From 74e810c602a40d6c316f111cc1333c13bd5aec08 Mon Sep 17 00:00:00 2001
From: Pranith Kumar K <pkarampu@redhat.com>
Date: Tue, 10 Sep 2019 19:06:54 +0530
Subject: cluster/ec: Implement read-mask feature

fixes: #725
Change-Id: Iaaefe6f49c8193c476b987b92df6bab3e2f62601
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
---
 tests/basic/ec/ec-read-mask.t | 114 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 tests/basic/ec/ec-read-mask.t

(limited to 'tests/basic/ec')

diff --git a/tests/basic/ec/ec-read-mask.t b/tests/basic/ec/ec-read-mask.t
new file mode 100644
index 00000000000..ddb556f2973
--- /dev/null
+++ b/tests/basic/ec/ec-read-mask.t
@@ -0,0 +1,114 @@
+ #!/bin/bash
+
+. $(dirname $0)/../../include.rc
+. $(dirname $0)/../../volume.rc
+. $(dirname $0)/../../ec.rc
+
+cleanup
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume create $V0 disperse 6 redundancy 2 $H0:$B0/${V0}{0..5}
+TEST $CLI volume start $V0
+
+#Empty read-mask should fail
+TEST ! $GFS --xlator-option=*.ec-read-mask="" -s $H0 --volfile-id $V0 $M0
+
+#Less than 4 number of bricks should fail
+TEST ! $GFS --xlator-option="*.ec-read-mask=0" -s $H0 --volfile-id $V0 $M0
+TEST ! $GFS --xlator-option="*.ec-read-mask=0:1" -s $H0 --volfile-id $V0 $M0
+TEST ! $GFS --xlator-option=*.ec-read-mask="0:1:2" -s $H0 --volfile-id $V0 $M0
+
+#ids greater than 5 should fail
+TEST ! $GFS --xlator-option="*.ec-read-mask=0:1:2:6" -s $H0 --volfile-id $V0 $M0
+
+#ids less than 0 should fail
+TEST ! $GFS --xlator-option="*.ec-read-mask=0:-1:2:5" -s $H0 --volfile-id $V0 $M0
+
+#read-mask with non-alphabet or comma should fail
+TEST ! $GFS --xlator-option="*.ec-read-mask=0:1:2:5:abc" -s $H0 --volfile-id $V0 $M0
+TEST ! $GFS --xlator-option="*.ec-read-mask=0:1:2:5a" -s $H0 --volfile-id $V0 $M0
+
+#mount with at least 4 read-mask-ids and all of them valid should pass
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5:4:3" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^111111$" ec_option_value $V0 $M0 0 read-mask
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^100111$" ec_option_value $V0 $M0 0 read-mask
+
+TEST dd if=/dev/urandom of=$M0/a bs=1M count=1
+md5=$(md5sum $M0/a | awk '{print $1}')
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+
+#Read on the file should fail if any of the read-mask is down when number of
+#ids is data-count
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^100111$" ec_option_value $V0 $M0 0 read-mask
+TEST kill_brick $V0 $H0 $B0/${V0}0
+TEST ! dd if=$M0/a of=/dev/null
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+TEST $CLI volume start $V0 force
+
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^100111$" ec_option_value $V0 $M0 0 read-mask
+TEST kill_brick $V0 $H0 $B0/${V0}1
+TEST ! dd if=$M0/a of=/dev/null
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+TEST $CLI volume start $V0 force
+
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^100111$" ec_option_value $V0 $M0 0 read-mask
+TEST kill_brick $V0 $H0 $B0/${V0}2
+TEST ! dd if=$M0/a of=/dev/null
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+TEST $CLI volume start $V0 force
+
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^100111$" ec_option_value $V0 $M0 0 read-mask
+TEST kill_brick $V0 $H0 $B0/${V0}5
+TEST ! dd if=$M0/a of=/dev/null
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+TEST $CLI volume start $V0 force
+
+#Read on file should succeed when non-read-mask bricks are down
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^100111$" ec_option_value $V0 $M0 0 read-mask
+TEST kill_brick $V0 $H0 $B0/${V0}3
+EXPECT "^$md5$" echo $(dd if=$M0/a | md5sum | awk '{print $1}')
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+TEST $CLI volume start $V0 force
+
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^100111$" ec_option_value $V0 $M0 0 read-mask
+TEST kill_brick $V0 $H0 $B0/${V0}4
+EXPECT "^$md5$" echo $(dd if=$M0/a | md5sum | awk '{print $1}')
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+TEST $CLI volume start $V0 force
+
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^100111$" ec_option_value $V0 $M0 0 read-mask
+TEST kill_brick $V0 $H0 $B0/${V0}3
+TEST kill_brick $V0 $H0 $B0/${V0}4
+EXPECT "^$md5$" echo $(dd if=$M0/a | md5sum | awk '{print $1}')
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+TEST $CLI volume start $V0 force
+
+#Deliberately corrupt chunks 3: 4 and check that reads still give correct data
+TEST dd if=/dev/zero of=$B0/${V0}3/a bs=256k count=1
+TEST dd if=/dev/zero of=$B0/${V0}4/a bs=256k count=1
+TEST $GFS --xlator-option="*.ec-read-mask=0:1:2:5" -s $H0 --volfile-id $V0 $M0
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "6" ec_child_up_count $V0 0
+EXPECT "^100111$" ec_option_value $V0 $M0 0 read-mask
+EXPECT "^$md5$" echo $(dd if=$M0/a | md5sum | awk '{print $1}')
+EXPECT_WITHIN $UMOUNT_TIMEOUT "Y" force_umount $M0
+
+cleanup;
-- 
cgit