[BACKPORT 2024.1.3]Fix UBI image: Add -y option to install of hostname

Summary:
Original commit: fa38152 / D38602
dnf install hostname was failing waiting for user interaction.  Add the -y option
to avoid that.

Test Plan: Built the UBI:8 image locally

Reviewers: devops, dshubin, steve.varnau

Reviewed By: steve.varnau

Subscribers: devops

Differential Revision: https://phorge.dev.yugabyte.com/D38680

docker/images/yugabyte/Dockerfile

@@ -46,31 +46,53 @@ ENV YB_DEVOPS_USE_PYTHON3=1
 WORKDIR $YB_HOME
 
 # Create some yum aliases for use in this Dockerfile
-ARG yum_install="yum install --disableplugin=subscription-manager"
-ARG yum_upgrade="yum upgrade --disableplugin=subscription-manager"
+ARG yum_install="yum install --disableplugin=subscription-manager -y"
+ARG yum_upgrade="yum upgrade --disableplugin=subscription-manager -y"
+
+# Add the almalinux8 package repo if we are building for ubi.
+RUN <<EOF
+  if [[ "$BASE_IMAGE" == "registry.access.redhat.com/ubi8"* ]]; then
+    cat <<- "EOR" > /etc/yum.repos.d/almalinux8.repo
+[almalinux8-appstream]
+name=Almalinux8-appstream
+baseurl=https://repo.almalinux.org/almalinux/8/AppStream/$basearch/os/
+gpgcheck=1
+enabled=1
+gpgkey=https://repo.almalinux.org/almalinux/RPM-GPG-KEY-AlmaLinux-8
+
+[almalinux8-baseos]
+name=Almalinux8-baseos
+baseurl=https://repo.almalinux.org/almalinux/8/BaseOS/$basearch/os/
+gpgcheck=1
+enabled=1
+gpgkey=https://repo.almalinux.org/almalinux/RPM-GPG-KEY-AlmaLinux-8
+EOR
+  fi
+EOF
+
+# Install hostname for ubi8 images.
+RUN if [[ "$BASE_IMAGE" == "registry.access.redhat.com/ubi8/ubi"* ]]; then \
+  $yum_install hostname; \
+  fi
+
+# Ensure our base system is fully up to date
+RUN set -x; \
+  $yum_upgrade \
+  && rm -rf ~/.cache \
+  && yum clean all && rm -rf /var/cache/yum
 
 # Install required python packages first
 # this should leave us with python3.8 as the default python3
 RUN set -x ; \
-    if [[ "$BASE_IMAGE" == "centos:7" ]]; then \
-      $yum_install -y install centos-release-scl-rh && \
-      yum_install="$yum_install --enablerepo=centos-sclo-rh"; \
-    fi && \
-    if [[ "$BASE_IMAGE" == "registry.access.redhat.com/ubi7/ubi"* \
-          || "$BASE_IMAGE" == "centos:7" ]]; then \
-      $yum_install -y \
-        rh-python38 \
-        rh-python38-python-setuptools \
-        rh-python38-python-devel \
-        rh-python38-python-pip \
-        rh-python38-python-psutil \
-      && echo "source /opt/rh/rh-python38/enable" >> /etc/bashrc \
-      && source /opt/rh/rh-python38/enable; \
-    else \
-      $yum_install -y  \
-        python38-devel \
-        python38-pip \
-        python38-psutil; \
+   $yum_install  \
+      python38-devel \
+      python38-pip \
+      python38-psutil \
+    && pip3 install --upgrade pip \
+    && pip3 install --upgrade lxml \
+    && pip3 install --upgrade s3cmd \
+    && if [[ "$(uname -m)" == "x86_64" ]]; then \
+      pip3 install --upgrade psutil; \
     fi \
     && pip3 install --upgrade pip \
     && pip3 install --upgrade lxml