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 "lib/events/events.h"
22 #include "system/filesys.h"
24 #include "system/time.h"
25 #include "system/wait.h"
26 #include "system/network.h"
28 #include "../include/ctdb_private.h"
32 const char *transport;
33 const char *myaddress;
34 const char *public_address_list;
35 const char *event_script_dir;
37 const char *recovery_lock_file;
39 const char *db_dir_persistent;
40 const char *public_interface;
41 const char *single_public_ip;
45 int start_as_disabled;
52 .nlist = ETCDIR "/ctdb/nodes",
54 .event_script_dir = ETCDIR "/ctdb/events.d",
55 .logfile = LOGDIR "/log.ctdb",
56 .db_dir = VARDIR "/ctdb",
57 .db_dir_persistent = VARDIR "/ctdb/persistent",
58 .script_log_level = DEBUG_ERR,
64 called by the transport layer when a packet comes in
66 static void ctdb_recv_pkt(struct ctdb_context *ctdb, uint8_t *data, uint32_t length)
68 struct ctdb_req_header *hdr = (struct ctdb_req_header *)data;
70 ctdb->statistics.node_packets_recv++;
72 /* up the counter for this source node, so we know its alive */
73 if (ctdb_validate_pnn(ctdb, hdr->srcnode)) {
74 /* as a special case, redirected calls don't increment the rx_cnt */
75 if (hdr->operation != CTDB_REQ_CALL ||
76 ((struct ctdb_req_call *)hdr)->hopcount == 0) {
77 ctdb->nodes[hdr->srcnode]->rx_cnt++;
81 ctdb_input_pkt(ctdb, hdr);
84 void ctdb_load_nodes_file(struct ctdb_context *ctdb)
88 ret = ctdb_set_nlist(ctdb, options.nlist);
90 DEBUG(DEBUG_ALERT,("ctdb_set_nlist failed - %s\n", ctdb_errstr(ctdb)));
95 static const struct ctdb_upcalls ctdb_upcalls = {
96 .recv_pkt = ctdb_recv_pkt,
97 .node_dead = ctdb_node_dead,
98 .node_connected = ctdb_node_connected
106 int main(int argc, const char *argv[])
108 struct ctdb_context *ctdb;
111 struct poptOption popt_options[] = {
114 { "interactive", 'i', POPT_ARG_NONE, &interactive, 0, "don't fork", NULL },
115 { "public-addresses", 0, POPT_ARG_STRING, &options.public_address_list, 0, "public address list file", "filename" },
116 { "public-interface", 0, POPT_ARG_STRING, &options.public_interface, 0, "public interface", "interface"},
117 { "single-public-ip", 0, POPT_ARG_STRING, &options.single_public_ip, 0, "single public ip", "ip-address"},
118 { "event-script-dir", 0, POPT_ARG_STRING, &options.event_script_dir, 0, "event script directory", "dirname" },
119 { "logfile", 0, POPT_ARG_STRING, &options.logfile, 0, "log file location", "filename" },
120 { "nlist", 0, POPT_ARG_STRING, &options.nlist, 0, "node list file", "filename" },
121 { "node-ip", 0, POPT_ARG_STRING, &options.node_ip, 0, "node ip", "ip-address"},
122 { "listen", 0, POPT_ARG_STRING, &options.myaddress, 0, "address to listen on", "address" },
123 { "transport", 0, POPT_ARG_STRING, &options.transport, 0, "protocol transport", NULL },
124 { "dbdir", 0, POPT_ARG_STRING, &options.db_dir, 0, "directory for the tdb files", NULL },
125 { "dbdir-persistent", 0, POPT_ARG_STRING, &options.db_dir_persistent, 0, "directory for persistent tdb files", NULL },
126 { "reclock", 0, POPT_ARG_STRING, &options.recovery_lock_file, 0, "location of recovery lock file", "filename" },
127 { "nosetsched", 0, POPT_ARG_NONE, &options.no_setsched, 0, "disable setscheduler SCHED_FIFO call", NULL },
128 { "syslog", 0, POPT_ARG_NONE, &options.use_syslog, 0, "log messages to syslog", NULL },
129 { "start-as-disabled", 0, POPT_ARG_NONE, &options.start_as_disabled, 0, "Node starts in disabled state", NULL },
130 { "no-lmaster", 0, POPT_ARG_NONE, &options.no_lmaster, 0, "disable lmaster role on this node", NULL },
131 { "no-recmaster", 0, POPT_ARG_NONE, &options.no_recmaster, 0, "disable recmaster role on this node", NULL },
132 { "lvs", 0, POPT_ARG_NONE, &options.lvs, 0, "lvs is enabled on this node", NULL },
133 { "script-log-level", 0, POPT_ARG_INT, &options.script_log_level, DEBUG_ERR, "log level of event script output", NULL },
134 { "nopublicipcheck", 0, POPT_ARG_NONE, &options.no_publicipcheck, 0, "dont check we have/dont have the correct public ip addresses", NULL },
138 const char **extra_argv;
141 struct event_context *ev;
143 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
145 while ((opt = poptGetNextOpt(pc)) != -1) {
148 fprintf(stderr, "Invalid option %s: %s\n",
149 poptBadOption(pc, 0), poptStrerror(opt));
154 /* setup the remaining options for the main program to use */
155 extra_argv = poptGetArgs(pc);
158 while (extra_argv[extra_argc]) extra_argc++;
161 if (!options.recovery_lock_file) {
162 DEBUG(DEBUG_ALERT,("You must specifiy the location of a recovery lock file with --reclock\n"));
166 talloc_enable_null_tracking();
168 ctdb_block_signal(SIGPIPE);
170 ev = event_context_init(NULL);
172 ctdb = ctdb_cmdline_init(ev);
174 ctdb->start_as_disabled = options.start_as_disabled;
176 script_log_level = options.script_log_level;
178 ret = ctdb_set_logfile(ctdb, options.logfile, options.use_syslog);
180 printf("ctdb_set_logfile to %s failed - %s\n",
181 options.use_syslog?"syslog":options.logfile, ctdb_errstr(ctdb));
185 DEBUG(DEBUG_NOTICE,("Starting CTDB daemon\n"));
186 gettimeofday(&ctdb->ctdbd_start_time, NULL);
187 gettimeofday(&ctdb->last_recovery_started, NULL);
188 gettimeofday(&ctdb->last_recovery_finished, NULL);
189 ctdb->recovery_mode = CTDB_RECOVERY_NORMAL;
190 ctdb->recovery_master = (uint32_t)-1;
191 ctdb->upcalls = &ctdb_upcalls;
192 ctdb->idr = idr_init(ctdb);
193 ctdb->recovery_lock_fd = -1;
195 ctdb_tunables_set_defaults(ctdb);
197 ret = ctdb_set_recovery_lock_file(ctdb, options.recovery_lock_file);
199 DEBUG(DEBUG_ALERT,("ctdb_set_recovery_lock_file failed - %s\n", ctdb_errstr(ctdb)));
203 ret = ctdb_set_transport(ctdb, options.transport);
205 DEBUG(DEBUG_ALERT,("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb)));
209 /* tell ctdb what address to listen on */
210 if (options.myaddress) {
211 ret = ctdb_set_address(ctdb, options.myaddress);
213 DEBUG(DEBUG_ALERT,("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb)));
218 /* set ctdbd capabilities */
219 ctdb->capabilities = 0;
220 if (options.no_lmaster == 0) {
221 ctdb->capabilities |= CTDB_CAP_LMASTER;
223 if (options.no_recmaster == 0) {
224 ctdb->capabilities |= CTDB_CAP_RECMASTER;
226 if (options.lvs != 0) {
227 ctdb->capabilities |= CTDB_CAP_LVS;
230 /* tell ctdb what nodes are available */
231 ctdb_load_nodes_file(ctdb);
233 /* if a node-ip was specified, verify that it exists in the
236 if (options.node_ip != NULL) {
237 DEBUG(DEBUG_NOTICE,("IP for this node is %s\n", options.node_ip));
238 ret = ctdb_ip_to_nodeid(ctdb, options.node_ip);
240 DEBUG(DEBUG_ALERT,("The specified node-ip:%s is not a valid node address. Exiting.\n", options.node_ip));
243 ctdb->node_ip = options.node_ip;
244 DEBUG(DEBUG_NOTICE,("This is node %d\n", ret));
247 if (options.db_dir) {
248 ret = ctdb_set_tdb_dir(ctdb, options.db_dir);
250 DEBUG(DEBUG_ALERT,("ctdb_set_tdb_dir failed - %s\n", ctdb_errstr(ctdb)));
254 if (options.db_dir_persistent) {
255 ret = ctdb_set_tdb_dir_persistent(ctdb, options.db_dir_persistent);
257 DEBUG(DEBUG_ALERT,("ctdb_set_tdb_dir_persistent failed - %s\n", ctdb_errstr(ctdb)));
262 if (options.public_interface) {
263 ctdb->default_public_interface = talloc_strdup(ctdb, options.public_interface);
264 CTDB_NO_MEMORY(ctdb, ctdb->default_public_interface);
267 if (options.single_public_ip) {
268 struct ctdb_vnn *svnn;
270 if (options.public_interface == NULL) {
271 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"));
275 svnn = talloc_zero(ctdb, struct ctdb_vnn);
276 CTDB_NO_MEMORY(ctdb, svnn);
278 ctdb->single_ip_vnn = svnn;
279 svnn->iface = talloc_strdup(svnn, options.public_interface);
280 CTDB_NO_MEMORY(ctdb, svnn->iface);
282 if (parse_ip(options.single_public_ip,
284 &svnn->public_address) == 0) {
285 DEBUG(DEBUG_ALERT,("Invalid --single-public-ip argument : %s . This is not a valid ip address. Exiting.\n", options.single_public_ip));
290 if (options.public_address_list) {
291 ret = ctdb_set_public_addresses(ctdb, options.public_address_list);
293 DEBUG(DEBUG_ALERT,("Unable to setup public address list\n"));
298 ret = ctdb_set_event_script_dir(ctdb, options.event_script_dir);
300 DEBUG(DEBUG_ALERT,("Unable to setup event script directory\n"));
304 ctdb->do_setsched = !options.no_setsched;
306 ctdb->do_checkpublicip = !options.no_publicipcheck;
308 if (getenv("CTDB_BASE") == NULL) {
309 /* setup a environment variable for the event scripts to use
310 to find the installation directory */
311 setenv("CTDB_BASE", ETCDIR "/ctdb", 1);
314 /* start the protocol running (as a child) */
315 return ctdb_start_daemon(ctdb, interactive?False:True);