fix CI (try 3)

Including VILLASnode as a submodule should work, but there
probably is a better way to do this.


Former-commit-id: 85baa87b

.gitlab-ci.yml

+variables:
+  PREFIX: /usr/
+  GIT_SUBMODULE_STRATEGY: recursive
+
 stages:
   - prepare
   - build
   - test
 
+before_script:
+  - git submodule foreach git checkout .
+
 docker:
   stage: prepare
   script:
@@ -13,6 +20,7 @@ docker:
 build:
   stage: build
   script:
+    - make -C Source/VILLASnode install-libvillas-ext
     - make -C Source
   image: dpsim-dev
   tags:

.gitmodules

+[submodule "Source/VILLASnode"]
+	path = Source/VILLASnode
+	url = git@git.rwth-aachen.de:VILLASframework/VILLASnode

Dockerfile

@@ -8,7 +8,3 @@ RUN dnf -y install \
 	doxygen \
 	numpy \
 	python-pandas
-
-ADD https://villas.fein-aachen.org/packages/villas.repo /etc/yum.repos.d/
-
-RUN dnf -y install villas-node

VILLASnode @ 38a63f1f

+Subproject commit 38a63f1f829b0f8f839c407067c4959df386126c