#include "system/time.h"
#include "system/wait.h"
#include "system/network.h"
+#include "system/syslog.h"
#include <popt.h>
#include <talloc.h>
#include "common/reqid.h"
#include "common/system.h"
#include "common/common.h"
+#include "common/path.h"
#include "common/logging.h"
+#include "common/logging_conf.h"
-static struct {
- const char *socket;
- const char *debuglevel;
- const char *nlist;
- const char *transport;
- const char *myaddress;
- const char *public_address_list;
- const char *event_script_dir;
- const char *notification_script;
- const char *logging;
- const char *recovery_lock;
- const char *db_dir;
- const char *db_dir_persistent;
- const char *db_dir_state;
- const char *public_interface;
- int valgrinding;
- int nosetsched;
- int start_as_disabled;
- int start_as_stopped;
- int no_lmaster;
- int no_recmaster;
- int script_log_level;
- int no_publicipcheck;
- int max_persistent_check_errors;
- int torture;
-} options = {
- .socket = CTDB_SOCKET,
- .debuglevel = "NOTICE",
- .nlist = NULL,
- .public_address_list = NULL,
- .transport = "tcp",
- .event_script_dir = NULL,
- .logging = "file:" LOGDIR "/log.ctdb",
- .db_dir = CTDB_VARDIR,
- .db_dir_persistent = CTDB_VARDIR "/persistent",
- .db_dir_state = CTDB_VARDIR "/state",
- .script_log_level = DEBUG_ERR,
-};
+#include "ctdb_config.h"
int script_log_level;
bool fast_start;
.node_connected = ctdb_node_connected
};
+static struct ctdb_context *ctdb_init(struct tevent_context *ev)
+{
+ int ret;
+ struct ctdb_context *ctdb;
+
+ ctdb = talloc_zero(ev, struct ctdb_context);
+ if (ctdb == NULL) {
+ DBG_ERR("Memory error\n");
+ return NULL;
+ }
+ ctdb->ev = ev;
+
+ /* Wrap early to exercise code. */
+ ret = reqid_init(ctdb, INT_MAX-200, &ctdb->idr);
+ if (ret != 0) {
+ D_ERR("reqid_init failed (%s)\n", strerror(ret));
+ talloc_free(ctdb);
+ return NULL;
+ }
+
+ ret = srvid_init(ctdb, &ctdb->srv);
+ if (ret != 0) {
+ D_ERR("srvid_init failed (%s)\n", strerror(ret));
+ talloc_free(ctdb);
+ return NULL;
+ }
+
+ ctdb->daemon.name = path_socket(ctdb, "ctdbd");
+ if (ctdb->daemon.name == NULL) {
+ DBG_ERR("Memory allocation error\n");
+ talloc_free(ctdb);
+ return NULL;
+ }
+
+ ctdbd_pidfile = path_pidfile(ctdb, "ctdbd");
+ if (ctdbd_pidfile == NULL) {
+ DBG_ERR("Memory allocation error\n");
+ talloc_free(ctdb);
+ return NULL;
+ }
+
+ gettimeofday(&ctdb->ctdbd_start_time, NULL);
+
+ gettimeofday(&ctdb->last_recovery_started, NULL);
+ gettimeofday(&ctdb->last_recovery_finished, NULL);
+
+ ctdb->recovery_mode = CTDB_RECOVERY_NORMAL;
+ ctdb->recovery_master = (uint32_t)-1;
+
+ ctdb->upcalls = &ctdb_upcalls;
+
+ ctdb->statistics.statistics_start_time = timeval_current();
+
+ ctdb->capabilities = CTDB_CAP_DEFAULT;
+
+ /*
+ * Initialise this node's PNN to the unknown value. This will
+ * be set to the correct value by either ctdb_add_node() as
+ * part of loading the nodes file or by
+ * ctdb_tcp_listen_automatic() when the transport is
+ * initialised. At some point we should de-optimise this and
+ * pull it out into ctdb_start_daemon() so it is done clearly
+ * and only in one place.
+ */
+ ctdb->pnn = CTDB_UNKNOWN_PNN;
+
+ ctdb->do_checkpublicip = true;
+
+ return ctdb;
+}
/*
*/
int main(int argc, const char *argv[])
{
- struct ctdb_context *ctdb;
- int interactive = 0;
+ struct ctdb_context *ctdb = NULL;
+ int interactive_opt = 0;
+ bool interactive = false;
struct poptOption popt_options[] = {
POPT_AUTOHELP
- { "socket", 0, POPT_ARG_STRING, &options.socket, 0, "local socket name", "filename" },
- { "debug", 'd', POPT_ARG_STRING, &options.debuglevel, 0, "debug level", NULL },
- { "interactive", 'i', POPT_ARG_NONE, &interactive, 0, "don't fork", NULL },
- { "public-addresses", 0, POPT_ARG_STRING, &options.public_address_list, 0, "public address list file", "filename" },
- { "public-interface", 0, POPT_ARG_STRING, &options.public_interface, 0, "public interface", "interface"},
- { "event-script-dir", 0, POPT_ARG_STRING, &options.event_script_dir, 0, "event script directory", "dirname" },
- { "logging", 0, POPT_ARG_STRING, &options.logging, 0, "logging method to be used", NULL },
- { "nlist", 0, POPT_ARG_STRING, &options.nlist, 0, "node list file", "filename" },
- { "notification-script", 0, POPT_ARG_STRING, &options.notification_script, 0, "notification script", "filename" },
- { "listen", 0, POPT_ARG_STRING, &options.myaddress, 0, "address to listen on", "address" },
- { "transport", 0, POPT_ARG_STRING, &options.transport, 0, "protocol transport", NULL },
- { "dbdir", 0, POPT_ARG_STRING, &options.db_dir, 0, "directory for the tdb files", NULL },
- { "dbdir-persistent", 0, POPT_ARG_STRING, &options.db_dir_persistent, 0, "directory for persistent tdb files", NULL },
- { "dbdir-state", 0, POPT_ARG_STRING, &options.db_dir_state, 0, "directory for internal state tdb files", NULL },
- { "reclock", 0, POPT_ARG_STRING, &options.recovery_lock, 0, "recovery lock", "lock" },
- { "valgrinding", 0, POPT_ARG_NONE, &options.valgrinding, 0, "disable setscheduler SCHED_FIFO call, use mmap for tdbs", NULL },
- { "nosetsched", 0, POPT_ARG_NONE, &options.nosetsched, 0, "disable setscheduler SCHED_FIFO call, use mmap for tdbs", NULL },
- { "start-as-disabled", 0, POPT_ARG_NONE, &options.start_as_disabled, 0, "Node starts in disabled state", NULL },
- { "start-as-stopped", 0, POPT_ARG_NONE, &options.start_as_stopped, 0, "Node starts in stopped state", NULL },
- { "no-lmaster", 0, POPT_ARG_NONE, &options.no_lmaster, 0, "disable lmaster role on this node", NULL },
- { "no-recmaster", 0, POPT_ARG_NONE, &options.no_recmaster, 0, "disable recmaster role on this node", NULL },
- { "script-log-level", 0, POPT_ARG_INT, &options.script_log_level, 0, "log level of event script output", NULL },
- { "nopublicipcheck", 0, POPT_ARG_NONE, &options.no_publicipcheck, 0, "don't check we have/don't have the correct public ip addresses", NULL },
- { "max-persistent-check-errors", 0, POPT_ARG_INT,
- &options.max_persistent_check_errors, 0,
- "max allowed persistent check errors (default 0)", NULL },
- { "sloppy-start", 0, POPT_ARG_NONE, &fast_start, 0, "Do not perform full recovery on start", NULL },
- { "torture", 0, POPT_ARG_NONE, &options.torture, 0, "enable nastiness in library", NULL },
+ { "interactive", 'i', POPT_ARG_NONE, &interactive_opt, 0,
+ "don't fork, log to stderr", NULL },
POPT_TABLEEND
};
int opt, ret;
const char **extra_argv;
poptContext pc;
struct tevent_context *ev;
+ const char *ctdb_base;
+ struct conf_context *conf;
+ const char *logging_location;
+ const char *test_mode;
+ bool ok;
+
+ /*
+ * Basic setup
+ */
- /* Environment variable overrides default */
- ctdbd_pidfile = getenv("CTDB_PIDFILE");
- if (ctdbd_pidfile == NULL) {
- ctdbd_pidfile = CTDB_RUNDIR "/ctdbd.pid";
+ talloc_enable_null_tracking();
+
+ fault_setup();
+
+ ev = tevent_context_init(NULL);
+ if (ev == NULL) {
+ fprintf(stderr, "tevent_context_init() failed\n");
+ exit(1);
+ }
+ tevent_loop_allow_nesting(ev);
+
+ ctdb = ctdb_init(ev);
+ if (ctdb == NULL) {
+ fprintf(stderr, "Failed to init ctdb\n");
+ exit(1);
}
+ /* Default value for CTDB_BASE - don't override */
+ setenv("CTDB_BASE", CTDB_ETCDIR, 0);
+ ctdb_base = getenv("CTDB_BASE");
+ if (ctdb_base == NULL) {
+ D_ERR("CTDB_BASE not set\n");
+ exit(1);
+ }
+
+ /*
+ * Command-line option handling
+ */
+
pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
while ((opt = poptGetNextOpt(pc)) != -1) {
default:
fprintf(stderr, "Invalid option %s: %s\n",
poptBadOption(pc, 0), poptStrerror(opt));
- exit(1);
+ goto fail;
}
}
extra_argv++;
if (extra_argv[0]) {
poptPrintHelp(pc, stdout, 0);
- exit(1);
+ goto fail;
}
}
- talloc_enable_null_tracking();
+ interactive = (interactive_opt != 0);
- fault_setup();
+ /*
+ * Configuration file handling
+ */
- ev = tevent_context_init(NULL);
- if (ev == NULL) {
- fprintf(stderr, "tevent_context_init() failed\n");
- exit(1);
+ ret = ctdbd_config_load(ctdb, &conf);
+ if (ret != 0) {
+ /* ctdbd_config_load() logs the failure */
+ goto fail;
}
- tevent_loop_allow_nesting(ev);
- ctdb = ctdb_init(ev);
- if (ctdb == NULL) {
- fprintf(stderr, "Failed to init ctdb\n");
- exit(1);
- }
+ /*
+ * Logging setup/options
+ */
- if (options.torture == 1) {
- ctdb_set_flags(ctdb, CTDB_FLAG_TORTURE);
- }
+ test_mode = getenv("CTDB_TEST_MODE");
- /* Log to stderr when running as interactive */
+ /* Log to stderr (ignoring configuration) when running as interactive */
if (interactive) {
- options.logging = "file:";
+ logging_location = "file:";
+ setenv("CTDB_INTERACTIVE", "true", 1);
+ } else {
+ logging_location = logging_conf_location(conf);
+ }
+
+ if (strcmp(logging_location, "syslog") != 0 && test_mode == NULL) {
+ /* This can help when CTDB logging is misconfigured */
+ syslog(LOG_DAEMON|LOG_NOTICE,
+ "CTDB logging to location %s",
+ logging_location);
}
/* Initialize logging and set the debug level */
- if (!ctdb_logging_init(ctdb, options.logging, options.debuglevel)) {
- exit(1);
+ ok = ctdb_logging_init(ctdb,
+ logging_location,
+ logging_conf_log_level(conf));
+ if (!ok) {
+ goto fail;
}
- setenv("CTDB_LOGGING", options.logging, 1);
+ setenv("CTDB_LOGGING", logging_location, 1);
setenv("CTDB_DEBUGLEVEL", debug_level_to_string(DEBUGLEVEL), 1);
- setenv("CTDB_SOCKET", options.socket, 1);
- ret = ctdb_set_socketname(ctdb, options.socket);
- if (ret == -1) {
- DEBUG(DEBUG_ERR, ("ctdb_set_socketname() failed\n"));
- exit(1);
- }
+ script_log_level = debug_level_from_string(
+ ctdb_config.script_log_level);
- ctdb->start_as_disabled = options.start_as_disabled;
- ctdb->start_as_stopped = options.start_as_stopped;
+ D_NOTICE("CTDB starting on node\n");
- script_log_level = options.script_log_level;
+ /*
+ * Cluster setup/options
+ */
- DEBUG(DEBUG_NOTICE,("CTDB starting on node\n"));
+ ret = ctdb_set_transport(ctdb, ctdb_config.transport);
+ if (ret == -1) {
+ D_ERR("ctdb_set_transport failed - %s\n", ctdb_errstr(ctdb));
+ goto fail;
+ }
- gettimeofday(&ctdb->ctdbd_start_time, NULL);
- gettimeofday(&ctdb->last_recovery_started, NULL);
- gettimeofday(&ctdb->last_recovery_finished, NULL);
- ctdb->recovery_mode = CTDB_RECOVERY_NORMAL;
- ctdb->recovery_master = (uint32_t)-1;
- ctdb->upcalls = &ctdb_upcalls;
+ if (ctdb_config.recovery_lock == NULL) {
+ D_WARNING("Recovery lock not set\n");
+ }
+ ctdb->recovery_lock = ctdb_config.recovery_lock;
- if (options.recovery_lock == NULL) {
- DEBUG(DEBUG_WARNING, ("Recovery lock not set\n"));
+ /* tell ctdb what address to listen on */
+ if (ctdb_config.node_address) {
+ ret = ctdb_set_address(ctdb, ctdb_config.node_address);
+ if (ret == -1) {
+ D_ERR("ctdb_set_address failed - %s\n",
+ ctdb_errstr(ctdb));
+ goto fail;
+ }
}
- ctdb->recovery_lock = options.recovery_lock;
- TALLOC_FREE(ctdb->idr);
- ret = reqid_init(ctdb, 0, &ctdb->idr);;
- if (ret != 0) {
- DEBUG(DEBUG_ERR, ("reqid_init failed (%s)\n", strerror(ret)));
- exit(1);
+ /* tell ctdb what nodes are available */
+ ctdb->nodes_file = talloc_asprintf(ctdb, "%s/nodes", ctdb_base);
+ if (ctdb->nodes_file == NULL) {
+ DBG_ERR(" Out of memory\n");
+ goto fail;
}
+ ctdb_load_nodes_file(ctdb);
- ctdb_tunables_set_defaults(ctdb);
+ /*
+ * Database setup/options
+ */
- ret = ctdb_set_transport(ctdb, options.transport);
- if (ret == -1) {
- DEBUG(DEBUG_ERR,("ctdb_set_transport failed - %s\n",
- ctdb_errstr(ctdb)));
- exit(1);
+ ctdb->db_directory = ctdb_config.dbdir_volatile;
+ ok = directory_exist(ctdb->db_directory);
+ if (! ok) {
+ D_ERR("Volatile database directory %s does not exist\n",
+ ctdb->db_directory);
+ goto fail;
}
- /* tell ctdb what address to listen on */
- if (options.myaddress) {
- ret = ctdb_set_address(ctdb, options.myaddress);
- if (ret == -1) {
- DEBUG(DEBUG_ERR,("ctdb_set_address failed - %s\n",
- ctdb_errstr(ctdb)));
- exit(1);
- }
+ ctdb->db_directory_persistent = ctdb_config.dbdir_persistent;
+ ok = directory_exist(ctdb->db_directory_persistent);
+ if (! ok) {
+ D_ERR("Persistent database directory %s does not exist\n",
+ ctdb->db_directory_persistent);
+ goto fail;
}
- /* set ctdbd capabilities */
- ctdb->capabilities = CTDB_CAP_DEFAULT;
- if (options.no_lmaster != 0) {
- ctdb->capabilities &= ~CTDB_CAP_LMASTER;
+ ctdb->db_directory_state = ctdb_config.dbdir_state;
+ ok = directory_exist(ctdb->db_directory_state);
+ if (! ok) {
+ D_ERR("State database directory %s does not exist\n",
+ ctdb->db_directory_state);
+ goto fail;
}
- if (options.no_recmaster != 0) {
- ctdb->capabilities &= ~CTDB_CAP_RECMASTER;
+
+ if (ctdb_config.lock_debug_script != NULL) {
+ ret = setenv("CTDB_DEBUG_LOCKS",
+ ctdb_config.lock_debug_script,
+ 1);
+ if (ret != 0) {
+ D_ERR("Failed to set up lock debugging (%s)\n",
+ strerror(errno));
+ goto fail;
+ }
}
- /* Initialise this node's PNN to the unknown value. This will
- * be set to the correct value by either ctdb_add_node() as
- * part of loading the nodes file or by
- * ctdb_tcp_listen_automatic() when the transport is
- * initialised. At some point we should de-optimise this and
- * pull it out into ctdb_start_daemon() so it is done clearly
- * and only in one place.
+ /*
+ * Legacy setup/options
*/
- ctdb->pnn = -1;
- /* Default value for CTDB_BASE - don't override */
- setenv("CTDB_BASE", CTDB_ETCDIR, 0);
+ ctdb->start_as_disabled = (int)ctdb_config.start_as_disabled;
+ ctdb->start_as_stopped = (int)ctdb_config.start_as_stopped;
- /* tell ctdb what nodes are available */
- if (options.nlist != NULL) {
- ctdb->nodes_file = options.nlist;
- } else {
- ctdb->nodes_file =
- talloc_asprintf(ctdb, "%s/nodes", getenv("CTDB_BASE"));
- if (ctdb->nodes_file == NULL) {
- DEBUG(DEBUG_ERR,(__location__ " Out of memory\n"));
- exit(1);
- }
+ /* set ctdbd capabilities */
+ if (!ctdb_config.lmaster_capability) {
+ ctdb->capabilities &= ~CTDB_CAP_LMASTER;
+ }
+ if (!ctdb_config.recmaster_capability) {
+ ctdb->capabilities &= ~CTDB_CAP_RECMASTER;
}
- ctdb_load_nodes_file(ctdb);
- ctdb->db_directory = options.db_dir;
- mkdir_p_or_die(ctdb->db_directory, 0700);
+ ctdb->do_setsched = ctdb_config.realtime_scheduling;
- ctdb->db_directory_persistent = options.db_dir_persistent;
- mkdir_p_or_die(ctdb->db_directory_persistent, 0700);
+ /*
+ * Miscellaneous setup
+ */
- ctdb->db_directory_state = options.db_dir_state;
- mkdir_p_or_die(ctdb->db_directory_state, 0700);
+ ctdb_tunables_set_defaults(ctdb);
- if (options.public_interface) {
- ctdb->default_public_interface = talloc_strdup(ctdb, options.public_interface);
- CTDB_NO_MEMORY(ctdb, ctdb->default_public_interface);
+ ctdb->event_script_dir = talloc_asprintf(ctdb,
+ "%s/events/legacy",
+ ctdb_base);
+ if (ctdb->event_script_dir == NULL) {
+ DBG_ERR("Out of memory\n");
+ goto fail;
}
- if (options.event_script_dir != NULL) {
- ctdb->event_script_dir = options.event_script_dir;
- } else {
- ctdb->event_script_dir = talloc_asprintf(ctdb, "%s/events.d",
- getenv("CTDB_BASE"));
- if (ctdb->event_script_dir == NULL) {
- DEBUG(DEBUG_ERR,(__location__ " Out of memory\n"));
- exit(1);
- }
+ ctdb->notification_script = talloc_asprintf(ctdb,
+ "%s/notify.sh",
+ ctdb_base);
+ if (ctdb->notification_script == NULL) {
+ D_ERR("Unable to set notification script\n");
+ goto fail;
}
- if (options.notification_script != NULL) {
- ret = ctdb_set_notification_script(ctdb, options.notification_script);
- if (ret == -1) {
- DEBUG(DEBUG_ERR,("Unable to setup notification script\n"));
- exit(1);
- }
- }
+ /*
+ * Testing and debug options
+ */
- ctdb->valgrinding = (options.valgrinding == 1);
- ctdb->do_setsched = (options.nosetsched != 1);
- if (ctdb->valgrinding) {
+ if (test_mode != NULL) {
ctdb->do_setsched = false;
+ ctdb->do_checkpublicip = false;
+ fast_start = true;
}
- ctdb->public_addresses_file = options.public_address_list;
- ctdb->do_checkpublicip = (options.no_publicipcheck == 0);
-
- if (options.max_persistent_check_errors < 0) {
- ctdb->max_persistent_check_errors = 0xFFFFFFFFFFFFFFFFLL;
- } else {
- ctdb->max_persistent_check_errors = (uint64_t)options.max_persistent_check_errors;
- }
+ /* Don't fork when running in test mode */
+ interactive = interactive || test_mode != NULL;
/* start the protocol running (as a child) */
- return ctdb_start_daemon(ctdb, interactive?false:true);
+ return ctdb_start_daemon(ctdb, !interactive);
+
+fail:
+ talloc_free(ctdb);
+ exit(1);
}