ceph osd crush rule create-simple foo default host
ceph osd crush rule create-simple bar default host
+# make sure we're at luminous+ before using crush device classes
+ceph osd require-osd-release luminous
+ceph osd crush class create ssd
+ceph osd crush class create hdd
+ceph osd crush set-device-class ssd osd.0
+ceph osd crush set-device-class hdd osd.1
+ceph osd crush rule create-replicated foo-ssd default host ssd
+ceph osd crush rule create-replicated foo-hdd default host hdd
+
+ceph osd erasure-code-profile set ec-foo-ssd crush-device-class=ssd m=2 k=2
+ceph osd pool create ec-foo 2 erasure ec-foo-ssd
+ceph osd pool rm ec-foo ec-foo --yes-i-really-really-mean-it
+
ceph osd crush rule ls | grep foo
ceph osd crush rule rm foo
ceph osd crush add $o3 123 root=default
ceph osd tree | grep osd.$o3 | grep 123
ceph osd crush reweight osd.$o3 113
+expect_false ceph osd crush reweight osd.$o3 123456
ceph osd tree | grep osd.$o3 | grep 113
ceph osd crush rm osd.$o3
ceph osd rm osd.$o3
ceph osd tree | grep osd.$o4 | grep 123
ceph osd tree | grep osd.$o5 | grep 123
ceph osd crush reweight-subtree foobaz 155
+expect_false ceph osd crush reweight-subtree foobaz 123456
ceph osd tree | grep osd.$o4 | grep 155
ceph osd tree | grep osd.$o5 | grep 155
ceph osd crush rm osd.$o4