38 lines
1.2 KiB
Django/Jinja
38 lines
1.2 KiB
Django/Jinja
#!/bin/bash
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# Online recovery 2nd stage script
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#
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MASTER_DATA_BASE_DIR={{ psql_data_dir }}
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MASTER_DATA=${1}
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RECOVERY_TARGET=${2}
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RECOVERY_DATA_BASE_DIR={{ psql_data_dir }}
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RECOVERY_DATA=${3}
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port={{ psql_db_port }} # PostgreSQL port number
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archive_dir={{ psql_wal_archiving_log_dir }}
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logger "pgpool_recovery_2: MASTER_DATA=$MASTER_DATA"
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logger "pgpool_recovery_2: RECOVERY_DATA=$RECOVERY_DATA"
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logger "pgpool_recovery_2: archive_dir=$archive_dir"
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# Force to flush current value of sequences to xlog
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psql -p $port -t -c 'SELECT datname FROM pg_database WHERE NOT datistemplate AND datallowconn' template1|
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while read i
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do
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if [ "$i" != "" ];then
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psql -p $port -c "SELECT setval(oid, nextval(oid)) FROM pg_class WHERE relkind = 'S'" $i
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fi
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done
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# Flush all transactions to disk. Since pgpool stopped all connections,
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# there cannot be any data that does not reside on disk until the
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# to-be-recovered host is back on line.
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psql -p $port -c "SELECT pgpool_switch_xlog('$archive_dir')" template1
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# Copy over all archive logs at once.
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rsync -avx --delete $archive_dir/ \
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$RECOVERY_TARGET:$archive_dir/
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# Delete the flag file to disable WAL archiving again.
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rm $archive_dir/backup_in_progress
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