4 Copyright (C) Andrew Tridgell 2006
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, see <http://www.gnu.org/licenses/>.
21 #include "system/filesys.h"
23 #include "system/time.h"
24 #include "system/wait.h"
25 #include "system/network.h"
27 #include "../include/ctdb_private.h"
31 const char *transport;
32 const char *myaddress;
33 const char *public_address_list;
34 const char *event_script_dir;
35 const char *notification_script;
37 const char *recovery_lock_file;
39 const char *db_dir_persistent;
40 const char *db_dir_state;
41 const char *public_interface;
42 const char *single_public_ip;
46 int start_as_disabled;
53 int max_persistent_check_errors;
56 .public_address_list = NULL,
58 .event_script_dir = NULL,
59 .logfile = LOGDIR "/log.ctdb",
60 .db_dir = VARDIR "/ctdb",
61 .db_dir_persistent = VARDIR "/ctdb/persistent",
62 .db_dir_state = VARDIR "/ctdb/state",
63 .script_log_level = DEBUG_ERR,
70 called by the transport layer when a packet comes in
72 static void ctdb_recv_pkt(struct ctdb_context *ctdb, uint8_t *data, uint32_t length)
74 struct ctdb_req_header *hdr = (struct ctdb_req_header *)data;
76 CTDB_INCREMENT_STAT(ctdb, node_packets_recv);
78 /* up the counter for this source node, so we know its alive */
79 if (ctdb_validate_pnn(ctdb, hdr->srcnode)) {
80 /* as a special case, redirected calls don't increment the rx_cnt */
81 if (hdr->operation != CTDB_REQ_CALL ||
82 ((struct ctdb_req_call *)hdr)->hopcount == 0) {
83 ctdb->nodes[hdr->srcnode]->rx_cnt++;
87 ctdb_input_pkt(ctdb, hdr);
90 static const struct ctdb_upcalls ctdb_upcalls = {
91 .recv_pkt = ctdb_recv_pkt,
92 .node_dead = ctdb_node_dead,
93 .node_connected = ctdb_node_connected
101 int main(int argc, const char *argv[])
103 struct ctdb_context *ctdb;
106 struct poptOption popt_options[] = {
109 { "interactive", 'i', POPT_ARG_NONE, &interactive, 0, "don't fork", NULL },
110 { "public-addresses", 0, POPT_ARG_STRING, &options.public_address_list, 0, "public address list file", "filename" },
111 { "public-interface", 0, POPT_ARG_STRING, &options.public_interface, 0, "public interface", "interface"},
112 { "single-public-ip", 0, POPT_ARG_STRING, &options.single_public_ip, 0, "single public ip", "ip-address"},
113 { "event-script-dir", 0, POPT_ARG_STRING, &options.event_script_dir, 0, "event script directory", "dirname" },
114 { "logfile", 0, POPT_ARG_STRING, &options.logfile, 0, "log file location", "filename" },
115 { "nlist", 0, POPT_ARG_STRING, &options.nlist, 0, "node list file", "filename" },
116 { "notification-script", 0, POPT_ARG_STRING, &options.notification_script, 0, "notification script", "filename" },
117 { "listen", 0, POPT_ARG_STRING, &options.myaddress, 0, "address to listen on", "address" },
118 { "transport", 0, POPT_ARG_STRING, &options.transport, 0, "protocol transport", NULL },
119 { "dbdir", 0, POPT_ARG_STRING, &options.db_dir, 0, "directory for the tdb files", NULL },
120 { "dbdir-persistent", 0, POPT_ARG_STRING, &options.db_dir_persistent, 0, "directory for persistent tdb files", NULL },
121 { "dbdir-state", 0, POPT_ARG_STRING, &options.db_dir_state, 0, "directory for internal state tdb files", NULL },
122 { "reclock", 0, POPT_ARG_STRING, &options.recovery_lock_file, 0, "location of recovery lock file", "filename" },
123 { "pidfile", 0, POPT_ARG_STRING, &ctdbd_pidfile, 0, "location of PID file", "filename" },
124 { "valgrinding", 0, POPT_ARG_NONE, &options.valgrinding, 0, "disable setscheduler SCHED_FIFO call, use mmap for tdbs", NULL },
125 { "nosetsched", 0, POPT_ARG_NONE, &options.nosetsched, 0, "disable setscheduler SCHED_FIFO call, use mmap for tdbs", NULL },
126 { "syslog", 0, POPT_ARG_NONE, &options.use_syslog, 0, "log messages to syslog", NULL },
127 { "start-as-disabled", 0, POPT_ARG_NONE, &options.start_as_disabled, 0, "Node starts in disabled state", NULL },
128 { "start-as-stopped", 0, POPT_ARG_NONE, &options.start_as_stopped, 0, "Node starts in stopped state", NULL },
129 { "no-lmaster", 0, POPT_ARG_NONE, &options.no_lmaster, 0, "disable lmaster role on this node", NULL },
130 { "no-recmaster", 0, POPT_ARG_NONE, &options.no_recmaster, 0, "disable recmaster role on this node", NULL },
131 { "lvs", 0, POPT_ARG_NONE, &options.lvs, 0, "lvs is enabled on this node", NULL },
132 { "script-log-level", 0, POPT_ARG_INT, &options.script_log_level, 0, "log level of event script output", NULL },
133 { "nopublicipcheck", 0, POPT_ARG_NONE, &options.no_publicipcheck, 0, "don't check we have/don't have the correct public ip addresses", NULL },
134 { "max-persistent-check-errors", 0, POPT_ARG_INT,
135 &options.max_persistent_check_errors, 0,
136 "max allowed persistent check errors (default 0)", NULL },
137 { "log-ringbuf-size", 0, POPT_ARG_INT, &log_ringbuf_size, 0, "Number of log messages we can store in the memory ringbuffer", NULL },
138 { "sloppy-start", 0, POPT_ARG_NONE, &fast_start, 0, "Do not perform full recovery on start", NULL },
142 const char **extra_argv;
145 struct event_context *ev;
147 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
149 while ((opt = poptGetNextOpt(pc)) != -1) {
152 fprintf(stderr, "Invalid option %s: %s\n",
153 poptBadOption(pc, 0), poptStrerror(opt));
158 /* setup the remaining options for the main program to use */
159 extra_argv = poptGetArgs(pc);
162 while (extra_argv[extra_argc]) extra_argc++;
165 talloc_enable_null_tracking();
167 ctdb_block_signal(SIGPIPE);
168 fault_setup("ctdbd");
170 ev = event_context_init(NULL);
171 tevent_loop_allow_nesting(ev);
173 ctdb = ctdb_cmdline_init(ev);
175 ctdb->start_as_disabled = options.start_as_disabled;
176 ctdb->start_as_stopped = options.start_as_stopped;
178 script_log_level = options.script_log_level;
180 ret = ctdb_set_logfile(ctdb, options.logfile, options.use_syslog);
182 printf("ctdb_set_logfile to %s failed - %s\n",
183 options.use_syslog?"syslog":options.logfile, ctdb_errstr(ctdb));
187 DEBUG(DEBUG_NOTICE,("CTDB starting on node\n"));
189 gettimeofday(&ctdb->ctdbd_start_time, NULL);
190 gettimeofday(&ctdb->last_recovery_started, NULL);
191 gettimeofday(&ctdb->last_recovery_finished, NULL);
192 ctdb->recovery_mode = CTDB_RECOVERY_NORMAL;
193 ctdb->recovery_master = (uint32_t)-1;
194 ctdb->upcalls = &ctdb_upcalls;
195 ctdb->idr = idr_init(ctdb);
196 ctdb->recovery_lock_fd = -1;
198 ctdb_tunables_set_defaults(ctdb);
200 ret = ctdb_set_recovery_lock_file(ctdb, options.recovery_lock_file);
202 DEBUG(DEBUG_ALERT,("ctdb_set_recovery_lock_file failed - %s\n", ctdb_errstr(ctdb)));
206 ret = ctdb_set_transport(ctdb, options.transport);
208 DEBUG(DEBUG_ALERT,("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb)));
212 /* tell ctdb what address to listen on */
213 if (options.myaddress) {
214 ret = ctdb_set_address(ctdb, options.myaddress);
216 DEBUG(DEBUG_ALERT,("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb)));
221 /* set ctdbd capabilities */
222 ctdb->capabilities = 0;
223 if (options.no_lmaster == 0) {
224 ctdb->capabilities |= CTDB_CAP_LMASTER;
226 if (options.no_recmaster == 0) {
227 ctdb->capabilities |= CTDB_CAP_RECMASTER;
229 if (options.lvs != 0) {
230 ctdb->capabilities |= CTDB_CAP_LVS;
233 /* Initialise this node's PNN to the unknown value. This will
234 * be set to the correct value by either ctdb_add_node() as
235 * part of loading the nodes file or by
236 * ctdb_tcp_listen_automatic() when the transport is
237 * initialised. At some point we should de-optimise this and
238 * pull it out into ctdb_start_daemon() so it is done clearly
239 * and only in one place.
243 /* Default value for CTDB_BASE - don't override */
244 setenv("CTDB_BASE", ETCDIR "/ctdb", 0);
246 /* tell ctdb what nodes are available */
247 if (options.nlist != NULL) {
248 ctdb->nodes_file = options.nlist;
251 talloc_asprintf(ctdb, "%s/nodes", getenv("CTDB_BASE"));
252 if (ctdb->nodes_file == NULL) {
253 DEBUG(DEBUG_ALERT,(__location__ " Out of memory\n"));
257 ctdb_load_nodes_file(ctdb);
259 if (options.db_dir) {
260 ret = ctdb_set_tdb_dir(ctdb, options.db_dir);
262 DEBUG(DEBUG_ALERT,("ctdb_set_tdb_dir failed - %s\n", ctdb_errstr(ctdb)));
266 ctdb_mkdir_p_or_die(ctdb, ctdb->db_directory, 0700);
268 if (options.db_dir_persistent) {
269 ret = ctdb_set_tdb_dir_persistent(ctdb, options.db_dir_persistent);
271 DEBUG(DEBUG_ALERT,("ctdb_set_tdb_dir_persistent failed - %s\n", ctdb_errstr(ctdb)));
275 ctdb_mkdir_p_or_die(ctdb, ctdb->db_directory_persistent, 0700);
277 if (options.db_dir_state) {
278 ret = ctdb_set_tdb_dir_state(ctdb, options.db_dir_state);
280 DEBUG(DEBUG_ALERT,("ctdb_set_tdb_dir_state failed - %s\n", ctdb_errstr(ctdb)));
284 ctdb_mkdir_p_or_die(ctdb, ctdb->db_directory_state, 0700);
286 if (options.public_interface) {
287 ctdb->default_public_interface = talloc_strdup(ctdb, options.public_interface);
288 CTDB_NO_MEMORY(ctdb, ctdb->default_public_interface);
291 if (options.single_public_ip) {
292 if (options.public_interface == NULL) {
293 DEBUG(DEBUG_ALERT,("--single_public_ip used but --public_interface is not specified. You must specify the public interface when using single public ip. Exiting\n"));
297 ret = ctdb_set_single_public_ip(ctdb, options.public_interface,
298 options.single_public_ip);
300 DEBUG(DEBUG_ALERT,("Invalid --single-public-ip argument : %s . This is not a valid ip address. Exiting.\n", options.single_public_ip));
305 if (options.event_script_dir != NULL) {
306 ctdb->event_script_dir = options.event_script_dir;
308 ctdb->event_script_dir = talloc_asprintf(ctdb, "%s/events.d",
309 getenv("CTDB_BASE"));
310 if (ctdb->event_script_dir == NULL) {
311 DEBUG(DEBUG_ALERT,(__location__ " Out of memory\n"));
316 if (options.notification_script != NULL) {
317 ret = ctdb_set_notification_script(ctdb, options.notification_script);
319 DEBUG(DEBUG_ALERT,("Unable to setup notification script\n"));
324 ctdb->valgrinding = options.valgrinding;
325 if (options.valgrinding || options.nosetsched) {
326 ctdb->do_setsched = 0;
328 ctdb->do_setsched = 1;
331 ctdb->public_addresses_file = options.public_address_list;
332 ctdb->do_checkpublicip = !options.no_publicipcheck;
334 if (options.max_persistent_check_errors < 0) {
335 ctdb->max_persistent_check_errors = 0xFFFFFFFFFFFFFFFFLL;
337 ctdb->max_persistent_check_errors = (uint64_t)options.max_persistent_check_errors;
340 /* start the protocol running (as a child) */
341 return ctdb_start_daemon(ctdb, interactive?false:true, options.use_syslog);