUDPSocket):

daemons/ganeti-noded

@@ -31,7 +31,6 @@
 
 import os
 import sys
-import SocketServer
 import logging
 import signal
 
@@ -47,7 +46,7 @@ from ganeti import http
 from ganeti import utils
 from ganeti import storage
 
-import ganeti.http.server
+import ganeti.http.server # pylint: disable-msg=W0611
 
 
 queue_lock = None

daemons/ganeti-rapi

@@ -26,25 +26,21 @@
 
 # C0103: Invalid name ganeti-watcher
 
-import glob
 import logging
 import optparse
 import sys
 import os
 import os.path
-import signal
 
 from ganeti import constants
-from ganeti import errors
 from ganeti import http
 from ganeti import daemon
 from ganeti import ssconf
-from ganeti import utils
 from ganeti import luxi
 from ganeti import serializer
 from ganeti.rapi import connector
 
-import ganeti.http.auth
+import ganeti.http.auth   # pylint: disable-msg=W0611
 import ganeti.http.server
 
 

daemons/ganeti-watcher

@@ -35,7 +35,6 @@ import os
 import sys
 import time
 import logging
-import errno
 from optparse import OptionParser
 
 from ganeti import utils

lib/confd/client.py

@@ -50,7 +50,6 @@ confirming what you already got.
 # E0203: Access to member %r before its definition, since we use
 # objects.py which doesn't explicitely initialise its members
 
-import socket
 import time
 import random
 

lib/http/server.py

@@ -26,7 +26,6 @@ import BaseHTTPServer
 import cgi
 import logging
 import os
-import select
 import socket
 import time
 import signal

lib/hypervisor/hv_chroot.py

@@ -27,10 +27,9 @@ import os
 import os.path
 import time
 import logging
-from cStringIO import StringIO
 
 from ganeti import constants
-from ganeti import errors
+from ganeti import errors # pylint: disable-msg=W0611
 from ganeti import utils
 from ganeti.hypervisor import hv_base
 from ganeti.errors import HypervisorError

lib/hypervisor/hv_xen.py

@@ -23,8 +23,6 @@
 
 """
 
-import os
-import os.path
 import logging
 from cStringIO import StringIO
 

scripts/gnt-backup

@@ -31,8 +31,6 @@ import sys
 from ganeti.cli import *
 from ganeti import opcodes
 from ganeti import constants
-from ganeti import errors
-from ganeti import utils
 
 
 _VALUE_TRUE = "true"

scripts/gnt-debug

@@ -32,7 +32,6 @@ import time
 from ganeti.cli import *
 from ganeti import cli
 from ganeti import opcodes
-from ganeti import constants
 from ganeti import utils
 from ganeti import errors
 

scripts/gnt-instance

@@ -29,7 +29,6 @@ import sys
 import os
 import itertools
 import simplejson
-import time
 from cStringIO import StringIO
 
 from ganeti.cli import *

scripts/gnt-node

@@ -29,7 +29,6 @@
 import sys
 
 from ganeti.cli import *
-from ganeti import cli
 from ganeti import opcodes
 from ganeti import utils
 from ganeti import constants

scripts/gnt-os

@@ -31,7 +31,6 @@ import sys
 from ganeti.cli import *
 from ganeti import opcodes
 from ganeti import utils
-from ganeti import constants
 
 
 def ListOS(opts, args):

tools/cfgupgrade

@@ -32,7 +32,6 @@ import os.path
 import sys
 import optparse
 import logging
-import errno
 
 from ganeti import constants
 from ganeti import serializer