Remove unused variables in the code

This commit removes unused variables or rename variables as "expected to
be unused" by using "_" prefix.

This covers only cases where fix was easy or only one unused variable
was in a module

Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>
Reviewed-By: Stanislav Laznicka <slaznick@redhat.com>

install/oddjob/com.redhat.idm.trust-fetch-domains

@@ -34,7 +34,7 @@ def retrieve_keytab(api, ccache_name, oneway_keytab_name, oneway_principal):
     try:
         sssd = pwd.getpwnam(constants.SSSD_USER)
         os.chown(oneway_keytab_name, sssd[2], sssd[3])
-    except KeyError as e:
+    except KeyError:
         # If user 'sssd' does not exist, we don't need to chown from root to sssd
         # because it means SSSD does not run as sssd user
         pass

install/share/copy-schema-to-ca.py

@@ -113,7 +113,7 @@ def main():
     standard_logging_setup(verbose=True)
 
     # In 3.0, restarting needs access to api.env
-    (options, argv) = api.bootstrap_with_global_options(context='server')
+    api.bootstrap_with_global_options(context='server')
 
     add_ca_schema()
     restart_pki_ds()

install/tools/ipa-csreplica-manage

@@ -232,9 +232,6 @@ def del_link(realm, replica1, replica2, dirman_passwd, force=False):
     print("Deleted replication agreement from '%s' to '%s'" % (replica1, replica2))
 
 def del_master(realm, hostname, options):
-
-    force_del = False
-
     delrepl = None
 
     # 1. Connect to the local dogtag DS server
@@ -258,7 +255,6 @@ def del_master(realm, hostname, options):
             sys.exit(1)
         else:
             print("Unable to connect to replica %s, forcing removal" % hostname)
-            force_del = True
 
     # 4. Get list of agreements.
     if delrepl is None:

install/tools/ipa-dns-install

@@ -89,7 +89,7 @@ def parse_options():
     parser.add_option("--force", dest="force", action="store_true",
                       help="Force install")
 
-    options, args = parser.parse_args()
+    options, _args = parser.parse_args()
     safe_options = parser.get_safe_opts(options)
 
     if options.dnssec_master and options.disable_dnssec_master:

install/tools/ipa-replica-conncheck

@@ -185,7 +185,7 @@ def parse_options():
     parser.add_option("--no-log", dest="log_to_file", action="store_false",
                       default=True, help="Do not log into file")
 
-    options, args = parser.parse_args()
+    options, _args = parser.parse_args()
     safe_options = parser.get_safe_opts(options)
 
     if options.master and options.replica: