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;
36 const char *notification_script;
38 const char *recovery_lock_file;
40 const char *db_dir_persistent;
41 const char *public_interface;
42 const char *single_public_ip;
46 int start_as_disabled;
54 .nlist = ETCDIR "/ctdb/nodes",
56 .event_script_dir = ETCDIR "/ctdb/events.d",
57 .logfile = LOGDIR "/log.ctdb",
58 .db_dir = VARDIR "/ctdb",
59 .db_dir_persistent = VARDIR "/ctdb/persistent",
60 .script_log_level = DEBUG_ERR,
66 called by the transport layer when a packet comes in
68 static void ctdb_recv_pkt(struct ctdb_context *ctdb, uint8_t *data, uint32_t length)
70 struct ctdb_req_header *hdr = (struct ctdb_req_header *)data;
72 ctdb->statistics.node_packets_recv++;
74 /* up the counter for this source node, so we know its alive */
75 if (ctdb_validate_pnn(ctdb, hdr->srcnode)) {
76 /* as a special case, redirected calls don't increment the rx_cnt */
77 if (hdr->operation != CTDB_REQ_CALL ||
78 ((struct ctdb_req_call *)hdr)->hopcount == 0) {
79 ctdb->nodes[hdr->srcnode]->rx_cnt++;
83 ctdb_input_pkt(ctdb, hdr);
86 void ctdb_load_nodes_file(struct ctdb_context *ctdb)
90 ret = ctdb_set_nlist(ctdb, options.nlist);
92 DEBUG(DEBUG_ALERT,("ctdb_set_nlist failed - %s\n", ctdb_errstr(ctdb)));
97 static const struct ctdb_upcalls ctdb_upcalls = {
98 .recv_pkt = ctdb_recv_pkt,
99 .node_dead = ctdb_node_dead,
100 .node_connected = ctdb_node_connected
108 int main(int argc, const char *argv[])
110 struct ctdb_context *ctdb;
113 struct poptOption popt_options[] = {
116 { "interactive", 'i', POPT_ARG_NONE, &interactive, 0, "don't fork", NULL },
117 { "public-addresses", 0, POPT_ARG_STRING, &options.public_address_list, 0, "public address list file", "filename" },
118 { "public-interface", 0, POPT_ARG_STRING, &options.public_interface, 0, "public interface", "interface"},
119 { "single-public-ip", 0, POPT_ARG_STRING, &options.single_public_ip, 0, "single public ip", "ip-address"},
120 { "event-script-dir", 0, POPT_ARG_STRING, &options.event_script_dir, 0, "event script directory", "dirname" },
121 { "logfile", 0, POPT_ARG_STRING, &options.logfile, 0, "log file location", "filename" },
122 { "nlist", 0, POPT_ARG_STRING, &options.nlist, 0, "node list file", "filename" },
123 { "node-ip", 0, POPT_ARG_STRING, &options.node_ip, 0, "node ip", "ip-address"},
124 { "notification-script", 0, POPT_ARG_STRING, &options.notification_script, 0, "notification script", "filename" },
125 { "listen", 0, POPT_ARG_STRING, &options.myaddress, 0, "address to listen on", "address" },
126 { "transport", 0, POPT_ARG_STRING, &options.transport, 0, "protocol transport", NULL },
127 { "dbdir", 0, POPT_ARG_STRING, &options.db_dir, 0, "directory for the tdb files", NULL },
128 { "dbdir-persistent", 0, POPT_ARG_STRING, &options.db_dir_persistent, 0, "directory for persistent tdb files", NULL },
129 { "reclock", 0, POPT_ARG_STRING, &options.recovery_lock_file, 0, "location of recovery lock file", "filename" },
130 { "nosetsched", 0, POPT_ARG_NONE, &options.no_setsched, 0, "disable setscheduler SCHED_FIFO call", NULL },
131 { "syslog", 0, POPT_ARG_NONE, &options.use_syslog, 0, "log messages to syslog", NULL },
132 { "start-as-disabled", 0, POPT_ARG_NONE, &options.start_as_disabled, 0, "Node starts in disabled state", NULL },
133 { "start-as-stopped", 0, POPT_ARG_NONE, &options.start_as_stopped, 0, "Node starts in stopped state", NULL },
134 { "no-lmaster", 0, POPT_ARG_NONE, &options.no_lmaster, 0, "disable lmaster role on this node", NULL },
135 { "no-recmaster", 0, POPT_ARG_NONE, &options.no_recmaster, 0, "disable recmaster role on this node", NULL },
136 { "lvs", 0, POPT_ARG_NONE, &options.lvs, 0, "lvs is enabled on this node", NULL },
137 { "script-log-level", 0, POPT_ARG_INT, &options.script_log_level, DEBUG_ERR, "log level of event script output", NULL },
138 { "nopublicipcheck", 0, POPT_ARG_NONE, &options.no_publicipcheck, 0, "dont check we have/dont have the correct public ip addresses", 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);
169 ev = event_context_init(NULL);
171 ctdb = ctdb_cmdline_init(ev);
173 ctdb->start_as_disabled = options.start_as_disabled;
174 ctdb->start_as_stopped = options.start_as_stopped;
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);
198 ret = ctdb_set_recovery_lock_file(ctdb, options.recovery_lock_file);
200 DEBUG(DEBUG_ALERT,("ctdb_set_recovery_lock_file failed - %s\n", ctdb_errstr(ctdb)));
204 ret = ctdb_set_transport(ctdb, options.transport);
206 DEBUG(DEBUG_ALERT,("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb)));
210 /* tell ctdb what address to listen on */
211 if (options.myaddress) {
212 ret = ctdb_set_address(ctdb, options.myaddress);
214 DEBUG(DEBUG_ALERT,("ctdb_set_address failed - %s\n", ctdb_errstr(ctdb)));
219 /* set ctdbd capabilities */
220 ctdb->capabilities = 0;
221 if (options.no_lmaster == 0) {
222 ctdb->capabilities |= CTDB_CAP_LMASTER;
224 if (options.no_recmaster == 0) {
225 ctdb->capabilities |= CTDB_CAP_RECMASTER;
227 if (options.lvs != 0) {
228 ctdb->capabilities |= CTDB_CAP_LVS;
231 /* tell ctdb what nodes are available */
232 ctdb_load_nodes_file(ctdb);
234 /* if a node-ip was specified, verify that it exists in the
237 if (options.node_ip != NULL) {
238 DEBUG(DEBUG_NOTICE,("IP for this node is %s\n", options.node_ip));
239 ret = ctdb_ip_to_nodeid(ctdb, options.node_ip);
241 DEBUG(DEBUG_ALERT,("The specified node-ip:%s is not a valid node address. Exiting.\n", options.node_ip));
244 ctdb->node_ip = options.node_ip;
245 DEBUG(DEBUG_NOTICE,("This is node %d\n", ret));
248 if (options.db_dir) {
249 ret = ctdb_set_tdb_dir(ctdb, options.db_dir);
251 DEBUG(DEBUG_ALERT,("ctdb_set_tdb_dir failed - %s\n", ctdb_errstr(ctdb)));
255 if (options.db_dir_persistent) {
256 ret = ctdb_set_tdb_dir_persistent(ctdb, options.db_dir_persistent);
258 DEBUG(DEBUG_ALERT,("ctdb_set_tdb_dir_persistent failed - %s\n", ctdb_errstr(ctdb)));
263 if (options.public_interface) {
264 ctdb->default_public_interface = talloc_strdup(ctdb, options.public_interface);
265 CTDB_NO_MEMORY(ctdb, ctdb->default_public_interface);
268 if (options.single_public_ip) {
269 struct ctdb_vnn *svnn;
271 if (options.public_interface == NULL) {
272 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"));
276 svnn = talloc_zero(ctdb, struct ctdb_vnn);
277 CTDB_NO_MEMORY(ctdb, svnn);
279 ctdb->single_ip_vnn = svnn;
280 svnn->iface = talloc_strdup(svnn, options.public_interface);
281 CTDB_NO_MEMORY(ctdb, svnn->iface);
283 if (parse_ip(options.single_public_ip,
286 &svnn->public_address) == 0) {
287 DEBUG(DEBUG_ALERT,("Invalid --single-public-ip argument : %s . This is not a valid ip address. Exiting.\n", options.single_public_ip));
292 if (options.public_address_list) {
293 ret = ctdb_set_public_addresses(ctdb, options.public_address_list);
295 DEBUG(DEBUG_ALERT,("Unable to setup public address list\n"));
300 ret = ctdb_set_event_script_dir(ctdb, options.event_script_dir);
302 DEBUG(DEBUG_ALERT,("Unable to setup event script directory\n"));
306 if (options.notification_script != NULL) {
307 ret = ctdb_set_notification_script(ctdb, options.notification_script);
309 DEBUG(DEBUG_ALERT,("Unable to setup notification script\n"));
314 ctdb->do_setsched = !options.no_setsched;
316 ctdb->do_checkpublicip = !options.no_publicipcheck;
318 if (getenv("CTDB_BASE") == NULL) {
319 /* setup a environment variable for the event scripts to use
320 to find the installation directory */
321 setenv("CTDB_BASE", ETCDIR "/ctdb", 1);
324 /* start the protocol running (as a child) */
325 return ctdb_start_daemon(ctdb, interactive?False:True, options.use_syslog);