Refactored OpenFisca rules as code to download tagged versions of the…

… Country Template instead of manually managing Country Template package and rules

.github/workflows/deploy.yml

@@ -1,6 +1,39 @@
 name: Deploy images
+
 on:
   - push
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
   delploy:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+    -  name: Checkout
+       uses: actions/checkout@v4
+
+    - name: Log in to the Container registry
+      uses: docker/login-action@v3
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Extract metadata (tags, labels) for Docker image
+      id: meta_openfisca
+      uses: docker/metadata-action@v5
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v5
+      with:
+          context: ./images/rules-as-code
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta_openfisca.outputs.tags }}

images/rules-as-code/Dockerfile

@@ -1,26 +1,26 @@
-FROM uselagoon/python-3.9:latest as build
+FROM uselagoon/python-3.11:latest
 
-WORKDIR /app/
-
-RUN apk add gcc libc-dev g++ linux-headers yaml-dev
-RUN pip wheel --wheel-dir=/app/wheel numpy==1.20.* numexpr==2.8.* psutil PyYAML
-
-
-FROM uselagoon/python-3.9:latest
+ENV COUNTRY_TEMPLATE_VERSION=6.0.1
+ENV OPENFISCA_CORE_VERSION=41.4.1
+ENV COUNTRY_NAME=rules
 
 EXPOSE 3000
+WORKDIR /app
 
-ARG PROJECT_NAME=rule
-COPY openfisca_$PROJECT_NAME /app/openfisca_$PROJECT_NAME
-COPY README.md setup.cfg setup.py /app/
+# Install OpenFisca-Core dependencies
+RUN apk add build-base linux-headers yaml-dev
 
-WORKDIR /app/
+# Install OpenFisca-Core
+RUN pip install OpenFisca-Core[web-api]==$OPENFISCA_CORE_VERSION
 
-COPY --from=build /app/ /app/
-COPY README.md /app/openfisca_$PROJECT_NAME
-RUN apk add gcc libc-dev g++ linux-headers yaml-dev libffi-dev
-RUN pip install --no-index --find-links=/app/wheel numpy numexpr psutil PyYAML
-RUN pip install -e /app
+# Install country-template
+ADD https://github.com/openfisca/country-template/archive/refs/tags/$COUNTRY_TEMPLATE_VERSION.tar.gz /app
+RUN tar -xzf /app/$COUNTRY_TEMPLATE_VERSION.tar.gz -C /app && \
+    rm /app/$COUNTRY_TEMPLATE_VERSION.tar.gz && \
+    mv /app/country-template-$COUNTRY_TEMPLATE_VERSION /app/country-template
 
+# Copy bootstrap.sh to country-template and run it
+COPY bootstrap.sh /app
+RUN . /app/bootstrap.sh
 
 ENTRYPOINT ["openfisca", "serve", "--bind", "0.0.0.0:3000"]

images/rules-as-code/bootstrap.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -e
+
+lowercase_country_name=$(echo $COUNTRY_NAME | tr '[:upper:]' '[:lower:]')
+
+mv country-template openfisca-$lowercase_country_name
+cd openfisca-$lowercase_country_name
+all_module_files=`find openfisca_country_template -type f ! -name "*.DS_Store"`
+
+set -x
+
+# Use intermediate backup files (`-i`) with a weird syntax due to lack of portable 'no backup' option. See https://stackoverflow.com/q/5694228/594053.
+sed -i.template "s|country_template|$lowercase_country_name|g" setup.py setup.cfg Makefile MANIFEST.in $all_module_files
+sed -i.template "s|Country-Template|$COUNTRY_NAME|g" setup.py $all_module_files
+find . -name "*.template" -type f -delete
+
+set +x
+
+mv openfisca_country_template openfisca_$lowercase_country_name
+
+# Install OpenFisca country template
+pip install -e .