1 files changed, 170 insertions, 0 deletions
diff --git a/qa/workunits/rados/test_cache_pool.sh b/qa/workunits/rados/test_cache_pool.sh
new file mode 100755
index 000000000..f4187a98a
--- /dev/null
+++ b/qa/workunits/rados/test_cache_pool.sh
@@ -0,0 +1,170 @@
+#!/usr/bin/env bash
+
+set -ex
+
+expect_false()
+{
+	set -x
+	if "$@"; then return 1; else return 0; fi
+}
+
+# create pools, set up tier relationship
+ceph osd pool create base_pool 2
+ceph osd pool application enable base_pool rados
+ceph osd pool create partial_wrong 2
+ceph osd pool create wrong_cache 2
+ceph osd tier add base_pool partial_wrong
+ceph osd tier add base_pool wrong_cache
+
+# populate base_pool with some data
+echo "foo" > foo.txt
+echo "bar" > bar.txt
+echo "baz" > baz.txt
+rados -p base_pool put fooobj foo.txt
+rados -p base_pool put barobj bar.txt
+# fill in wrong_cache backwards so we can tell we read from it
+rados -p wrong_cache put fooobj bar.txt
+rados -p wrong_cache put barobj foo.txt
+# partial_wrong gets barobj backwards so we can check promote and non-promote
+rados -p partial_wrong put barobj foo.txt
+
+# get the objects back before setting a caching pool
+rados -p base_pool get fooobj tmp.txt
+diff -q tmp.txt foo.txt
+rados -p base_pool get barobj tmp.txt
+diff -q tmp.txt bar.txt
+
+# set up redirect and make sure we get backwards results
+ceph osd tier set-overlay base_pool wrong_cache
+ceph osd tier cache-mode wrong_cache writeback
+rados -p base_pool get fooobj tmp.txt
+diff -q tmp.txt bar.txt
+rados -p base_pool get barobj tmp.txt
+diff -q tmp.txt foo.txt
+
+# switch cache pools and make sure we're doing promote
+ceph osd tier remove-overlay base_pool
+ceph osd tier set-overlay base_pool partial_wrong
+ceph osd tier cache-mode partial_wrong writeback
+rados -p base_pool get fooobj tmp.txt
+diff -q tmp.txt foo.txt # hurray, it promoted!
+rados -p base_pool get barobj tmp.txt
+diff -q tmp.txt foo.txt # yep, we read partial_wrong's local object!
+
+# try a nonexistent object and make sure we get an error
+expect_false rados -p base_pool get bazobj tmp.txt
+
+# drop the cache entirely and make sure contents are still the same
+ceph osd tier remove-overlay base_pool
+rados -p base_pool get fooobj tmp.txt
+diff -q tmp.txt foo.txt
+rados -p base_pool get barobj tmp.txt
+diff -q tmp.txt bar.txt
+
+# create an empty cache pool and make sure it has objects after reading
+ceph osd pool create empty_cache 2
+
+touch empty.txt
+rados -p empty_cache ls > tmp.txt
+diff -q tmp.txt empty.txt
+
+ceph osd tier add base_pool empty_cache
+ceph osd tier set-overlay base_pool empty_cache
+ceph osd tier cache-mode empty_cache writeback
+rados -p base_pool get fooobj tmp.txt
+rados -p base_pool get barobj tmp.txt
+expect_false rados -p base_pool get bazobj tmp.txt
+
+rados -p empty_cache ls > tmp.txt
+expect_false diff -q tmp.txt empty.txt
+
+# cleanup
+ceph osd tier remove-overlay base_pool
+ceph osd tier remove base_pool wrong_cache
+ceph osd tier remove base_pool partial_wrong
+ceph osd tier remove base_pool empty_cache
+ceph osd pool delete base_pool base_pool --yes-i-really-really-mean-it
+ceph osd pool delete empty_cache empty_cache --yes-i-really-really-mean-it
+ceph osd pool delete wrong_cache wrong_cache --yes-i-really-really-mean-it
+ceph osd pool delete partial_wrong partial_wrong --yes-i-really-really-mean-it
+
+## set of base, cache
+ceph osd pool create base 8
+ceph osd pool application enable base rados
+ceph osd pool create cache 8
+
+ceph osd tier add base cache
+ceph osd tier cache-mode cache writeback
+ceph osd tier set-overlay base cache
+
+# cache-flush, cache-evict
+rados -p base put foo /etc/passwd
+expect_false rados -p base cache-evict foo
+expect_false rados -p base cache-flush foo
+expect_false rados -p cache cache-evict foo
+rados -p cache cache-flush foo
+rados -p cache cache-evict foo
+rados -p cache ls - | wc -l | grep 0
+
+# cache-try-flush, cache-evict
+rados -p base put foo /etc/passwd
+expect_false rados -p base cache-evict foo
+expect_false rados -p base cache-flush foo
+expect_false rados -p cache cache-evict foo
+rados -p cache cache-try-flush foo
+rados -p cache cache-evict foo
+rados -p cache ls - | wc -l | grep 0
+
+# cache-flush-evict-all
+rados -p base put bar /etc/passwd
+rados -p cache ls - | wc -l | grep 1
+expect_false rados -p base cache-flush-evict-all
+rados -p cache cache-flush-evict-all
+rados -p cache ls - | wc -l | grep 0
+
+# cache-try-flush-evict-all
+rados -p base put bar /etc/passwd
+rados -p cache ls - | wc -l | grep 1
+expect_false rados -p base cache-flush-evict-all
+rados -p cache cache-try-flush-evict-all
+rados -p cache ls - | wc -l | grep 0
+
+# cache flush/evit when clone objects exist
+rados -p base put testclone /etc/passwd
+rados -p cache ls - | wc -l | grep 1
+ceph osd pool mksnap base snap
+rados -p base put testclone /etc/hosts
+rados -p cache cache-flush-evict-all
+rados -p cache ls - | wc -l | grep 0
+
+ceph osd tier cache-mode cache proxy --yes-i-really-mean-it
+rados -p base -s snap get testclone testclone.txt
+diff -q testclone.txt /etc/passwd
+rados -p base get testclone testclone.txt
+diff -q testclone.txt /etc/hosts
+
+# test --with-clones option
+ceph osd tier cache-mode cache writeback
+rados -p base put testclone2 /etc/passwd
+rados -p cache ls - | wc -l | grep 1
+ceph osd pool mksnap base snap1
+rados -p base put testclone2 /etc/hosts
+expect_false rados -p cache cache-flush testclone2
+rados -p cache cache-flush testclone2 --with-clones
+expect_false rados -p cache cache-evict testclone2
+rados -p cache cache-evict testclone2 --with-clones
+rados -p cache ls - | wc -l | grep 0
+
+rados -p base -s snap1 get testclone2 testclone2.txt
+diff -q testclone2.txt /etc/passwd
+rados -p base get testclone2 testclone2.txt
+diff -q testclone2.txt /etc/hosts
+
+# cleanup
+ceph osd tier remove-overlay base
+ceph osd tier remove base cache
+
+ceph osd pool delete cache cache --yes-i-really-really-mean-it
+ceph osd pool delete base base --yes-i-really-really-mean-it
+
+echo OK