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cluster: RHEL5 - cman: Use the new openais exit APIs
- From: Christine Caulfield <chrissie at fedoraproject dot org>
- To: cluster-cvs-relay at redhat dot com
- Date: Thu, 18 Jun 2009 07:06:11 +0000 (UTC)
- Subject: cluster: RHEL5 - cman: Use the new openais exit APIs
Gitweb: http://git.fedorahosted.org/git/cluster.git?p=cluster.git;a=commitdiff;h=36ac90224ae2668723df9679d1faecfebd3975c6
Commit: 36ac90224ae2668723df9679d1faecfebd3975c6
Parent: be1c17d223b2c7afcd8261532e5a53225492dcf3
Author: Christine Caulfield <ccaulfie@redhat.com>
AuthorDate: Thu Jun 18 08:04:50 2009 +0100
Committer: Christine Caulfield <ccaulfie@redhat.com>
CommitterDate: Thu Jun 18 08:04:50 2009 +0100
cman: Use the new openais exit APIs
When cman needs to shut down (eg killed by another node or cman_tool)
it now calls the openais exit APIs so that semaphores etc can be cleaned
up.
bz#505594
Signed-off-by: Christine Caulfield <ccaulfie@redhat.com>
---
cman/daemon/ais.c | 5 +++++
cman/daemon/ais.h | 5 +++++
cman/daemon/commands.c | 8 ++++----
3 files changed, 14 insertions(+), 4 deletions(-)
diff --git a/cman/daemon/ais.c b/cman/daemon/ais.c
index 817ce42..9a874a8 100644
--- a/cman/daemon/ais.c
+++ b/cman/daemon/ais.c
@@ -272,6 +272,11 @@ static int cman_exec_init_fn(struct objdb_iface_ver0 *objdb)
/* Open local sockets and initialise I/O queues */
cman_init();
+ /* Tell aisexec about reasons we will cause it to exit */
+ openais_shutdown_errorstring_register (CMAN_EXIT_AISEXEC_QUIT, "CMAN requested shutdown");
+ openais_shutdown_errorstring_register (CMAN_EXIT_AISEXEC_DISALLOWED, "CMAN joined disallowed cluster, exiting");
+ openais_shutdown_errorstring_register (CMAN_EXIT_AISEXEC_KILL, "CMAN kill requested, exiting");
+
/* Let cman_tool know we are running */
close(startup_pipe);
startup_pipe = 0;
diff --git a/cman/daemon/ais.h b/cman/daemon/ais.h
index db3bbd6..a5795bc 100644
--- a/cman/daemon/ais.h
+++ b/cman/daemon/ais.h
@@ -26,3 +26,8 @@ extern struct totem_ip_address mcast_addr[MAX_INTERFACES];
extern struct totem_ip_address ifaddrs[MAX_INTERFACES];
extern int num_interfaces;
extern int num_ais_nodes;
+
+/* Reasons we kill aisexec */
+#define CMAN_EXIT_AISEXEC_QUIT 64
+#define CMAN_EXIT_AISEXEC_DISALLOWED 65
+#define CMAN_EXIT_AISEXEC_KILL 66
diff --git a/cman/daemon/commands.c b/cman/daemon/commands.c
index a67ad5a..710449e 100644
--- a/cman/daemon/commands.c
+++ b/cman/daemon/commands.c
@@ -851,7 +851,7 @@ static int do_cmd_leave_cluster(char *cmdbuf, int *retlen)
/* No messaging available yet, just die */
if (!we_are_a_cluster_member)
- exit(0);
+ openais_shutdown(CMAN_EXIT_AISEXEC_QUIT);
send_leave(leave_flags);
use_count = 0;
@@ -1725,7 +1725,7 @@ static void do_process_transition(int nodeid, char *data, int len)
if (msg->flags & NODE_FLAGS_SEESDISALLOWED && !have_disallowed()) {
/* Must use syslog directly here or the message will never arrive */
syslog(LOG_CRIT, "CMAN: Joined a cluster with disallowed nodes. must die");
- exit(2);
+ openais_shutdown(CMAN_EXIT_AISEXEC_DISALLOWED);
}
msg->flags &= ~NODE_FLAGS_SEESDISALLOWED;
@@ -1884,7 +1884,7 @@ static void process_internal_message(char *data, int len, int nodeid, int need_b
if (killmsg->nodeid == wanted_nodeid) {
log_msg(LOG_INFO, "cman killed by node %d because %s\n", nodeid,
killmsg_reason(killmsg->reason));
- exit(1);
+ openais_shutdown(CMAN_EXIT_AISEXEC_KILL);
}
break;
@@ -1897,7 +1897,7 @@ static void process_internal_message(char *data, int len, int nodeid, int need_b
/* Tell whomever asked us to leave that we are now going down */
if (shutdown_con)
send_status_return(shutdown_con, CMAN_CMD_TRY_SHUTDOWN, 0);
- exit(0);
+ openais_shutdown(CMAN_EXIT_AISEXEC_QUIT);
}
/* Someone else, make a note of the reason for leaving */