From 7ccd2c0dcee175e4c5a03985f43e9259a7e4dbd4 Mon Sep 17 00:00:00 2001
From: Ilya Dryomov <idryomov@gmail.com>
Date: Mon, 7 Sep 2020 16:51:22 +0200
Subject: [PATCH] qa: add test for krbd symlinks created by udev

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 .../rbd-nomount/tasks/krbd_udev_symlinks.yaml |   5 +
 qa/workunits/rbd/krbd_udev_symlinks.sh        | 116 ++++++++++++++++++
 2 files changed, 121 insertions(+)
 create mode 100644 qa/suites/krbd/rbd-nomount/tasks/krbd_udev_symlinks.yaml
 create mode 100755 qa/workunits/rbd/krbd_udev_symlinks.sh

diff --git a/qa/suites/krbd/rbd-nomount/tasks/krbd_udev_symlinks.yaml b/qa/suites/krbd/rbd-nomount/tasks/krbd_udev_symlinks.yaml
new file mode 100644
index 0000000000000..ee79932f50dc5
--- /dev/null
+++ b/qa/suites/krbd/rbd-nomount/tasks/krbd_udev_symlinks.yaml
@@ -0,0 +1,5 @@
+tasks:
+- workunit:
+    clients:
+      all:
+        - rbd/krbd_udev_symlinks.sh
diff --git a/qa/workunits/rbd/krbd_udev_symlinks.sh b/qa/workunits/rbd/krbd_udev_symlinks.sh
new file mode 100755
index 0000000000000..271476527f573
--- /dev/null
+++ b/qa/workunits/rbd/krbd_udev_symlinks.sh
@@ -0,0 +1,116 @@
+#!/usr/bin/env bash
+
+set -ex
+
+SPECS=(
+rbd/img1
+rbd/img2
+rbd/img2@snap1
+rbd/img3
+rbd/img3@snap1
+rbd/img3@snap2
+rbd/ns1/img1
+rbd/ns1/img2
+rbd/ns1/img2@snap1
+rbd/ns1/img3
+rbd/ns1/img3@snap1
+rbd/ns1/img3@snap2
+rbd/ns2/img1
+rbd/ns2/img2
+rbd/ns2/img2@snap1
+rbd/ns2/img3
+rbd/ns2/img3@snap1
+rbd/ns2/img3@snap2
+custom/img1
+custom/img1@snap1
+custom/img2
+custom/img2@snap1
+custom/img2@snap2
+custom/img3
+custom/ns1/img1
+custom/ns1/img1@snap1
+custom/ns1/img2
+custom/ns1/img2@snap1
+custom/ns1/img2@snap2
+custom/ns1/img3
+custom/ns2/img1
+custom/ns2/img1@snap1
+custom/ns2/img2
+custom/ns2/img2@snap1
+custom/ns2/img2@snap2
+custom/ns2/img3
+)
+
+ceph osd pool create custom 8
+rbd pool init custom
+
+ceph osd set-require-min-compat-client nautilus
+rbd namespace create rbd/ns1
+rbd namespace create rbd/ns2
+rbd namespace create custom/ns1
+rbd namespace create custom/ns2
+
+# create in order, images before snapshots
+for spec in "${SPECS[@]}"; do
+    if [[ "$spec" =~ snap ]]; then
+        rbd snap create "$spec"
+    else
+        rbd create --size 10 "$spec"
+        DEV="$(sudo rbd map "$spec")"
+        sudo sfdisk "$DEV" <<EOF
+unit: sectors
+${DEV}p1 : start=        2048, size=           2, type=83
+${DEV}p2 : start=        4096, size=           2, type=83
+EOF
+        sudo rbd unmap "$DEV"
+    fi
+done
+
+[[ ! -e /dev/rbd ]]
+
+# map in random order
+COUNT=${#SPECS[@]}
+read -r -a INDEXES < <(python3 <<EOF
+import random
+l = list(range($COUNT))
+random.shuffle(l)
+print(*l)
+EOF
+)
+
+DEVS=()
+for idx in "${INDEXES[@]}"; do
+    DEVS+=("$(sudo rbd map "${SPECS[idx]}")")
+done
+
+[[ $(rbd showmapped | wc -l) -eq $((COUNT + 1)) ]]
+
+for ((i = 0; i < COUNT; i++)); do
+    [[ "$(readlink -e "/dev/rbd/${SPECS[INDEXES[i]]}")" == "${DEVS[i]}" ]]
+    [[ "$(readlink -e "/dev/rbd/${SPECS[INDEXES[i]]}-part1")" == "${DEVS[i]}p1" ]]
+    [[ "$(readlink -e "/dev/rbd/${SPECS[INDEXES[i]]}-part2")" == "${DEVS[i]}p2" ]]
+done
+
+for idx in "${INDEXES[@]}"; do
+    sudo rbd unmap "/dev/rbd/${SPECS[idx]}"
+done
+
+[[ ! -e /dev/rbd ]]
+
+# remove in reverse order, snapshots before images
+for ((i = COUNT - 1; i >= 0; i--)); do
+    if [[ "${SPECS[i]}" =~ snap ]]; then
+        rbd snap rm "${SPECS[i]}"
+    else
+        rbd rm "${SPECS[i]}"
+    fi
+done
+
+rbd namespace rm custom/ns2
+rbd namespace rm custom/ns1
+rbd namespace rm rbd/ns2
+rbd namespace rm rbd/ns1
+
+ceph osd pool delete custom custom --yes-i-really-really-mean-it
+
+echo OK
-- 
2.39.5