CI Python environment is not separate from the base env. Fixed mixed channels...

CI Python environment is not separate from the base env. Fixed mixed channels for gdal and libgdal causing libkea issue during CI.

.gitlab-ci.yml

@@ -21,7 +21,8 @@ test_py_tools_ds:
   stage: test
   script:
     - source /root/miniconda3/bin/activate
-    - export GDAL_DATA=/root/miniconda3/share/gdal
+    - source activate py_tools_ds
+    - export GDAL_DATA=/root/miniconda3/envs/py_tools_ds/share/gdal
     - export PYTHONPATH=$PYTHONPATH:/root  # /root <- directory needed later
     - make nosetests
     - make docs
@@ -38,7 +39,8 @@ test_styles:
   stage: test
   script:
     - source /root/miniconda3/bin/activate
-    - export GDAL_DATA=/root/miniconda3/share/gdal
+    - source activate py_tools_ds
+    - export GDAL_DATA=/root/miniconda3/envs/py_tools_ds/share/gdal
     - export PYTHONPATH=$PYTHONPATH:/root  # /root <- directory needed later
     - make lint
   artifacts:
@@ -53,9 +55,8 @@ test_py_tools_ds_install:
   stage: test
   script:
     - source /root/miniconda3/bin/activate
-    - export GDAL_DATA=/root/miniconda3/share/gdal
-    - conda create -y -q --name py_tools_ds python=3
-    - source activate py_tools_ds
+    - conda create -y -q --name py_tools_ds_testinstall python=3
+    - source activate py_tools_ds_testinstall
     # resolve some requirements with conda
     - conda install --yes -q -c conda-forge numpy gdal scikit-image pyproj rasterio shapely geopandas
     - conda install --yes -q -c conda-forge kealib  # fix for libkea.so.1.4.7: cannot open shared object file: No such file or directory

tests/CI_docker/context/environment_py_tools_ds.yml

@@ -9,7 +9,8 @@ dependencies:
   - pyqt
   - numpy
   - gdal
-  - kealib    # fix for libkea.so.1.4.7: cannot open shared object file: No such file or directory
+  - conda-forge::libgdal  # force to use conda-forge for libgdal to avoid package version incompatiblies due to mixed channels (libkea.so.1.4.7: cannot open shared object file: No such file or directory)
+  # - kealib    # fix for libkea.so.1.4.7: cannot open shared object file: No such file or directory (not needed as long as libgdal and gdal are conda-forge packages)
   - scikit-image
   - rasterio
   - pyproj

tests/CI_docker/context/py_tools_ds_ci.docker

@@ -7,4 +7,4 @@ COPY *.yml /root/
 
 RUN /bin/bash -i -c "\
     source /root/miniconda3/bin/activate ; \
-    conda env update -n root -f /root/environment_py_tools_ds.yml"
+    conda env update -f /root/environment_py_tools_ds.yml"