Files
troubleshoot/.devcontainer/library-scripts/python-debian.sh
2021-11-11 20:57:54 +00:00

308 lines
12 KiB
Bash

#!/usr/bin/env bash
#-------------------------------------------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See https://go.microsoft.com/fwlink/?linkid=2090316 for license information.
#-------------------------------------------------------------------------------------------------------------
#
# Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/python.md
# Maintainer: The VS Code and Codespaces Teams
#
# Syntax: ./python-debian.sh [Python Version] [Python intall path] [PIPX_HOME] [non-root user] [Update rc files flag] [install tools]
PYTHON_VERSION=${1:-"latest"}
PYTHON_INSTALL_PATH=${2:-"/usr/local/python"}
export PIPX_HOME=${3:-"/usr/local/py-utils"}
USERNAME=${4:-"automatic"}
UPDATE_RC=${5:-"true"}
INSTALL_PYTHON_TOOLS=${6:-"true"}
USE_PPA_IF_AVAILABLE=${7:-"true"}
DEADSNAKES_PPA_ARCHIVE_GPG_KEY="F23C5A6CF475977595C89F51BA6932366A755776"
PYTHON_SOURCE_GPG_KEYS="64E628F8D684696D B26995E310250568 2D347EA6AA65421D FB9921286F5E1540 3A5CA953F73C700D 04C367C218ADD4FF 0EDDC5F26A45C816 6AF053F07D9DC8D2 C9BE28DEE6DF025C 126EB563A74B06BF D9866941EA5BBD71 ED9D77D5"
GPG_KEY_SERVERS="keyserver hkp://keyserver.ubuntu.com:80
keyserver hkps://keys.openpgp.org
keyserver hkp://keyserver.pgp.com"
set -e
if [ "$(id -u)" -ne 0 ]; then
echo -e 'Script must be run as root. Use sudo, su, or add "USER root" to your Dockerfile before running this script.'
exit 1
fi
# Ensure that login shells get the correct path if the user updated the PATH using ENV.
rm -f /etc/profile.d/00-restore-env.sh
echo "export PATH=${PATH//$(sh -lc 'echo $PATH')/\$PATH}" > /etc/profile.d/00-restore-env.sh
chmod +x /etc/profile.d/00-restore-env.sh
# Determine the appropriate non-root user
if [ "${USERNAME}" = "auto" ] || [ "${USERNAME}" = "automatic" ]; then
USERNAME=""
POSSIBLE_USERS=("vscode" "node" "codespace" "$(awk -v val=1000 -F ":" '$3==val{print $1}' /etc/passwd)")
for CURRENT_USER in ${POSSIBLE_USERS[@]}; do
if id -u ${CURRENT_USER} > /dev/null 2>&1; then
USERNAME=${CURRENT_USER}
break
fi
done
if [ "${USERNAME}" = "" ]; then
USERNAME=root
fi
elif [ "${USERNAME}" = "none" ] || ! id -u ${USERNAME} > /dev/null 2>&1; then
USERNAME=root
fi
updaterc() {
if [ "${UPDATE_RC}" = "true" ]; then
echo "Updating /etc/bash.bashrc and /etc/zsh/zshrc..."
echo -e "$1" >> /etc/bash.bashrc
if [ -f "/etc/zsh/zshrc" ]; then
echo -e "$1" >> /etc/zsh/zshrc
fi
fi
}
# Get central common setting
get_common_setting() {
if [ "${common_settings_file_loaded}" != "true" ]; then
curl -sfL "https://aka.ms/vscode-dev-containers/script-library/settings.env" 2>/dev/null -o /tmp/vsdc-settings.env || echo "Could not download settings file. Skipping."
common_settings_file_loaded=true
fi
if [ -f "/tmp/vsdc-settings.env" ]; then
local multi_line=""
if [ "$2" = "true" ]; then multi_line="-z"; fi
local result="$(grep ${multi_line} -oP "$1=\"?\K[^\"]+" /tmp/vsdc-settings.env | tr -d '\0')"
if [ ! -z "${result}" ]; then declare -g $1="${result}"; fi
fi
echo "$1=${!1}"
}
# Import the specified key in a variable name passed in as
receive_gpg_keys() {
get_common_setting $1
local keys=${!1}
get_common_setting GPG_KEY_SERVERS true
local keyring_args=""
if [ ! -z "$2" ]; then
mkdir -p "$(dirname \"$2\")"
keyring_args="--no-default-keyring --keyring $2"
fi
# Use a temporary locaiton for gpg keys to avoid polluting image
export GNUPGHOME="/tmp/tmp-gnupg"
mkdir -p ${GNUPGHOME}
chmod 700 ${GNUPGHOME}
echo -e "disable-ipv6\n${GPG_KEY_SERVERS}" > ${GNUPGHOME}/dirmngr.conf
# GPG key download sometimes fails for some reason and retrying fixes it.
local retry_count=0
local gpg_ok="false"
set +e
until [ "${gpg_ok}" = "true" ] || [ "${retry_count}" -eq "5" ];
do
echo "(*) Downloading GPG key..."
( echo "${keys}" | xargs -n 1 gpg -q ${keyring_args} --recv-keys) 2>&1 && gpg_ok="true"
if [ "${gpg_ok}" != "true" ]; then
echo "(*) Failed getting key, retring in 10s..."
(( retry_count++ ))
sleep 10s
fi
done
set -e
if [ "${gpg_ok}" = "false" ]; then
echo "(!) Failed to install rvm."
exit 1
fi
}
# Figure out correct version of a three part version number is not passed
find_version_from_git_tags() {
local variable_name=$1
local requested_version=${!variable_name}
if [ "${requested_version}" = "none" ]; then return; fi
local repository=$2
local prefix=${3:-"tags/v"}
local separator=${4:-"."}
local last_part_optional=${5:-"false"}
if [ "$(echo "${requested_version}" | grep -o "." | wc -l)" != "2" ]; then
local escaped_separator=${separator//./\\.}
local last_part
if [ "${last_part_optional}" = "true" ]; then
last_part="(${escaped_separator}[0-9]+)?"
else
last_part="${escaped_separator}[0-9]+"
fi
local regex="${prefix}\\K[0-9]+${escaped_separator}[0-9]+${last_part}$"
local version_list="$(git ls-remote --tags ${repository} | grep -oP "${regex}" | tr -d ' ' | tr "${separator}" "." | sort -rV)"
if [ "${requested_version}" = "latest" ] || [ "${requested_version}" = "current" ] || [ "${requested_version}" = "lts" ]; then
declare -g ${variable_name}="$(echo "${version_list}" | head -n 1)"
else
set +e
declare -g ${variable_name}="$(echo "${version_list}" | grep -E -m 1 "^${requested_version//./\\.}([\\.\\s]|$)")"
set -e
fi
fi
if [ -z "${!variable_name}" ] || ! echo "${version_list}" | grep "^${!variable_name//./\\.}$" > /dev/null 2>&1; then
echo -e "Invalid ${variable_name} value: ${requested_version}\nValid values:\n${version_list}" >&2
exit 1
fi
echo "${variable_name}=${!variable_name}"
}
# Function to run apt-get if needed
apt_get_update_if_needed()
{
if [ ! -d "/var/lib/apt/lists" ] || [ "$(ls /var/lib/apt/lists/ | wc -l)" = "0" ]; then
echo "Running apt-get update..."
apt-get update
else
echo "Skipping apt-get update."
fi
}
# Checks if packages are installed and installs them if not
check_packages() {
if ! dpkg -s "$@" > /dev/null 2>&1; then
apt_get_update_if_needed
apt-get -y install --no-install-recommends "$@"
fi
}
install_from_ppa() {
local requested_version="python${PYTHON_VERSION}"
echo "Using PPA to install Python..."
check_packages apt-transport-https curl ca-certificates gnupg2
receive_gpg_keys DEADSNAKES_PPA_ARCHIVE_GPG_KEY /usr/share/keyrings/deadsnakes-archive-keyring.gpg
echo -e "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/deadsnakes-archive-keyring.gpg] http://ppa.launchpad.net/deadsnakes/ppa/ubuntu ${VERSION_CODENAME} main\ndeb-src [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/deadsnakes-archive-keyring.gpg] http://ppa.launchpad.net/deadsnakes/ppa/ubuntu ${VERSION_CODENAME} main" > /etc/apt/sources.list.d/deadsnakes-ppa.list
apt-get update
if [ "${PYTHON_VERSION}" = "latest" ] || [ "${PYTHON_VERSION}" = "current" ] || [ "${PYTHON_VERSION}" = "lts" ]; then
requested_version="$(apt-cache search '^python3\.[0-9]$' | grep -oE '^python3\.[0-9]' | sort -rV | head -n 1)"
echo "Using ${requested_version} in place of ${PYTHON_VERSION}."
fi
apt-get -y install ${requested_version}
rm -rf /tmp/tmp-gnupg
exit 0
}
install_from_source() {
if [ -d "${PYTHON_INSTALL_PATH}" ]; then
echo "Path ${PYTHON_INSTALL_PATH} already exists. Remove this existing path or select a different one."
exit 1
else
echo "Building Python ${PYTHON_VERSION} from source..."
# Install prereqs if missing
check_packages curl ca-certificates tar make build-essential libssl-dev zlib1g-dev \
wget libbz2-dev libreadline-dev libxml2-dev xz-utils tk-dev gnupg2 \
libxmlsec1-dev libsqlite3-dev libffi-dev liblzma-dev llvm dirmngr
if ! type git > /dev/null 2>&1; then
apt_get_update_if_needed
apt-get -y install --no-install-recommends git
fi
# Find version using soft match
find_version_from_git_tags PYTHON_VERSION "https://github.com/python/cpython"
# Download tgz of source
mkdir -p /tmp/python-src "${PYTHON_INSTALL_PATH}"
cd /tmp/python-src
TGZ_FILENAME="Python-${PYTHON_VERSION}.tgz"
TGZ_URL="https://www.python.org/ftp/python/${PYTHON_VERSION}/${TGZ_FILENAME}"
echo "Downloading ${TGZ_FILENAME}..."
curl -sSL -o "/tmp/python-src/${TGZ_FILENAME}" "${TGZ_URL}"
# Verify signature
if [ "${SKIP_SIGNATURE_CHECK}" != "true" ]; then
receive_gpg_keys PYTHON_SOURCE_GPG_KEYS
echo "Downloading ${TGZ_FILENAME}.asc..."
curl -sSL -o "/tmp/python-src/${TGZ_FILENAME}.asc" "${TGZ_URL}.asc"
gpg --verify "${TGZ_FILENAME}.asc"
fi
# Update min protocol for testing only - https://bugs.python.org/issue41561
cp /etc/ssl/openssl.cnf /tmp/python-src/
sed -i -E 's/MinProtocol[=\ ]+.*/MinProtocol = TLSv1.0/g' /tmp/python-src/openssl.cnf
export OPENSSL_CONF=/tmp/python-src/openssl.cnf
# Untar and build
tar -xzf "/tmp/python-src/${TGZ_FILENAME}" -C "/tmp/python-src" --strip-components=1
./configure --prefix="${PYTHON_INSTALL_PATH}" --enable-optimizations --with-ensurepip=install
make -j 8
make install
cd /tmp
rm -rf /tmp/python-src ${GNUPGHOME} /tmp/vscdc-settings.env
chown -R ${USERNAME} "${PYTHON_INSTALL_PATH}"
ln -s ${PYTHON_INSTALL_PATH}/bin/python3 ${PYTHON_INSTALL_PATH}/bin/python
ln -s ${PYTHON_INSTALL_PATH}/bin/pip3 ${PYTHON_INSTALL_PATH}/bin/pip
ln -s ${PYTHON_INSTALL_PATH}/bin/idle3 ${PYTHON_INSTALL_PATH}/bin/idle
ln -s ${PYTHON_INSTALL_PATH}/bin/pydoc3 ${PYTHON_INSTALL_PATH}/bin/pydoc
ln -s ${PYTHON_INSTALL_PATH}/bin/python3-config ${PYTHON_INSTALL_PATH}/bin/python-config
updaterc "export PATH=${PYTHON_INSTALL_PATH}/bin:\${PATH}"
fi
}
# Ensure apt is in non-interactive to avoid prompts
export DEBIAN_FRONTEND=noninteractive
# Install python from source if needed
if [ "${PYTHON_VERSION}" != "none" ]; then
# Source /etc/os-release to get OS info
. /etc/os-release
# If ubuntu, PPAs allowed - install from there
if [ "${ID}" = "ubuntu" ] && [ "${USE_PPA_IF_AVAILABLE}" = "true" ]; then
install_from_ppa
else
install_from_source
fi
fi
# If not installing python tools, exit
if [ "${INSTALL_PYTHON_TOOLS}" != "true" ]; then
echo "Done!"
exit 0;
fi
DEFAULT_UTILS="\
pylint \
flake8 \
autopep8 \
black \
yapf \
mypy \
pydocstyle \
pycodestyle \
bandit \
pipenv \
virtualenv"
export PIPX_BIN_DIR=${PIPX_HOME}/bin
export PATH=${PYTHON_INSTALL_PATH}/bin:${PIPX_BIN_DIR}:${PATH}
# Update pip
echo "Updating pip..."
python3 -m pip install --no-cache-dir --upgrade pip
# Create pipx group, dir, and set sticky bit
if ! cat /etc/group | grep -e "^pipx:" > /dev/null 2>&1; then
groupadd -r pipx
fi
usermod -a -G pipx ${USERNAME}
umask 0002
mkdir -p ${PIPX_BIN_DIR}
chown :pipx ${PIPX_HOME} ${PIPX_BIN_DIR}
chmod g+s ${PIPX_HOME} ${PIPX_BIN_DIR}
# Install tools
echo "Installing Python tools..."
export PYTHONUSERBASE=/tmp/pip-tmp
export PIP_CACHE_DIR=/tmp/pip-tmp/cache
pip3 install --disable-pip-version-check --no-warn-script-location --no-cache-dir --user pipx
/tmp/pip-tmp/bin/pipx install --pip-args=--no-cache-dir pipx
echo "${DEFAULT_UTILS}" | xargs -n 1 /tmp/pip-tmp/bin/pipx install --system-site-packages --pip-args '--no-cache-dir --force-reinstall'
rm -rf /tmp/pip-tmp
updaterc "$(cat << EOF
export PIPX_HOME="${PIPX_HOME}"
export PIPX_BIN_DIR="${PIPX_BIN_DIR}"
if [[ "\${PATH}" != *"\${PIPX_BIN_DIR}"* ]]; then export PATH="\${PATH}:\${PIPX_BIN_DIR}"; fi
EOF
)"