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#!/bin/bash
set -e
set -x
export BIN="${BIN:-cephfs-journal-tool}"
export JOURNAL_FILE=/tmp/journal.bin
export JSON_OUTPUT=/tmp/json.tmp
export BINARY_OUTPUT=/tmp/binary.tmp
if [ -d $BINARY_OUTPUT ] ; then
rm -rf $BINARY_OUTPUT
fi
# Check that the import/export stuff really works as expected
# first because it's used as the reset method between
# following checks.
echo "Testing that export/import cycle preserves state"
HEADER_STATE=`$BIN header get`
EVENT_LIST=`$BIN event get list`
$BIN journal export $JOURNAL_FILE
$BIN journal import $JOURNAL_FILE
NEW_HEADER_STATE=`$BIN header get`
NEW_EVENT_LIST=`$BIN event get list`
if [ ! "$HEADER_STATE" = "$NEW_HEADER_STATE" ] ; then
echo "Import failed to preserve header state"
echo $HEADER_STATE
echo $NEW_HEADER_STATE
exit -1
fi
if [ ! "$EVENT_LIST" = "$NEW_EVENT_LIST" ] ; then
echo "Import failed to preserve event state"
echo $EVENT_LIST
echo $NEW_EVENT_LIST
exit -1
fi
echo "Testing 'journal' commands..."
# Simplest thing: print the vital statistics of the journal
$BIN journal inspect
$BIN header get
# Make a copy of the journal in its original state
$BIN journal export $JOURNAL_FILE
if [ ! -s $JOURNAL_FILE ] ; then
echo "Export to $JOURNAL_FILE failed"
exit -1
fi
# Can we execute a journal reset?
$BIN journal reset
$BIN journal inspect
$BIN header get
echo "Rolling back journal to original state..."
$BIN journal import $JOURNAL_FILE
echo "Testing 'header' commands..."
$BIN header get
$BIN header set write_pos 123
$BIN header set expire_pos 123
$BIN header set trimmed_pos 123
echo "Rolling back journal to original state..."
$BIN journal import $JOURNAL_FILE
echo "Testing 'event' commands..."
$BIN event get summary
$BIN event get --type=UPDATE --path=/ --inode=0 --frag=0x100 summary
$BIN event get json --path $JSON_OUTPUT
if [ ! -s $JSON_OUTPUT ] ; then
echo "Export to $JSON_OUTPUT failed"
exit -1
fi
$BIN event get binary --path $BINARY_OUTPUT
if [ ! -s $BINARY_OUTPUT ] ; then
echo "Export to $BINARY_OUTPUT failed"
exit -1
fi
$BIN event recover_dentries summary
$BIN event splice summary
# Tests finish.
# Metadata objects have been modified by the 'event recover_dentries' command.
# Journal is no long consistent with respect to metadata objects (especially inotable).
# To ensure mds successfully replays its journal, we need to do journal reset.
$BIN journal reset
cephfs-table-tool all reset session
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