[BACKPORT 2.18.8] [PLAT-14543] Build break fix for centos7

Summary: Original diff: https://phorge.dev.yugabyte.com/D36280

Test Plan: dev itest

Reviewers: muthu, dshubin, steve.varnau, cwang

Reviewed By: steve.varnau, cwang

Subscribers: jharveysmith, yugaware

Tags: #jenkins-ready

Differential Revision: https://phorge.dev.yugabyte.com/D36533

managed/devops/pex/Dockerfile

@@ -1,6 +1,12 @@
 # Get the latest docker image
 FROM quay.io/pypa/manylinux2014_x86_64
 
+
+RUN sed -i 's/mirrorlist=/#mirrorlist=/g' /etc/yum.repos.d/CentOS-*
+RUN sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' \
+            /etc/yum.repos.d/CentOS-*
+
+
 # Perform general yum updates
 RUN yum --enablerepo=extras -y install epel-release python3-pip
 RUN pip3 install --upgrade pip

managed/devops/yb_release

@@ -20,9 +20,9 @@ activate_virtualenv
 bin/install_ansible_requirements.sh --force
 
 # Python modules build for yugabundle.
-cd "$yb_devops_home"
-docker build -t "$DOCKER_VENV_IMAGE_NAME" .
-docker run -v "$yb_devops_home:/devops" -u "$UID:$(id -g $UID)" "$DOCKER_VENV_IMAGE_NAME"
+# cd "$yb_devops_home"
+# docker build -t "$DOCKER_VENV_IMAGE_NAME" .
+# docker run -v "$yb_devops_home:/devops" -u "$UID:$(id -g $UID)" "$DOCKER_VENV_IMAGE_NAME"
 
 # PEX virtual env build for other deployments.
 cd "$yb_devops_home/pex"

managed/devops/yb_release_manifest.json

@@ -7,7 +7,6 @@
     "destroy-instance.yml",
     "python_requirements_frozen.txt",
     "python3_requirements_frozen.txt",
-    "python*_modules.tar.gz",
     "preprovision.yml",
     "use_custom_ssh_port.yml",
     "yb-server-ctl.yml",