1 files changed, 72 insertions, 0 deletions
diff --git a/qa/workunits/mon/mon-stretch-mode-5-mons-8-osds.sh b/qa/workunits/mon/mon-stretch-mode-5-mons-8-osds.sh
new file mode 100755
index 00000000000..827fb0a0b13
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+++ b/qa/workunits/mon/mon-stretch-mode-5-mons-8-osds.sh
@@ -0,0 +1,72 @@
+#!/bin/bash -ex
+
+# A bash script for setting up stretch mode with 5 monitors and 8 OSDs.
+
+NUM_OSDS_UP=$(ceph osd df | grep "up" | wc -l)
+
+if [ $NUM_OSDS_UP -lt 8 ]; then
+    echo "test requires at least 8 OSDs up and running"
+    exit 1
+fi
+
+# ensure election strategy is set to "connectivity"
+# See https://tracker.ceph.com/issues/69107
+ceph mon set election_strategy connectivity
+
+for dc in dc1 dc2
+    do
+      ceph osd crush add-bucket $dc datacenter
+      ceph osd crush move $dc root=default
+    done
+
+ceph osd crush add-bucket host01 host
+ceph osd crush add-bucket host02 host
+ceph osd crush add-bucket host03 host
+ceph osd crush add-bucket host04 host
+
+ceph osd crush move host01 datacenter=dc1
+ceph osd crush move host02 datacenter=dc1
+ceph osd crush move host03 datacenter=dc2
+ceph osd crush move host04 datacenter=dc2
+
+ceph osd crush move osd.0 host=host01
+ceph osd crush move osd.1 host=host01
+ceph osd crush move osd.2 host=host02
+ceph osd crush move osd.3 host=host02
+ceph osd crush move osd.4 host=host03
+ceph osd crush move osd.5 host=host03
+ceph osd crush move osd.6 host=host04
+ceph osd crush move osd.7 host=host04
+
+# set location for monitors
+ceph mon set_location a datacenter=dc1 host=host01
+ceph mon set_location b datacenter=dc1 host=host02
+ceph mon set_location c datacenter=dc2 host=host03
+ceph mon set_location d datacenter=dc2 host=host04
+
+# set location for tiebreaker monitor
+ceph mon set_location e datacenter=dc3 host=host05
+
+# remove the current host from crush map
+hostname=$(hostname -s)
+ceph osd crush remove $hostname
+# create a new crush rule with stretch rule
+ceph osd getcrushmap > crushmap
+crushtool --decompile crushmap > crushmap.txt
+sed 's/^# end crush map$//' crushmap.txt > crushmap_modified.txt
+cat >> crushmap_modified.txt << EOF
+rule stretch_rule {
+       id 2
+       type replicated
+       step take default
+       step choose firstn 2 type datacenter
+       step chooseleaf firstn 2 type host
+       step emit
+}
+# end crush map
+EOF
+
+crushtool --compile crushmap_modified.txt -o crushmap.bin
+ceph osd setcrushmap -i crushmap.bin
+
+ceph mon enable_stretch_mode e stretch_rule datacenter