fix visualization docker build failures by bumping python (#12429)

* fix visualization docker build failures by bumping python

Signed-off-by: Humair Khan <HumairAK@users.noreply.github.com>

* set pull number for kfp-samples

Signed-off-by: Humair Khan <HumairAK@users.noreply.github.com>

---------

Signed-off-by: Humair Khan <HumairAK@users.noreply.github.com>

Author: HumairAK

.github/workflows/kfp-samples.yml

@@ -87,6 +87,8 @@ jobs:
     - name: Run Samples Tests
       id: tests
       if: ${{ steps.forward-api-port.outcome == 'success' }}
+      env:
+        PULL_NUMBER: ${{ github.event.pull_request.number }}
       run: |
         python3 -u ./samples/v2/sample_test.py
       continue-on-error: true

backend/Dockerfile.visualization

@@ -21,11 +21,11 @@
 FROM tensorflow/tensorflow:2.10.1
 
 RUN apt-get update \
-  && apt-get install -y wget curl tar openssl \
+  && apt-get install -y wget curl tar openssl python3.9 \
   && curl https://dl.google.com/dl/cloudsdk/release/google-cloud-sdk.tar.gz > /tmp/google-cloud-sdk.tar.gz \
   && mkdir -p /usr/local/gcloud \
   && tar -C /usr/local/gcloud -xf /tmp/google-cloud-sdk.tar.gz \
-  && /usr/local/gcloud/google-cloud-sdk/install.sh
+  && CLOUDSDK_PYTHON=/usr/bin/python3.9 /usr/local/gcloud/google-cloud-sdk/install.sh
 
 ENV PATH $PATH:/usr/local/gcloud/google-cloud-sdk/bin