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ocfs2-tools/ocfs2_controld-pacemaker.diff

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diff --git a/ocfs2_controld/pacemaker.c b/ocfs2_controld/pacemaker.c
--- a/ocfs2_controld/pacemaker.c
+++ b/ocfs2_controld/pacemaker.c
@@ -20,20 +20,31 @@
#include <unistd.h>
#include <syslog.h>
-#include <crm/crm.h>
-#include <crm/common/cluster.h>
-#include <fencing/stonithd_api.h>
+#include <bzlib.h>
+
+#include <pacemaker/crm_config.h>
+
+/* heartbeat support is irrelevant here */
+#undef SUPPORT_HEARTBEAT
+#define SUPPORT_HEARTBEAT 0
+
+#include <pacemaker/crm/crm.h>
+#include <pacemaker/crm/ais.h>
+#include <pacemaker/crm/attrd.h>
+#include <pacemaker/crm/common/cluster.h>
+#include <pacemaker/crm/common/stack.h>
+#include <pacemaker/crm/common/ipc.h>
+#include <pacemaker/crm/msg_xml.h>
#include "ocfs2-kernel/kernel-list.h"
#include "o2cb/o2cb.h"
#include "ocfs2_controld.h"
-#include <bzlib.h>
-#include <crm/crm.h>
-#include <crm/ais.h>
#include <sys/utsname.h>
+#define log_printf(level, format, args...) syslog(level, "%s:%d " format "\n", __FILE__, __LINE__, ##args)
+
int our_nodeid = 0;
static int pcmk_ci;
static int stonithd_ci;
@@ -44,29 +55,57 @@ const char *stackname = "pcmk";
extern int ais_fd_async;
char *local_node_uname = NULL;
-int kill_stack_node(int nodeid)
-{
- int error = 1;
- stonith_ops_t st_op;
- char *target = nodeid2name(nodeid);
-
- log_debug("killing node %d (aka. %s)", nodeid, target);
-
- if(target) {
- st_op.timeout = 150;
- st_op.node_uuid = NULL;
- st_op.private_data = NULL;
- st_op.node_name = target;
- st_op.optype = POWEROFF;
-
- error = stonithd_node_fence(&st_op);
- }
+static IPC_Channel *attrd = NULL;
- if (error)
- log_debug("Unable to kill node %d, %d %d", nodeid, error,
- errno);
+static void attrd_deadfn(int ci)
+{
+ log_printf(LOG_ERR, "Lost connection to attrd");
+ attrd = NULL;
+ return;
+}
- return error;
+int kill_stack_node(int nodeid)
+{
+ gboolean rc = FALSE;
+ xmlNode *update = NULL;
+ time_t now = time(NULL);
+ crm_node_t *node = crm_get_peer(nodeid, NULL);
+
+ if(node == NULL || node->uname == NULL) {
+ log_printf(LOG_ERR, "%s: Don't know how to kick node %d/%p", __FUNCTION__, nodeid, node);
+ return -1;
+ }
+
+ if(attrd == NULL) {
+ log_printf(LOG_INFO, "Connecting to attrd...");
+ attrd = init_client_ipc_comms_nodispatch(T_ATTRD);
+ if(attrd) {
+ connection_add(attrd->ops->get_recv_select_fd(attrd), NULL, attrd_deadfn);
+ }
+ }
+
+ if(attrd != NULL) {
+ update = create_xml_node(NULL, __FUNCTION__);
+ crm_xml_add(update, F_TYPE, T_ATTRD);
+ crm_xml_add(update, F_ORIG, crm_system_name);
+
+ crm_xml_add(update, F_ATTRD_TASK, "update");
+ crm_xml_add(update, F_ATTRD_SECTION, XML_CIB_TAG_STATUS);
+ crm_xml_add(update, F_ATTRD_ATTRIBUTE, "terminate");
+ crm_xml_add_int(update, F_ATTRD_VALUE, now);
+ crm_xml_add(update, F_ATTRD_HOST, node->uname);
+
+ rc = send_ipc_message(attrd, update);
+ free_xml(update);
+ }
+
+ if(rc) {
+ log_printf(LOG_INFO, "Requested that node %d/%s be kicked from the cluster", nodeid, node->uname);
+ return 1;
+ }
+
+ log_printf(LOG_ERR, "Could not kick node %d/%s from the cluster", nodeid, node->uname);
+ return 0;
}
char *nodeid2name(int nodeid) {
@@ -81,7 +120,7 @@ char *nodeid2name(int nodeid) {
int validate_cluster(const char *cluster)
{
if (!clustername) {
- log_error("Trying to validate before pacemaker is alive");
+ log_printf(LOG_ERR, "Trying to validate before pacemaker is alive");
return 0;
}
@@ -94,12 +133,12 @@ int validate_cluster(const char *cluster)
int get_clustername(const char **cluster)
{
if (!clustername) {
- log_error("Trying to validate before pacemaker is alive");
+ log_printf(LOG_ERR, "Trying to validate before pacemaker is alive");
return -EIO;
}
if (!cluster) {
- log_error("NULL passed!");
+ log_printf(LOG_ERR, "NULL passed!");
return -EINVAL;
}
@@ -110,316 +149,36 @@ int get_clustername(const char **cluster)
static void dead_pcmk(int ci)
{
if (ci != pcmk_ci) {
- log_error("Unknown connection %d", ci);
+ log_printf(LOG_ERR, "Unknown connection %d", ci);
return;
}
- log_error("pacemaker connection died");
+ log_printf(LOG_ERR, "pacemaker connection died");
shutdown_daemon();
connection_dead(ci);
}
+extern void terminate_ais_connection(void);
+
void exit_stack(void)
{
- log_debug("closing stonithd connection");
- stonithd_signoff();
-
log_debug("closing pacemaker connection");
- if (ais_fd_async) {
- close(ais_fd_async);
- ais_fd_async = 0;
- }
- if (ais_fd_sync) {
- close(ais_fd_sync);
- ais_fd_sync = 0;
- }
+ terminate_ais_connection();
}
static void process_pcmk(int ci)
{
- /* ci ::= client number */
- char *data = NULL;
- char *uncompressed = NULL;
- AIS_Message *msg = NULL;
- SaAisErrorT rc = SA_AIS_OK;
- mar_res_header_t *header = NULL;
- static int header_len = sizeof(mar_res_header_t);
-
- header = malloc(header_len);
- memset(header, 0, header_len);
-
- errno = 0;
- rc = saRecvRetry(ais_fd_async, header, header_len);
- if (rc != SA_AIS_OK) {
- cl_perror("Receiving message header failed: (%d) %s", rc,
- ais_error2text(rc));
- goto bail;
- } else if(header->size == header_len) {
- log_error("Empty message: id=%d, size=%d, error=%d, header_len=%d",
- header->id, header->size, header->error, header_len);
- goto done;
- } else if(header->size == 0 || header->size < header_len) {
- log_error("Mangled header: size=%d, header=%d, error=%d",
- header->size, header_len, header->error);
- goto done;
- } else if(header->error != 0) {
- log_error("Header contined error: %d", header->error);
- }
-
- header = realloc(header, header->size);
- /* Use a char* so we can store the remainder into an offset */
- data = (char*)header;
-
- errno = 0;
- rc = saRecvRetry(ais_fd_async, data+header_len, header->size - header_len);
- msg = (AIS_Message*)data;
-
- if (rc != SA_AIS_OK) {
- cl_perror("Receiving message body failed: (%d) %s", rc, ais_error2text(rc));
- goto bail;
- }
-
- data = msg->data;
- if(msg->is_compressed && msg->size > 0) {
- int rc = BZ_OK;
- unsigned int new_size = msg->size;
-
- if (check_message_sanity(msg, NULL) == FALSE)
- goto badmsg;
-
- log_debug("Decompressing message data");
- uncompressed = malloc(new_size);
- memset(uncompressed, 0, new_size);
-
- rc = BZ2_bzBuffToBuffDecompress(
- uncompressed, &new_size, data, msg->compressed_size,
- 1, 0);
-
- if(rc != BZ_OK) {
- log_error("Decompression failed: %d", rc);
- goto badmsg;
- }
-
- CRM_ASSERT(rc == BZ_OK);
- CRM_ASSERT(new_size == msg->size);
-
- data = uncompressed;
-
- } else if(check_message_sanity(msg, data) == FALSE) {
- goto badmsg;
-
- } else if(safe_str_eq("identify", data)) {
- int pid = getpid();
- char *pid_s = crm_itoa(pid);
-
- send_ais_text(0, pid_s, TRUE, NULL, crm_msg_ais);
- crm_free(pid_s);
- goto done;
- }
-
- if (msg->header.id == crm_class_members) {
- xmlNode *xml = string2xml(data);
-
- if(xml != NULL) {
- const char *value = crm_element_value(xml, "id");
- if(value)
- crm_peer_seq = crm_int_helper(value, NULL);
-
- log_debug("Updating membership %llu", crm_peer_seq);
- /* crm_log_xml_info(xml, __PRETTY_FUNCTION__); */
- xml_child_iter(xml, node, crm_update_ais_node(node, crm_peer_seq));
- crm_calculate_quorum();
- free_xml(xml);
- } else {
- log_error("Invalid peer update: %s", data);
- }
- } else {
- log_error("Unexpected AIS message type: %d", msg->header.id);
- }
-
-done:
- free(uncompressed);
- free(msg);
- return;
-
-badmsg:
- log_error("Invalid message (id=%d, dest=%s:%s, from=%s:%s.%d):"
- " min=%d, total=%d, size=%d, bz2_size=%d",
- msg->id, ais_dest(&(msg->host)), msg_type2text(msg->host.type),
- ais_dest(&(msg->sender)), msg_type2text(msg->sender.type),
- msg->sender.pid, (int)sizeof(AIS_Message),
- msg->header.size, msg->size, msg->compressed_size);
- free(uncompressed);
- free(msg);
- return;
-
-bail:
- log_error("AIS connection failed");
- return;
-}
-
-static void dead_stonithd(int ci)
-{
- if (ci != stonithd_ci) {
- log_error("Unknown connection %d", ci);
- return;
- }
-
- log_error("stonithd connection died");
- shutdown_daemon();
- connection_dead(ci);
-}
-
-static void process_stonithd(int ci)
-{
- IPC_Channel *stonithd_ch = stonithd_input_IPC_channel();
-
- while (stonithd_op_result_ready()) {
- if (stonithd_ch->ch_status != IPC_CONNECT) {
- /* The message which was pending for us is that
- * the IPC status is now IPC_DISCONNECT */
- break;
- }
-
- if (ST_FAIL == stonithd_receive_ops_result(FALSE)) {
- log_error("stonithd_receive_ops_result() failed");
- }
- }
-
- if (stonithd_ch->ch_status != IPC_CONNECT)
- dead_stonithd(stonithd_ci);
-}
-
-static void result_stonithd(stonith_ops_t *op)
-{
- if (op == NULL) {
- log_error("Called with a NULL op!");
- return;
- }
-
- log_debug("Stonithd result: call=%d, optype=%d, node_name=%s, result=%d, node_list=%s, action=%s",
- op->call_id, op->optype, op->node_name, op->op_result,
- (char *)op->node_list, op->private_data);
-
- switch(op->op_result) {
- case STONITH_SUCCEEDED:
- break;
- case STONITH_CANNOT:
- case STONITH_TIMEOUT:
- case STONITH_GENERIC:
- log_error("Stonith of %s failed (%d)",
- op->node_name, op->op_result);
- break;
- default:
- log_error("Unsupported action result: %d", op->op_result);
- }
-}
-
-static gboolean setup_stonith(void)
-{
- int lpc = 0;
- int rc = ST_OK;
- int stonithd_fd;
- const char *reason = NULL;
- IPC_Channel *stonithd_ch = NULL;
-
- for(lpc = 0; lpc < 30; lpc++) {
- log_debug("Attempting connection to fencing daemon...");
-
- sleep(1);
- rc = stonithd_signon("ocfs2-tools");
- if(rc == ST_OK)
- break;
-
- log_error("Sign-in failed: pausing and trying again in 2s...");
- sleep(1);
- }
-
- if(rc != ST_OK) {
- reason = "Sign-in failed";
- goto bail;
- }
-
- rc = stonithd_set_stonith_ops_callback(result_stonithd);
- if(rc != ST_OK) {
- reason = "Setup failed";
- goto bail;
- }
-
- stonithd_ch = stonithd_input_IPC_channel();
- if(stonithd_ch == NULL) {
- reason = "No connection";
- goto bail;
- }
- stonithd_fd = stonithd_ch->ops->get_recv_select_fd(stonithd_ch);
- if(stonithd_ch <= 0) {
- reason = "No fd";
- goto bail;
- }
-
- stonithd_ci = connection_add(stonithd_fd, process_stonithd,
- dead_stonithd);
- if (stonithd_ci < 0) {
- log_error("Unable to add stonithd client: %s",
- strerror(-stonithd_ci));
- goto bail;
- }
-
- return TRUE;
-
-bail:
- log_error("Unable to add stonithd client: %s", reason);
- return FALSE;
+ ais_dispatch(ais_fd_async, NULL);
}
int setup_stack(void)
{
- int retries = 0;
- int pid;
- char *pid_s;
- int rc = SA_AIS_OK;
- struct utsname name;
-
crm_log_init("ocfs2_controld", LOG_INFO, FALSE, TRUE, 0, NULL);
- crm_peer_init();
- if (local_node_uname == NULL) {
- if (uname(&name) < 0) {
- cl_perror("uname(2) call failed");
- exit(100);
+ if(init_ais_connection(NULL, NULL, NULL, &local_node_uname, &our_nodeid) == FALSE) {
+ log_printf(LOG_ERR, "Connection to our AIS plugin (%d) failed", CRM_SERVICE);
+ return -1;
}
- local_node_uname = crm_strdup(name.nodename);
- log_debug("Local node name: %s", local_node_uname);
- }
-
-retry:
- log_debug("Creating connection to our AIS plugin");
- rc = saServiceConnect (&ais_fd_sync, &ais_fd_async, CRM_SERVICE);
- if (rc != SA_AIS_OK)
- log_error("Connection to our AIS plugin (%d) failed: %s (%d)",
- CRM_SERVICE, ais_error2text(rc), rc);
-
- switch(rc) {
- case SA_AIS_OK:
- break;
- case SA_AIS_ERR_TRY_AGAIN:
- if(retries < 30) {
- sleep(1);
- retries++;
- goto retry;
- }
- log_error("Retry count exceeded");
- return 0;
- default:
- return 0;
- }
-
- log_debug("AIS connection established");
-
- pid = getpid();
- pid_s = crm_itoa(pid);
- send_ais_text(0, pid_s, TRUE, NULL, crm_msg_ais);
- crm_free(pid_s);
/* Sign up for membership updates */
send_ais_text(crm_class_notify, "true", TRUE, NULL, crm_msg_ais);
@@ -427,14 +186,11 @@ retry:
/* Requesting the current list of known nodes */
send_ais_text(crm_class_members, __FUNCTION__, TRUE, NULL, crm_msg_ais);
- our_nodeid = get_ais_nodeid();
- log_debug("Local node id: %d", our_nodeid);
-
pcmk_ci = connection_add(ais_fd_async, process_pcmk, dead_pcmk);
- if (pcmk_ci >= 0 && setup_stonith())
+ if (pcmk_ci >= 0)
return ais_fd_async;
- log_error("Unable to add pacemaker client: %s", strerror(-pcmk_ci));
+ log_printf(LOG_ERR, "Unable to add pacemaker client: %s", strerror(-pcmk_ci));
exit_stack();
return pcmk_ci;
}
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