Page MenuHomeClusterLabs Projects

No OneTemporary

diff --git a/daemons/based/pacemaker-based.c b/daemons/based/pacemaker-based.c
index 91124db22d..2609742ca2 100644
--- a/daemons/based/pacemaker-based.c
+++ b/daemons/based/pacemaker-based.c
@@ -1,375 +1,375 @@
/*
* Copyright 2004-2020 the Pacemaker project contributors
*
* The version control history for this file may have further details.
*
* This source code is licensed under the GNU General Public License version 2
* or later (GPLv2+) WITHOUT ANY WARRANTY.
*/
#include <crm_internal.h>
#include <stdio.h>
#include <stdlib.h>
#include <pwd.h>
#include <grp.h>
#include <bzlib.h>
#include <sys/types.h>
#include <libxml/parser.h>
#include <crm/crm.h>
#include <crm/cib/internal.h>
#include <crm/msg_xml.h>
#include <crm/cluster/internal.h>
#include <crm/common/xml.h>
#include <crm/common/mainloop.h>
#include <pacemaker-based.h>
extern int init_remote_listener(int port, gboolean encrypted);
gboolean cib_shutdown_flag = FALSE;
int cib_status = pcmk_ok;
crm_cluster_t crm_cluster;
GMainLoop *mainloop = NULL;
const char *cib_root = NULL;
char *cib_our_uname = NULL;
static gboolean preserve_status = FALSE;
gboolean cib_writes_enabled = TRUE;
int remote_fd = 0;
int remote_tls_fd = 0;
GHashTable *config_hash = NULL;
GHashTable *local_notify_queue = NULL;
static void cib_init(void);
void cib_shutdown(int nsig);
static bool startCib(const char *filename);
extern int write_cib_contents(gpointer p);
void cib_cleanup(void);
static void
cib_enable_writes(int nsig)
{
crm_info("(Re)enabling disk writes");
cib_writes_enabled = TRUE;
}
static pcmk__cli_option_t long_options[] = {
// long option, argument type, storage, short option, description, flags
{
"help", no_argument, 0, '?',
"\tThis text", pcmk__option_default
},
{
"verbose", no_argument, NULL, 'V',
"\tIncrease debug output", pcmk__option_default
},
{
"stand-alone", no_argument, NULL, 's',
"\tAdvanced use only", pcmk__option_default
},
{
"disk-writes", no_argument, NULL, 'w',
"\tAdvanced use only", pcmk__option_default
},
{
"cib-root", required_argument, NULL, 'r',
"\tAdvanced use only", pcmk__option_default
},
{ 0, 0, 0, 0 }
};
int
main(int argc, char **argv)
{
int flag;
int rc = 0;
int index = 0;
int argerr = 0;
struct passwd *pwentry = NULL;
crm_ipc_t *old_instance = NULL;
crm_log_preinit(NULL, argc, argv);
pcmk__set_cli_options(NULL, "[options]", long_options,
"daemon for managing the configuration "
"of a Pacemaker cluster");
mainloop_add_signal(SIGTERM, cib_shutdown);
mainloop_add_signal(SIGPIPE, cib_enable_writes);
cib_writer = mainloop_add_trigger(G_PRIORITY_LOW, write_cib_contents, NULL);
while (1) {
flag = pcmk__next_cli_option(argc, argv, &index, NULL);
if (flag == -1)
break;
switch (flag) {
case 'V':
crm_bump_log_level(argc, argv);
break;
case 's':
stand_alone = TRUE;
preserve_status = TRUE;
cib_writes_enabled = FALSE;
pwentry = getpwnam(CRM_DAEMON_USER);
CRM_CHECK(pwentry != NULL,
crm_perror(LOG_ERR, "Invalid uid (%s) specified", CRM_DAEMON_USER);
return CRM_EX_FATAL);
rc = setgid(pwentry->pw_gid);
if (rc < 0) {
crm_perror(LOG_ERR, "Could not set group to %d", pwentry->pw_gid);
return CRM_EX_FATAL;
}
rc = initgroups(CRM_DAEMON_USER, pwentry->pw_gid);
if (rc < 0) {
crm_perror(LOG_ERR, "Could not setup groups for user %d", pwentry->pw_uid);
return CRM_EX_FATAL;
}
rc = setuid(pwentry->pw_uid);
if (rc < 0) {
crm_perror(LOG_ERR, "Could not set user to %d", pwentry->pw_uid);
return CRM_EX_FATAL;
}
break;
case '?': /* Help message */
pcmk__cli_help(flag, CRM_EX_OK);
break;
case 'w':
cib_writes_enabled = TRUE;
break;
case 'r':
cib_root = optarg;
break;
case 'm':
cib_metadata();
return CRM_EX_OK;
default:
++argerr;
break;
}
}
if (argc - optind == 1 && safe_str_eq("metadata", argv[optind])) {
cib_metadata();
return CRM_EX_OK;
}
if (optind > argc) {
++argerr;
}
if (argerr) {
pcmk__cli_help('?', CRM_EX_USAGE);
}
crm_log_init(NULL, LOG_INFO, TRUE, FALSE, argc, argv, FALSE);
crm_notice("Starting Pacemaker CIB manager");
old_instance = crm_ipc_new(PCMK__SERVER_BASED_RO, 0);
if (crm_ipc_connect(old_instance)) {
/* IPC end-point already up */
crm_ipc_close(old_instance);
crm_ipc_destroy(old_instance);
crm_err("pacemaker-based is already active, aborting startup");
crm_exit(CRM_EX_OK);
} else {
/* not up or not authentic, we'll proceed either way */
crm_ipc_destroy(old_instance);
old_instance = NULL;
}
if (cib_root == NULL) {
cib_root = CRM_CONFIG_DIR;
} else {
crm_notice("Using custom config location: %s", cib_root);
}
if (pcmk__daemon_can_write(cib_root, NULL) == FALSE) {
crm_err("Terminating due to bad permissions on %s", cib_root);
fprintf(stderr, "ERROR: Bad permissions on %s (see logs for details)\n",
cib_root);
fflush(stderr);
return CRM_EX_FATAL;
}
crm_peer_init();
// Read initial CIB, connect to cluster, and start IPC servers
cib_init();
// Run the main loop
mainloop = g_main_loop_new(NULL, FALSE);
crm_notice("Pacemaker CIB manager successfully started and accepting connections");
g_main_loop_run(mainloop);
/* If main loop returned, clean up and exit. We disconnect in case
* terminate_cib() was called with fast=-1.
*/
crm_cluster_disconnect(&crm_cluster);
pcmk__stop_based_ipc(ipcs_ro, ipcs_rw, ipcs_shm);
- return CRM_EX_OK;
+ crm_exit(CRM_EX_OK);
}
void
cib_cleanup(void)
{
crm_peer_destroy();
if (local_notify_queue) {
g_hash_table_destroy(local_notify_queue);
}
pcmk__client_cleanup();
g_hash_table_destroy(config_hash);
free(cib_our_uname);
}
#if SUPPORT_COROSYNC
static void
cib_cs_dispatch(cpg_handle_t handle,
const struct cpg_name *groupName,
uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len)
{
uint32_t kind = 0;
xmlNode *xml = NULL;
const char *from = NULL;
char *data = pcmk_message_common_cs(handle, nodeid, pid, msg, &kind, &from);
if(data == NULL) {
return;
}
if (kind == crm_class_cluster) {
xml = string2xml(data);
if (xml == NULL) {
crm_err("Invalid XML: '%.120s'", data);
free(data);
return;
}
crm_xml_add(xml, F_ORIG, from);
/* crm_xml_add_int(xml, F_SEQ, wrapper->id); */
cib_peer_callback(xml, NULL);
}
free_xml(xml);
free(data);
}
static void
cib_cs_destroy(gpointer user_data)
{
if (cib_shutdown_flag) {
crm_info("Corosync disconnection complete");
} else {
crm_crit("Lost connection to cluster layer, shutting down");
terminate_cib(__FUNCTION__, CRM_EX_DISCONNECT);
}
}
#endif
static void
cib_peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data)
{
switch (type) {
case crm_status_processes:
if (cib_legacy_mode()
&& is_not_set(node->processes, crm_get_cluster_proc())) {
uint32_t old = data? *(const uint32_t *)data : 0;
if ((node->processes ^ old) & crm_proc_cpg) {
crm_info("Attempting to disable legacy mode after %s left the cluster",
node->uname);
legacy_mode = FALSE;
}
}
break;
case crm_status_uname:
case crm_status_nstate:
if (cib_shutdown_flag && (crm_active_peers() < 2)
&& (pcmk__ipc_client_count() == 0)) {
crm_info("No more peers");
terminate_cib(__FUNCTION__, -1);
}
break;
}
}
static void
cib_init(void)
{
if (is_corosync_cluster()) {
#if SUPPORT_COROSYNC
crm_cluster.destroy = cib_cs_destroy;
crm_cluster.cpg.cpg_deliver_fn = cib_cs_dispatch;
crm_cluster.cpg.cpg_confchg_fn = pcmk_cpg_membership;
#endif
}
config_hash = crm_str_table_new();
if (startCib("cib.xml") == FALSE) {
crm_crit("Cannot start CIB... terminating");
crm_exit(CRM_EX_NOINPUT);
}
if (stand_alone == FALSE) {
if (is_corosync_cluster()) {
crm_set_status_callback(&cib_peer_update_callback);
}
if (crm_cluster_connect(&crm_cluster) == FALSE) {
crm_crit("Cannot sign in to the cluster... terminating");
crm_exit(CRM_EX_FATAL);
}
cib_our_uname = crm_cluster.uname;
} else {
cib_our_uname = strdup("localhost");
}
pcmk__serve_based_ipc(&ipcs_ro, &ipcs_rw, &ipcs_shm, &ipc_ro_callbacks,
&ipc_rw_callbacks);
if (stand_alone) {
cib_is_master = TRUE;
}
}
static bool
startCib(const char *filename)
{
gboolean active = FALSE;
xmlNode *cib = readCibXmlFile(cib_root, filename, !preserve_status);
if (activateCibXml(cib, TRUE, "start") == 0) {
int port = 0;
const char *port_s = NULL;
active = TRUE;
cib_read_config(config_hash, cib);
port_s = crm_element_value(cib, "remote-tls-port");
if (port_s) {
port = crm_parse_int(port_s, "0");
remote_tls_fd = init_remote_listener(port, TRUE);
}
port_s = crm_element_value(cib, "remote-clear-port");
if (port_s) {
port = crm_parse_int(port_s, "0");
remote_fd = init_remote_listener(port, FALSE);
}
}
return active;
}

File Metadata

Mime Type
text/x-diff
Expires
Mon, Apr 21, 6:13 PM (1 d, 50 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
1665141
Default Alt Text
(10 KB)

Event Timeline