nayuos: Add error message shown in the runner's services logs.

instance.cfg

@@ -52,7 +52,7 @@ logo_dir = {{ logo_dir }}
 recipe = slapos.recipe.template:jinja2
 template = {{ scripts_dir }}/cros_full_build.in
 rendered = ${directory:run}/cros_full_build
-md5sum = 8ffa46a4b8a7cc6fa4f7e61eb20bdcbe
+md5sum = 76942f32e682b36397b41db28297625d
 mode = 0770
 context =
 # for access to the eggs from the instance

scripts/cros_full_build.in

@@ -27,7 +27,7 @@ TEST_LOG={{ instance_log_dir }}/tests_nayuos_image.log
 cd {{ cros_location }}/{{ branch }}
 
 # create chroot environment (exit on failure)
-cros_sdk --download || exit 1
+cros_sdk --download || { echo "Problem entering chroot or downloading chroot environment. Exiting." ; exit 1 ; }
 
 # compile Python with sqlite support (-> change USE flag) for dev-lang/python
 # it is needed by re6st
@@ -134,7 +134,7 @@ for board in ${BOARDS} ; do
     && cros_sdk -- rm -f $NAYU_IMAGE_LOCATION && cros_sdk -- touch $NAYU_IMAGE_LOCATION \
     && cros_sdk -- cros flash --board=${board} file://$NAYU_IMAGE_LOCATION >> "${BUILD_LOG}" \
     && cros_sdk -- ./test_nayuos_image ${board} > "${TEST_LOG}" \
-    || exit 1
+    || { echo "An error occured while building ${board} NayuOS image. Exiting." ; exit 1 ;}
 
   # save ~15Go/device but delete cache (next build will be as long)
   if [ ${KEEP_CACHE,,} == "no" ] ; then

software.cfg

@@ -35,7 +35,7 @@ command = sudo -V
 recipe = slapos.recipe.template:jinja2
 template = ${:_profile_base_location_}/instance.cfg
 rendered = ${buildout:directory}/instance.cfg
-md5sum = 47392f52ff3e2a907c511bf19b821051
+md5sum = d5a12b1ea814b4bb6792dfebaa655f90
 mode = 0644
 scripts_dir = ${:_profile_base_location_}/scripts
 logo_dir = ${:_profile_base_location_}/logo