ENH: use docker within travis-ci (#18)

Author: kmuehlbauer

.travis.yml

@@ -1,14 +1,11 @@
 # run on container-based infrastructure
-sudo: false
+sudo: required
 
-language: python
+language: generic
 
-addons:
-    apt:
-        packages:
-            - gfortran
+services:
+    - docker
 
-# build only master
 branches:
   only:
   - master
@@ -22,23 +19,25 @@ env:
 matrix:
     include:
     - python: 3.6
+      sudo: required
       env:
         - PYTHON_VERSION="3.6"
+        - WRADLIB_DOCKER_TAG=full
 
-install:
-    - deactivate
-    - source scripts/install.sh
+before_install:
+    - docker pull wradlib/wradlib-docker:$WRADLIB_DOCKER_TAG
+    - source scripts/docker_run.sh
 
-before_script:
-    - export GDAL_DATA=$HOME/miniconda/envs/wradlib/share/gdal
-    - export WRADLIB_DATA=$HOME/wradlib-data
-    - export WRADLIB_NOTEBOOKS=$NOTEBOOKS_BUILD_DIR/notebooks
-    - export DISPLAY=:99
-    - sh -e /etc/init.d/xvfb start
-    - sleep 3
+install:
+    - git clone https://github.com/wradlib/wradlib-data.git
+    - git clone https://github.com/wradlib/wradlib.git
+    - cd wradlib
+    - export WRADLIB_TAG=`git name-rev --name-only --tags HEAD`
+    - cd $NOTEBOOKS_BUILD_DIR
+    - source scripts/install_docker.sh
 
 script:
-    - scripts/render_notebooks.sh
+    - docker exec -i -u=$UID $WRADLIB_DOCKER_TAG /bin/bash -c "source activate wradlib; cd /home/build; scripts/render_notebooks.sh"
 
 after_success:
     - cd $NOTEBOOKS_BUILD_DIR && scripts/push_notebooks.sh

scripts/docker_run.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+# Copyright (c) 2017-2018, wradlib developers.
+# Distributed under the MIT License. See LICENSE.txt for more info.
+
+# print env vars
+echo "TRAVIS_PULL_REQUEST " $TRAVIS_PULL_REQUEST
+echo "TRAVIS_SECURE_ENV_VARS " $TRAVIS_SECURE_ENV_VARS
+echo "TRAVIS_TAG " $TRAVIS_TAG ${TRAVIS_TAG:1}
+echo "PYTHON_VERSION" $PYTHON_VERSION
+echo "WRADLIB_DOCKER_TAG" $WRADLIB_DOCKER_TAG
+
+# run docker container
+docker run -d -ti \
+            --name $WRADLIB_DOCKER_TAG \
+            -v "${NOTEBOOKS_BUILD_DIR}":/home/build \
+            -e LOCAL_USER_ID=$UID \
+            -e NOTEBOOKS_BUILD_DIR=/home/build \
+            -e WRADLIB_DATA=/home/build/wradlib-data \
+            -e WRADLIB_NOTEBOOKS=/home/build/notebooks \
+            -e PYTHON_VERSION=$PYTHON_VERSION \
+            -e CI \
+            -e TRAVIS \
+            -e TRAVIS_PULL_REQUEST \
+            -e TRAVIS_SECURE_ENV_VARS \
+            -e TRAVIS_BRANCH \
+            -e TRAVIS_TAG \
+            -e TRAVIS_JOB_NUMBER \
+            -e TRAVIS_JOB_ID \
+            -e TRAVIS_REPO_SLUG \
+            -e TRAVIS_COMMIT \
+            -e TRAVIS_BUILD_DIR=/home/build/wradlib \
+            -e TRAVIS_OS_NAME \
+            -e TRAVIS_PYTHON_VERSION=$PYTHON_VERSION \
+            wradlib/wradlib-docker:$WRADLIB_DOCKER_TAG /bin/bash

scripts/install_docker.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+# Copyright (c) 2017-2018, wradlib developers.
+# Distributed under the MIT License. See LICENSE.txt for more info.
+
+cat << EOF | docker exec -i $WRADLIB_DOCKER_TAG \
+                        /bin/bash
+
+export PYTHONUNBUFFERED=1
+
+conda config --set show_channel_urls True
+conda config --add channels conda-forge
+
+source activate wradlib
+
+cd /home/build/wradlib
+python -m pip install . --no-deps --ignore-installed --no-cache-dir -vvv
+
+# print version information
+python --version
+pip --version
+python -c "from osgeo import gdal; print('GDAL:', gdal.__version__)"
+python -c "import numpy; print('NUMPY:', numpy.__version__)"
+python -c "import scipy; print('SCIPY:', scipy.__version__)"
+python -c "import matplotlib; print('MATPLOTLIB:', matplotlib.__version__)"
+python -c "import netCDF4; print('NETCDF4:', netCDF4.__version__, netCDF4.getlibversion(), netCDF4.__hdf5libversion__)"
+python -c "import h5py; print('H5PY:', h5py.__version__, h5py.version.hdf5_version)"
+python -c "import xmltodict; print('XMLTODICT:', xmltodict.__version__)"
+# python -c "import wradlib; print('WRADLIB:', wradlib.__version__, wradlib.__git_revision__)"
+EOF

scripts/push_notebooks.sh

@@ -20,7 +20,8 @@ if [ $TRAVIS_SECURE_ENV_VARS == 'true' ]; then
     git config --global user.email "[email protected]"
     git config --global user.name "wradlib-docs-bot"
     git checkout --orphan render
-    rm -rf miniconda.sh
+    rm -rf wradlib
+    rm -rf wradlib-data
     git add --all .
     git commit -m "Rendering at commit $TRAVIS_COMMIT"