update python agent dockerfile to be aboe to run without nexus configured

Author: BraisVQ

common/jenkins-agents/python/docker/Dockerfile.ubi9

@@ -7,31 +7,33 @@ ARG nexusAuth
 
 ENV PYTHONUNBUFFERED=1 \
     PYTHONIOENCODING=UTF-8 \
-    UV_INDEX_URL=https://${nexusAuth}@${nexusHost}/repository/pypi-all/simple \
-    PIP_TRUSTED_HOST=${nexusHost} \
     UV_CA_CERTIFICATE=/etc/ssl/certs/ca-bundle.crt \
+    PIP_CERT=/etc/ssl/certs/ca-bundle.crt \
     PATH=$HOME/.local/bin:$JAVA_HOME/bin:$PATH \
     UV_VERSION=0.10.9
 
-ENV UV_DEFAULT_INDEX=${UV_INDEX_URL} \
-    PIP_INDEX_URL=${UV_INDEX_URL} \
-    PIP_CERT=${UV_CA_CERTIFICATE}
-
+# Set PyPI URLs and configure Python packages
 RUN yum install -y autoconf automake gcc gcc-c++ openssl-devel libffi-devel && \
     curl -LsSf https://astral.sh/uv/${UV_VERSION}/install.sh | sh && \
     mkdir -p $HOME/.config/pip && \
     echo "[global]" > $HOME/.config/pip/pip.conf && \
-    echo "index-url = https://${nexusAuth}@${nexusHost}/repository/pypi-all/simple" >> $HOME/.config/pip/pip.conf && \
-    echo "trusted-host = ${nexusHost}" >> $HOME/.config/pip/pip.conf && \
+    if [ -n "${nexusHost}" ] && [ -n "${nexusAuth}" ]; then \
+      echo "index-url = https://${nexusAuth}@${nexusHost}/repository/pypi-all/simple" >> $HOME/.config/pip/pip.conf && \
+      echo "trusted-host = ${nexusHost}" >> $HOME/.config/pip/pip.conf && \
+      echo "export UV_DEFAULT_INDEX=https://${nexusAuth}@${nexusHost}/repository/pypi-all/simple" > /etc/profile.d/uv-index.sh; \
+    else \
+      echo "export UV_DEFAULT_INDEX=https://pypi.org/simple" > /etc/profile.d/uv-index.sh; \
+    fi && \
     yum -y clean all
 
-RUN for pyVersion in 3.8 3.9 3.11 3.12; do \
-        uv python install $pyVersion && \
-        uv pip install --verbose --system --break-system-packages --python $pyVersion --trusted-host ${nexusHost} \
-            virtualenv==20.26.3 \
-            setuptools==72.2.0 \
-            Cython==3.0.11 \
-            pypandoc==1.13; \
+RUN PACKAGES="virtualenv==20.26.3 setuptools==72.2.0 Cython==3.0.11 pypandoc==1.13" && \
+    for pyVersion in 3.8 3.9 3.11 3.12; do \
+      uv python install $pyVersion && \
+      if [ -n "${nexusHost}" ] && [ -n "${nexusAuth}" ]; then \
+        uv pip install --verbose --system --break-system-packages --python $pyVersion --trusted-host ${nexusHost} $PACKAGES; \
+      else \
+        uv pip install --verbose --system --break-system-packages --python $pyVersion $PACKAGES; \
+      fi; \
     done && \
     uv tool update-shell