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"
22 #include "system/time.h"
23 #include "system/wait.h"
24 #include "system/network.h"
28 /* Allow use of deprecated function tevent_loop_allow_nesting() */
29 #define TEVENT_DEPRECATED
32 #include "lib/util/debug.h"
33 #include "lib/util/samba_util.h"
35 #include "ctdb_private.h"
36 #include "ctdb_logging.h"
38 #include "common/reqid.h"
39 #include "common/system.h"
40 #include "common/cmdline.h"
44 const char *transport;
45 const char *myaddress;
46 const char *public_address_list;
47 const char *event_script_dir;
48 const char *notification_script;
50 const char *recovery_lock_file;
52 const char *db_dir_persistent;
53 const char *db_dir_state;
54 const char *public_interface;
55 const char *single_public_ip;
58 int start_as_disabled;
65 int max_persistent_check_errors;
68 .public_address_list = NULL,
70 .event_script_dir = NULL,
71 .logging = "file:" LOGDIR "/log.ctdb",
72 .db_dir = CTDB_VARDIR,
73 .db_dir_persistent = CTDB_VARDIR "/persistent",
74 .db_dir_state = CTDB_VARDIR "/state",
75 .script_log_level = DEBUG_ERR,
82 called by the transport layer when a packet comes in
84 static void ctdb_recv_pkt(struct ctdb_context *ctdb, uint8_t *data, uint32_t length)
86 struct ctdb_req_header *hdr = (struct ctdb_req_header *)data;
88 CTDB_INCREMENT_STAT(ctdb, node_packets_recv);
90 /* up the counter for this source node, so we know its alive */
91 if (ctdb_validate_pnn(ctdb, hdr->srcnode)) {
92 /* as a special case, redirected calls don't increment the rx_cnt */
93 if (hdr->operation != CTDB_REQ_CALL ||
94 ((struct ctdb_req_call *)hdr)->hopcount == 0) {
95 ctdb->nodes[hdr->srcnode]->rx_cnt++;
99 ctdb_input_pkt(ctdb, hdr);
102 static const struct ctdb_upcalls ctdb_upcalls = {
103 .recv_pkt = ctdb_recv_pkt,
104 .node_dead = ctdb_node_dead,
105 .node_connected = ctdb_node_connected
113 int main(int argc, const char *argv[])
115 struct ctdb_context *ctdb;
118 struct poptOption popt_options[] = {
121 { "interactive", 'i', POPT_ARG_NONE, &interactive, 0, "don't fork", NULL },
122 { "public-addresses", 0, POPT_ARG_STRING, &options.public_address_list, 0, "public address list file", "filename" },
123 { "public-interface", 0, POPT_ARG_STRING, &options.public_interface, 0, "public interface", "interface"},
124 { "single-public-ip", 0, POPT_ARG_STRING, &options.single_public_ip, 0, "single public ip", "ip-address"},
125 { "event-script-dir", 0, POPT_ARG_STRING, &options.event_script_dir, 0, "event script directory", "dirname" },
126 { "logging", 0, POPT_ARG_STRING, &options.logging, 0, "logging method to be used", NULL },
127 { "nlist", 0, POPT_ARG_STRING, &options.nlist, 0, "node list file", "filename" },
128 { "notification-script", 0, POPT_ARG_STRING, &options.notification_script, 0, "notification script", "filename" },
129 { "listen", 0, POPT_ARG_STRING, &options.myaddress, 0, "address to listen on", "address" },
130 { "transport", 0, POPT_ARG_STRING, &options.transport, 0, "protocol transport", NULL },
131 { "dbdir", 0, POPT_ARG_STRING, &options.db_dir, 0, "directory for the tdb files", NULL },
132 { "dbdir-persistent", 0, POPT_ARG_STRING, &options.db_dir_persistent, 0, "directory for persistent tdb files", NULL },
133 { "dbdir-state", 0, POPT_ARG_STRING, &options.db_dir_state, 0, "directory for internal state tdb files", NULL },
134 { "reclock", 0, POPT_ARG_STRING, &options.recovery_lock_file, 0, "location of recovery lock file", "filename" },
135 { "pidfile", 0, POPT_ARG_STRING, &ctdbd_pidfile, 0, "location of PID file", "filename" },
136 { "valgrinding", 0, POPT_ARG_NONE, &options.valgrinding, 0, "disable setscheduler SCHED_FIFO call, use mmap for tdbs", NULL },
137 { "nosetsched", 0, POPT_ARG_NONE, &options.nosetsched, 0, "disable setscheduler SCHED_FIFO call, use mmap for tdbs", NULL },
138 { "start-as-disabled", 0, POPT_ARG_NONE, &options.start_as_disabled, 0, "Node starts in disabled state", NULL },
139 { "start-as-stopped", 0, POPT_ARG_NONE, &options.start_as_stopped, 0, "Node starts in stopped state", NULL },
140 { "no-lmaster", 0, POPT_ARG_NONE, &options.no_lmaster, 0, "disable lmaster role on this node", NULL },
141 { "no-recmaster", 0, POPT_ARG_NONE, &options.no_recmaster, 0, "disable recmaster role on this node", NULL },
142 { "lvs", 0, POPT_ARG_NONE, &options.lvs, 0, "lvs is enabled on this node", NULL },
143 { "script-log-level", 0, POPT_ARG_INT, &options.script_log_level, 0, "log level of event script output", NULL },
144 { "nopublicipcheck", 0, POPT_ARG_NONE, &options.no_publicipcheck, 0, "don't check we have/don't have the correct public ip addresses", NULL },
145 { "max-persistent-check-errors", 0, POPT_ARG_INT,
146 &options.max_persistent_check_errors, 0,
147 "max allowed persistent check errors (default 0)", NULL },
148 { "sloppy-start", 0, POPT_ARG_NONE, &fast_start, 0, "Do not perform full recovery on start", NULL },
152 const char **extra_argv;
155 struct tevent_context *ev;
157 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
159 while ((opt = poptGetNextOpt(pc)) != -1) {
162 fprintf(stderr, "Invalid option %s: %s\n",
163 poptBadOption(pc, 0), poptStrerror(opt));
168 /* setup the remaining options for the main program to use */
169 extra_argv = poptGetArgs(pc);
172 while (extra_argv[extra_argc]) extra_argc++;
175 talloc_enable_null_tracking();
179 ev = tevent_context_init(NULL);
180 tevent_loop_allow_nesting(ev);
182 ctdb = ctdb_cmdline_init(ev);
184 ctdb->start_as_disabled = options.start_as_disabled;
185 ctdb->start_as_stopped = options.start_as_stopped;
187 script_log_level = options.script_log_level;
189 if (!ctdb_logging_init(ctdb, options.logging)) {
193 DEBUG(DEBUG_NOTICE,("CTDB starting on node\n"));
195 gettimeofday(&ctdb->ctdbd_start_time, NULL);
196 gettimeofday(&ctdb->last_recovery_started, NULL);
197 gettimeofday(&ctdb->last_recovery_finished, NULL);
198 ctdb->recovery_mode = CTDB_RECOVERY_NORMAL;
199 ctdb->recovery_master = (uint32_t)-1;
200 ctdb->upcalls = &ctdb_upcalls;
201 ctdb->recovery_lock_fd = -1;
203 ret = reqid_init(ctdb, 0, &ctdb->idr);;
205 DEBUG(DEBUG_ALERT, ("reqid_init failed (%s)\n", strerror(ret)));
209 ctdb_tunables_set_defaults(ctdb);
211 ret = ctdb_set_recovery_lock_file(ctdb, options.recovery_lock_file);
213 DEBUG(DEBUG_ALERT,("ctdb_set_recovery_lock_file failed - %s\n", ctdb_errstr(ctdb)));
217 ret = ctdb_set_transport(ctdb, options.transport);
219 DEBUG(DEBUG_ALERT,("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb)));
223 /* tell ctdb what address to listen on */
224 if (options.myaddress) {
225 ret = ctdb_set_address(ctdb, options.myaddress);
227 DEBUG(DEBUG_ALERT,("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb)));
232 /* set ctdbd capabilities */
233 ctdb->capabilities = CTDB_CAP_DEFAULT;
234 if (options.no_lmaster != 0) {
235 ctdb->capabilities &= ~CTDB_CAP_LMASTER;
237 if (options.no_recmaster != 0) {
238 ctdb->capabilities &= ~CTDB_CAP_RECMASTER;
240 if (options.lvs != 0) {
241 ctdb->capabilities |= CTDB_CAP_LVS;
244 /* Initialise this node's PNN to the unknown value. This will
245 * be set to the correct value by either ctdb_add_node() as
246 * part of loading the nodes file or by
247 * ctdb_tcp_listen_automatic() when the transport is
248 * initialised. At some point we should de-optimise this and
249 * pull it out into ctdb_start_daemon() so it is done clearly
250 * and only in one place.
254 /* Default value for CTDB_BASE - don't override */
255 setenv("CTDB_BASE", CTDB_ETCDIR, 0);
257 /* tell ctdb what nodes are available */
258 if (options.nlist != NULL) {
259 ctdb->nodes_file = options.nlist;
262 talloc_asprintf(ctdb, "%s/nodes", getenv("CTDB_BASE"));
263 if (ctdb->nodes_file == NULL) {
264 DEBUG(DEBUG_ALERT,(__location__ " Out of memory\n"));
268 ctdb_load_nodes_file(ctdb);
270 ctdb->db_directory = options.db_dir;
271 mkdir_p_or_die(ctdb->db_directory, 0700);
273 ctdb->db_directory_persistent = options.db_dir_persistent;
274 mkdir_p_or_die(ctdb->db_directory_persistent, 0700);
276 ctdb->db_directory_state = options.db_dir_state;
277 mkdir_p_or_die(ctdb->db_directory_state, 0700);
279 if (options.public_interface) {
280 ctdb->default_public_interface = talloc_strdup(ctdb, options.public_interface);
281 CTDB_NO_MEMORY(ctdb, ctdb->default_public_interface);
284 if (options.single_public_ip) {
285 if (options.public_interface == NULL) {
286 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"));
290 ret = ctdb_set_single_public_ip(ctdb, options.public_interface,
291 options.single_public_ip);
293 DEBUG(DEBUG_ALERT,("Invalid --single-public-ip argument : %s . This is not a valid ip address. Exiting.\n", options.single_public_ip));
298 if (options.event_script_dir != NULL) {
299 ctdb->event_script_dir = options.event_script_dir;
301 ctdb->event_script_dir = talloc_asprintf(ctdb, "%s/events.d",
302 getenv("CTDB_BASE"));
303 if (ctdb->event_script_dir == NULL) {
304 DEBUG(DEBUG_ALERT,(__location__ " Out of memory\n"));
309 if (options.notification_script != NULL) {
310 ret = ctdb_set_notification_script(ctdb, options.notification_script);
312 DEBUG(DEBUG_ALERT,("Unable to setup notification script\n"));
317 ctdb->valgrinding = options.valgrinding;
318 if (options.valgrinding || options.nosetsched) {
319 ctdb->do_setsched = 0;
321 ctdb->do_setsched = 1;
324 ctdb->public_addresses_file = options.public_address_list;
325 ctdb->do_checkpublicip = !options.no_publicipcheck;
327 if (options.max_persistent_check_errors < 0) {
328 ctdb->max_persistent_check_errors = 0xFFFFFFFFFFFFFFFFLL;
330 ctdb->max_persistent_check_errors = (uint64_t)options.max_persistent_check_errors;
333 /* start the protocol running (as a child) */
334 return ctdb_start_daemon(ctdb, interactive?false:true);