diff --git a/tests/letstest/auto_targets.yaml b/tests/letstest/auto_targets.yaml
new file mode 100644
index 000000000..9daba3910
--- /dev/null
+++ b/tests/letstest/auto_targets.yaml
@@ -0,0 +1,89 @@
+# These images are located in us-east-1.
+
+targets:
+  #-----------------------------------------------------------------------------
+  #Ubuntu
+  - ami: ami-0545f7036167eb3aa
+    name: ubuntu19.10
+    type: ubuntu
+    virt: hvm
+    user: ubuntu
+  - ami: ami-095192256fe1477ad
+    name: ubuntu18.04LTS
+    type: ubuntu
+    virt: hvm
+    user: ubuntu
+  - ami: ami-09677e0a6b14905b0
+    name: ubuntu16.04LTS
+    type: ubuntu
+    virt: hvm
+    user: ubuntu
+  #-----------------------------------------------------------------------------
+  # Debian
+  - ami: ami-01db78123b2b99496
+    name: debian10
+    type: ubuntu
+    virt: hvm
+    user: admin
+  - ami: ami-003f19e0e687de1cd
+    name: debian9
+    type: ubuntu
+    virt: hvm
+    user: admin
+  - ami: ami-0ed54dd1b25657636
+    name: debian9_arm64
+    type: ubuntu
+    virt: hvm
+    user: admin
+    machine_type: a1.medium
+    # userdata: |
+    #   #cloud-init
+    #   runcmd:
+    #     - [ apt-get, install, -y, curl ]
+  #-----------------------------------------------------------------------------
+  # Other Redhat Distros
+  - ami: ami-0916c408cb02e310b
+    name: RHEL7
+    type: centos
+    virt: hvm
+    user: ec2-user
+  - ami: ami-0c322300a1dd5dc79
+    name: RHEL8
+    type: centos
+    virt: hvm
+    user: ec2-user
+  - ami: ami-0fcbe88944a53b4c8
+    name: fedora31
+    type: centos
+    virt: hvm
+    user: fedora
+  - ami: ami-00bbc6858140f19ed
+    name: fedora30
+    type: centos
+    virt: hvm
+    user: fedora
+  #-----------------------------------------------------------------------------
+  # CentOS
+  # These Marketplace AMIs must, irritatingly, have their terms manually
+  # agreed to on the AWS marketplace site for any new AWS account using them...
+  - ami: ami-9887c6e7
+    name: centos7
+    type: centos
+    virt: hvm
+    user: centos
+  # centos6 requires EPEL repo added
+  - ami: ami-1585c46a
+    name: centos6
+    type: centos
+    virt: hvm
+    user: centos
+    userdata: |
+      #cloud-config
+      runcmd:
+        - yum install -y epel-release
+        - iptables -F
+  - ami: ami-01ca03df4a6012157
+    name: centos8
+    type: centos
+    virt: hvm
+    user: centos
diff --git a/tests/letstest/scripts/bootstrap_os_packages.sh b/tests/letstest/scripts/bootstrap_os_packages.sh
new file mode 100644
index 000000000..6f4444cdc
--- /dev/null
+++ b/tests/letstest/scripts/bootstrap_os_packages.sh
@@ -0,0 +1,405 @@
+#!/bin/sh
+#
+# Download and run the latest release version of the Certbot client.
+
+set -e  # Work even if somebody does "sh thisscript.sh".
+
+error() {
+    echo "$@"
+}
+
+MIN_PYTHON_2_VERSION="2.7"
+MIN_PYVER2=$(echo "$MIN_PYTHON_2_VERSION" | sed 's/\.//')
+MIN_PYTHON_3_VERSION="3.5"
+MIN_PYVER3=$(echo "$MIN_PYTHON_3_VERSION" | sed 's/\.//')
+# Sets LE_PYTHON to Python version string and PYVER to the first two
+# digits of the python version.
+# MIN_PYVER and MIN_PYTHON_VERSION are also set by this function, and their
+# values depend on if we try to use Python 3 or Python 2.
+DeterminePythonVersion() {
+  # Arguments: "NOCRASH" if we shouldn't crash if we don't find a good python
+  #
+  # If no Python is found, PYVER is set to 0.
+  if [ "$USE_PYTHON_3" = 1 ]; then
+    MIN_PYVER=$MIN_PYVER3
+    MIN_PYTHON_VERSION=$MIN_PYTHON_3_VERSION
+    for LE_PYTHON in "$LE_PYTHON" python3; do
+      # Break (while keeping the LE_PYTHON value) if found.
+      $EXISTS "$LE_PYTHON" > /dev/null && break
+    done
+  else
+    MIN_PYVER=$MIN_PYVER2
+    MIN_PYTHON_VERSION=$MIN_PYTHON_2_VERSION
+    for LE_PYTHON in "$LE_PYTHON" python2.7 python27 python2 python; do
+      # Break (while keeping the LE_PYTHON value) if found.
+      $EXISTS "$LE_PYTHON" > /dev/null && break
+    done
+  fi
+  if [ "$?" != "0" ]; then
+    if [ "$1" != "NOCRASH" ]; then
+      error "Cannot find any Pythons; please install one!"
+      exit 1
+    else
+      PYVER=0
+      return 0
+    fi
+  fi
+
+  PYVER=$("$LE_PYTHON" -V 2>&1 | cut -d" " -f 2 | cut -d. -f1,2 | sed 's/\.//')
+  if [ "$PYVER" -lt "$MIN_PYVER" ]; then
+    if [ "$1" != "NOCRASH" ]; then
+      error "You have an ancient version of Python entombed in your operating system..."
+      error "This isn't going to work; you'll need at least version $MIN_PYTHON_VERSION."
+      exit 1
+    fi
+  fi
+}
+
+BootstrapDebCommon() {
+  # Current version tested with:
+  #
+  # - Ubuntu
+  #     - 14.04 (x64)
+  #     - 15.04 (x64)
+  # - Debian
+  #     - 7.9 "wheezy" (x64)
+  #     - sid (2015-10-21) (x64)
+
+  # Past versions tested with:
+  #
+  # - Debian 8.0 "jessie" (x64)
+  # - Raspbian 7.8 (armhf)
+
+  # Believed not to work:
+  #
+  # - Debian 6.0.10 "squeeze" (x64)
+
+  if [ "$QUIET" = 1 ]; then
+    QUIET_FLAG='-qq'
+  fi
+
+  apt-get $QUIET_FLAG update || error apt-get update hit problems but continuing anyway...
+
+  # virtualenv binary can be found in different packages depending on
+  # distro version (#346)
+
+  virtualenv=
+  # virtual env is known to apt and is installable
+  if apt-cache show virtualenv > /dev/null 2>&1 ; then
+    if ! LC_ALL=C apt-cache --quiet=0 show virtualenv 2>&1 | grep -q 'No packages found'; then
+      virtualenv="virtualenv"
+    fi
+  fi
+
+  if apt-cache show python-virtualenv > /dev/null 2>&1; then
+    virtualenv="$virtualenv python-virtualenv"
+  fi
+
+  augeas_pkg="libaugeas0 augeas-lenses"
+
+  if [ "$ASSUME_YES" = 1 ]; then
+    YES_FLAG="-y"
+  fi
+
+  apt-get install $QUIET_FLAG $YES_FLAG --no-install-recommends \
+    python \
+    python-dev \
+    $virtualenv \
+    gcc \
+    $augeas_pkg \
+    libssl-dev \
+    openssl \
+    libffi-dev \
+    ca-certificates \
+
+
+  if ! $EXISTS virtualenv > /dev/null ; then
+    error Failed to install a working \"virtualenv\" command, exiting
+    exit 1
+  fi
+}
+
+# If new packages are installed by BootstrapRpmCommonBase below, version
+# numbers in rpm_common.sh and rpm_python3.sh must be increased.
+
+# Sets TOOL to the name of the package manager
+# Sets appropriate values for YES_FLAG and QUIET_FLAG based on $ASSUME_YES and $QUIET_FLAG.
+# Note: this function is called both while selecting the bootstrap scripts and
+# during the actual bootstrap. Some things like prompting to user can be done in the latter
+# case, but not in the former one.
+InitializeRPMCommonBase() {
+  if type dnf 2>/dev/null
+  then
+    TOOL=dnf
+  elif type yum 2>/dev/null
+  then
+    TOOL=yum
+
+  else
+    error "Neither yum nor dnf found. Aborting bootstrap!"
+    exit 1
+  fi
+
+  if [ "$ASSUME_YES" = 1 ]; then
+    YES_FLAG="-y"
+  fi
+  if [ "$QUIET" = 1 ]; then
+    QUIET_FLAG='--quiet'
+  fi
+}
+
+BootstrapRpmCommonBase() {
+  # Arguments: whitespace-delimited python packages to install
+
+  InitializeRPMCommonBase # This call is superfluous in practice
+
+  pkgs="
+    gcc
+    augeas-libs
+    openssl
+    openssl-devel
+    libffi-devel
+    redhat-rpm-config
+    ca-certificates
+  "
+
+  # Add the python packages
+  pkgs="$pkgs
+    $1
+  "
+
+  if $TOOL list installed "httpd" >/dev/null 2>&1; then
+    pkgs="$pkgs
+      mod_ssl
+    "
+  fi
+
+  if ! $TOOL install $YES_FLAG $QUIET_FLAG $pkgs; then
+    error "Could not install OS dependencies. Aborting bootstrap!"
+    exit 1
+  fi
+}
+
+# If new packages are installed by BootstrapRpmCommon below, this version
+# number must be increased.
+BOOTSTRAP_RPM_COMMON_VERSION=1
+
+BootstrapRpmCommon() {
+  # Tested with:
+  #   - Fedora 20, 21, 22, 23 (x64)
+  #   - Centos 7 (x64: on DigitalOcean droplet)
+  #   - CentOS 7 Minimal install in a Hyper-V VM
+  #   - CentOS 6
+
+  InitializeRPMCommonBase
+
+  # Most RPM distros use the "python" or "python-" naming convention.  Let's try that first.
+  if $TOOL list python >/dev/null 2>&1; then
+    python_pkgs="$python
+      python-devel
+      python-virtualenv
+      python-tools
+      python-pip
+    "
+  # Fedora 26 starts to use the prefix python2 for python2 based packages.
+  # this elseif is theoretically for any Fedora over version 26:
+  elif $TOOL list python2 >/dev/null 2>&1; then
+    python_pkgs="$python2
+      python2-libs
+      python2-setuptools
+      python2-devel
+      python2-virtualenv
+      python2-tools
+      python2-pip
+    "
+  # Some distros and older versions of current distros use a "python27"
+  # instead of the "python" or "python-" naming convention.
+  else
+    python_pkgs="$python27
+      python27-devel
+      python27-virtualenv
+      python27-tools
+      python27-pip
+    "
+  fi
+
+  BootstrapRpmCommonBase "$python_pkgs"
+}
+
+# If new packages are installed by BootstrapRpmPython3 below, this version
+# number must be increased.
+BOOTSTRAP_RPM_PYTHON3_LEGACY_VERSION=1
+
+# Checks if rh-python36 can be installed.
+Python36SclIsAvailable() {
+  InitializeRPMCommonBase >/dev/null 2>&1;
+
+  if "${TOOL}" list rh-python36 >/dev/null 2>&1; then
+    return 0
+  fi
+  if "${TOOL}" list centos-release-scl >/dev/null 2>&1; then
+    return 0
+  fi
+  return 1
+}
+
+# Try to enable rh-python36 from SCL if it is necessary and possible.
+EnablePython36SCL() {
+  if "$EXISTS" python3.6 > /dev/null 2> /dev/null; then
+      return 0
+  fi
+  if [ ! -f /opt/rh/rh-python36/enable ]; then
+      return 0
+  fi
+  set +e
+  if ! . /opt/rh/rh-python36/enable; then
+    error 'Unable to enable rh-python36!'
+    exit 1
+  fi
+  set -e
+}
+
+# This bootstrap concerns old RedHat-based distributions that do not ship by default
+# with Python 2.7, but only Python 2.6. We bootstrap them by enabling SCL and installing
+# Python 3.6. Some of these distributions are: CentOS/RHEL/OL/SL 6.
+BootstrapRpmPython3Legacy() {
+  # Tested with:
+  #   - CentOS 6
+
+  InitializeRPMCommonBase
+
+  if ! "${TOOL}" list rh-python36 >/dev/null 2>&1; then
+    echo "To use Certbot on this operating system, packages from the SCL repository need to be installed."
+    if ! "${TOOL}" list centos-release-scl >/dev/null 2>&1; then
+      error "Enable the SCL repository and try running Certbot again."
+      exit 1
+    fi
+    if [ "${ASSUME_YES}" = 1 ]; then
+      /bin/echo -n "Enabling the SCL repository in 3 seconds... (Press Ctrl-C to cancel)"
+      sleep 1s
+      /bin/echo -ne "\e[0K\rEnabling the SCL repository in 2 seconds... (Press Ctrl-C to cancel)"
+      sleep 1s
+      /bin/echo -e "\e[0K\rEnabling the SCL repository in 1 second... (Press Ctrl-C to cancel)"
+      sleep 1s
+    fi
+    if ! "${TOOL}" install "${YES_FLAG}" "${QUIET_FLAG}" centos-release-scl; then
+      error "Could not enable SCL. Aborting bootstrap!"
+      exit 1
+    fi
+  fi
+
+  # CentOS 6 must use rh-python36 from SCL
+  if "${TOOL}" list rh-python36 >/dev/null 2>&1; then
+    python_pkgs="rh-python36-python
+      rh-python36-python-virtualenv
+      rh-python36-python-devel
+    "
+  else
+    error "No supported Python package available to install. Aborting bootstrap!"
+    exit 1
+  fi
+
+  BootstrapRpmCommonBase "${python_pkgs}"
+
+  # Enable SCL rh-python36 after bootstrapping.
+  EnablePython36SCL
+}
+
+# If new packages are installed by BootstrapRpmPython3 below, this version
+# number must be increased.
+BOOTSTRAP_RPM_PYTHON3_VERSION=1
+
+BootstrapRpmPython3() {
+  # Tested with:
+  #   - Fedora 29
+
+  InitializeRPMCommonBase
+
+  # Fedora 29 must use python3-virtualenv
+  if $TOOL list python3-virtualenv >/dev/null 2>&1; then
+    python_pkgs="python3
+      python3-virtualenv
+      python3-devel
+    "
+  else
+    error "No supported Python package available to install. Aborting bootstrap!"
+    exit 1
+  fi
+
+  BootstrapRpmCommonBase "$python_pkgs"
+}
+
+# Set Bootstrap to the function that installs OS dependencies on this system.
+if [ -f /etc/debian_version ]; then
+  Bootstrap() {
+    BootstrapMessage "Debian-based OSes"
+    BootstrapDebCommon
+  }
+elif [ -f /etc/redhat-release ]; then
+  # Run DeterminePythonVersion to decide on the basis of available Python versions
+  # whether to use 2.x or 3.x on RedHat-like systems.
+  # Then, revert LE_PYTHON to its previous state.
+  prev_le_python="$LE_PYTHON"
+  unset LE_PYTHON
+  DeterminePythonVersion "NOCRASH"
+
+  RPM_DIST_NAME=`(. /etc/os-release 2> /dev/null && echo $ID) || echo "unknown"`
+
+  # Set RPM_DIST_VERSION to VERSION_ID from /etc/os-release after splitting on
+  # '.' characters (e.g. "8.0" becomes "8"). If the command exits with an
+  # error, RPM_DIST_VERSION is set to "unknown".
+  RPM_DIST_VERSION=$( (. /etc/os-release 2> /dev/null && echo "$VERSION_ID") | cut -d '.' -f1 || echo "unknown")
+
+  # If RPM_DIST_VERSION is an empty string or it contains any nonnumeric
+  # characters, the value is unexpected so we set RPM_DIST_VERSION to 0.
+  if [ -z "$RPM_DIST_VERSION" ] || [ -n "$(echo "$RPM_DIST_VERSION" | tr -d '[0-9]')" ]; then
+     RPM_DIST_VERSION=0
+  fi
+
+  # Handle legacy RPM distributions
+  if [ "$PYVER" -eq 26 ]; then
+    # Check if an automated bootstrap can be achieved on this system.
+    if ! Python36SclIsAvailable; then
+      INTERACTIVE_BOOTSTRAP=1
+    fi
+
+    Bootstrap() {
+      BootstrapMessage "Legacy RedHat-based OSes that will use Python3"
+      BootstrapRpmPython3Legacy
+    }
+    USE_PYTHON_3=1
+
+    # Try now to enable SCL rh-python36 for systems already bootstrapped
+    # NB: EnablePython36SCL has been defined along with BootstrapRpmPython3Legacy in certbot-auto
+    EnablePython36SCL
+  else
+    # Starting to Fedora 29, python2 is on a deprecation path. Let's move to python3 then.
+    # RHEL 8 also uses python3 by default.
+    if [ "$RPM_DIST_NAME" = "fedora" -a "$RPM_DIST_VERSION" -ge 29 ]; then
+      RPM_USE_PYTHON_3=1
+    elif [ "$RPM_DIST_NAME" = "rhel" -a "$RPM_DIST_VERSION" -ge 8 ]; then
+      RPM_USE_PYTHON_3=1
+    elif [ "$RPM_DIST_NAME" = "centos" -a "$RPM_DIST_VERSION" -ge 8 ]; then
+      RPM_USE_PYTHON_3=1
+    else
+      RPM_USE_PYTHON_3=0
+    fi
+
+    if [ "$RPM_USE_PYTHON_3" = 1 ]; then
+      Bootstrap() {
+        BootstrapMessage "RedHat-based OSes that will use Python3"
+        BootstrapRpmPython3
+      }
+      USE_PYTHON_3=1
+    else
+      Bootstrap() {
+        BootstrapMessage "RedHat-based OSes"
+        BootstrapRpmCommon
+      }
+    fi
+  fi
+
+  LE_PYTHON="$prev_le_python"
+fi
+
+Bootstrap