Adjust log entry levels for severe conditions

When Lacre is misconfigured or can't proceed, report WARNING or even ERROR
level messages.

gpg-mailgate-web/cron.py

@@ -119,14 +119,14 @@ if conf.config_item_equals('database', 'enabled', 'yes') and conf.config_item_se
 				modq = gpgmw_keys.update().where(gpgmw_keys.c.id == row[1]).values(status = 1)
 				LOG.debug(f"Key imported, updating key: {modq}")
 				conn.execute(modq) # mark key as accepted
-				LOG.info('Imported key from <' + row[2] + '>')
+				LOG.warning('Imported key from <' + row[2] + '>')
 				if conf.config_item_equals('cron', 'send_email', 'yes'):
 					send_msg( "PGP key registration successful", "registrationSuccess.md", row[2] )
 			else:
 				delq = delete(gpgmw_keys).where(gpgmw_keys.c.id == row[1])
 				LOG.debug(f"Cannot confirm key, deleting it: {delq}")
 				conn.execute(delq) # delete key
-				LOG.info('Import confirmation failed for <' + row[2] + '>')
+				LOG.warning('Import confirmation failed for <' + row[2] + '>')
 				if conf.config_item_equals('cron', 'send_email', 'yes'):
 					send_msg( "PGP key registration failed", "registrationError.md", row[2] )
 		else:
@@ -149,3 +149,4 @@ if conf.config_item_equals('database', 'enabled', 'yes') and conf.config_item_se
 		LOG.info('Deleted key for <' + row[0] + '>')
 else:
 	print("Warning: doing nothing since database settings are not configured!")
+	LOG.error("Warning: doing nothing since database settings are not configured!")

gpg-mailgate.py

@@ -47,7 +47,7 @@ def gpg_encrypt( raw_message, recipients ):
 	global LOG
 
 	if not conf.config_item_set('gpg', 'keyhome'):
-		LOG.info("No valid entry for gpg keyhome. Encryption aborted.")
+		LOG.error("No valid entry for gpg keyhome. Encryption aborted.")
 		return recipients
 
 	keys = GnuPG.public_keys( conf.get_item('gpg', 'keyhome') )
@@ -370,7 +370,7 @@ def send_msg( message, recipients ):
 	recipients = [_f for _f in recipients if _f]
 	if recipients:
 		if not (conf.config_item_set('relay', 'host') and conf.config_item_set('relay', 'port')):
-			LOG.info("Missing settings for relay. Sending email aborted.")
+			LOG.warning("Missing settings for relay. Sending email aborted.")
 			return None
 		LOG.info("Sending email to: <%s>" % '> <'.join( recipients ))
 		relay = (conf.get_item('relay', 'host'), int(conf.get_item('relay', 'port')))