mon: test osd pool create pg_pool_t::stripe_width behavior

* Check that the default from the configuration options is found in the
  output of osd dump
* Check that specifying an undersized osd_pool_erasure_code_stripe_width
  value is taken into account and padded.

Signed-off-by: Loic Dachary <loic@dachary.org>

diff --git a/src/test/mon/osd-pool-create.sh b/src/test/mon/osd-pool-create.sh
index e37c3f76baacdf3007270ba188194ce8bbd87d49..7d8cceb18c000e0d8edb1e9e5b270d95d32301f8 100755 (executable)
--- a/src/test/mon/osd-pool-create.sh
+++ b/src/test/mon/osd-pool-create.sh
@@ -129,8 +129,37 @@ crush_ruleset=erasure_ruleset
 ./ceph --format json osd dump | grep "$expected"
 kill_mon
 
+# the default stripe width is used to initialize the pool
 run_mon
+stripe_width=$(./ceph-conf --show-config-value osd_pool_erasure_code_stripe_width)
+crush_ruleset=erasure_ruleset
+./ceph osd crush rule create-erasure $crush_ruleset
+./ceph osd pool create pool_erasure 12 12 erasure crush_ruleset=$crush_ruleset
+./ceph --format json osd dump | tee $DIR/osd.json
+grep '"stripe_width":'$stripe_width $DIR/osd.json > /dev/null
+kill_mon
+
+# setting osd_pool_erasure_code_stripe_width modifies the stripe_width
+# and it is padded as required by the default plugin
+properties+=" erasure-code-plugin=jerasure"
+properties+=" erasure-code-technique=reed_sol_van"
+k=4
+properties+=" erasure-code-k=$k"
+properties+=" erasure-code-m=2"
+expected_chunk_size=2048
+actual_stripe_width=$(($expected_chunk_size * $k))
+desired_stripe_width=$(($actual_stripe_width - 1))
+run_mon \
+    --osd_pool_erasure_code_stripe_width $desired_stripe_width \
+    --osd_pool_default_erasure_code_properties "$properties"
+crush_ruleset=erasure_ruleset
+./ceph osd crush rule create-erasure $crush_ruleset
+./ceph osd pool create pool_erasure 12 12 erasure crush_ruleset=$crush_ruleset
+./ceph osd dump | tee $DIR/osd.json
+grep "stripe_width $actual_stripe_width" $DIR/osd.json > /dev/null
+kill_mon
 
+run_mon
 # creating an erasure code pool sets defaults properties
 ./ceph --format json osd dump > $DIR/osd.json
 ! grep "erasure-code-plugin" $DIR/osd.json || exit 1