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"
41 #include "common/common.h"
45 const char *transport;
46 const char *myaddress;
47 const char *public_address_list;
48 const char *event_script_dir;
49 const char *notification_script;
51 const char *recovery_lock_file;
53 const char *db_dir_persistent;
54 const char *db_dir_state;
55 const char *public_interface;
56 const char *single_public_ip;
59 int start_as_disabled;
66 int max_persistent_check_errors;
69 .public_address_list = NULL,
71 .event_script_dir = NULL,
72 .logging = "file:" LOGDIR "/log.ctdb",
73 .db_dir = CTDB_VARDIR,
74 .db_dir_persistent = CTDB_VARDIR "/persistent",
75 .db_dir_state = CTDB_VARDIR "/state",
76 .script_log_level = DEBUG_ERR,
83 called by the transport layer when a packet comes in
85 static void ctdb_recv_pkt(struct ctdb_context *ctdb, uint8_t *data, uint32_t length)
87 struct ctdb_req_header *hdr = (struct ctdb_req_header *)data;
89 CTDB_INCREMENT_STAT(ctdb, node_packets_recv);
91 /* up the counter for this source node, so we know its alive */
92 if (ctdb_validate_pnn(ctdb, hdr->srcnode)) {
93 /* as a special case, redirected calls don't increment the rx_cnt */
94 if (hdr->operation != CTDB_REQ_CALL ||
95 ((struct ctdb_req_call_old *)hdr)->hopcount == 0) {
96 ctdb->nodes[hdr->srcnode]->rx_cnt++;
100 ctdb_input_pkt(ctdb, hdr);
103 static const struct ctdb_upcalls ctdb_upcalls = {
104 .recv_pkt = ctdb_recv_pkt,
105 .node_dead = ctdb_node_dead,
106 .node_connected = ctdb_node_connected
114 int main(int argc, const char *argv[])
116 struct ctdb_context *ctdb;
119 struct poptOption popt_options[] = {
122 { "interactive", 'i', POPT_ARG_NONE, &interactive, 0, "don't fork", NULL },
123 { "public-addresses", 0, POPT_ARG_STRING, &options.public_address_list, 0, "public address list file", "filename" },
124 { "public-interface", 0, POPT_ARG_STRING, &options.public_interface, 0, "public interface", "interface"},
125 { "single-public-ip", 0, POPT_ARG_STRING, &options.single_public_ip, 0, "single public ip", "ip-address"},
126 { "event-script-dir", 0, POPT_ARG_STRING, &options.event_script_dir, 0, "event script directory", "dirname" },
127 { "logging", 0, POPT_ARG_STRING, &options.logging, 0, "logging method to be used", NULL },
128 { "nlist", 0, POPT_ARG_STRING, &options.nlist, 0, "node list file", "filename" },
129 { "notification-script", 0, POPT_ARG_STRING, &options.notification_script, 0, "notification script", "filename" },
130 { "listen", 0, POPT_ARG_STRING, &options.myaddress, 0, "address to listen on", "address" },
131 { "transport", 0, POPT_ARG_STRING, &options.transport, 0, "protocol transport", NULL },
132 { "dbdir", 0, POPT_ARG_STRING, &options.db_dir, 0, "directory for the tdb files", NULL },
133 { "dbdir-persistent", 0, POPT_ARG_STRING, &options.db_dir_persistent, 0, "directory for persistent tdb files", NULL },
134 { "dbdir-state", 0, POPT_ARG_STRING, &options.db_dir_state, 0, "directory for internal state tdb files", NULL },
135 { "reclock", 0, POPT_ARG_STRING, &options.recovery_lock_file, 0, "location of recovery lock file", "filename" },
136 { "pidfile", 0, POPT_ARG_STRING, &ctdbd_pidfile, 0, "location of PID file", "filename" },
137 { "valgrinding", 0, POPT_ARG_NONE, &options.valgrinding, 0, "disable setscheduler SCHED_FIFO call, use mmap for tdbs", NULL },
138 { "nosetsched", 0, POPT_ARG_NONE, &options.nosetsched, 0, "disable setscheduler SCHED_FIFO call, use mmap for tdbs", NULL },
139 { "start-as-disabled", 0, POPT_ARG_NONE, &options.start_as_disabled, 0, "Node starts in disabled state", NULL },
140 { "start-as-stopped", 0, POPT_ARG_NONE, &options.start_as_stopped, 0, "Node starts in stopped state", NULL },
141 { "no-lmaster", 0, POPT_ARG_NONE, &options.no_lmaster, 0, "disable lmaster role on this node", NULL },
142 { "no-recmaster", 0, POPT_ARG_NONE, &options.no_recmaster, 0, "disable recmaster role on this node", NULL },
143 { "lvs", 0, POPT_ARG_NONE, &options.lvs, 0, "lvs is enabled on this node", NULL },
144 { "script-log-level", 0, POPT_ARG_INT, &options.script_log_level, 0, "log level of event script output", NULL },
145 { "nopublicipcheck", 0, POPT_ARG_NONE, &options.no_publicipcheck, 0, "don't check we have/don't have the correct public ip addresses", NULL },
146 { "max-persistent-check-errors", 0, POPT_ARG_INT,
147 &options.max_persistent_check_errors, 0,
148 "max allowed persistent check errors (default 0)", NULL },
149 { "sloppy-start", 0, POPT_ARG_NONE, &fast_start, 0, "Do not perform full recovery on start", NULL },
153 const char **extra_argv;
156 struct tevent_context *ev;
158 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
160 while ((opt = poptGetNextOpt(pc)) != -1) {
163 fprintf(stderr, "Invalid option %s: %s\n",
164 poptBadOption(pc, 0), poptStrerror(opt));
169 /* setup the remaining options for the main program to use */
170 extra_argv = poptGetArgs(pc);
173 while (extra_argv[extra_argc]) extra_argc++;
176 talloc_enable_null_tracking();
180 ev = tevent_context_init(NULL);
181 tevent_loop_allow_nesting(ev);
183 ctdb = ctdb_cmdline_init(ev);
185 ctdb->start_as_disabled = options.start_as_disabled;
186 ctdb->start_as_stopped = options.start_as_stopped;
188 script_log_level = options.script_log_level;
190 if (!ctdb_logging_init(ctdb, options.logging)) {
194 DEBUG(DEBUG_NOTICE,("CTDB starting on node\n"));
196 gettimeofday(&ctdb->ctdbd_start_time, NULL);
197 gettimeofday(&ctdb->last_recovery_started, NULL);
198 gettimeofday(&ctdb->last_recovery_finished, NULL);
199 ctdb->recovery_mode = CTDB_RECOVERY_NORMAL;
200 ctdb->recovery_master = (uint32_t)-1;
201 ctdb->upcalls = &ctdb_upcalls;
202 ctdb->recovery_lock_fd = -1;
204 ret = reqid_init(ctdb, 0, &ctdb->idr);;
206 DEBUG(DEBUG_ALERT, ("reqid_init failed (%s)\n", strerror(ret)));
210 ctdb_tunables_set_defaults(ctdb);
212 ret = ctdb_set_recovery_lock_file(ctdb, options.recovery_lock_file);
214 DEBUG(DEBUG_ALERT,("ctdb_set_recovery_lock_file failed - %s\n", ctdb_errstr(ctdb)));
218 ret = ctdb_set_transport(ctdb, options.transport);
220 DEBUG(DEBUG_ALERT,("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb)));
224 /* tell ctdb what address to listen on */
225 if (options.myaddress) {
226 ret = ctdb_set_address(ctdb, options.myaddress);
228 DEBUG(DEBUG_ALERT,("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb)));
233 /* set ctdbd capabilities */
234 ctdb->capabilities = CTDB_CAP_DEFAULT;
235 if (options.no_lmaster != 0) {
236 ctdb->capabilities &= ~CTDB_CAP_LMASTER;
238 if (options.no_recmaster != 0) {
239 ctdb->capabilities &= ~CTDB_CAP_RECMASTER;
241 if (options.lvs != 0) {
242 ctdb->capabilities |= CTDB_CAP_LVS;
245 /* Initialise this node's PNN to the unknown value. This will
246 * be set to the correct value by either ctdb_add_node() as
247 * part of loading the nodes file or by
248 * ctdb_tcp_listen_automatic() when the transport is
249 * initialised. At some point we should de-optimise this and
250 * pull it out into ctdb_start_daemon() so it is done clearly
251 * and only in one place.
255 /* Default value for CTDB_BASE - don't override */
256 setenv("CTDB_BASE", CTDB_ETCDIR, 0);
258 /* tell ctdb what nodes are available */
259 if (options.nlist != NULL) {
260 ctdb->nodes_file = options.nlist;
263 talloc_asprintf(ctdb, "%s/nodes", getenv("CTDB_BASE"));
264 if (ctdb->nodes_file == NULL) {
265 DEBUG(DEBUG_ALERT,(__location__ " Out of memory\n"));
269 ctdb_load_nodes_file(ctdb);
271 ctdb->db_directory = options.db_dir;
272 mkdir_p_or_die(ctdb->db_directory, 0700);
274 ctdb->db_directory_persistent = options.db_dir_persistent;
275 mkdir_p_or_die(ctdb->db_directory_persistent, 0700);
277 ctdb->db_directory_state = options.db_dir_state;
278 mkdir_p_or_die(ctdb->db_directory_state, 0700);
280 if (options.public_interface) {
281 ctdb->default_public_interface = talloc_strdup(ctdb, options.public_interface);
282 CTDB_NO_MEMORY(ctdb, ctdb->default_public_interface);
285 if (options.single_public_ip) {
286 if (options.public_interface == NULL) {
287 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"));
291 ret = ctdb_set_single_public_ip(ctdb, options.public_interface,
292 options.single_public_ip);
294 DEBUG(DEBUG_ALERT,("Invalid --single-public-ip argument : %s . This is not a valid ip address. Exiting.\n", options.single_public_ip));
299 if (options.event_script_dir != NULL) {
300 ctdb->event_script_dir = options.event_script_dir;
302 ctdb->event_script_dir = talloc_asprintf(ctdb, "%s/events.d",
303 getenv("CTDB_BASE"));
304 if (ctdb->event_script_dir == NULL) {
305 DEBUG(DEBUG_ALERT,(__location__ " Out of memory\n"));
310 if (options.notification_script != NULL) {
311 ret = ctdb_set_notification_script(ctdb, options.notification_script);
313 DEBUG(DEBUG_ALERT,("Unable to setup notification script\n"));
318 ctdb->valgrinding = options.valgrinding;
319 if (options.valgrinding || options.nosetsched) {
320 ctdb->do_setsched = 0;
322 ctdb->do_setsched = 1;
325 ctdb->public_addresses_file = options.public_address_list;
326 ctdb->do_checkpublicip = !options.no_publicipcheck;
328 if (options.max_persistent_check_errors < 0) {
329 ctdb->max_persistent_check_errors = 0xFFFFFFFFFFFFFFFFLL;
331 ctdb->max_persistent_check_errors = (uint64_t)options.max_persistent_check_errors;
334 /* start the protocol running (as a child) */
335 return ctdb_start_daemon(ctdb, interactive?false:true);