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-rwxr-xr-xqa/workunits/rbd/read-flags.sh61
1 files changed, 61 insertions, 0 deletions
diff --git a/qa/workunits/rbd/read-flags.sh b/qa/workunits/rbd/read-flags.sh
new file mode 100755
index 00000000..7d787ce6
--- /dev/null
+++ b/qa/workunits/rbd/read-flags.sh
@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+set -ex
+
+# create a snapshot, then export it and check that setting read flags works
+# by looking at --debug-ms output
+
+function clean_up {
+ rm -f test.log || true
+ rbd snap remove test@snap || true
+ rbd rm test || true
+}
+
+function test_read_flags {
+ local IMAGE=$1
+ local SET_BALANCED=$2
+ local SET_LOCALIZED=$3
+ local EXPECT_BALANCED=$4
+ local EXPECT_LOCALIZED=$5
+
+ local EXTRA_ARGS="--log-file test.log --debug-ms 1 --no-log-to-stderr"
+ if [ "$SET_BALANCED" = 'y' ]; then
+ EXTRA_ARGS="$EXTRA_ARGS --rbd-balance-snap-reads"
+ elif [ "$SET_LOCALIZED" = 'y' ]; then
+ EXTRA_ARGS="$EXTRA_ARGS --rbd-localize-snap-reads"
+ fi
+
+ rbd export $IMAGE - $EXTRA_ARGS > /dev/null
+ if [ "$EXPECT_BALANCED" = 'y' ]; then
+ grep -q balance_reads test.log
+ else
+ grep -L balance_reads test.log | grep -q test.log
+ fi
+ if [ "$EXPECT_LOCALIZED" = 'y' ]; then
+ grep -q localize_reads test.log
+ else
+ grep -L localize_reads test.log | grep -q test.log
+ fi
+ rm -f test.log
+
+}
+
+clean_up
+
+trap clean_up INT TERM EXIT
+
+rbd create --image-feature layering -s 10 test
+rbd snap create test@snap
+
+# export from non snapshot with or without settings should not have flags
+test_read_flags test n n n n
+test_read_flags test y y n n
+
+# export from snapshot should have read flags in log if they are set
+test_read_flags test@snap n n n n
+test_read_flags test@snap y n y n
+test_read_flags test@snap n y n y
+
+# balanced_reads happens to take priority over localize_reads
+test_read_flags test@snap y y y n
+
+echo OK