local snapshot

diff --git a/planetlab/exp-tool/Makefile b/planetlab/exp-tool/Makefile
index 2f251df..da50326 100644 (file)
--- a/planetlab/exp-tool/Makefile
+++ b/planetlab/exp-tool/Makefile
@@ -168,12 +168,12 @@ cache/bridge.%: | cache/db.%
        @echo "Creating bridge on $(call display,$*) - logs in $(call log,$@)"
        @$(SSH) $(HOST_$*) $(SUDO) \
                sliver-ovs create-bridge $(BRIDGE) $(IP_$*) $(call default,BROPTIONS,$*) &> $(call log,$@) \
-        && touch $@
+        && { echo "IP_$*=$(IP_$*)"; echo "BROPTIONS_$*=$(call default,BROPTIONS,$*)"; } > $@
 
 cache/controller.%: cache/bridge.%
        @echo "Setting controller $(call default,CONTROLLER,$*) on $(call display,$*) - logs in $(call log,$@)"
        @$(SSH) $(HOST_$*) $(SUDO) ovs-vsctl set-controller $(BRIDGE) $(call default,CONTROLLER,$*) &> $(call log,$@) \
-        && touch $@
+        && echo "CONTROLLER_$*=$(call default,CONTROLLER,$*)" > $@
 
 # xxx this probably needs a more thorough cleanup in cache/
 cache/stop.%: del-bridge.%
@@ -265,6 +265,12 @@ shutdown: del-switchs del-dbs
 
 
 ### snapshots
+snapshot:
+       @echo BRIDGE=$(BRIDGE)
+       @cat cache/bridge.* 2>/dev/null || :
+       @cat cache/controller.* 2>/dev/null || :
+       @ls L | sed 's/^/LINKS += /'
+
 remote-snapshot: remote-snapshot-ips remote-snapshot-links
        @true