vstart.sh: allow shorter MON, OSD, MDS count env vars

This will save me some typing.

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

diff --git a/src/vstart.sh b/src/vstart.sh
index ce125bf8cabe08df5314eb1f7f33119c8a66d91a..c060a41cb10207744b28324470eaebb6e755b31e 100755 (executable)
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -3,6 +3,11 @@
 # abort on failure
 set -e
 
+[ -z "$CEPH_NUM_MON" ] && CEPH_NUM_MON="$MON"
+[ -z "$CEPH_NUM_OSD" ] && CEPH_NUM_OSD="$OSD"
+[ -z "$CEPH_NUM_MDS" ] && CEPH_NUM_MDS="$MDS"
+[ -z "$CEPH_NUM_RGW" ] && CEPH_NUM_RGW="$RGW"
+
 [ -z "$CEPH_NUM_MON" ] && CEPH_NUM_MON=3
 [ -z "$CEPH_NUM_OSD" ] && CEPH_NUM_OSD=1
 [ -z "$CEPH_NUM_MDS" ] && CEPH_NUM_MDS=3