From ffdaa5f41594e5b580dbe14b0e28a2606dc44529 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@inktank.com>
Date: Thu, 12 Dec 2013 13:33:40 -0800
Subject: [PATCH] vstart.sh: --cache <pool> to set up pool cache(s) on startup

Signed-off-by: Sage Weil <sage@inktank.com>
---
 src/vstart.sh | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/vstart.sh b/src/vstart.sh
index 86f969a76d6a..d150712352cc 100755
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -37,6 +37,7 @@ smallmds=0
 hitset=""
 overwrite_conf=1
 cephx=1 #turn cephx on by default
+cache=""
 
 MON_ADDR=""
 
@@ -153,6 +154,14 @@ case $1 in
 "
 	    shift
 	    ;;
+    --cache )
+	    if [ -z "$cache" ]; then
+		cache="$2"
+	    else
+		cache="$cache $2"
+	    fi
+	    shift
+	    ;;
     * )
 	    usage_exit
 esac
@@ -578,6 +587,21 @@ EOF
     done
 fi
 
+echo "started.  stop.sh to stop.  see out/* (e.g. 'tail -f out/????') for debug output."
+
+do_cache() {
+    while [ -n "$*" ]; do
+	p="$1"
+	shift
+	echo "creating cache for pool $p ..."
+	$SUDO $CEPH_ADM osd pool create ${p}-cache 8
+	$SUDO $CEPH_ADM osd tier add $p ${p}-cache
+	$SUDO $CEPH_ADM osd tier cache-mode ${p}-cache writeback
+	$SUDO $CEPH_ADM osd tier set-overlay $p ${p}-cache
+    done
+}
+do_cache $cache
+
 do_hitsets() {
     while [ -n "$*" ]; do
 	pool="$1"
@@ -592,8 +616,6 @@ do_hitsets() {
 }
 do_hitsets $hitset
 
-echo "started.  stop.sh to stop.  see out/* (e.g. 'tail -f out/????') for debug output."
-
 echo ""
 echo "export PYTHONPATH=./pybind"
 echo "export LD_LIBRARY_PATH=.libs"
-- 
2.47.3