fix(pgadmin): switch standalone pgAdmin to python3.12 site-packages path

components/image-pgadmin/Dockerfile

@@ -4,7 +4,7 @@
 
 ARG BASE_VERSION=ubi9
 ARG PGADMIN4_VERSION=9.15
-ARG PYTHON_VERSION=3.11
+ARG PYTHON_VERSION=3.12
 ARG PG_MAJOR=18
 
 # Some Python packages available in UBI repositories are too old for pgAdmin
@@ -115,11 +115,19 @@ RUN rpm -ivh "https://dl.fedoraproject.org/pub/epel/epel-release-latest-${BASE_V
 #
 # - https://docs.python.org/3/whatsnew/3.12.html
 # - https://github.com/pgadmin-org/pgadmin4/blob/REL-8_14/requirements.txt#L57
+#
+# Install "wheel" and "packaging" alongside pip/setuptools so legacy pgAdmin
+# transitive deps (e.g. Flask-Principal) that ship as sdists without a
+# pyproject.toml can build via "setup.py bdist_wheel". Without these the
+# wheel package's bdist_wheel shim fails on Python 3.12 with UBI's older
+# rpm setuptools because its fallback path imports "packaging".
 ARG PGADMIN4_VERSION
 RUN \
 microdnf install -y --nodocs \
+"python${PYTHON_VERSION}-packaging" \
 "python${PYTHON_VERSION}-pip" \
 "python${PYTHON_VERSION}-setuptools" \
+"python${PYTHON_VERSION}-wheel" \
 && microdnf clean all \
 && rm -f /etc/yum.repos.d/redhat.repo \
 && "python${PYTHON_VERSION}" -m pip install --no-cache-dir \
@@ -129,6 +137,14 @@ microdnf install -y --nodocs \
 && update-alternatives --install /usr/bin/python3 python3 "/usr/bin/python${PYTHON_VERSION}" 1 \
 && update-alternatives --set python3 "/usr/bin/python${PYTHON_VERSION}"
 
+# The operator invokes pgAdmin's setup.py CLI (add-user, update-user, load-servers,
+# setup-db) against the same install that gunicorn is serving. When setup.py runs
+# as a CLI, pgAdmin's Flask app.name ends with "-cli" and delete_adhoc_servers()
+# wipes servers users registered through the web UI. Gate that call so it only
+# runs for non-CLI invocations.
+RUN sed -i "s/delete_adhoc_servers()/if not app.name.endswith('-cli'): delete_adhoc_servers()/g" \
+    /usr/local/lib/python${PYTHON_VERSION}/site-packages/pgadmin4/pgadmin/__init__.py
+
 # config_local.py should be colocated with config.py
 COPY --chmod=0444 conf/config_local.py \
     /usr/local/lib/python${PYTHON_VERSION}/site-packages/pgadmin4/config_local.py

internal/controller/standalone_pgadmin/config.go

@@ -15,5 +15,5 @@ const (
 	pgAdminPort = 5050
 
 	// Directory for pgAdmin in container
-	pgAdminDir = "/usr/local/lib/python3.11/site-packages/pgadmin4"
+	pgAdminDir = "/usr/local/lib/python3.12/site-packages/pgadmin4"
 )

internal/controller/standalone_pgadmin/pod_test.go

@@ -45,7 +45,7 @@ containers:
   - |-
     monitor() {
     export PGADMIN_SETUP_PASSWORD="$(date +%s | sha256sum | base64 | head -c 32)"
-    PGADMIN_DIR=/usr/local/lib/python3.11/site-packages/pgadmin4
+    PGADMIN_DIR=/usr/local/lib/python3.12/site-packages/pgadmin4
     APP_RELEASE=$(cd $PGADMIN_DIR && python3 -c "import config; print(config.APP_RELEASE)")
 
     echo "Running pgAdmin4 Setup"
@@ -246,7 +246,7 @@ containers:
   - |-
     monitor() {
     export PGADMIN_SETUP_PASSWORD="$(date +%s | sha256sum | base64 | head -c 32)"
-    PGADMIN_DIR=/usr/local/lib/python3.11/site-packages/pgadmin4
+    PGADMIN_DIR=/usr/local/lib/python3.12/site-packages/pgadmin4
     APP_RELEASE=$(cd $PGADMIN_DIR && python3 -c "import config; print(config.APP_RELEASE)")
 
     echo "Running pgAdmin4 Setup"