glusterfs

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#!/bin/bash
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#
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# This test does not use 'showmount' from the nfs-utils package, it would
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# require setting up a portmapper (either rpcbind or portmap, depending on the
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# Linux distribution used for testing). The persistancy of the rmtab should not
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# affect the current showmount outputs, so existing regression tests should be
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# sufficient.
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#
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#G_TESTDEF_TEST_STATUS_CENTOS6=NFS_TEST
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# count the lines of a file, return 0 if the file does not exist
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function count_lines()
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{
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        if [ -e "$1" ]
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        then
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                wc -l < $1
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        else
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                echo 0
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        fi
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}
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. $(dirname $0)/../../include.rc
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. $(dirname $0)/../../nfs.rc
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. $(dirname $0)/../../volume.rc
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cleanup
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TEST glusterd
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TEST pidof glusterd
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TEST $CLI volume create $V0 $H0:$B0/brick1
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EXPECT 'Created' volinfo_field $V0 'Status'
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TEST $CLI volume set $V0 nfs.disable false
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TEST $CLI volume start $V0;
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EXPECT 'Started' volinfo_field $V0 'Status'
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# glusterfs/nfs needs some time to start up in the background
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EXPECT_WITHIN $NFS_EXPORT_TIMEOUT 1 is_nfs_export_available
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# before mounting the rmtab should be empty
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EXPECT '0' count_lines $GLUSTERD_WORKDIR/nfs/rmtab
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TEST mount_nfs $H0:/$V0 $N0 nolock
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# the output would looks similar to:
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#
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#   hostname-0=172.31.122.104
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#   mountpoint-0=/ufo
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#
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EXPECT '2' count_lines $GLUSTERD_WORKDIR/nfs/rmtab
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# duplicate mounts should not be recorded (client could have crashed)
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TEST mount_nfs $H0:/$V0 $N1 nolock
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EXPECT '2' count_lines $GLUSTERD_WORKDIR/nfs/rmtab
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# removing a mount should (even if there are two) should remove the entry
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EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $N1
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EXPECT '0' count_lines $GLUSTERD_WORKDIR/nfs/rmtab
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# unmounting the other mount should work flawlessly
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EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $N0
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EXPECT '0' count_lines $GLUSTERD_WORKDIR/nfs/rmtab
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TEST glusterfs --entry-timeout=0 --attribute-timeout=0 --volfile-server=$H0 --volfile-id=$V0 $M0
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# we'll create a fake rmtab here, similar to how an other storage server would do
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# using an invalid IP address to prevent (unlikely) collisions on the test-machine
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cat << EOF > $M0/rmtab
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hostname-0=127.0.0.256
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mountpoint-0=/ufo
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EOF
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EXPECT '2' count_lines $M0/rmtab
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# reconfigure merges the rmtab with the one on the volume
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TEST gluster volume set $V0 nfs.mount-rmtab $M0/rmtab
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# glusterfs/nfs needs some time to restart
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EXPECT_WITHIN $NFS_EXPORT_TIMEOUT 1 is_nfs_export_available
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# Apparently "is_nfs_export_available" might return even if the export is
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# not, in fact, available.  (eyeroll)  Give it a bit of extra time.
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#
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# TBD: fix the broken shell function instead of working around it here
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sleep 5
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# a new mount should be added to the rmtab, not overwrite exiting ones
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TEST mount_nfs $H0:/$V0 $N0 nolock
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EXPECT_WITHIN $PROCESS_UP_TIMEOUT '4' count_lines $M0/rmtab
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EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $N0
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EXPECT '2' count_lines $M0/rmtab
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# TODO: nfs/reconfigure() is never called and is therefor disabled. When the
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# NFS-server supports reloading and does not get restarted anymore, we should
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# add a test that includes the merging of entries in the old rmtab with the new
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# rmtab.
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cleanup
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