add pg17 build test

.devcontainer/Dockerfile

@@ -103,6 +103,18 @@ RUN mkdir .pgenv-staging/
 RUN cp -r .pgenv/src .pgenv/pgsql-* .pgenv/config .pgenv-staging/
 RUN rm .pgenv-staging/config/default.conf
 
+FROM base AS pg17
+RUN MAKEFLAGS="-j $(nproc)" pgenv build 17beta2
+RUN rm .pgenv/src/*.tar*
+RUN make -C .pgenv/src/postgresql-*/ clean
+RUN make -C .pgenv/src/postgresql-*/src/include install
+
+# create a staging directory with all files we want to copy from our pgenv build
+# we will copy the contents of the staged folder into the final image at once
+RUN mkdir .pgenv-staging/
+RUN cp -r .pgenv/src .pgenv/pgsql-* .pgenv/config .pgenv-staging/
+RUN rm .pgenv-staging/config/default.conf
+
 FROM base AS uncrustify-builder
 
 RUN sudo apt update && sudo apt install -y cmake tree

.github/workflows/build_and_test.yml

@@ -32,11 +32,12 @@ jobs:
       style_checker_image_name: "ghcr.io/citusdata/stylechecker"
       style_checker_tools_version: "0.8.18"
       sql_snapshot_pg_version: "16.3"
-      image_suffix: "-v13fd57c"
+      image_suffix: "-dev-16d4616"
       pg14_version: '{ "major": "14", "full": "14.12" }'
       pg15_version: '{ "major": "15", "full": "15.7" }'
       pg16_version: '{ "major": "16", "full": "16.3" }'
-      upgrade_pg_versions: "14.12-15.7-16.3"
+      pg17_version: '{ "major": "17", "full": "17beta2" }'
+      upgrade_pg_versions: "14.12-15.7-16.3-17beta2"
     steps:
       # Since GHA jobs needs at least one step we use a noop step here.
       - name: Set up parameters
@@ -113,6 +114,7 @@ jobs:
           - ${{ needs.params.outputs.pg14_version }}
           - ${{ needs.params.outputs.pg15_version }}
           - ${{ needs.params.outputs.pg16_version }}
+          - ${{ needs.params.outputs.pg17_version }}
     runs-on: ubuntu-20.04
     container:
       image: "${{ matrix.image_name }}:${{ fromJson(matrix.pg_version).full }}${{ matrix.image_suffix }}"

src/test/regress/citus_tests/common.py

@@ -93,6 +93,7 @@ OLDEST_SUPPORTED_CITUS_VERSION_MATRIX = {
     14: "10.2.0",
     15: "11.1.5",
     16: "12.1.1",
+    17: "12.1.1",
 }
 
 OLDEST_SUPPORTED_CITUS_VERSION = OLDEST_SUPPORTED_CITUS_VERSION_MATRIX[PG_MAJOR_VERSION]