commit 70cdc65472452e0179e2ebeb13aa82400c86017f
Author: Elan Ruusamäe <g...@delfi.ee>
Date: Thu Jul 12 18:13:54 2012 +0300
report slave status with service mysql status
mysql.init | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 58 insertions(+)
---
diff --git a/mysql.init b/mysql.init
index 9b43c19..aa6ad32 100644
--- a/mysql.init
+++ b/mysql.init
@@ -357,6 +357,58 @@ mysqlstop() {
fi
}
+# report slave status
+# uses MYSQL_SOCKET - path to mysql socket
+slave_status() {
+ # see if slave status can be reported
+ local err=0 slave_status=$(mysql -S $MYSQL_SOCKET -e 'show slave
status\G')
+ if [ -z "$slave_status" ]; then
+ # slave not setup
+ return
+ fi
+
+ printf "\tSlave Status:\n"
+
+ eval $(echo "$slave_status" | awk -F': ' '/^ *[A-Za-z_]+:/{
+ k = tolower($1);
+ v = substr($0, length($1) + 3);
+ gsub(/\\/, "\\\\\\", v);
+ gsub(/"/, "\\\"", v);
+ gsub(/`/, "\\`", v);
+ gsub(/\$/, "\\$", v);
+ printf("%s=\"%s\";\n", k, v);
+ }')
+
+ if [ "$slave_io_running" != "Yes" ]; then
+ printf "\tSlave IO not running\n"
+ err=1
+ fi
+ if [ "$slave_sql_running" != "Yes" ]; then
+ printf "\tSlave SQL not running\n"
+ err=1
+ fi
+
+ if [ "$err" = 1 -a "$last_errno" -gt 0 ]; then
+ printf "\tERROR $last_errno: $last_error\n"
+ fi
+
+ if [ "$master_log_file" != "$relay_master_log_file" ]; then
+ printf "\tERROR logfile mismatch ($relay_master_log_file)\n"
+ err=1
+ fi
+
+ if [ -z "$read_master_log_pos" -o -z "$exec_master_log_pos" ]; then
+ printf "\tERROR No info about master\n"
+ err=1
+ return
+ fi
+
+ diff=$(($read_master_log_pos - $exec_master_log_pos))
+ printf "\tread pos: $read_master_log_pos ($master_log_file) (host:
$master_host:$master_port)\n"
+ printf "\texec pos: $exec_master_log_pos\n"
+ printf "\tdiff: $diff\n"
+}
+
#
# check for running mysql instances; if any instance is running then
# create subsys lock file
@@ -615,6 +667,9 @@ case "$action" in
nls "MySQL cluster %s, pid %s\n" "$mysqldir" "$pid"
[ -z "$MYSQL_SKIP_NETWORKING" ] && nls "\ttcp:%s:%s\n"
"$addr" "$port"
nls "\tunix:%s\n" "$socket"
+
+ MYSQL_SOCKET=$socket slave_status
+
pids="$pids/$MYSQL_PID/"
progress "$MYSQL_STATUS"
else
@@ -645,6 +700,9 @@ case "$action" in
nls "MySQL cluster %s, pid %s\n" "$mysqldir"
"$pid"
[ -z "$MYSQL_SKIP_NETWORKING" ] && nls
"\ttcp:%s:%s\n" "$addr" "$port"
nls "\tunix:%s\n" "$socket"
+
+ MYSQL_SOCKET=$socket slave_status
+
progress "$MYSQL_STATUS"
else
show "MySQL cluster %s" "$mysqldir"
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