add SIGUSR1 handler to trigger PROXYSQL FLUSH LOGS

sysown · Apr 9, 2024 · 3e3b6ec · 3e3b6ec
1 parent 6d9252a
commit 3e3b6ec
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/lib/ProxySQL_Admin.cpp b/lib/ProxySQL_Admin.cpp
@@ -1837,7 +1837,9 @@ bool admin_handler_command_proxysql(char *query_no_space, unsigned int query_no_
 			}
 			free(ssl_keylog_file);
 		}	
-		SPA->send_MySQL_OK(&sess->client_myds->myprot, NULL);
+		if (sess != NULL) {
+			SPA->send_MySQL_OK(&sess->client_myds->myprot, NULL);
+		}
 		return false;
 	}
 

diff --git a/lib/ProxySQL_GloVars.cpp b/lib/ProxySQL_GloVars.cpp
@@ -15,6 +15,16 @@
 #include "MySQL_LDAP_Authentication.hpp"
 
 extern MySQL_LDAP_Authentication* GloMyLdapAuth;
+extern bool admin_handler_command_proxysql(char* query_no_space, unsigned int query_no_spcae_lenght, MySQL_Session *sess, ProxySQL_Admin *pa);
+extern ProxySQL_Admin *GloAdmin;
+
+static void log_handler(int sig) {
+	proxy_warning("Received SIGUSR1 signal: PROXYSQL FLUSH LOGS; in progress...\n");
+/*
+Support system logging facilities sending SIGUSR1 to do log rotation
+*/
+	admin_handler_command_proxysql("PROXYSQL FLUSH LOGS", 19, NULL, GloAdmin);
+}
 
 static void term_handler(int sig) {
 	proxy_warning("Received TERM signal: shutdown in progress...\n");
@@ -299,6 +309,7 @@ ProxySQL_GlobalVariables::ProxySQL_GlobalVariables() :
 };
 
 void ProxySQL_GlobalVariables::install_signal_handler() {
+	signal(SIGUSR1, log_handler);
 	signal(SIGTERM, term_handler);
 	signal(SIGSEGV, crash_handler);
 	signal(SIGABRT, crash_handler);