reorg

rootfs/usr/local/bin/healthcheck.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+MYSQL_ROOT_PASSWORD=${MYSQL_ROOT_PASSWORD:-nopassword}
+
+# slave not configured
+SLAVE_STATUS=$(mysql -uroot -p"${MYSQL_ROOT_PASSWORD}" -e 'SHOW SLAVE STATUS\G')
+if [[ -z "${SLAVE_STATUS}" ]]; then
+    exit 0
+fi
+
+# extract slave status
+SLAVE_IO=$(echo "${SLAVE_STATUS}" | awk -F: '/Slave_IO_Running/ {gsub(/ /, "", $2); print $2}')
+SLAVE_SQL=$(echo "${SLAVE_STATUS}" | awk -F: '/Slave_SQL_Running/ {gsub(/ /, "", $2); print $2}')
+
+# slave ok
+if [[ "${SLAVE_IO}" == "Yes" && "${SLAVE_SQL}" == "Yes" ]]; then
+    exit 0
+fi
+
+# slave not ok
+exit 1
+