diff --git a/scripts/bootstrap-ansible.sh b/scripts/bootstrap-ansible.sh
index 46b5e9656e..835a627166 100755
--- a/scripts/bootstrap-ansible.sh
+++ b/scripts/bootstrap-ansible.sh
@@ -30,9 +30,6 @@ export DEBIAN_FRONTEND=${DEBIAN_FRONTEND:-"noninteractive"}
 # Set the role fetch mode to any option [galaxy, git-clone]
 export ANSIBLE_ROLE_FETCH_MODE=${ANSIBLE_ROLE_FETCH_MODE:-galaxy}
 
-# virtualenv vars
-VIRTUALENV_OPTIONS="--always-copy"
-
 # This script should be executed from the root directory of the cloned repo
 cd "$(dirname "${0}")/.."
 
@@ -60,30 +57,22 @@ determine_distro
 # Install the base packages
 case ${DISTRO_ID} in
     centos|rhel)
-        yum -y install git python2 curl autoconf gcc-c++ \
-          python2-devel gcc libffi-devel nc openssl-devel \
-          python-pyasn1 pyOpenSSL python-ndg_httpsclient \
-          python-netaddr python-prettytable python-crypto PyYAML \
-          python-virtualenv
-          VIRTUALENV_OPTIONS=""
+        yum -y install \
+          git curl autoconf gcc gcc-c++ nc \
+          python2 python2-devel \
+          openssl-devel libffi-devel \
+          libselinux-python
         ;;
     ubuntu)
         apt-get update
         DEBIAN_FRONTEND=noninteractive apt-get -y install \
-          git python-all python-dev curl python2.7-dev build-essential \
-          libssl-dev libffi-dev netcat python-requests python-openssl python-pyasn1 \
-          python-netaddr python-prettytable python-crypto python-yaml \
-          python-virtualenv
+          git-core curl gcc netcat \
+          python2.7 python2.7-dev \
+          libssl-dev libffi-dev \
+          python-apt
         ;;
 esac
 
-# NOTE(mhayden): Ubuntu 16.04 needs python-ndg-httpsclient for SSL SNI support.
-#                This package is not needed in Ubuntu 14.04 and isn't available
-#                there as a package.
-if [[ "${DISTRO_ID}" == 'ubuntu' ]] && [[ "${DISTRO_VERSION_ID}" == '16.04' ]]; then
-  DEBIAN_FRONTEND=noninteractive apt-get -y install python-ndg-httpsclient
-fi
-
 # Install pip
 get_pip
 
@@ -105,8 +94,19 @@ UPPER_CONSTRAINTS_PROTO=$([ "$PYTHON_VERSION" == $(echo -e "$PYTHON_VERSION\n2.7
 # Set the location of the constraints to use for all pip installations
 export UPPER_CONSTRAINTS_FILE=${UPPER_CONSTRAINTS_FILE:-"$UPPER_CONSTRAINTS_PROTO://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?id=$(awk '/requirements_git_install_branch:/ {print $2}' playbooks/defaults/repo_packages/openstack_services.yml)"}
 
+# Make sure that host requirements are installed
+pip install ${PIP_OPTS} \
+  --requirement requirements.txt \
+  --constraint ${UPPER_CONSTRAINTS_FILE} \
+  || pip install ${PIP_OPTS} \
+       --requirement requirements.txt \
+       --constraint ${UPPER_CONSTRAINTS_FILE} \
+       --isolated
+
 # Create a Virtualenv for the Ansible runtime
-virtualenv --clear ${VIRTUALENV_OPTIONS} --python="${PYTHON_EXEC_PATH}" /opt/ansible-runtime
+virtualenv --python="${PYTHON_EXEC_PATH}" \
+           --clear \
+           /opt/ansible-runtime
 
 # The vars used to prepare the Ansible runtime venv
 PIP_OPTS+=" --upgrade"
diff --git a/scripts/scripts-library.sh b/scripts/scripts-library.sh
index 85ea6667c7..c6d1feb1e1 100755
--- a/scripts/scripts-library.sh
+++ b/scripts/scripts-library.sh
@@ -241,24 +241,18 @@ function get_pip {
   # when pip is not installed, install it
   else
 
+    # Download the get-pip script using the primary or secondary URL
+    GETPIP_CMD="curl --silent --show-error --retry 5"
+    GETPIP_FILE="/opt/get-pip.py"
     # If GET_PIP_URL is set, then just use it
     if [ -n "${GET_PIP_URL:-}" ]; then
-      curl --silent ${GET_PIP_URL} > /opt/get-pip.py
-      if head -n 1 /opt/get-pip.py | grep python; then
-        python /opt/get-pip.py ${PIP_INSTALL_OPTIONS}
-        return
-      fi
+      ${CURL_CMD} ${GET_PIP_URL} > ${OUTPUT_FILE}
+    else
+      # Otherwise, try the two standard URL's
+      ${CURL_CMD} https://bootstrap.pypa.io/get-pip.py > ${OUTPUT_FILE}\
+        || ${CURL_CMD} https://raw.githubusercontent.com/pypa/get-pip/master/get-pip.py > ${OUTPUT_FILE}
     fi
 
-    # Try getting pip from bootstrap.pypa.io as a primary source
-    curl --silent https://bootstrap.pypa.io/get-pip.py > /opt/get-pip.py
-    if head -n 1 /opt/get-pip.py | grep python; then
-      python /opt/get-pip.py ${PIP_INSTALL_OPTIONS}
-      return
-    fi
-
-    # Try the get-pip.py from the github repository as a primary source
-    curl --silent https://raw.githubusercontent.com/pypa/get-pip/master/get-pip.py > /opt/get-pip.py
     if head -n 1 /opt/get-pip.py | grep python; then
       python /opt/get-pip.py ${PIP_INSTALL_OPTIONS}
       return