mirror of https://github.com/pyodide/pyodide.git
145 lines
4.0 KiB
Bash
Executable File
145 lines
4.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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PYODIDE_IMAGE_REPO="pyodide"
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PYODIDE_IMAGE_TAG="19"
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PYODIDE_PREBUILT_IMAGE_TAG="0.18.0"
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DEFAULT_PYODIDE_DOCKER_IMAGE="${PYODIDE_IMAGE_REPO}/pyodide-env:${PYODIDE_IMAGE_TAG}"
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DEFAULT_PYODIDE_SYSTEM_PORT="none"
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DOCKER_COMMAND="/bin/bash"
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DOCKER_INTERACTIVE="--interactive"
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USER_HOME="/src/.docker_home"
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USER_NAME="$(id -u -n)"
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USER_PASS="x"
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USER_ID="$(id -u)"
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USER_GID="$(id -g)"
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USER_COMMENT_FIELD="${USER_NAME} pyodide user alias"
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USER_INTERPRETER="/sbin/nologin"
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USER_ACCOUNT_INFO="${USER_NAME}:${USER_PASS}:${USER_ID}:${USER_GID}:${USER_COMMENT_FIELD}:${USER_HOME}:${USER_INTERPRETER}"
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USER_FLAG="--user $USER_ID:$USER_GID"
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set -eo pipefail
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function usage() {
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cat > /dev/stdout <<EOF
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Usage: run_docker [OPTIONS] [COMMAND] [ARG...]
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Runs COMMAND in a new Pyodide docker container. If no COMMAND is provided, starts a bash
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shell in the container.
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Options:
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-h, --help Show this information and exit.
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--pre-built Use the prebuilt Pyodide image.
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This is ignored if the env var PYODIDE_DOCKER_IMAGE is set.
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-p, --port <port> System port to which to forward.
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This is ignored if the env var PYODIDE_SYSTEM_PORT is set.
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If set to 'none', docker instance will not bind to any port.
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--non-interactive Run docker without the --interactive flag.
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Useful for running in headless mode on CI server.
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--root Run as root user inside the container
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Prerequisites:
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Docker has to be set up on your system.
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EOF
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}
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function error() {
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usage
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exit 255
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}
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while [[ $# -gt 0 ]]
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do
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key="$1"
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case $key in
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-h|--help)
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usage
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exit 0
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;;
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--pre-built)
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if [[ -n ${PYODIDE_DOCKER_IMAGE} ]]; then
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echo "WARNING: will use the env var PYODIDE_DOCKER_IMAGE=${PYODIDE_DOCKER_IMAGE},
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the flag --pre-built has no effect"
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fi
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DEFAULT_PYODIDE_DOCKER_IMAGE="pyodide/pyodide:${PYODIDE_PREBUILT_IMAGE_TAG}"
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shift
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;;
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-p|--port)
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if [ "$#" -lt 2 ]; then
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>&2 echo "port cannot be empty"
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error
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fi
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if [[ -n ${PYODIDE_SYSTEM_PORT} ]]; then
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echo "WARNING: will use the env var PYODIDE_SYSTEM_PORT=${PYODIDE_SYSTEM_PORT} instead of the provided port"
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fi
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DEFAULT_PYODIDE_SYSTEM_PORT=$2
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shift 2
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;;
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--non-interactive)
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DOCKER_INTERACTIVE="--interactive=false"
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shift
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;;
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--root)
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USER_FLAG=""
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shift
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;;
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-*)
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>&2 echo "Unknown option $1"
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error
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;;
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*)
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DOCKER_COMMAND="$@"
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break
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;;
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esac
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done
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PYODIDE_DOCKER_PORT=${PYODIDE_DOCKER_PORT:-"8000"}
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PYODIDE_SYSTEM_PORT=${PYODIDE_SYSTEM_PORT:-${DEFAULT_PYODIDE_SYSTEM_PORT}}
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PYODIDE_DOCKER_IMAGE=${PYODIDE_DOCKER_IMAGE:-${DEFAULT_PYODIDE_DOCKER_IMAGE}}
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# in case the port is not a number, do not bind the port
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case $DEFAULT_PYODIDE_SYSTEM_PORT in
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none)
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PORT_CONFIGURATION_LINE=""
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;;
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''|*[!0-9]*) # contains a non-digit character, therefore it is not a number
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echo "WARNING: Invalid port argument '$DEFAULT_PYODIDE_SYSTEM_PORT'. Port binding disabled."
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PORT_CONFIGURATION_LINE=""
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;;
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*)
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PORT_CONFIGURATION_LINE="-p $PYODIDE_SYSTEM_PORT:$PYODIDE_DOCKER_PORT"
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;;
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esac
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mkdir -p .docker_home
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# Start a detached container as root, add the host uname and uid to /etc/passwd,
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# then run forever
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CONTAINER=$(\
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docker run \
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$PORT_CONFIGURATION_LINE \
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-d --rm \
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-v $PWD:/src \
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--user root \
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--shm-size 2g \
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"${PYODIDE_DOCKER_IMAGE}" \
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/bin/bash -c " \
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echo '${USER_ACCOUNT_INFO}' >> /etc/passwd ; \
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tail -f /dev/null \
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" \
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)
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EXIT_STATUS=0
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# Execute the provided command as the host user with HOME=/src
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docker exec \
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$DOCKER_INTERACTIVE --tty \
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$USER_FLAG \
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$CONTAINER \
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/bin/bash -c "${DOCKER_COMMAND}" || EXIT_STATUS=$?
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docker kill $CONTAINER > /dev/null
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exit $EXIT_STATUS
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