do_cmake.sh: set .ceph_port to random port

Signed-off-by: Sage Weil <sage@redhat.com>

diff --git a/do_cmake.sh b/do_cmake.sh
index 9d3c3c1ed4457649b91eba90f39adf8b27cd9055..71340376695d2eaca5544709da435d617988df8a 100755 (executable)
--- a/do_cmake.sh
+++ b/do_cmake.sh
@@ -8,9 +8,13 @@ mkdir build
 cd build
 cmake $@ ..
 
+# minimal config to find plugins
 cat <<EOF > ceph.conf
 plugin dir = lib
 erasure code dir = lib
 EOF
 
+# give vstart a (hopefully) unique mon port to start with
+echo $(( RANDOM % 1000 + 40000 )) > .ceph_port
+
 echo done.