ci: added apt caching

.gitlab-ci.yml

@@ -2,10 +2,11 @@
 image: docker:latest
 
 variables:
+  APT_CACHE_DIR: "${CI_PROJECT_DIR}/.cache/apt"
   DOCKER_DRIVER: overlay
   DOCKER_BRANCH: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
   DOCKER_LATEST: $CI_REGISTRY_IMAGE:latest
-  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
+  PIP_CACHE_DIR: "${CI_PROJECT_DIR}/.cache/pip"
 
 stages:
   - test
@@ -40,13 +41,15 @@ before_script:
     MYSQL_DB: "${DJANGO_DB_NAME}"
     MYSQL_ROOT_PASSWORD: "${DJANGO_DB_PASSWORD}"
   before_script:
+    # create apt cache directory
+    - mkdir -pv ${APT_CACHE_DIR}
     # set python version
     - PYTHON_VERSION="${CI_JOB_NAME##*:}"
     - PYTHON_MAJOR="${PYTHON_VERSION:0:1}"
     - if [[ "${PYTHON_MAJOR}" -eq 2 ]]; then PYTHON="python"; else PYTHON="python3"; fi
     # install build requirements
     - apt-get -yqq update
-    - apt-get install -yqq
+    - apt-get -o dir::cache::archives="${APT_CACHE_DIR}" install -yqq
           git
           libmariadbclient-dev
           libldap2-dev
@@ -56,7 +59,7 @@ before_script:
           swig
           ${PYTHON}-pip
     # install voeventlib for python2
-    - if [[ "${PYTHON_MAJOR}" -eq 2 ]]; then apt-get install -yqq python-voeventlib; fi
+    - if [[ "${PYTHON_MAJOR}" -eq 2 ]]; then apt-get -o dir::cache::archives="${APT_CACHE_DIR}" install -yqq python-voeventlib; fi
     # install everything else from pip
     - ${PYTHON} -m pip install -r requirements.txt
     - ${PYTHON} -m pip install pytest-django pytest-cov
@@ -75,8 +78,10 @@ before_script:
     reports:
       junit: junit.xml
   cache:
+    key: "${CI_JOB_NAME}"
     paths:
       - .cache/pip
+      - .cache/apt
 
 test:2.7:
   <<: *test