ReadOnly: add a new control to activate readonly lock capability for a database.

[ddiss/ctdb.git] / tools / ctdb.c

diff --git a/tools/ctdb.c b/tools/ctdb.c
index 1770fe4e8055c38ed810326a4a8deab9c22e0091..331392c2e430a9011850efb66d0bae07e2806403 100644 (file)
--- a/tools/ctdb.c
+++ b/tools/ctdb.c
@@ -4081,6 +4081,29 @@ static int control_getdbprio(struct ctdb_context *ctdb, int argc, const char **a
        return 0;
 }
 
+/*
+  set the readonly capability for a database
+ */
+static int control_setdbreadonly(struct ctdb_context *ctdb, int argc, const char **argv)
+{
+       uint32_t db_id;
+       int ret;
+
+       if (argc < 1) {
+               usage();
+       }
+
+       db_id = strtoul(argv[0], NULL, 0);
+
+       ret = ctdb_ctrl_set_db_readonly(ctdb, options.pnn, db_id);
+       if (ret != 0) {
+               DEBUG(DEBUG_ERR,("Unable to set db to support readonly\n"));
+               return -1;
+       }
+
+       return 0;
+}
+
 /*
   run an eventscript on a node
  */
@@ -5072,6 +5095,7 @@ static const struct {
        { "setrecmasterrole", control_setrecmasterrole, false,  false, "Set RECMASTER role to on/off", "{on|off}"},
        { "setdbprio",        control_setdbprio,        false,  false, "Set DB priority", "<dbid> <prio:1-3>"},
        { "getdbprio",        control_getdbprio,        false,  false, "Get DB priority", "<dbid>"},
+       { "setdbreadonly",    control_setdbreadonly,    false,  false, "Set DB readonly capable", "<dbid>"},
        { "msglisten",        control_msglisten,        false,  false, "Listen on a srvid port for messages", "<msg srvid>"},
        { "msgsend",          control_msgsend,  false,  false, "Send a message to srvid", "<srvid> <message>"},
        { "sync",            control_ipreallocate,      false,  false,  "wait until ctdbd has synced all state changes" },