ipa commands: print 'IPA is not configured' when ipa is not setup

Some commands print tracebacks or unclear error message when
they are called on a machine where ipa packages are installed but
IPA is not configured.
Consistently report 'IPA is not configured on this system' in this
case.

Related to https://pagure.io/freeipa/issue/6261

Reviewed-By: Christian Heimes <cheimes@redhat.com>

ipaserver/advise/base.py

@@ -30,6 +30,7 @@ from ipalib.errors import ValidationError
 from ipaplatform.paths import paths
 from ipapython import admintool
 from ipapython.ipa_log_manager import Filter
+from ipaserver.install import installutils
 
 
 """
@@ -418,6 +419,7 @@ class IpaAdvise(admintool.AdminTool):
 
     def validate_options(self):
         super(IpaAdvise, self).validate_options(needs_root=False)
+        installutils.check_server_configuration()
 
         if len(self.args) > 1:
             raise self.option_parser.error("You can only provide one "

ipaserver/install/ipa_pkinit_manage.py

@@ -9,6 +9,7 @@ import logging
 from ipalib import api
 from ipaplatform.paths import paths
 from ipapython.admintool import AdminTool
+from ipaserver.install import installutils
 from ipaserver.install.krbinstance import KrbInstance, is_pkinit_enabled
 
 logger = logging.getLogger(__name__)
@@ -21,6 +22,7 @@ class PKINITManage(AdminTool):
 
     def validate_options(self):
         super(PKINITManage, self).validate_options(needs_root=True)
+        installutils.check_server_configuration()
 
         option_parser = self.option_parser
 

ipaserver/install/ipa_server_upgrade.py

@@ -35,6 +35,8 @@ class ServerUpgrade(admintool.AdminTool):
     def validate_options(self):
         super(ServerUpgrade, self).validate_options(needs_root=True)
 
+        installutils.check_server_configuration()
+
         if self.options.force:
             self.options.skip_version_check = True
 

ipaserver/install/ipa_winsync_migrate.py

@@ -350,7 +350,7 @@ class WinsyncMigrate(admintool.AdminTool):
         # Check if the IPA server is configured before attempting to migrate
         try:
             installutils.check_server_configuration()
-        except RuntimeError as e:
+        except admintool.ScriptError as e:
             sys.exit(e)
 
         # Finalize API