HARMONY-1955: Update service generation to use new harmony_service_lib (

#659)

namespace and fix gdal version to avoid conflict with the installed
python library

service-templates/Dockerfile

@@ -1,11 +1,13 @@
 # Add copyright statement here
 
-FROM ghcr.io/osgeo/gdal:alpine-small-latest 
+FROM ghcr.io/osgeo/gdal:alpine-small-3.9.3
 
-RUN apk add bash build-base gcc g++ gfortran openblas-dev cmake python3 python3-dev libffi-dev netcdf-dev libxml2-dev libxslt-dev libjpeg-turbo-dev zlib-dev hdf5 hdf5-dev gdal-dev gdal-tools
-
-RUN python -m ensurepip --upgrade
-RUN pip3 install gdal numpy netCDF4 matplotlib harmony-service-lib
+RUN apk add bash build-base gcc g++ gfortran openblas-dev cmake python3 python3-dev libffi-dev netcdf-dev libxml2-dev libxslt-dev libjpeg-turbo-dev zlib-dev hdf5 hdf5-dev
+RUN  python3 -m venv service-env
+ENV PATH="/service-env/bin:$PATH"
+RUN python3 -m ensurepip --upgrade
+RUN pip3 install numpy netCDF4 matplotlib harmony-service-lib
+RUN pip3 install "gdal==3.9.3"
 
 # Create a new user
 RUN adduser -D -s /bin/sh -h /home/dockeruser -g "" -u 1000 dockeruser

service-templates/sample_service.py

@@ -12,10 +12,10 @@
 from tempfile import mkdtemp
 from pystac import Asset
 
-import harmony
-from harmony.util import generate_output_filename, stage, download
+import harmony_service_lib
+from harmony_service_lib.util import generate_output_filename, stage, download
 
-class ExampleAdapter(harmony.BaseHarmonyAdapter):
+class ExampleAdapter(harmony_service_lib.BaseHarmonyAdapter):
     """
     Shows an example of what a service adapter implementation looks like
     """
@@ -31,7 +31,7 @@ def process_item(self, item, source):
         ----------
         item : pystac.Item
             the item that should be processed
-        source : harmony.message.Source
+        source : harmony_service_lib.message.Source
             the input source defining the variables, if any, to subset from the item
 
         Returns
@@ -109,12 +109,12 @@ def main():
     """
     parser = argparse.ArgumentParser(prog='example', description='Run an example service')
 
-    harmony.setup_cli(parser)
+    harmony_service_lib.setup_cli(parser)
 
     args = parser.parse_args()
 
-    if (harmony.is_harmony_cli(args)):
-        harmony.run_cli(parser, args, ExampleAdapter)
+    if (harmony_service_lib.is_harmony_cli(args)):
+        harmony_service_lib.run_cli(parser, args, ExampleAdapter)
     else:
         run_cli(args)