/*
* configfile.h
*
* Copyright (c) 2ndQuadrant, 2010-2019
*
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#ifndef _REPMGR_CONFIGFILE_H_
#define _REPMGR_CONFIGFILE_H_
#include
#define CONFIG_FILE_NAME "repmgr.conf"
#define MAXLINELENGTH 4096
/* magic number for use in t_recovery_conf */
#define TARGET_TIMELINE_LATEST 0
extern bool config_file_found;
extern char config_file_path[MAXPGPATH];
typedef enum
{
FAILOVER_MANUAL,
FAILOVER_AUTOMATIC
} failover_mode_opt;
typedef enum
{
CHECK_PING,
CHECK_CONNECTION
} ConnectionCheckType;
typedef struct EventNotificationListCell
{
struct EventNotificationListCell *next;
char event_type[MAXLEN];
} EventNotificationListCell;
typedef struct EventNotificationList
{
EventNotificationListCell *head;
EventNotificationListCell *tail;
} EventNotificationList;
typedef struct TablespaceListCell
{
struct TablespaceListCell *next;
char old_dir[MAXPGPATH];
char new_dir[MAXPGPATH];
} TablespaceListCell;
typedef struct TablespaceList
{
TablespaceListCell *head;
TablespaceListCell *tail;
} TablespaceList;
typedef struct
{
/* node information */
int node_id;
char node_name[MAXLEN];
char conninfo[MAXLEN];
char replication_user[NAMEDATALEN];
char data_directory[MAXPGPATH];
char config_directory[MAXPGPATH];
char pg_bindir[MAXPGPATH];
char repmgr_bindir[MAXPGPATH];
int replication_type;
/* log settings */
char log_level[MAXLEN];
char log_facility[MAXLEN];
char log_file[MAXLEN];
int log_status_interval;
/* standby clone settings */
bool use_replication_slots;
char pg_basebackup_options[MAXLEN];
char restore_command[MAXLEN];
TablespaceList tablespace_mapping;
char recovery_min_apply_delay[MAXLEN];
bool recovery_min_apply_delay_provided;
char archive_cleanup_command[MAXLEN];
bool use_primary_conninfo_password;
char passfile[MAXPGPATH];
/* standby promote settings */
int promote_check_timeout;
int promote_check_interval;
/* standby follow settings */
int primary_follow_timeout;
int standby_follow_timeout;
/* standby switchover settings */
int shutdown_check_timeout;
int standby_reconnect_timeout;
int wal_receive_check_timeout;
/* node rejoin settings */
int node_rejoin_timeout;
/* node check settings */
int archive_ready_warning;
int archive_ready_critical;
int replication_lag_warning;
int replication_lag_critical;
/* witness settings */
int witness_sync_interval;
/* repmgrd settings */
failover_mode_opt failover;
char location[MAXLEN];
int priority;
char promote_command[MAXLEN];
char follow_command[MAXLEN];
int monitor_interval_secs;
int reconnect_attempts;
int reconnect_interval;
bool monitoring_history;
int degraded_monitoring_timeout;
int async_query_timeout;
int primary_notification_timeout;
int repmgrd_standby_startup_timeout;
char repmgrd_pid_file[MAXPGPATH];
bool standby_disconnect_on_failover;
int sibling_nodes_disconnect_timeout;
ConnectionCheckType connection_check_type;
/* BDR settings */
bool bdr_local_monitoring_only;
bool bdr_recovery_timeout;
/* service settings */
char pg_ctl_options[MAXLEN];
char service_start_command[MAXPGPATH];
char service_stop_command[MAXPGPATH];
char service_restart_command[MAXPGPATH];
char service_reload_command[MAXPGPATH];
char service_promote_command[MAXPGPATH];
/* repmgrd service settings */
char repmgrd_service_start_command[MAXPGPATH];
char repmgrd_service_stop_command[MAXPGPATH];
/* event notification settings */
char event_notification_command[MAXPGPATH];
char event_notifications_orig[MAXLEN];
EventNotificationList event_notifications;
/* barman settings */
char barman_host[MAXLEN];
char barman_server[MAXLEN];
char barman_config[MAXLEN];
/* rsync/ssh settings */
char rsync_options[MAXLEN];
char ssh_options[MAXLEN];
/* undocumented test settings */
int promote_delay;
} t_configuration_options;
/*
* The following will initialize the structure with a minimal set of options;
* actual defaults are set in parse_config() before parsing the configuration file
*/
#define T_CONFIGURATION_OPTIONS_INITIALIZER { \
/* node information */ \
UNKNOWN_NODE_ID, "", "", "", "", "", "", "", REPLICATION_TYPE_PHYSICAL, \
/* log settings */ \
"", "", "", DEFAULT_LOG_STATUS_INTERVAL, \
/* standby clone settings */ \
false, "", "", { NULL, NULL }, "", false, "", false, "", \
/* standby promote settings */ \
DEFAULT_PROMOTE_CHECK_TIMEOUT, DEFAULT_PROMOTE_CHECK_INTERVAL, \
/* standby follow settings */ \
DEFAULT_PRIMARY_FOLLOW_TIMEOUT, \
DEFAULT_STANDBY_FOLLOW_TIMEOUT, \
/* standby switchover settings */ \
DEFAULT_SHUTDOWN_CHECK_TIMEOUT, \
DEFAULT_STANDBY_RECONNECT_TIMEOUT, \
DEFAULT_WAL_RECEIVE_CHECK_TIMEOUT, \
/* node rejoin settings */ \
DEFAULT_NODE_REJOIN_TIMEOUT, \
/* node check settings */ \
DEFAULT_ARCHIVE_READY_WARNING, DEFAULT_ARCHIVE_READY_CRITICAL, \
DEFAULT_REPLICATION_LAG_WARNING, DEFAULT_REPLICATION_LAG_CRITICAL, \
/* witness settings */ \
DEFAULT_WITNESS_SYNC_INTERVAL, \
/* repmgrd settings */ \
FAILOVER_MANUAL, DEFAULT_LOCATION, DEFAULT_PRIORITY, "", "", \
DEFAULT_MONITORING_INTERVAL, \
DEFAULT_RECONNECTION_ATTEMPTS, \
DEFAULT_RECONNECTION_INTERVAL, \
false, -1, \
DEFAULT_ASYNC_QUERY_TIMEOUT, \
DEFAULT_PRIMARY_NOTIFICATION_TIMEOUT, \
-1, "", false, DEFAULT_SIBLING_NODES_DISCONNECT_TIMEOUT, CHECK_PING, \
/* BDR settings */ \
false, DEFAULT_BDR_RECOVERY_TIMEOUT, \
/* service settings */ \
"", "", "", "", "", "", \
/* repmgrd service settings */ \
"", "", \
/* event notification settings */ \
"", "", { NULL, NULL }, \
/* barman settings */ \
"", "", "", \
/* rsync/ssh settings */ \
"", "", \
/* undocumented test settings */ \
0 \
}
typedef struct
{
char slot[MAXLEN];
char xlog_method[MAXLEN];
bool no_slot; /* from PostgreSQL 10 */
} t_basebackup_options;
#define T_BASEBACKUP_OPTIONS_INITIALIZER { "", "", false }
typedef enum
{
RTA_PAUSE,
RTA_PROMOTE,
RTA_SHUTDOWN
} RecoveryTargetAction;
/*
* Struct to hold the contents of a parsed recovery.conf file.
* We're only really interested in those related to streaming
* replication (and also "restore_command") but include the
* others for completeness.
*
* NOTE: "recovery_target" not included as it can only have
* one value, "immediate".
*/
typedef struct
{
/* archive recovery settings */
char restore_command[MAXLEN];
char archive_cleanup_command[MAXLEN];
char recovery_end_command[MAXLEN];
/* recovery target settings */
char recovery_target_name[MAXLEN];
char recovery_target_time[MAXLEN];
char recovery_target_xid[MAXLEN];
bool recovery_target_inclusive;
int recovery_target_timeline;
RecoveryTargetAction recovery_target_action; /* default: RTA_PAUSE */
/* standby server settings */
bool standby_mode;
char primary_conninfo[MAXLEN];
char primary_slot_name[MAXLEN];
char trigger_file[MAXLEN];
char recovery_min_apply_delay[MAXLEN];
} t_recovery_conf;
#define T_RECOVERY_CONF_INITIALIZER { \
/* archive recovery settings */ \
"", "", "", \
/* recovery target settings */ \
"", "", "", true, \
TARGET_TIMELINE_LATEST, \
RTA_PAUSE, \
/* standby server settings */ \
true, \
"", "", "", "" \
}
#include "dbutils.h"
void set_progname(const char *argv0);
const char *progname(void);
void load_config(const char *config_file, bool verbose, bool terse, t_configuration_options *options, char *argv0);
bool reload_config(t_configuration_options *orig_options, t_server_type server_type);
bool parse_recovery_conf(const char *data_dir, t_recovery_conf *conf);
bool parse_bool(const char *s,
const char *config_item,
ItemList *error_list);
int repmgr_atoi(const char *s,
const char *config_item,
ItemList *error_list,
int minval);
bool parse_pg_basebackup_options(const char *pg_basebackup_options,
t_basebackup_options *backup_options,
int server_version_num,
ItemList *error_list);
int parse_output_to_argv(const char *string, char ***argv_array);
void free_parsed_argv(char ***argv_array);
/* called by repmgr-client and repmgrd */
void exit_with_cli_errors(ItemList *error_list, const char *repmgr_command);
void print_item_list(ItemList *item_list);
#endif /* _REPMGR_CONFIGFILE_H_ */