diff options
Diffstat (limited to 'scripts/wsrep_sst_rsync.sh')
| -rw-r--r-- | scripts/wsrep_sst_rsync.sh | 131 |
1 files changed, 71 insertions, 60 deletions
diff --git a/scripts/wsrep_sst_rsync.sh b/scripts/wsrep_sst_rsync.sh index 27d4e875674..1775281e634 100644 --- a/scripts/wsrep_sst_rsync.sh +++ b/scripts/wsrep_sst_rsync.sh @@ -34,6 +34,12 @@ wsrep_check_programs rsync cleanup_joiner() { + # Since this is invoked just after exit NNN + local estatus=$? + if [ $estatus -ne 0 ]; then + wsrep_log_error "Cleanup after exit with status: $estatus" + fi + local failure=0 [ "$(pwd)" != "$OLD_PWD" ] && cd "$OLD_PWD" @@ -72,7 +78,9 @@ cleanup_joiner() wsrep_cleanup_progress_file fi - [ -f "$SST_PID" ] && rm -f "$SST_PID" + [ -f "$SST_PID" ] && rm -f "$SST_PID" || : + + exit $estatus } check_pid_and_port() @@ -310,6 +318,7 @@ if [ -n "$SSLMODE" -a "$SSLMODE" != 'DISABLED' ]; then fi readonly SECRET_TAG='secret' +readonly BYPASS_TAG='secret /bypass' SST_PID="$WSREP_SST_OPT_DATA/wsrep_sst.pid" @@ -325,6 +334,7 @@ while check_pid "$SST_PID" 0; do sleep 1 done +trap simple_cleanup EXIT echo $$ > "$SST_PID" # give some time for stunnel from the previous SST to complete: @@ -358,7 +368,7 @@ while check_pid "$RSYNC_PID" 1 "$RSYNC_CONF"; do sleep 1 done -[ -f "$MAGIC_FILE" ] && rm -f "$MAGIC_FILE" +[ -f "$MAGIC_FILE" ] && rm -f "$MAGIC_FILE" [ -f "$BINLOG_TAR_FILE" ] && rm -f "$BINLOG_TAR_FILE" if [ "$WSREP_SST_OPT_ROLE" = 'donor' ]; then @@ -390,7 +400,7 @@ EOF ERROR="$WSREP_SST_OPT_DATA/sst_error" [ -f "$FLUSHED" ] && rm -f "$FLUSHED" - [ -f "$ERROR" ] && rm -f "$ERROR" + [ -f "$ERROR" ] && rm -f "$ERROR" echo 'flush tables' @@ -400,7 +410,7 @@ EOF # (c) ERROR file, in case flush tables operation failed. while [ ! -r "$FLUSHED" ] && \ - ! grep -q -F ':' '--' "$FLUSHED" >/dev/null 2>&1 + ! grep -q -F ':' -- "$FLUSHED" 2>/dev/null do # Check whether ERROR file exists. if [ -f "$ERROR" ]; then @@ -440,10 +450,10 @@ EOF tar_type=0 if tar --help | grep -qw -F -- '--transform'; then tar_type=1 - elif tar --version | grep -q -E '^bsdtar\>'; then + elif tar --version | grep -qw -E '^bsdtar'; then tar_type=2 fi - if [ $tar_type -ne 2 ]; then + if [ $tar_type -eq 2 ]; then if [ -n "$BASH_VERSION" ]; then printf '%s' "$binlog_files" >&2 else @@ -508,9 +518,8 @@ EOF fi # Use deltaxfer only for WAN: - inv=$(basename "$0") WHOLE_FILE_OPT="" - if [ "${inv%wsrep_sst_rsync_wan*}" = "$inv" ]; then + if [ "${WSREP_METHOD%_wan}" = "$WSREP_METHOD" ]; then WHOLE_FILE_OPT='--whole-file' fi @@ -620,7 +629,6 @@ FILTER="-f '- /lost+found' wsrep_log_info "Transfer of data done" - else # BYPASS wsrep_log_info "Bypassing state dump." @@ -641,6 +649,10 @@ FILTER="-f '- /lost+found' echo "$SECRET_TAG $WSREP_SST_OPT_REMOTE_PSWD" >> "$MAGIC_FILE" fi + if [ $WSREP_SST_OPT_BYPASS -ne 0 ]; then + echo "$BYPASS_TAG" >> "$MAGIC_FILE" + fi + rsync ${STUNNEL:+--rsh="$STUNNEL"} \ --archive --quiet --checksum "$MAGIC_FILE" \ "rsync://$WSREP_SST_OPT_ADDR" >&2 || RC=$? @@ -654,15 +666,11 @@ FILTER="-f '- /lost+found' if [ -n "$STUNNEL" ]; then [ -f "$STUNNEL_CONF" ] && rm -f "$STUNNEL_CONF" - [ -f "$STUNNEL_PID" ] && rm -f "$STUNNEL_PID" + [ -f "$STUNNEL_PID" ] && rm -f "$STUNNEL_PID" fi - [ -f "$SST_PID" ] && rm -f "$SST_PID" - - wsrep_log_info "rsync SST/IST completed on donor" +else # joiner -elif [ "$WSREP_SST_OPT_ROLE" = 'joiner' ] -then check_sockets_utils ADDR="$WSREP_SST_OPT_HOST" @@ -670,8 +678,6 @@ then RSYNC_ADDR="$WSREP_SST_OPT_HOST" RSYNC_ADDR_UNESCAPED="$WSREP_SST_OPT_HOST_UNESCAPED" - trap 'exit 32' HUP PIPE - trap 'exit 3' INT TERM ABRT trap cleanup_joiner EXIT touch "$SST_PROGRESS_FILE" @@ -820,8 +826,13 @@ EOF fi if [ -n "$MY_SECRET" ]; then + # Select the "secret" tag whose value does not start + # with a slash symbol. All new tags must to start with + # the space and the slash symbol after the word "secret" - + # to be removed by older versions of the SST scripts: + SECRET=$(grep -m1 -E "^$SECRET_TAG[[:space:]]+[^/]" \ + -- "$MAGIC_FILE" || :) # Check donor supplied secret: - SECRET=$(grep -m1 -E "^$SECRET_TAG[[:space:]]" -- "$MAGIC_FILE" || :) SECRET=$(trim_string "${SECRET#$SECRET_TAG}") if [ "$SECRET" != "$MY_SECRET" ]; then wsrep_log_error "Donor does not know my secret!" @@ -830,34 +841,45 @@ EOF fi fi - if [ -n "$WSREP_SST_OPT_BINLOG" ]; then - binlog_tar_present=0 - [ -f "$BINLOG_TAR_FILE" ] && binlog_tar_present=1 + if [ $WSREP_SST_OPT_BYPASS -eq 0 ]; then + if grep -m1 -qE "^$BYPASS_TAG([[space]]+.*)?\$" -- "$MAGIC_FILE"; then + readonly WSREP_SST_OPT_BYPASS=1 + readonly WSREP_TRANSFER_TYPE='IST' + fi + fi + + binlog_tar_present=0 + if [ -f "$BINLOG_TAR_FILE" ]; then + if [ $WSREP_SST_OPT_BYPASS -ne 0 ]; then + wsrep_log_warning "tar with binlogs transferred in the IST mode" + fi + binlog_tar_present=1 + fi + + if [ $WSREP_SST_OPT_BYPASS -eq 0 -a -n "$WSREP_SST_OPT_BINLOG" ]; then # If it is SST (not an IST) or tar with binlogs is present # among the transferred files, then we need to remove the # old binlogs: - if [ $WSREP_SST_OPT_BYPASS -eq 0 -o $binlog_tar_present -ne 0 ]; then - cd "$DATA" - # Clean up the old binlog files and index: - binlog_index="$WSREP_SST_OPT_BINLOG_INDEX" - if [ -f "$binlog_index" ]; then - while read bin_file || [ -n "$bin_file" ]; do - rm -f "$bin_file" || : - done < "$binlog_index" - rm -f "$binlog_index" - fi - binlog_cd=0 - # Change the directory to binlog base (if possible): - if [ -n "$binlog_dir" -a "$binlog_dir" != '.' -a \ - -d "$binlog_dir" ] - then - binlog_cd=1 - cd "$binlog_dir" - fi - # Clean up unindexed binlog files: - rm -f "$binlog_base".[0-9]* || : - [ $binlog_cd -ne 0 ] && cd "$DATA_DIR" + cd "$DATA" + # Clean up the old binlog files and index: + binlog_index="$WSREP_SST_OPT_BINLOG_INDEX" + if [ -f "$binlog_index" ]; then + while read bin_file || [ -n "$bin_file" ]; do + rm -f "$bin_file" || : + done < "$binlog_index" + rm -f "$binlog_index" + fi + binlog_cd=0 + # Change the directory to binlog base (if possible): + if [ -n "$binlog_dir" -a "$binlog_dir" != '.' -a \ + -d "$binlog_dir" ] + then + binlog_cd=1 + cd "$binlog_dir" fi + # Clean up unindexed binlog files: + rm -f "$binlog_base".[0-9]* || : + [ $binlog_cd -ne 0 ] && cd "$DATA_DIR" if [ $binlog_tar_present -ne 0 ]; then # Create a temporary file: tmpdir=$(parse_cnf '--mysqld|sst' 'tmpdir') @@ -881,7 +903,7 @@ EOF # Extracting binlog files: wsrep_log_info "Extracting binlog files:" RC=0 - if tar --version | grep -q -E '^bsdtar\>'; then + if tar --version | grep -qw -E '^bsdtar'; then tar -tf "$BINLOG_TAR_FILE" > "$tmpfile" && \ tar -xvf "$BINLOG_TAR_FILE" > /dev/null || RC=$? else @@ -889,8 +911,8 @@ EOF cat "$tmpfile" >&2 || RC=$? fi if [ $RC -ne 0 ]; then - rm -f "$tmpfile" wsrep_log_error "Error unpacking tar file with binlog files" + rm -f "$tmpfile" exit 32 fi # Rebuild binlog index: @@ -903,24 +925,13 @@ EOF fi fi - if [ -n "$MY_SECRET" ]; then - # remove secret from the magic file, and output - # the UUID:seqno & wsrep_gtid_domain_id: - grep -v -E "^$SECRET_TAG[[:space:]]" -- "$MAGIC_FILE" - else - # Output the UUID:seqno and wsrep_gtid_domain_id: - cat "$MAGIC_FILE" - fi - - wsrep_log_info "rsync SST/IST completed on joiner" - -# wsrep_cleanup_progress_file -# cleanup_joiner -else - wsrep_log_error "Unrecognized role: '$WSREP_SST_OPT_ROLE'" - exit 22 # EINVAL + # Remove special tags from the magic file, and from the output: + coords=$(grep -v -E "^$SECRET_TAG[[:space:]]" -- "$MAGIC_FILE") + wsrep_log_info "Galera co-ords from recovery: $coords" + echo "$coords" # Output : UUID:seqno wsrep_gtid_domain_id fi [ -f "$BINLOG_TAR_FILE" ] && rm -f "$BINLOG_TAR_FILE" +wsrep_log_info "$WSREP_METHOD $WSREP_TRANSFER_TYPE completed on $WSREP_SST_OPT_ROLE" exit 0 |