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https://github.com/EnterpriseDB/repmgr.git
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5948cf6cda
pg_rewind will only be executed on a demoted primary if explictly requested, to prevent transactions on the primary, which were never replicated, from being automatically overwritten. If --force-rewind is provided, we'll need to check pg_rewind is actually useable before we need to use it.
192 lines
4.9 KiB
C
192 lines
4.9 KiB
C
/*
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* repmgr-client-global.h
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* Copyright (c) 2ndQuadrant, 2010-2017
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*/
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#ifndef _REPMGR_CLIENT_GLOBAL_H_
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#define _REPMGR_CLIENT_GLOBAL_H_
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#include "configfile.h"
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/* values for --copy-external-config-files */
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#define CONFIG_FILE_SAMEPATH 1
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#define CONFIG_FILE_PGDATA 2
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/* default value for "cluster event --limit"*/
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#define CLUSTER_EVENT_LIMIT 20
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typedef struct
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{
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/* configuration metadata */
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bool conninfo_provided;
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bool connection_param_provided;
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bool host_param_provided;
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bool limit_provided;
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bool wal_keep_segments_used;
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/* general configuration options */
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char config_file[MAXPGPATH];
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bool dry_run;
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bool force;
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char pg_bindir[MAXLEN]; /* overrides setting in repmgr.conf */
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bool wait;
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/* logging options */
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char log_level[MAXLEN]; /* overrides setting in repmgr.conf */
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bool log_to_file;
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bool terse;
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bool verbose;
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/* output options */
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bool csv;
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/* standard connection options */
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char dbname[MAXLEN];
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char host[MAXLEN];
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char username[MAXLEN];
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char port[MAXLEN];
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/* other connection options */
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char remote_user[MAXLEN];
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char superuser[MAXLEN];
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/* general node options */
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int node_id;
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char node_name[MAXLEN];
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char data_dir[MAXPGPATH];
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/* "standby clone" options */
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bool copy_external_config_files;
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int copy_external_config_files_destination;
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bool fast_checkpoint;
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bool rsync_only;
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bool no_upstream_connection;
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char recovery_min_apply_delay[MAXLEN];
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char replication_user[MAXLEN];
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char upstream_conninfo[MAXLEN];
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int upstream_node_id;
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bool use_recovery_conninfo_password;
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char wal_keep_segments[MAXLEN];
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bool without_barman;
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/* "standby register" options */
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bool wait_register_sync;
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int wait_register_sync_seconds;
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/* "standby switchover" options */
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char remote_config_file[MAXPGPATH];
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bool always_promote;
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bool force_rewind;
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/* "node status" options */
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bool is_shutdown;
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/* "node service" options */
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char action[MAXLEN];
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bool check;
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bool list_actions;
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bool checkpoint;
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/* "cluster event" options */
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bool all;
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char event[MAXLEN];
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int limit;
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/* following options for internal use */
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char config_archive_dir[MAXPGPATH];
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} t_runtime_options;
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#define T_RUNTIME_OPTIONS_INITIALIZER { \
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/* configuration metadata */ \
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false, false, false, false, false, \
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/* general configuration options */ \
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"", false, false, "", false, \
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/* logging options */ \
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"", false, false, false, \
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/* output options */ \
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false, \
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/* database connection options */ \
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"", "", "", "", \
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/* other connection options */ \
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"", "", \
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/* node options */ \
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UNKNOWN_NODE_ID, "", "", \
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/* "standby clone" options */ \
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false, CONFIG_FILE_SAMEPATH, false, false, false, "", "", "", \
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NO_UPSTREAM_NODE, false, "", false, \
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/* "standby register" options */ \
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false, 0, \
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/* "standby switchover" options */ \
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"", false, false, \
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/* "node status" options */ \
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false, \
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/* "node service" options */ \
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"", false, false, false, \
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/* "cluster event" options */ \
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false, "", CLUSTER_EVENT_LIMIT, \
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"/tmp" \
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}
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typedef enum {
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barman,
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pg_basebackup
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} standy_clone_mode;
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typedef enum {
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ACTION_UNKNOWN = -1,
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ACTION_NONE,
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ACTION_START,
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ACTION_STOP,
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ACTION_RESTART,
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ACTION_RELOAD,
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ACTION_PROMOTE
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} t_server_action;
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/* global configuration structures */
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extern t_runtime_options runtime_options;
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extern t_configuration_options config_file_options;
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t_conninfo_param_list source_conninfo;
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extern bool config_file_required;
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extern char pg_bindir[MAXLEN];
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extern char repmgr_slot_name[MAXLEN];
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extern char *repmgr_slot_name_ptr;
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extern t_node_info target_node_info;
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extern int check_server_version(PGconn *conn, char *server_type, bool exit_on_error, char *server_version_string);
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extern bool create_repmgr_extension(PGconn *conn);
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extern int test_ssh_connection(char *host, char *remote_user);
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extern bool local_command(const char *command, PQExpBufferData *outputbuf);
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extern bool check_upstream_config(PGconn *conn, int server_version_num, bool exit_on_error);
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extern standy_clone_mode get_standby_clone_mode(void);
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extern int copy_remote_files(char *host, char *remote_user, char *remote_path,
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char *local_path, bool is_directory, int server_version_num);
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extern void print_error_list(ItemList *error_list, int log_level);
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extern char *make_pg_path(const char *file);
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extern bool create_recovery_file(const char *data_dir, t_conninfo_param_list *recovery_conninfo);
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extern void get_superuser_connection(PGconn **conn, PGconn **superuser_conn, PGconn **privileged_conn);
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extern bool remote_command(const char *host, const char *user, const char *command, PQExpBufferData *outputbuf);
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extern void make_remote_repmgr_path(PQExpBufferData *outputbuf);
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/* server control functions */
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extern void get_server_action(t_server_action action, char *script, char *data_dir);
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extern bool data_dir_required_for_action(t_server_action action);
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extern void get_node_data_directory(char *data_dir_buf);
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#endif /* _REPMGR_CLIENT_GLOBAL_H_ */
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