erp5.mariadb: Add convenience symlink to mysqlbinlog.

stack/erp5/buildout.cfg

@@ -177,7 +177,7 @@ context =
 [template-mariadb]
 < = download-base
 filename = instance-mariadb.cfg.in
-md5sum = 4d88686ec012f3eb068b9777e08e55ba
+md5sum = 087e92559489e1c77a3a1ace613a6bf5
 link-binary =
   ${coreutils:location}/bin/basename
   ${coreutils:location}/bin/cat

stack/erp5/instance-mariadb.cfg.in

@@ -163,6 +163,10 @@ recipe = slapos.cookbook:symbolic.link
 target-directory = ${directory:bin}
 link-binary = {{ dumps(parameter_dict['link-binary']) }}
 
+[{{ section("binary-link-mysqlbinlog") }}]
+< = binary-link
+link-binary = {{ parameter_dict['mariadb-location'] }}/bin/mysqlbinlog
+
 [binary-wrap-base]
 recipe = slapos.cookbook:wrapper
 # Note: --defaults-file must be the first argument, otherwise wrapped binary