new: [docker-host] enforcing logs and strict mode on ``70-0k.sh``

precise/host/hooks/install.d/70-0k.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-
+set -eux
 
 ## 0k git remote path
 GIT_0K_BASE=${GIT_0K_BASE:-"0k-ro:/var/git"}
@@ -209,7 +209,10 @@ else
         virtualenv /opt/venv/docker-compose/
     fi
 
+    set +eux
     . /opt/venv/docker-compose/bin/activate
+    set -eux
+
     ## XXXvlab: docker version 3.5.0 is bugged on its requirement list:
     ## error: Setup script exited with error in docker setup command: 'tests_require' must be a string or list of strings containing valid project/version requirement specifiers; Expected ',' or end-of-list in pytest==2.9.1; python_version == '3.3' at ; python_version == '3.3'