ipaclient_test: Added error message to ScriptError calls only using rval

The use of ScriptError without an error message but with rval resulted in
very limited information in ansible. The error messages from logger.error
calls have have added to these ScriptError raises.

roles/ipaclient/library/ipaclient_test.py

@@ -477,7 +477,9 @@ def main():
         #    logger.info(
         #        "If you want to reinstall the IPA client, uninstall it first "
         #        "using 'ipa-client-install --uninstall'.")
-        #    raise ScriptError(rval=CLIENT_ALREADY_CONFIGURED)
+        #    raise ScriptError(
+        #        "IPA client is already configured on this system.",
+        #        rval=CLIENT_ALREADY_CONFIGURED)
 
         check_ldap_conf()
 
@@ -583,8 +585,9 @@ def main():
             logger.warning("Using existing certificate '%s'.", paths.IPA_CA_CRT)
 
         if not check_ip_addresses(options):
-            module.warn("Failed to check ip addresses, check installation log")
-            raise ScriptError(rval=CLIENT_INSTALL_ERROR)
+            raise ScriptError(
+                "Failed to check ip addresses, check installation log",
+                rval=CLIENT_INSTALL_ERROR)
 
         # Create the discovery instance
         ds = ipadiscovery.IPADiscovery()
@@ -608,15 +611,16 @@ def main():
                 "This may mean that the remote server is not up "
                 "or is not reachable due to network or firewall settings.")
             print_port_conf_info()
-            module.warn("Failed to verify that %s is an IPA Server." %
-                        ', '.join(options.server))
-            raise ScriptError(rval=CLIENT_INSTALL_ERROR)
+            raise ScriptError("Failed to verify that %s is an IPA Server." %
+                              ', '.join(options.server),
+                              rval=CLIENT_INSTALL_ERROR)
 
         if ret == ipadiscovery.BAD_HOST_CONFIG:
             logger.error("Can't get the fully qualified name of this host")
             logger.info("Check that the client is properly configured")
-            module.warn("Can't get the fully qualified name of this host")
-            raise ScriptError(rval=CLIENT_INSTALL_ERROR)
+            raise ScriptError(
+                "Can't get the fully qualified name of this host",
+                rval=CLIENT_INSTALL_ERROR)
         if ret == ipadiscovery.NOT_FQDN:
             raise ScriptError(
                 "{} is not a fully-qualified hostname".format(hostname),
@@ -723,7 +727,8 @@ def main():
             logger.error("%s is not an IPA v2 Server.", cli_server[0])
             print_port_conf_info()
             logger.debug("(%s: %s)", cli_server[0], cli_server_source)
-            raise ScriptError(rval=CLIENT_INSTALL_ERROR)
+            raise ScriptError("%s is not an IPA v2 Server." % cli_server[0],
+                              rval=CLIENT_INSTALL_ERROR)
 
         if ret == ipadiscovery.NO_ACCESS_TO_LDAP:
             logger.warning("Anonymous access to the LDAP server is disabled.")
@@ -748,7 +753,9 @@ def main():
                 "or is not reachable due to network or firewall settings.")
             print_port_conf_info()
             logger.debug("(%s: %s)", cli_server[0], cli_server_source)
-            raise ScriptError(rval=CLIENT_INSTALL_ERROR)
+            raise ScriptError("Failed to verify that %s is an IPA Server." %
+                              cli_server[0],
+                              rval=CLIENT_INSTALL_ERROR)
 
         cli_kdc = ds.kdc
         if dnsok and not cli_kdc:
@@ -788,7 +795,9 @@ def main():
                 "The provided realm name [%s] does not match discovered one [%s]",
                 options.realm_name, cli_realm)
             logger.debug("(%s: %s)", cli_realm, cli_realm_source)
-            raise ScriptError(rval=CLIENT_INSTALL_ERROR)
+            raise ScriptError(
+                "The provided realm name [%s] does not match discovered one [%s]" % (options.realm_name, cli_realm),
+                rval=CLIENT_INSTALL_ERROR)
 
         cli_basedn = ds.basedn
         cli_basedn_source = ds.basedn_source