[KVM SR] Fix image corruption promise to report 'ok' if there are only leaks.

software/kvm/common.cfg

@@ -88,7 +88,7 @@ mode = 0644
 recipe = hexagonit.recipe.download
 url = ${:_profile_base_location_}/instance-kvm.cfg.jinja2
 mode = 644
-md5sum = 36efccfeda60e2990fc71df6264cbe9d
+md5sum = 83d1991cb298c87ec7d37e1b8c466417
 download-only = true
 on-update = true
 

software/kvm/instance-kvm.cfg.jinja2

@@ -108,6 +108,13 @@ port = ${kvm-instance:vnc-port}
 recipe = collective.recipe.template
 input = inline:#!/bin/sh
   ${kvm-instance:qemu-img-path} check ${kvm-instance:disk-path}
+  EXIT_VALUE=$?
+  # Exit code 3 is used to say "there are leaks but it's ok"
+  # See http://git.qemu.org/?p=qemu.git;a=blob;f=qemu-img.c;h=b6b5644cb6afaf7441f950c85ff1e652c79bdbff;hb=HEAD#l522
+  if [[ ! $EXIT_VALUE -eq 0 && ! $EXIT_VALUE -eq 3 ]]; then
+    exit 1
+  fi
+  exit 0
 output = ${directory:promises}/kvm-disk-image-corruption
 mode = 700