Initial import

flush_host_cache.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+
+#LOGGING=true
+LOGGING=false
+
+mysqladmin=`realpath $(which mysqladmin) 2>/dev/null`
+if [ -z "$mysqladmin" ]; then
+   if [ -x "/usr/local/mysql/bin/mysqladmin" ]; then
+      mysql=/usr/local/mysql/bin/mysqladmin
+   else
+      echo
+      echo -e "\t[ Error ]: \"mysqladmin\"  not found !!!"
+      echo
+      exit
+   fi
+fi
+
+## - Since Version 5.6, that method is considered as insecure. 
+## - To avoid giving the password on command line, we use an 
+## - encrypted option file
+## -
+## -    Create (encrypted) option file:
+## -    $ mysql_config_editor set --login-path=local --socket=/var/run/mysqld/mysqld.sock  --user=backup --password
+## -    $ Password:
+## -
+## -    Use of option file:
+## -    $ mysql --login-path=local ...
+## -
+mysql_credential_args="--login-path=local"
+#mysql_user='sys-maint'
+#mysql_password='9A7NUgaJST1XiEUU'
+
+if $LOGGING ;then
+   echo -e "\n[ `date` ] Going to flush host cache.."
+fi
+
+if [ -n "$mysql_credential_args" ] ; then
+   $mysqladmin $mysql_credential_args flush-hosts
+else
+   $mysqladmin -u$mysql_user -p$mysql_password flush-hosts
+fi
+
+[[ $? -gt 0 ]] && echo -e "\t[ Error ]: Flushing host cache failed !!"
+
+if $LOGGING ;then
+    echo -e "\n[ `date` ] End flushing host cache"
+fi
+
+exit 0