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start.sh: JUPYTER_ENV_VARS_TO_UNSET introduced

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Allow you to define variables to be unset before running the command
that start.sh is supposed to start. These variables will still be
available in the hooks run before.
This commit is contained in:
Erik Sundell
2020-03-29 05:57:08 +02:00
committed by Ben Mares
parent 8dfdbfd3a3
commit ee0105a8a5
3 changed files with 16 additions and 1 deletions
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14
base-notebook/start.sh
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@@ -39,6 +39,18 @@ run-hooks () {
echo "${0}: done running hooks in ${1}"
}
# A helper function to unset env vars listed in the value of the env var
# JUPYTER_ENV_VARS_TO_UNSET.
unset_explicit_env_vars () {
if [ -n "${JUPYTER_ENV_VARS_TO_UNSET}" ]; then
for env_var_to_unset in $(echo "${JUPYTER_ENV_VARS_TO_UNSET}" | tr ',;:' ' '); do
echo "Unset ${env_var_to_unset} due to JUPYTER_ENV_VARS_TO_UNSET"
unset "${env_var_to_unset}"
done
unset JUPYTER_ENV_VARS_TO_UNSET
fi
}
# NOTE: This hook will run as the user the container was started with!
run-hooks /usr/local/bin/start-notebook.d
@@ -143,6 +155,7 @@ if [ "$(id -u)" == 0 ] ; then
# NOTE: This hook is run as the root user!
run-hooks /usr/local/bin/before-notebook.d
unset_explicit_env_vars
echo "Running as ${NB_USER}:" "${cmd[@]}"
exec sudo --preserve-env --set-home --user "${NB_USER}" \
PATH="${PATH}" \
@@ -199,6 +212,7 @@ else
# NOTE: This hook is run as the user we started the container as!
run-hooks /usr/local/bin/before-notebook.d
unset_explicit_env_vars
echo "Executing the command:" "${cmd[@]}"
exec "${cmd[@]}"
fi