qa: krbd namespaces test

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

qa/suites/krbd/rbd-nomount/tasks/krbd_namespaces.yaml

@@ -0,0 +1,5 @@
+tasks:
+- workunit:
+    clients:
+      all:
+        - rbd/krbd_namespaces.sh

qa/workunits/rbd/krbd_namespaces.sh

@@ -0,0 +1,116 @@
+#!/usr/bin/env bash
+
+set -ex
+
+function get_block_name_prefix() {
+    rbd info --format=json $1 | python -c "import sys, json; print json.load(sys.stdin)['block_name_prefix']"
+}
+
+function do_pwrite() {
+    local spec=$1
+    local old_byte=$2
+    local new_byte=$3
+
+    local dev
+    dev=$(sudo rbd map $spec)
+    cmp <(dd if=/dev/zero bs=1M count=10 | tr \\000 \\$old_byte) $dev
+    xfs_io -c "pwrite -b 1M -S $new_byte 0 10M" $dev
+    sudo rbd unmap $dev
+}
+
+function do_cmp() {
+    local spec=$1
+    local byte=$2
+
+    local dev
+    dev=$(sudo rbd map $spec)
+    cmp <(dd if=/dev/zero bs=1M count=10 | tr \\000 \\$byte) $dev
+    sudo rbd unmap $dev
+}
+
+function gen_child_specs() {
+    local i=$1
+
+    local child_specs="foo/img$i-clone1 foo/img$i-clone2 foo/ns1/img$i-clone1 foo/ns1/img$i-clone2"
+    if [[ $i -ge 3 ]]; then
+        child_specs="$child_specs foo/ns2/img$i-clone1 foo/ns2/img$i-clone2"
+    fi
+    echo $child_specs
+}
+
+ceph osd pool create foo 12
+rbd pool init foo
+ceph osd pool create bar 12
+rbd pool init bar
+
+ceph osd set-require-min-compat-client nautilus
+rbd namespace create foo/ns1
+rbd namespace create foo/ns2
+
+SPECS=(foo/img1 foo/img2 foo/ns1/img3 foo/ns1/img4)
+
+COUNT=1
+for spec in "${SPECS[@]}"; do
+    if [[ $spec =~ img1|img3 ]]; then
+        rbd create --size 10 $spec
+    else
+        rbd create --size 10 --data-pool bar $spec
+    fi
+    do_pwrite $spec 000 $(printf %03d $COUNT)
+    rbd snap create $spec@snap
+    COUNT=$((COUNT + 1))
+done
+for i in {1..4}; do
+    for child_spec in $(gen_child_specs $i); do
+        if [[ $child_spec =~ clone1 ]]; then
+            rbd clone ${SPECS[i - 1]}@snap $child_spec
+        else
+            rbd clone --data-pool bar ${SPECS[i - 1]}@snap $child_spec
+        fi
+        do_pwrite $child_spec $(printf %03d $i) $(printf %03d $COUNT)
+        COUNT=$((COUNT + 1))
+    done
+done
+
+[[ $(rados -p foo ls | grep -c $(get_block_name_prefix foo/img1)) -eq 3 ]]
+[[ $(rados -p bar ls | grep -c $(get_block_name_prefix foo/img2)) -eq 3 ]]
+[[ $(rados -p foo -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img3)) -eq 3 ]]
+[[ $(rados -p bar -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img4)) -eq 3 ]]
+
+[[ $(rados -p foo ls | grep -c $(get_block_name_prefix foo/img1-clone1)) -eq 3 ]]
+[[ $(rados -p bar ls | grep -c $(get_block_name_prefix foo/img1-clone2)) -eq 3 ]]
+[[ $(rados -p foo -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img1-clone1)) -eq 3 ]]
+[[ $(rados -p bar -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img1-clone2)) -eq 3 ]]
+
+[[ $(rados -p foo ls | grep -c $(get_block_name_prefix foo/img2-clone1)) -eq 3 ]]
+[[ $(rados -p bar ls | grep -c $(get_block_name_prefix foo/img2-clone2)) -eq 3 ]]
+[[ $(rados -p foo -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img2-clone1)) -eq 3 ]]
+[[ $(rados -p bar -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img2-clone2)) -eq 3 ]]
+
+[[ $(rados -p foo ls | grep -c $(get_block_name_prefix foo/img3-clone1)) -eq 3 ]]
+[[ $(rados -p bar ls | grep -c $(get_block_name_prefix foo/img3-clone2)) -eq 3 ]]
+[[ $(rados -p foo -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img3-clone1)) -eq 3 ]]
+[[ $(rados -p bar -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img3-clone2)) -eq 3 ]]
+[[ $(rados -p foo -N ns2 ls | grep -c $(get_block_name_prefix foo/ns2/img3-clone1)) -eq 3 ]]
+[[ $(rados -p bar -N ns2 ls | grep -c $(get_block_name_prefix foo/ns2/img3-clone2)) -eq 3 ]]
+
+[[ $(rados -p foo ls | grep -c $(get_block_name_prefix foo/img4-clone1)) -eq 3 ]]
+[[ $(rados -p bar ls | grep -c $(get_block_name_prefix foo/img4-clone2)) -eq 3 ]]
+[[ $(rados -p foo -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img4-clone1)) -eq 3 ]]
+[[ $(rados -p bar -N ns1 ls | grep -c $(get_block_name_prefix foo/ns1/img4-clone2)) -eq 3 ]]
+[[ $(rados -p foo -N ns2 ls | grep -c $(get_block_name_prefix foo/ns2/img4-clone1)) -eq 3 ]]
+[[ $(rados -p bar -N ns2 ls | grep -c $(get_block_name_prefix foo/ns2/img4-clone2)) -eq 3 ]]
+
+COUNT=1
+for spec in "${SPECS[@]}"; do
+    do_cmp $spec $(printf %03d $COUNT)
+    COUNT=$((COUNT + 1))
+done
+for i in {1..4}; do
+    for child_spec in $(gen_child_specs $i); do
+        do_cmp $child_spec $(printf %03d $COUNT)
+        COUNT=$((COUNT + 1))
+    done
+done
+
+echo OK