[conda] Pull docker images using beat.core infrastructure the first thing during testing

buildout.cfg

 [buildout]
-parts = scripts
+parts = scripts docker
 eggs = beat.cmdline
 develop = .
 newest = false
 
 [scripts]
 recipe = bob.buildout:scripts
+
+[docker]
+recipe = collective.recipe.cmd
+cmds = ./bin/python -c 'from beat.core.test.utils import pull_docker_test_images as f; f()'
+on_install = true
+on_update = true

conda/meta.yaml

@@ -59,6 +59,8 @@ test:
     - {{ name }}
 
   commands:
+    # pulls required images once before running the tests
+    - python -c "from beat.core.test.utils import pull_docker_test_images as f; f()"
     - worker --help
     - beat --help
     - beat config --help

develop.cfg

@@ -3,7 +3,7 @@
 ; Tue 02 Jun 2015 13:05:59 CEST
 
 [buildout]
-parts = scripts
+parts = scripts docker
 extensions = mr.developer
 auto-checkout = *
 develop = .
@@ -19,3 +19,9 @@ beat.backend.python = git https://gitlab.idiap.ch/beat/beat.backend.python
 
 [scripts]
 recipe = bob.buildout:scripts
+
+[docker]
+recipe = collective.recipe.cmd
+cmds = ./bin/python -c 'from beat.core.test.utils import pull_docker_test_images as f; f()'
+on_install = true
+on_update = true