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Diffstat (limited to 'scripts/wsrep_sst_rsync.sh')
-rw-r--r--scripts/wsrep_sst_rsync.sh136
1 files changed, 77 insertions, 59 deletions
diff --git a/scripts/wsrep_sst_rsync.sh b/scripts/wsrep_sst_rsync.sh
index 6afdfef0734..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
@@ -440,9 +450,16 @@ 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 [ $tar_type -eq 2 ]; then
+ if [ -n "$BASH_VERSION" ]; then
+ printf '%s' "$binlog_files" >&2
+ else
+ echo "$binlog_files" >&2
+ fi
+ fi
if [ $tar_type -ne 0 ]; then
# Preparing list of the binlog file names:
echo "$binlog_files" | {
@@ -501,9 +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}" = "$WSREP_METHOD" ]; then
WHOLE_FILE_OPT='--whole-file'
fi
@@ -613,7 +629,6 @@ FILTER="-f '- /lost+found'
wsrep_log_info "Transfer of data done"
-
else # BYPASS
wsrep_log_info "Bypassing state dump."
@@ -634,6 +649,10 @@ FILTER="-f '- /lost+found'
echo "$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=$?
@@ -647,15 +666,11 @@ FILTER="-f '- /lost+found'
if [ -n "$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"
+else # joiner
- wsrep_log_info "rsync SST/IST completed on donor"
-
-elif [ "$WSREP_SST_OPT_ROLE" = 'joiner' ]
-then
check_sockets_utils
ADDR="$WSREP_SST_OPT_HOST"
@@ -663,8 +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 "$SST_PROGRESS_FILE"
@@ -813,8 +826,13 @@ EOF
fi
if [ -n "$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" != "$MY_SECRET" ]; then
wsrep_log_error "Donor does not know my secret!"
@@ -823,34 +841,45 @@ EOF
fi
fi
- if [ -n "$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')
@@ -874,7 +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
@@ -882,8 +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 "$tmpfile"
exit 32
fi
# Rebuild binlog index:
@@ -896,24 +925,13 @@ EOF
fi
fi
- if [ -n "$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