db/pg_probackup
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Check segment file for start backup (testing archive_command).

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This commit is contained in:
stalkerg 2016-11-25 16:54:24 +03:00
parent b127345cd5
commit 90897a54b8
1 changed files with 42 additions and 0 deletions
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42
backup.c
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@ -80,6 +80,7 @@ static void create_file_list(parray *files,
const char *prefix,
bool is_append);
static void wait_for_archive(PGconn *conn, pgBackup *backup, const char *sql, bool stop_backup);
static void wait_archive_lsn(XLogRecPtr lsn, bool last_segno);
static void make_pagemap_from_ptrack(parray *files);
static void StreamLog(void *arg);
@ -651,7 +652,12 @@ pg_start_backup(const char *label, bool smooth, pgBackup *backup)
ERROR);
if (backup != NULL)
{
get_lsn(start_stop_connect, res, &backup->start_lsn, false);
if (!stream_wal && !from_replica)
wait_archive_lsn(backup->start_lsn, true);
}
PQclear(res);
}
@ -842,6 +848,42 @@ wait_for_archive(PGconn *conn, pgBackup *backup, const char *sql, bool stop_back
elog(LOG, "%s() .ready deleted in %d try", __FUNCTION__, try_count);
}
static void
wait_archive_lsn(XLogRecPtr lsn, bool last_segno)
{
TimeLineID tli;
XLogSegNo targetSegNo;
char ready_path[MAXPGPATH];
char file_name[MAXFNAMELEN];
int try_count;
tli = get_current_timeline(false);
/* As well as WAL file name */
XLByteToSeg(lsn, targetSegNo);
if (last_segno)
targetSegNo--;
XLogFileName(file_name, tli, targetSegNo);
snprintf(ready_path, lengthof(ready_path),
"%s/%s", arclog_path, file_name);
elog(LOG, "%s() wait for lsn:%li %s", __FUNCTION__, lsn, ready_path);
/* wait until switched WAL is archived */
try_count = 0;
while (!fileExists(ready_path))
{
sleep(1);
if (interrupted)
elog(ERROR,
"interrupted during waiting for WAL archiving");
try_count++;
if (try_count > TIMEOUT_ARCHIVE)
elog(ERROR,
"switched WAL could not be archived in %d seconds",
TIMEOUT_ARCHIVE);
}
}
/*
* Notify end of backup to PostgreSQL server.
*/