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#!/bin/bash
. $(dirname $0)/../include.rc
. $(dirname $0)/../volume.rc
cleanup;
TEST glusterd
TEST pidof glusterd
## Create a volume with one brick
TEST $CLI volume create $V0 $H0:$B0/${V0}1;
EXPECT "$V0" volinfo_field $V0 'Volume Name';
EXPECT 'Created' volinfo_field $V0 'Status';
EXPECT '1' brick_count $V0
## Turn off performance translators
## This is required for testing readv calls
TEST $CLI volume set $V0 performance.io-cache off
EXPECT 'off' volinfo_field $V0 'performance.io-cache'
TEST $CLI volume set $V0 performance.quick-read off
EXPECT 'off' volinfo_field $V0 'performance.quick-read'
TEST $CLI volume set $V0 performance.strict-write-ordering on
EXPECT 'on' volinfo_field $V0 'performance.strict-write-ordering'
## Turn on cdc xlator by setting network.compression to on
TEST $CLI volume set $V0 network.compression on
EXPECT 'on' volinfo_field $V0 'network.compression'
## Make sure that user cannot change network.compression.mode
## This would break the cdc xlator if allowed!
TEST ! $CLI volume set $V0 network.compression.mode client
## Turn on network.compression.debug option
## This will dump compressed data onto disk as gzip file
## This is used to check if compression actually happened
TEST $CLI volume set $V0 network.compression.debug on
EXPECT 'on' volinfo_field $V0 'network.compression.debug'
## Start the volume
TEST $CLI volume start $V0;
EXPECT 'Started' volinfo_field $V0 'Status';
sleep 2
## Mount FUSE with caching disabled
TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s $H0 --volfile-id $V0 $M0;
####################
## Testing writev ##
####################
## Create a 1K file locally and find the md5sum
TEST dd if=/dev/zero of=/tmp/cdc-orig count=1 bs=1k 2>/dev/null
checksum[original-file]=`md5sum /tmp/cdc-orig | cut -d' ' -f1`
## Copy the file to mountpoint and find its md5sum on brick
TEST dd if=/tmp/cdc-orig of=$M0/cdc-server count=1 bs=1k 2>/dev/null
checksum[brick-file]=`md5sum $B0/${V0}1/cdc-server | cut -d' ' -f1`
## Uncompress the gzip dump file and find its md5sum
EXPECT '/tmp/cdcdump.gz: application/x-gzip; charset=binary' file -i /tmp/cdcdump.gz
TEST gunzip -f /tmp/cdcdump.gz
checksum[dump-file-writev]=`md5sum /tmp/cdcdump | cut -d' ' -f1`
## Check if all 3 checksums are same
TEST test ${checksum[original-file]} = ${checksum[brick-file]}
TEST test ${checksum[brick-file]} = ${checksum[dump-file-writev]}
## Cleanup files
TEST rm -f /tmp/cdcdump.gz
###################
## Testing readv ##
###################
## Copy file from mount point to client and find checksum
TEST dd if=$M0/cdc-server of=/tmp/cdc-client count=1 bs=1k 2>/dev/null
checksum[client-file]=`md5sum /tmp/cdc-client | cut -d' ' -f1`
## Uncompress the gzip dump file and find its md5sum
EXPECT '/tmp/cdcdump.gz: application/x-gzip; charset=binary' file -i /tmp/cdcdump.gz
TEST gunzip -f /tmp/cdcdump.gz
checksum[dump-file-readv]=`md5sum /tmp/cdcdump | cut -d' ' -f1`
## Check if all 3 checksums are same
TEST test ${checksum[brick-file]} = ${checksum[client-file]}
TEST test ${checksum[client-file]} = ${checksum[dump-file-readv]}
## Cleanup files and unmount
TEST rm -f /tmp/cdc* $M0/cdc*
EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
## Stop the volume
TEST $CLI volume stop $V0;
EXPECT 'Stopped' volinfo_field $V0 'Status';
## Turn on network.compression.min-size and set it to 100 bytes
## Compression should not take place if file size
## is less than 100 bytes
TEST $CLI volume set $V0 network.compression.min-size 100
EXPECT '100' volinfo_field $V0 'network.compression.min-size'
## Start the volume
TEST $CLI volume start $V0;
EXPECT 'Started' volinfo_field $V0 'Status';
## Mount FUSE with caching disabled
TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s $H0 --volfile-id $V0 $M0;
## Create a file of size 99 bytes on mountpoint
## This is should not be compressed
TEST dd if=/dev/zero of=$M0/cdc-small count=1 bs=99 2>/dev/null
TEST ! test -e /tmp/cdcdump.gz
## Cleanup files and unmount
TEST rm -f /tmp/cdc* $M0/cdc*
EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
## Reset the network.compression options
TEST $CLI volume reset $V0 network.compression.debug
TEST $CLI volume reset $V0 network.compression.min-size
TEST $CLI volume reset $V0 network.compression
## Stop the volume
TEST $CLI volume stop $V0;
EXPECT 'Stopped' volinfo_field $V0 'Status';
## Delete the volume
TEST $CLI volume delete $V0;
TEST ! $CLI volume info $V0;
cleanup;
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