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ctdb-daemon: Factor out new function ctdb_node_become_inactive()

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This is a superset of ctdb_local_node_got_banned() so will replace
that function, and will also be used in the NODE_STOP control.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14087

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This commit is contained in:
Martin Schwenke 2019-08-19 21:47:03 +10:00 committed by Amitay Isaacs
parent f8e79be2c1
commit a42bcaabb6
2 changed files with 45 additions and 0 deletions
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2
ctdb/include/ctdb_private.h
View File

@ -819,6 +819,8 @@ int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb,
uint32_t opcode, TDB_DATA indata);
void ctdb_node_become_inactive(struct ctdb_context *ctdb);
int32_t ctdb_control_stop_node(struct ctdb_context *ctdb);
int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);

43
ctdb/server/ctdb_recover.c
View File

@ -1420,6 +1420,49 @@ int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, T
return 0;
}
void ctdb_node_become_inactive(struct ctdb_context *ctdb)
{
struct ctdb_db_context *ctdb_db;
D_WARNING("Making node INACTIVE\n");
/*
* Do not service database calls - reset generation to invalid
* so this node ignores any REQ/REPLY CALL/DMASTER
*/
ctdb->vnn_map->generation = INVALID_GENERATION;
for (ctdb_db = ctdb->db_list; ctdb_db != NULL; ctdb_db = ctdb_db->next) {
ctdb_db->generation = INVALID_GENERATION;
}
/*
* Although this bypasses the control, the only thing missing
* is the deferred drop of all public IPs, which isn't
* necessary because they are dropped below
*/
if (ctdb->recovery_mode != CTDB_RECOVERY_ACTIVE) {
D_NOTICE("Recovery mode set to ACTIVE\n");
ctdb->recovery_mode = CTDB_RECOVERY_ACTIVE;
}
/*
* Initiate database freeze - this will be scheduled for
* immediate execution and will be in progress long before the
* calling control returns
*/
ctdb_daemon_send_control(ctdb,
ctdb->pnn,
0,
CTDB_CONTROL_FREEZE,
0,
CTDB_CTRL_FLAG_NOREPLY,
tdb_null,
NULL,
NULL);
D_NOTICE("Dropping all public IP addresses\n");
ctdb_release_all_ips(ctdb);
}
int32_t ctdb_control_stop_node(struct ctdb_context *ctdb)
{