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start.sh: JUPYTER_DOCKER_STACKS_QUIET introduced

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It is meant to allow you to opt out from non-error non-warning logs
generated by start.sh.
This commit is contained in:
Erik Sundell
2020-04-06 09:41:46 +02:00
committed by Ben Mares
parent 8dfdbfd3a3
commit 1f59bd7a77
1 changed files with 46 additions and 39 deletions
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83
base-notebook/start.sh
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@@ -3,14 +3,16 @@
# Distributed under the terms of the Modified BSD License.
set -e
echo "Running: start.sh" "$@"
# Exec the specified command or fall back on bash
if [ $# -eq 0 ]; then
cmd=( "bash" )
else
cmd=( "$@" )
# The _log function is passed everything this script wants to log. It will
# always log errors and warnings, but can be silenced by setting
# JUPYTER_DOCKER_STACKS_QUIET.
_log () {
if [[ "$*" == "ERROR:"* ]] || [[ "$*" == "WARNING:"* ]] || [[ "$JUPYTER_DOCKER_STACKS_QUIET" != "" ]]; then
echo "$@"
fi
}
_log "Entered start.sh with args:" "$@"
# The run-hooks function looks for .sh scripts to source and executable files to
# run within a passed directory.
@@ -18,28 +20,35 @@ run-hooks () {
if [[ ! -d "${1}" ]] ; then
return
fi
echo "${0}: running hooks in ${1} as uid / gid: $(id -u) / $(id -g)"
_log "${0}: running hooks in ${1} as uid / gid: $(id -u) / $(id -g)"
for f in "${1}/"*; do
case "${f}" in
*.sh)
echo "${0}: running script ${f}"
_log "${0}: running script ${f}"
# shellcheck disable=SC1090
source "${f}"
;;
*)
if [[ -x "${f}" ]] ; then
echo "${0}: running executable ${f}"
_log "${0}: running executable ${f}"
"${f}"
else
echo "${0}: ignoring non-executable ${f}"
_log "${0}: ignoring non-executable ${f}"
fi
;;
esac
done
echo "${0}: done running hooks in ${1}"
_log "${0}: done running hooks in ${1}"
}
# Default to starting bash if no command was specified
if [ $# -eq 0 ]; then
cmd=( "bash" )
else
cmd=( "$@" )
fi
# NOTE: This hook will run as the user the container was started with!
run-hooks /usr/local/bin/start-notebook.d
@@ -62,20 +71,18 @@ if [ "$(id -u)" == 0 ] ; then
# Refit the jovyan user to the desired the user (NB_USER)
if id jovyan &> /dev/null ; then
if ! usermod --home "/home/${NB_USER}" --login "${NB_USER}" jovyan 2>&1 | grep "no changes" > /dev/null; then
echo "Updated the jovyan user:"
echo "- username: jovyan -> ${NB_USER}"
echo "- home dir: /home/jovyan -> /home/${NB_USER}"
_log "Updated the jovyan user:"
_log "- username: jovyan -> ${NB_USER}"
_log "- home dir: /home/jovyan -> /home/${NB_USER}"
fi
elif ! id -u "${NB_USER}" &> /dev/null; then
echo "ERROR: Neither the jovyan user or '${NB_USER}' exists."
echo " This could be the result of stopping and starting, the"
echo " container with a different NB_USER environment variable."
_log "ERROR: Neither the jovyan user or '${NB_USER}' exists. This could be the result of stopping and starting, the container with a different NB_USER environment variable."
exit 1
fi
# Ensure the desired user (NB_USER) gets its desired user id (NB_UID) and is
# a member of the desired group (NB_GROUP, NB_GID)
if [ "${NB_UID}" != "$(id -u "${NB_USER}")" ] || [ "${NB_GID}" != "$(id -g "${NB_USER}")" ]; then
echo "Update ${NB_USER}'s UID:GID to ${NB_UID}:${NB_GID}"
_log "Update ${NB_USER}'s UID:GID to ${NB_UID}:${NB_GID}"
# Ensure the desired group's existence
if [ "${NB_GID}" != "$(id -g "${NB_USER}")" ]; then
groupadd --force --gid "${NB_GID}" --non-unique "${NB_GROUP:-${NB_USER}}"
@@ -90,17 +97,17 @@ if [ "$(id -u)" == 0 ] ; then
# directory to the new location if needed.
if [[ "${NB_USER}" != "jovyan" ]]; then
if [[ ! -e "/home/${NB_USER}" ]]; then
echo "Attempting to copy /home/jovyan to /home/${NB_USER}..."
_log "Attempting to copy /home/jovyan to /home/${NB_USER}..."
mkdir "/home/${NB_USER}"
if cp -a /home/jovyan/. "/home/${NB_USER}/"; then
echo "Success!"
_log "Success!"
else
echo "Failed to copy data from /home/jovyan to /home/${NB_USER}!"
echo "Attempting to symlink /home/jovyan to /home/${NB_USER}..."
_log "Failed to copy data from /home/jovyan to /home/${NB_USER}!"
_log "Attempting to symlink /home/jovyan to /home/${NB_USER}..."
if ln -s /home/jovyan "/home/${NB_USER}"; then
echo "Success creating symlink!"
_log "Success creating symlink!"
else
echo "Failed to create symlink!"
_log "ERROR: Failed copy data from /home/jovyan to /home/${NB_USER} or to create symlink!"
exit 1
fi
fi
@@ -108,7 +115,7 @@ if [ "$(id -u)" == 0 ] ; then
# Ensure the current working directory is updated to the new path
if [[ "${PWD}/" == "/home/jovyan/"* ]]; then
new_wd="/home/${NB_USER}/${PWD:13}"
echo "Changing working directory to ${new_wd}"
_log "Changing working directory to ${new_wd}"
cd "${new_wd}"
fi
fi
@@ -116,13 +123,13 @@ if [ "$(id -u)" == 0 ] ; then
# Optionally ensure the desired user get filesystem ownership of it's home
# folder and/or additional folders
if [[ "${CHOWN_HOME}" == "1" || "${CHOWN_HOME}" == "yes" ]]; then
echo "Ensuring /home/${NB_USER} is owned by ${NB_UID}:${NB_GID} ${CHOWN_HOME_OPTS:+(chown options: ${CHOWN_HOME_OPTS})}"
_log "Ensuring /home/${NB_USER} is owned by ${NB_UID}:${NB_GID} ${CHOWN_HOME_OPTS:+(chown options: ${CHOWN_HOME_OPTS})}"
# shellcheck disable=SC2086
chown ${CHOWN_HOME_OPTS} "${NB_UID}:${NB_GID}" "/home/${NB_USER}"
fi
if [ -n "${CHOWN_EXTRA}" ]; then
for extra_dir in $(echo "${CHOWN_EXTRA}" | tr ',' ' '); do
echo "Ensuring ${extra_dir} is owned by ${NB_UID}:${NB_GID} ${CHOWN_HOME_OPTS:+(chown options: ${CHOWN_HOME_OPTS})}"
_log "Ensuring ${extra_dir} is owned by ${NB_UID}:${NB_GID} ${CHOWN_HOME_OPTS:+(chown options: ${CHOWN_HOME_OPTS})}"
# shellcheck disable=SC2086
chown ${CHOWN_EXTRA_OPTS} "${NB_UID}:${NB_GID}" "${extra_dir}"
done
@@ -136,14 +143,14 @@ if [ "$(id -u)" == 0 ] ; then
# Optionally grant passwordless sudo rights for the desired user
if [[ "$GRANT_SUDO" == "1" || "$GRANT_SUDO" == "yes" ]]; then
echo "Granting ${NB_USER} passwordless sudo rights!"
_log "Granting ${NB_USER} passwordless sudo rights!"
echo "${NB_USER} ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers.d/added-by-start-script
fi
# NOTE: This hook is run as the root user!
run-hooks /usr/local/bin/before-notebook.d
echo "Running as ${NB_USER}:" "${cmd[@]}"
_log "Running as ${NB_USER}:" "${cmd[@]}"
exec sudo --preserve-env --set-home --user "${NB_USER}" \
PATH="${PATH}" \
PYTHONPATH="${PYTHONPATH:-}" \
@@ -154,18 +161,18 @@ if [ "$(id -u)" == 0 ] ; then
else
# Warn about misconfiguration of: desired username, user id, or group id
if [[ -n "${NB_USER}" && "${NB_USER}" != "$(id -un)" ]]; then
echo "WARNING: container must be started as root to change the desired user's name with NB_USER!"
_log "WARNING: container must be started as root to change the desired user's name with NB_USER!"
fi
if [[ -n "${NB_UID}" && "${NB_UID}" != "$(id -u)" ]]; then
echo "WARNING: container must be started as root to change the desired user's id with NB_UID!"
_log "WARNING: container must be started as root to change the desired user's id with NB_UID!"
fi
if [[ -n "${NB_GID}" && "${NB_GID}" != "$(id -g)" ]]; then
echo "WARNING: container must be started as root to change the desired user's group id with NB_GID!"
_log "WARNING: container must be started as root to change the desired user's group id with NB_GID!"
fi
# Warn about misconfiguration of: granting sudo rights
if [[ "${GRANT_SUDO}" == "1" || "${GRANT_SUDO}" == "yes" ]]; then
echo "WARNING: container must be started as root to grant sudo permissions!"
_log "WARNING: container must be started as root to grant sudo permissions!"
fi
# Attempt to ensure the user uid we currently run as has a named entry in
@@ -177,7 +184,7 @@ else
if ! whoami &> /dev/null; then
echo "There is no entry in /etc/passwd for our UID. Attempting to fix..."
if [[ -w /etc/passwd ]]; then
echo "Renaming old jovyan user to nayvoj ($(id -u jovyan):$(id -g jovyan))"
_log "Renaming old jovyan user to nayvoj ($(id -u jovyan):$(id -g jovyan))"
# We cannot use "sed --in-place" since sed tries to create a temp file in
# /etc/ and we may not have write access. Apply sed on our own temp file:
@@ -186,19 +193,19 @@ else
cat /tmp/passwd > /etc/passwd
rm /tmp/passwd
echo "Added new jovyan user ($(id -u):$(id -g)). Fixed UID!"
_log "Added new jovyan user ($(id -u):$(id -g)). Fixed UID!"
else
echo "WARNING: unable to fix missing /etc/passwd entry because we don't have write permission."
_log "WARNING: unable to fix missing /etc/passwd entry because we don't have write permission."
fi
fi
# Warn if the user isn't able to write files to ${HOME}
if [[ ! -w /home/jovyan ]]; then
echo "WARNING: no write access to /home/jovyan. Try starting the container with group 'users' (100)."
_log "WARNING: no write access to /home/jovyan. Try starting the container with group 'users' (100)."
fi
# NOTE: This hook is run as the user we started the container as!
run-hooks /usr/local/bin/before-notebook.d
echo "Executing the command:" "${cmd[@]}"
_log "Executing the command:" "${cmd[@]}"
exec "${cmd[@]}"
fi