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# syntax=docker/dockerfile:1.4
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# THIS DOCKERFILE IS INTENDED FOR PRODUCTION USE AND DEPLOYMENT.
# NOTE! IT IS ALPHA-QUALITY FOR NOW - WE ARE IN A PROCESS OF TESTING IT
#
#
# This is a multi-segmented image. It actually contains two images:
#
# airflow-build-image - there all airflow dependencies can be installed (and
# built - for those dependencies that require
# build essentials). Airflow is installed there with
# --user switch so that all the dependencies are
# installed to ${HOME}/.local
#
# main - this is the actual production image that is much
# smaller because it does not contain all the build
# essentials. Instead the ${HOME}/.local folder
# is copied from the build-image - this way we have
# only result of installation and we do not need
# all the build essentials. This makes the image
# much smaller.
#
# Use the same builder frontend version for everyone
ARG AIRFLOW_EXTRAS="amazon,async,celery,cncf.kubernetes,dask,docker,elasticsearch,ftp,google,google_auth,grpc,hashicorp,http,ldap,microsoft.azure,mysql,odbc,pandas,postgres,redis,sendgrid,sftp,slack,ssh,statsd,virtualenv"
ARG ADDITIONAL_AIRFLOW_EXTRAS=""
ARG ADDITIONAL_PYTHON_DEPS=""
ARG AIRFLOW_HOME=/opt/airflow
ARG AIRFLOW_UID="50000"
ARG AIRFLOW_USER_HOME_DIR=/home/airflow
# latest released version here
ARG AIRFLOW_VERSION="2.3.3"
ARG PYTHON_BASE_IMAGE="python:3.7-slim-bullseye"
ARG AIRFLOW_PIP_VERSION=22.1.2
ARG AIRFLOW_IMAGE_REPOSITORY="https://github.com/apache/airflow"
ARG AIRFLOW_IMAGE_README_URL="https://raw.githubusercontent.com/apache/airflow/main/docs/docker-stack/README.md"
# By default latest released version of airflow is installed (when empty) but this value can be overridden
# and we can install version according to specification (For example ==2.0.2 or <3.0.0).
ARG AIRFLOW_VERSION_SPECIFICATION=""
# By default PIP has progress bar but you can disable it.
ARG PIP_PROGRESS_BAR="on"
##############################################################################################
# This is the script image where we keep all inlined bash scripts needed in other segments
##############################################################################################
FROM scratch as scripts
##############################################################################################
# Please DO NOT modify the inlined scripts manually. The content of those files will be
# replaced by pre-commit automatically from the "scripts/docker/" folder.
# This is done in order to avoid problems with caching and file permissions and in order to
# make the PROD Dockerfile standalone
##############################################################################################
# The content below is automatically copied from scripts/docker/determine_debian_version_specific_variables.sh
COPY <<"EOF" /determine_debian_version_specific_variables.sh
function determine_debian_version_specific_variables() {
local color_red
color_red=$'\e[31m'
local color_reset
color_reset=$'\e[0m'
local debian_version
debian_version=$(lsb_release -cs)
if [[ ${debian_version} == "buster" ]]; then
export DISTRO_LIBENCHANT="libenchant-dev"
export DISTRO_LIBGCC="libgcc-8-dev"
export DISTRO_SELINUX="python-selinux"
export DISTRO_LIBFFI="libffi6"
# Note missing man directories on debian-buster
# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863199
mkdir -pv /usr/share/man/man1
mkdir -pv /usr/share/man/man7
elif [[ ${debian_version} == "bullseye" ]]; then
export DISTRO_LIBENCHANT="libenchant-2-2"
export DISTRO_LIBGCC="libgcc-10-dev"
export DISTRO_SELINUX="python3-selinux"
export DISTRO_LIBFFI="libffi7"
else
echo
echo "${color_red}Unknown distro version ${debian_version}${color_reset}"
echo
exit 1
fi
}
determine_debian_version_specific_variables
EOF
# The content below is automatically copied from scripts/docker/install_mysql.sh
COPY <<"EOF" /install_mysql.sh
set -euo pipefail
declare -a packages
MYSQL_VERSION="8.0"
readonly MYSQL_VERSION
COLOR_BLUE=$'\e[34m'
readonly COLOR_BLUE
COLOR_RESET=$'\e[0m'
readonly COLOR_RESET
: "${INSTALL_MYSQL_CLIENT:?Should be true or false}"
install_mysql_client() {
if [[ "${1}" == "dev" ]]; then
packages=("libmysqlclient-dev" "mysql-client")
elif [[ "${1}" == "prod" ]]; then
packages=("libmysqlclient21" "mysql-client")
else
echo
echo "Specify either prod or dev"
echo
exit 1
fi
echo
echo "${COLOR_BLUE}Installing mysql client version ${MYSQL_VERSION}: ${1}${COLOR_RESET}"
echo
local key="467B942D3A79BD29"
readonly key
GNUPGHOME="$(mktemp -d)"
export GNUPGHOME
set +e
for keyserver in $(shuf -e ha.pool.sks-keyservers.net hkp://p80.pool.sks-keyservers.net:80 \
keyserver.ubuntu.com hkp://keyserver.ubuntu.com:80)
do
gpg --keyserver "${keyserver}" --recv-keys "${key}" 2>&1 && break
done
set -e
gpg --export "${key}" > /etc/apt/trusted.gpg.d/mysql.gpg
gpgconf --kill all
rm -rf "${GNUPGHOME}"
unset GNUPGHOME
echo "deb http://repo.mysql.com/apt/debian/ $(lsb_release -cs) mysql-${MYSQL_VERSION}" > /etc/apt/sources.list.d/mysql.list
apt-get update
apt-get install --no-install-recommends -y "${packages[@]}"
apt-get autoremove -yqq --purge
apt-get clean && rm -rf /var/lib/apt/lists/*
}
if [[ $(uname -m) == "arm64" || $(uname -m) == "aarch64" ]]; then
# disable MYSQL for ARM64
INSTALL_MYSQL_CLIENT="false"
fi
if [[ ${INSTALL_MYSQL_CLIENT:="true"} == "true" ]]; then
install_mysql_client "${@}"
fi
EOF
# The content below is automatically copied from scripts/docker/install_mssql.sh
COPY <<"EOF" /install_mssql.sh
set -euo pipefail
: "${INSTALL_MSSQL_CLIENT:?Should be true or false}"
COLOR_BLUE=$'\e[34m'
readonly COLOR_BLUE
COLOR_YELLOW=$'\e[33m'
readonly COLOR_YELLOW
COLOR_RESET=$'\e[0m'
readonly COLOR_RESET
function install_mssql_client() {
# Install MsSQL client from Microsoft repositories
if [[ ${INSTALL_MSSQL_CLIENT:="true"} != "true" ]]; then
echo
echo "${COLOR_BLUE}Skip installing mssql client${COLOR_RESET}"
echo
return
fi
echo
echo "${COLOR_BLUE}Installing mssql client${COLOR_RESET}"
echo
local distro
local version
distro=$(lsb_release -is | tr '[:upper:]' '[:lower:]')
version_name=$(lsb_release -cs | tr '[:upper:]' '[:lower:]')
version=$(lsb_release -rs)
local driver
if [[ ${version_name} == "buster" ]]; then
driver=msodbcsql17
elif [[ ${version_name} == "bullseye" ]]; then
driver=msodbcsql18
else
echo
echo "${COLOR_YELLOW}Only Buster or Bullseye are supported. Skipping MSSQL installation${COLOR_RESET}"
echo
return
fi
curl --silent https://packages.microsoft.com/keys/microsoft.asc | apt-key add - >/dev/null 2>&1
curl --silent "https://packages.microsoft.com/config/${distro}/${version}/prod.list" > \
/etc/apt/sources.list.d/mssql-release.list
apt-get update -yqq
apt-get upgrade -yqq
ACCEPT_EULA=Y apt-get -yqq install -y --no-install-recommends "${driver}"
rm -rf /var/lib/apt/lists/*
apt-get autoremove -yqq --purge
apt-get clean && rm -rf /var/lib/apt/lists/*
}
if [[ $(uname -m) == "arm64" || $(uname -m) == "aarch64" ]]; then
# disable MSSQL for ARM64
INSTALL_MSSQL_CLIENT="false"
fi
install_mssql_client "${@}"
EOF
# The content below is automatically copied from scripts/docker/install_postgres.sh
COPY <<"EOF" /install_postgres.sh
set -euo pipefail
declare -a packages
COLOR_BLUE=$'\e[34m'
readonly COLOR_BLUE
COLOR_RESET=$'\e[0m'
readonly COLOR_RESET
: "${INSTALL_POSTGRES_CLIENT:?Should be true or false}"
install_postgres_client() {
echo
echo "${COLOR_BLUE}Installing postgres client${COLOR_RESET}"
echo
if [[ "${1}" == "dev" ]]; then
packages=("libpq-dev" "postgresql-client")
elif [[ "${1}" == "prod" ]]; then
packages=("postgresql-client")
else
echo
echo "Specify either prod or dev"
echo
exit 1
fi
curl https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
echo "deb https://apt.postgresql.org/pub/repos/apt/ $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list
apt-get update
apt-get install --no-install-recommends -y "${packages[@]}"
apt-get autoremove -yqq --purge
apt-get clean && rm -rf /var/lib/apt/lists/*
}
if [[ ${INSTALL_POSTGRES_CLIENT:="true"} == "true" ]]; then
install_postgres_client "${@}"
fi
EOF
# The content below is automatically copied from scripts/docker/install_pip_version.sh
COPY <<"EOF" /install_pip_version.sh
. "$( dirname "${BASH_SOURCE[0]}" )/common.sh"
: "${AIRFLOW_PIP_VERSION:?Should be set}"
function install_pip_version() {
echo
echo "${COLOR_BLUE}Installing pip version ${AIRFLOW_PIP_VERSION}${COLOR_RESET}"
echo
pip install --disable-pip-version-check --no-cache-dir --upgrade "pip==${AIRFLOW_PIP_VERSION}" &&
mkdir -p ${HOME}/.local/bin
}
common::get_colors
common::get_airflow_version_specification
common::override_pip_version_if_needed
common::show_pip_version_and_location
install_pip_version
EOF
# The content below is automatically copied from scripts/docker/install_airflow_dependencies_from_branch_tip.sh
COPY <<"EOF" /install_airflow_dependencies_from_branch_tip.sh
. "$( dirname "${BASH_SOURCE[0]}" )/common.sh"
: "${AIRFLOW_REPO:?Should be set}"
: "${AIRFLOW_BRANCH:?Should be set}"
: "${INSTALL_MYSQL_CLIENT:?Should be true or false}"
: "${INSTALL_POSTGRES_CLIENT:?Should be true or false}"
: "${AIRFLOW_PIP_VERSION:?Should be set}"
function install_airflow_dependencies_from_branch_tip() {
echo
echo "${COLOR_BLUE}Installing airflow from ${AIRFLOW_BRANCH}. It is used to cache dependencies${COLOR_RESET}"
echo
if [[ ${INSTALL_MYSQL_CLIENT} != "true" ]]; then
AIRFLOW_EXTRAS=${AIRFLOW_EXTRAS/mysql,}
fi
if [[ ${INSTALL_POSTGRES_CLIENT} != "true" ]]; then
AIRFLOW_EXTRAS=${AIRFLOW_EXTRAS/postgres,}
fi
# Install latest set of dependencies using constraints. In case constraints were upgraded and there
# are conflicts, this might fail, but it should be fixed in the following installation steps
set -x
pip install --root-user-action ignore \
"https://github.com/${AIRFLOW_REPO}/archive/${AIRFLOW_BRANCH}.tar.gz#egg=apache-airflow[${AIRFLOW_EXTRAS}]" \
--constraint "${AIRFLOW_CONSTRAINTS_LOCATION}" || true
# make sure correct PIP version is used
pip install --disable-pip-version-check "pip==${AIRFLOW_PIP_VERSION}" 2>/dev/null
pip freeze | grep apache-airflow-providers | xargs pip uninstall --yes 2>/dev/null || true
set +x
echo
echo "${COLOR_BLUE}Uninstalling just airflow. Dependencies remain. Now target airflow can be reinstalled using mostly cached dependencies${COLOR_RESET}"
echo
pip uninstall --yes apache-airflow || true
}
common::get_colors
common::get_airflow_version_specification
common::override_pip_version_if_needed
common::get_constraints_location
common::show_pip_version_and_location
install_airflow_dependencies_from_branch_tip
EOF
# The content below is automatically copied from scripts/docker/common.sh
COPY <<"EOF" /common.sh
set -euo pipefail
function common::get_colors() {
COLOR_BLUE=$'\e[34m'
COLOR_GREEN=$'\e[32m'
COLOR_RED=$'\e[31m'
COLOR_RESET=$'\e[0m'
COLOR_YELLOW=$'\e[33m'
export COLOR_BLUE
export COLOR_GREEN
export COLOR_RED
export COLOR_RESET
export COLOR_YELLOW
}
function common::get_airflow_version_specification() {
if [[ -z ${AIRFLOW_VERSION_SPECIFICATION=}
&& -n ${AIRFLOW_VERSION}
&& ${AIRFLOW_INSTALLATION_METHOD} != "." ]]; then
AIRFLOW_VERSION_SPECIFICATION="==${AIRFLOW_VERSION}"
fi
}
function common::override_pip_version_if_needed() {
if [[ -n ${AIRFLOW_VERSION} ]]; then
if [[ ${AIRFLOW_VERSION} =~ ^2\.0.* || ${AIRFLOW_VERSION} =~ ^1\.* ]]; then
export AIRFLOW_PIP_VERSION="22.1.2"
fi
fi
}
function common::get_constraints_location() {
# auto-detect Airflow-constraint reference and location
if [[ -z "${AIRFLOW_CONSTRAINTS_REFERENCE=}" ]]; then
if [[ ${AIRFLOW_VERSION} =~ v?2.* && ! ${AIRFLOW_VERSION} =~ .*dev.* ]]; then
AIRFLOW_CONSTRAINTS_REFERENCE=constraints-${AIRFLOW_VERSION}
else
AIRFLOW_CONSTRAINTS_REFERENCE=${DEFAULT_CONSTRAINTS_BRANCH}
fi
fi
if [[ -z ${AIRFLOW_CONSTRAINTS_LOCATION=} ]]; then
local constraints_base="https://raw.githubusercontent.com/${CONSTRAINTS_GITHUB_REPOSITORY}/${AIRFLOW_CONSTRAINTS_REFERENCE}"
local python_version
python_version="$(python --version 2>/dev/stdout | cut -d " " -f 2 | cut -d "." -f 1-2)"
AIRFLOW_CONSTRAINTS_LOCATION="${constraints_base}/${AIRFLOW_CONSTRAINTS_MODE}-${python_version}.txt"
fi
}
function common::show_pip_version_and_location() {
echo "PATH=${PATH}"
echo "pip on path: $(which pip)"
echo "Using pip: $(pip --version)"
}
EOF
# The content below is automatically copied from scripts/docker/pip
COPY <<"EOF" /pip
#!/usr/bin/env bash
COLOR_RED=$'\e[31m'
COLOR_RESET=$'\e[0m'
COLOR_YELLOW=$'\e[33m'
if [[ $(id -u) == "0" ]]; then
echo
echo "${COLOR_RED}You are running pip as root. Please use 'airflow' user to run pip!${COLOR_RESET}"
echo
echo "${COLOR_YELLOW}See: https://airflow.apache.org/docs/docker-stack/build.html#adding-a-new-pypi-package${COLOR_RESET}"
echo
exit 1
fi
exec "${HOME}"/.local/bin/pip "${@}"
EOF
# The content below is automatically copied from scripts/docker/install_from_docker_context_files.sh
COPY <<"EOF" /install_from_docker_context_files.sh
. "$( dirname "${BASH_SOURCE[0]}" )/common.sh"
: "${AIRFLOW_PIP_VERSION:?Should be set}"
function install_airflow_and_providers_from_docker_context_files(){
if [[ ${INSTALL_MYSQL_CLIENT} != "true" ]]; then
AIRFLOW_EXTRAS=${AIRFLOW_EXTRAS/mysql,}
fi
if [[ ${INSTALL_POSTGRES_CLIENT} != "true" ]]; then
AIRFLOW_EXTRAS=${AIRFLOW_EXTRAS/postgres,}
fi
if [[ ! -d /docker-context-files ]]; then
echo
echo "${COLOR_RED}You must provide a folder via --build-arg DOCKER_CONTEXT_FILES=<FOLDER> and you missed it!${COLOR_RESET}"
echo
exit 1
fi
# shellcheck disable=SC2206
local pip_flags=(
# Don't quote this -- if it is empty we don't want it to create an
# empty array element
--find-links="file:///docker-context-files"
)
# Find Apache Airflow packages in docker-context files
local reinstalling_apache_airflow_package
reinstalling_apache_airflow_package=$(ls \
/docker-context-files/apache?airflow?[0-9]*.{whl,tar.gz} 2>/dev/null || true)
# Add extras when installing airflow
if [[ -n "${reinstalling_apache_airflow_package}" ]]; then
# When a provider depends on a dev version of Airflow, we need to
# specify `apache-airflow==$VER`, otherwise pip will look for it on
# pip, and fail to find it
# This will work as long as the wheel file is correctly named, which it
# will be if it was build by wheel tooling
local ver
ver=$(basename "$reinstalling_apache_airflow_package" | cut -d "-" -f 2)
reinstalling_apache_airflow_package="apache-airflow[${AIRFLOW_EXTRAS}]==$ver"
fi
# Find Apache Airflow packages in docker-context files
local reinstalling_apache_airflow_providers_packages
reinstalling_apache_airflow_providers_packages=$(ls \
/docker-context-files/apache?airflow?providers*.{whl,tar.gz} 2>/dev/null || true)
if [[ -z "${reinstalling_apache_airflow_package}" && \
-z "${reinstalling_apache_airflow_providers_packages}" ]]; then
return
fi
echo
echo "${COLOR_BLUE}Force re-installing airflow and providers from local files with eager upgrade${COLOR_RESET}"
echo
# force reinstall all airflow + provider package local files with eager upgrade
set -x
pip install "${pip_flags[@]}" --root-user-action ignore --upgrade --upgrade-strategy eager \
${reinstalling_apache_airflow_package} ${reinstalling_apache_airflow_providers_packages} \
${EAGER_UPGRADE_ADDITIONAL_REQUIREMENTS}
set +x
# make sure correct PIP version is left installed
pip install --disable-pip-version-check "pip==${AIRFLOW_PIP_VERSION}" 2>/dev/null
pip check
}
function install_all_other_packages_from_docker_context_files() {
echo
echo "${COLOR_BLUE}Force re-installing all other package from local files without dependencies${COLOR_RESET}"
echo
local reinstalling_other_packages
# shellcheck disable=SC2010
reinstalling_other_packages=$(ls /docker-context-files/*.{whl,tar.gz} 2>/dev/null | \
grep -v apache_airflow | grep -v apache-airflow || true)
if [[ -n "${reinstalling_other_packages}" ]]; then
set -x
pip install --root-user-action ignore --force-reinstall --no-deps --no-index ${reinstalling_other_packages}
# make sure correct PIP version is used
pip install --disable-pip-version-check "pip==${AIRFLOW_PIP_VERSION}" 2>/dev/null
set -x
fi
}
common::get_colors
common::get_airflow_version_specification
common::override_pip_version_if_needed
common::get_constraints_location
common::show_pip_version_and_location
install_airflow_and_providers_from_docker_context_files
common::show_pip_version_and_location
install_all_other_packages_from_docker_context_files
EOF
# The content below is automatically copied from scripts/docker/install_airflow.sh
COPY <<"EOF" /install_airflow.sh
. "$( dirname "${BASH_SOURCE[0]}" )/common.sh"
: "${AIRFLOW_PIP_VERSION:?Should be set}"
function install_airflow() {
# Coherence check for editable installation mode.
if [[ ${AIRFLOW_INSTALLATION_METHOD} != "." && \
${AIRFLOW_INSTALL_EDITABLE_FLAG} == "--editable" ]]; then
echo
echo "${COLOR_RED}ERROR! You can only use --editable flag when installing airflow from sources!${COLOR_RESET}"
echo "${COLOR_RED} Current installation method is '${AIRFLOW_INSTALLATION_METHOD} and should be '.'${COLOR_RESET}"
exit 1
fi
# Remove mysql from extras if client is not going to be installed
if [[ ${INSTALL_MYSQL_CLIENT} != "true" ]]; then
AIRFLOW_EXTRAS=${AIRFLOW_EXTRAS/mysql,}
echo "${COLOR_YELLOW}MYSQL client installation is disabled. Extra 'mysql' installations were therefore omitted.${COLOR_RESET}"
fi
# Remove postgres from extras if client is not going to be installed
if [[ ${INSTALL_POSTGRES_CLIENT} != "true" ]]; then
AIRFLOW_EXTRAS=${AIRFLOW_EXTRAS/postgres,}
echo "${COLOR_YELLOW}Postgres client installation is disabled. Extra 'postgres' installations were therefore omitted.${COLOR_RESET}"
fi
if [[ "${UPGRADE_TO_NEWER_DEPENDENCIES}" != "false" ]]; then
echo
echo "${COLOR_BLUE}Installing all packages with eager upgrade${COLOR_RESET}"
echo
# eager upgrade
pip install --root-user-action ignore --upgrade --upgrade-strategy eager \
"${AIRFLOW_INSTALLATION_METHOD}[${AIRFLOW_EXTRAS}]${AIRFLOW_VERSION_SPECIFICATION}" \
${EAGER_UPGRADE_ADDITIONAL_REQUIREMENTS}
if [[ -n "${AIRFLOW_INSTALL_EDITABLE_FLAG}" ]]; then
# Remove airflow and reinstall it using editable flag
# We can only do it when we install airflow from sources
set -x
pip uninstall apache-airflow --yes
pip install --root-user-action ignore ${AIRFLOW_INSTALL_EDITABLE_FLAG} \
"${AIRFLOW_INSTALLATION_METHOD}[${AIRFLOW_EXTRAS}]${AIRFLOW_VERSION_SPECIFICATION}"
set +x
fi
# make sure correct PIP version is used
pip install --disable-pip-version-check "pip==${AIRFLOW_PIP_VERSION}" 2>/dev/null
echo
echo "${COLOR_BLUE}Running 'pip check'${COLOR_RESET}"
echo
pip check
else \
echo
echo "${COLOR_BLUE}Installing all packages with constraints and upgrade if needed${COLOR_RESET}"
echo
set -x
pip install --root-user-action ignore ${AIRFLOW_INSTALL_EDITABLE_FLAG} \
"${AIRFLOW_INSTALLATION_METHOD}[${AIRFLOW_EXTRAS}]${AIRFLOW_VERSION_SPECIFICATION}" \
--constraint "${AIRFLOW_CONSTRAINTS_LOCATION}"
# make sure correct PIP version is used
pip install --disable-pip-version-check "pip==${AIRFLOW_PIP_VERSION}" 2>/dev/null
# then upgrade if needed without using constraints to account for new limits in setup.py
pip install --root-user-action ignore --upgrade --upgrade-strategy only-if-needed \
${AIRFLOW_INSTALL_EDITABLE_FLAG} \
"${AIRFLOW_INSTALLATION_METHOD}[${AIRFLOW_EXTRAS}]${AIRFLOW_VERSION_SPECIFICATION}"
# make sure correct PIP version is used
pip install --disable-pip-version-check "pip==${AIRFLOW_PIP_VERSION}" 2>/dev/null
set +x
echo
echo "${COLOR_BLUE}Running 'pip check'${COLOR_RESET}"
echo
pip check
fi
}
common::get_colors
common::get_airflow_version_specification
common::override_pip_version_if_needed
common::get_constraints_location
common::show_pip_version_and_location
install_airflow
EOF
# The content below is automatically copied from scripts/docker/install_additional_dependencies.sh
COPY <<"EOF" /install_additional_dependencies.sh
set -euo pipefail
: "${UPGRADE_TO_NEWER_DEPENDENCIES:?Should be true or false}"
: "${ADDITIONAL_PYTHON_DEPS:?Should be set}"
: "${EAGER_UPGRADE_ADDITIONAL_REQUIREMENTS:?Should be set}"
: "${AIRFLOW_PIP_VERSION:?Should be set}"
. "$( dirname "${BASH_SOURCE[0]}" )/common.sh"
function install_additional_dependencies() {
if [[ "${UPGRADE_TO_NEWER_DEPENDENCIES}" != "false" ]]; then
echo
echo "${COLOR_BLUE}Installing additional dependencies while upgrading to newer dependencies${COLOR_RESET}"
echo
set -x
pip install --root-user-action ignore --upgrade --upgrade-strategy eager \
${ADDITIONAL_PYTHON_DEPS} ${EAGER_UPGRADE_ADDITIONAL_REQUIREMENTS}
# make sure correct PIP version is used
pip install --disable-pip-version-check "pip==${AIRFLOW_PIP_VERSION}" 2>/dev/null
set +x
echo
echo "${COLOR_BLUE}Running 'pip check'${COLOR_RESET}"
echo
pip check
else
echo
echo "${COLOR_BLUE}Installing additional dependencies upgrading only if needed${COLOR_RESET}"
echo
set -x
pip install --root-user-action ignore --upgrade --upgrade-strategy only-if-needed \
${ADDITIONAL_PYTHON_DEPS}
# make sure correct PIP version is used
pip install --disable-pip-version-check "pip==${AIRFLOW_PIP_VERSION}" 2>/dev/null
set +x
echo
echo "${COLOR_BLUE}Running 'pip check'${COLOR_RESET}"
echo
pip check
fi
}
common::get_colors
common::get_airflow_version_specification
common::override_pip_version_if_needed
common::get_constraints_location
common::show_pip_version_and_location
install_additional_dependencies
EOF
# The content below is automatically copied from scripts/docker/entrypoint_prod.sh
COPY <<"EOF" /entrypoint_prod.sh
#!/usr/bin/env bash
AIRFLOW_COMMAND="${1:-}"
set -euo pipefail
LD_PRELOAD="/usr/lib/$(uname -m)-linux-gnu/libstdc++.so.6"
export LD_PRELOAD
function run_check_with_retries {
local cmd
cmd="${1}"
local countdown
countdown="${CONNECTION_CHECK_MAX_COUNT}"
while true
do
set +e
local last_check_result
local res
last_check_result=$(eval "${cmd} 2>&1")
res=$?
set -e
if [[ ${res} == 0 ]]; then
echo
break
else
echo -n "."
countdown=$((countdown-1))
fi
if [[ ${countdown} == 0 ]]; then
echo
echo "ERROR! Maximum number of retries (${CONNECTION_CHECK_MAX_COUNT}) reached."
echo
echo "Last check result:"
echo "$ ${cmd}"
echo "${last_check_result}"
echo
exit 1
else
sleep "${CONNECTION_CHECK_SLEEP_TIME}"
fi
done
}
function run_nc() {
# Checks if it is possible to connect to the host using netcat.
#
# We want to avoid misleading messages and perform only forward lookup of the service IP address.
# Netcat when run without -n performs both forward and reverse lookup and fails if the reverse
# lookup name does not match the original name even if the host is reachable via IP. This happens
# randomly with docker-compose in GitHub Actions.
# Since we are not using reverse lookup elsewhere, we can perform forward lookup in python
# And use the IP in NC and add '-n' switch to disable any DNS use.
# Even if this message might be harmless, it might hide the real reason for the problem
# Which is the long time needed to start some services, seeing this message might be totally misleading
# when you try to analyse the problem, that's why it's best to avoid it,
local host="${1}"
local port="${2}"
local ip
ip=$(python -c "import socket; print(socket.gethostbyname('${host}'))")
nc -zvvn "${ip}" "${port}"
}
function wait_for_connection {
# Waits for Connection to the backend specified via URL passed as first parameter
# Detects backend type depending on the URL schema and assigns
# default port numbers if not specified in the URL.
# Then it loops until connection to the host/port specified can be established
# It tries `CONNECTION_CHECK_MAX_COUNT` times and sleeps `CONNECTION_CHECK_SLEEP_TIME` between checks
local connection_url
connection_url="${1}"
local detected_backend
detected_backend=$(python -c "from urllib.parse import urlsplit; import sys; print(urlsplit(sys.argv[1]).scheme)" "${connection_url}")
local detected_host
detected_host=$(python -c "from urllib.parse import urlsplit; import sys; print(urlsplit(sys.argv[1]).hostname or '')" "${connection_url}")
local detected_port
detected_port=$(python -c "from urllib.parse import urlsplit; import sys; print(urlsplit(sys.argv[1]).port or '')" "${connection_url}")
echo BACKEND="${BACKEND:=${detected_backend}}"
readonly BACKEND
if [[ -z "${detected_port=}" ]]; then
if [[ ${BACKEND} == "postgres"* ]]; then
detected_port=5432
elif [[ ${BACKEND} == "mysql"* ]]; then
detected_port=3306
elif [[ ${BACKEND} == "mssql"* ]]; then
detected_port=1433
elif [[ ${BACKEND} == "redis"* ]]; then
detected_port=6379
elif [[ ${BACKEND} == "amqp"* ]]; then
detected_port=5672
fi
fi
detected_host=${detected_host:="localhost"}
# Allow the DB parameters to be overridden by environment variable
echo DB_HOST="${DB_HOST:=${detected_host}}"
readonly DB_HOST
echo DB_PORT="${DB_PORT:=${detected_port}}"
readonly DB_PORT
if [[ -n "${DB_HOST=}" ]] && [[ -n "${DB_PORT=}" ]]; then
run_check_with_retries "run_nc ${DB_HOST@Q} ${DB_PORT@Q}"
else
>&2 echo "The connection details to the broker could not be determined. Connectivity checks were skipped."
fi
}
function create_www_user() {
local local_password=""
# Warning: command environment variables (*_CMD) have priority over usual configuration variables
# for configuration parameters that require sensitive information. This is the case for the SQL database
# and the broker backend in this entrypoint script.
if [[ -n "${_AIRFLOW_WWW_USER_PASSWORD_CMD=}" ]]; then
local_password=$(eval "${_AIRFLOW_WWW_USER_PASSWORD_CMD}")
unset _AIRFLOW_WWW_USER_PASSWORD_CMD
elif [[ -n "${_AIRFLOW_WWW_USER_PASSWORD=}" ]]; then
local_password="${_AIRFLOW_WWW_USER_PASSWORD}"
unset _AIRFLOW_WWW_USER_PASSWORD
fi
if [[ -z ${local_password} ]]; then
echo
echo "ERROR! Airflow Admin password not set via _AIRFLOW_WWW_USER_PASSWORD or _AIRFLOW_WWW_USER_PASSWORD_CMD variables!"
echo
exit 1
fi
airflow users create \
--username "${_AIRFLOW_WWW_USER_USERNAME="admin"}" \
--firstname "${_AIRFLOW_WWW_USER_FIRSTNAME="Airflow"}" \
--lastname "${_AIRFLOW_WWW_USER_LASTNAME="Admin"}" \
--email "${_AIRFLOW_WWW_USER_EMAIL="[email protected]"}" \
--role "${_AIRFLOW_WWW_USER_ROLE="Admin"}" \
--password "${local_password}" || true
}
function create_system_user_if_missing() {
# This is needed in case of OpenShift-compatible container execution. In case of OpenShift random
# User id is used when starting the image, however group 0 is kept as the user group. Our production
# Image is OpenShift compatible, so all permissions on all folders are set so that 0 group can exercise
# the same privileges as the default "airflow" user, this code checks if the user is already
# present in /etc/passwd and will create the system user dynamically, including setting its
# HOME directory to the /home/airflow so that (for example) the ${HOME}/.local folder where airflow is
# Installed can be automatically added to PYTHONPATH
if ! whoami &> /dev/null; then
if [[ -w /etc/passwd ]]; then
echo "${USER_NAME:-default}:x:$(id -u):0:${USER_NAME:-default} user:${AIRFLOW_USER_HOME_DIR}:/sbin/nologin" \
>> /etc/passwd
fi
export HOME="${AIRFLOW_USER_HOME_DIR}"
fi
}
function set_pythonpath_for_root_user() {
# Airflow is installed as a local user application which means that if the container is running as root
# the application is not available. because Python then only load system-wide applications.
# Now also adds applications installed as local user "airflow".
if [[ $UID == "0" ]]; then
local python_major_minor
python_major_minor="$(python --version | cut -d " " -f 2 | cut -d "." -f 1-2)"
export PYTHONPATH="${AIRFLOW_USER_HOME_DIR}/.local/lib/python${python_major_minor}/site-packages:${PYTHONPATH:-}"
>&2 echo "The container is run as root user. For security, consider using a regular user account."
fi
}
function wait_for_airflow_db() {
# Wait for the command to run successfully to validate the database connection.
run_check_with_retries "airflow db check"
}
function upgrade_db() {
# Runs airflow db upgrade
airflow db upgrade || true
}
function wait_for_celery_broker() {
# Verifies connection to Celery Broker
local executor
executor="$(airflow config get-value core executor)"
if [[ "${executor}" == "CeleryExecutor" ]]; then
local connection_url
connection_url="$(airflow config get-value celery broker_url)"
wait_for_connection "${connection_url}"
fi
}
function exec_to_bash_or_python_command_if_specified() {
# If one of the commands: 'bash', 'python' is used, either run appropriate
# command with exec
if [[ ${AIRFLOW_COMMAND} == "bash" ]]; then
shift
exec "/bin/bash" "${@}"
elif [[ ${AIRFLOW_COMMAND} == "python" ]]; then
shift
exec "python" "${@}"
fi
}
function check_uid_gid() {
if [[ $(id -g) == "0" ]]; then
return
fi
if [[ $(id -u) == "50000" ]]; then
>&2 echo
>&2 echo "WARNING! You should run the image with GID (Group ID) set to 0"
>&2 echo " even if you use 'airflow' user (UID=50000)"
>&2 echo
>&2 echo " You started the image with UID=$(id -u) and GID=$(id -g)"
>&2 echo
>&2 echo " This is to make sure you can run the image with an arbitrary UID in the future."
>&2 echo
>&2 echo " See more about it in the Airflow's docker image documentation"
>&2 echo " http://airflow.apache.org/docs/docker-stack/entrypoint"
>&2 echo
# We still allow the image to run with `airflow` user.
return
else
>&2 echo
>&2 echo "ERROR! You should run the image with GID=0"
>&2 echo
>&2 echo " You started the image with UID=$(id -u) and GID=$(id -g)"
>&2 echo
>&2 echo "The image should always be run with GID (Group ID) set to 0 regardless of the UID used."
>&2 echo " This is to make sure you can run the image with an arbitrary UID."
>&2 echo
>&2 echo " See more about it in the Airflow's docker image documentation"
>&2 echo " http://airflow.apache.org/docs/docker-stack/entrypoint"
# This will not work so we fail hard
exit 1
fi
}
unset PIP_USER
check_uid_gid
umask 0002
CONNECTION_CHECK_MAX_COUNT=${CONNECTION_CHECK_MAX_COUNT:=20}
readonly CONNECTION_CHECK_MAX_COUNT
CONNECTION_CHECK_SLEEP_TIME=${CONNECTION_CHECK_SLEEP_TIME:=3}
readonly CONNECTION_CHECK_SLEEP_TIME
create_system_user_if_missing
set_pythonpath_for_root_user
if [[ "${CONNECTION_CHECK_MAX_COUNT}" -gt "0" ]]; then
wait_for_airflow_db
fi
if [[ -n "${_AIRFLOW_DB_UPGRADE=}" ]] ; then
upgrade_db
fi
if [[ -n "${_AIRFLOW_WWW_USER_CREATE=}" ]] ; then
create_www_user
fi
if [[ -n "${_PIP_ADDITIONAL_REQUIREMENTS=}" ]] ; then
>&2 echo
>&2 echo "!!!!! Installing additional requirements: '${_PIP_ADDITIONAL_REQUIREMENTS}' !!!!!!!!!!!!"
>&2 echo
>&2 echo "WARNING: This is a development/test feature only. NEVER use it in production!"
>&2 echo " Instead, build a custom image as described in"
>&2 echo
>&2 echo " https://airflow.apache.org/docs/docker-stack/build.html"
>&2 echo
>&2 echo " Adding requirements at container startup is fragile and is done every time"
>&2 echo " the container starts, so it is onlny useful for testing and trying out"
>&2 echo " of adding dependencies."
>&2 echo
pip install --root-user-action ignore --no-cache-dir ${_PIP_ADDITIONAL_REQUIREMENTS}
fi
exec_to_bash_or_python_command_if_specified "${@}"
if [[ ${AIRFLOW_COMMAND} == "airflow" ]]; then
AIRFLOW_COMMAND="${2:-}"
shift
fi
if [[ ${AIRFLOW_COMMAND} =~ ^(scheduler|celery)$ ]] \
&& [[ "${CONNECTION_CHECK_MAX_COUNT}" -gt "0" ]]; then
wait_for_celery_broker
fi
exec "airflow" "${@}"
EOF
# The content below is automatically copied from scripts/docker/clean-logs.sh
COPY <<"EOF" /clean-logs.sh
#!/usr/bin/env bash
set -euo pipefail
readonly DIRECTORY="${AIRFLOW_HOME:-/usr/local/airflow}"
readonly RETENTION="${AIRFLOW__LOG_RETENTION_DAYS:-15}"
trap "exit" INT TERM
readonly EVERY=$((15*60))
echo "Cleaning logs every $EVERY seconds"
while true; do
echo "Trimming airflow logs to ${RETENTION} days."
find "${DIRECTORY}"/logs \
-type d -name 'lost+found' -prune -o \
-type f -mtime +"${RETENTION}" -name '*.log' -print0 | \
xargs -0 rm -f
seconds=$(( $(date -u +%s) % EVERY))
(( seconds < 1 )) || sleep $((EVERY - seconds))
done
EOF
# The content below is automatically copied from scripts/docker/airflow-scheduler-autorestart.sh
COPY <<"EOF" /airflow-scheduler-autorestart.sh
#!/usr/bin/env bash
while echo "Running"; do
airflow scheduler -n 5
return_code=$?
if (( return_code != 0 )); then
echo "Scheduler crashed with exit code $return_code. Respawning.." >&2
date >> /tmp/airflow_scheduler_errors.txt
fi
sleep 1
done
EOF
##############################################################################################
# This is the build image where we build all dependencies
##############################################################################################
FROM ${PYTHON_BASE_IMAGE} as airflow-build-image
# Nolog bash flag is currently ignored - but you can replace it with
# xtrace - to show commands executed)