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Make code to check standby join status available globally

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This makes it possible to check the standby join status from another
node, e.g. the promotion candidate during a switchover operation.
This commit is contained in:
Ian Barwick
2020-02-04 12:49:37 +09:00
parent e2a362a171
commit 7ed0a99d70
3 changed files with 136 additions and 62 deletions
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11
repmgr-client-global.h
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@@ -28,6 +28,8 @@
/* default value for "cluster event --limit"*/
#define CLUSTER_EVENT_LIMIT 20
typedef struct
{
/* configuration metadata */
@@ -210,6 +212,13 @@ typedef enum
SUPERUSER
} t_user_type;
typedef enum
{
JOIN_SUCCESS,
JOIN_FAIL_NO_PING,
JOIN_FAIL_NO_REPLICATION
} standy_join_status;
typedef struct ColHeader
{
@@ -269,8 +278,10 @@ extern bool can_use_pg_rewind(PGconn *conn, const char *data_directory, PQExpBuf
extern bool create_replication_slot(PGconn *conn, char *slot_name, t_node_info *upstream_node_record, PQExpBufferData *error_msg);
extern bool drop_replication_slot_if_exists(PGconn *conn, int node_id, char *slot_name);
extern standy_join_status check_standby_join(PGconn *primary_conn, t_node_info *primary_node_record, t_node_info *standby_node_record);
extern bool check_replication_slots_available(int node_id, PGconn* conn);
extern bool check_node_can_attach(TimeLineID local_tli, XLogRecPtr local_xlogpos, PGconn *follow_target_conn, t_node_info *follow_target_node_record, bool is_rejoin);
extern void check_shared_library(PGconn *conn);
extern bool is_repmgrd_running(PGconn *conn);
extern int parse_repmgr_version(const char *version_string);