dockerfiles/gitserver/start.sh
Jess Frazelle a85814d20e
updates and cleanups
Signed-off-by: Jess Frazelle <jess@mesosphere.com>
2016-04-06 03:32:01 -07:00

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#!/bin/sh
set -e
[ "$DEBUG" == 'true' ] && set -x
DAEMON=sshd
HOSTKEY=/etc/ssh/ssh_host_ed25519_key
# create the host key if not already created
if [ ! -f "${HOSTKEY}" ]; then
ssh-keygen -A
fi
[ "$PUBKEY" ] && echo "$PUBKEY" > ${HOME}/.ssh/authorized_keys
# Fix permissions, if writable
if [ -w ${HOME}/.ssh ]; then
chown git:git ${HOME}/.ssh && chmod 700 ${HOME}/.ssh/
fi
if [ -w ${HOME}/.ssh/authorized_keys ]; then
chown git:git ${HOME}/.ssh/authorized_keys
chmod 600 ${HOME}/.ssh/authorized_keys
fi
# Warn if no config
if [ ! -e ${HOME}/.ssh/authorized_keys ]; then
echo "WARNING: No SSH authorized_keys found for git"
fi
# set the default shell
mkdir -p $HOME/git-shell-commands
cat >$HOME/git-shell-commands/no-interactive-login <<\EOF
#!/bin/sh
printf '%s\n' "Hi $USER! You've successfully authenticated, but I do not"
printf '%s\n' "provide interactive shell access."
exit 128
EOF
chmod +x $HOME/git-shell-commands/no-interactive-login
stop() {
echo "Received SIGINT or SIGTERM. Shutting down $DAEMON"
# Get PID
pid=$(cat /var/run/$DAEMON/$DAEMON.pid)
# Set TERM
kill -SIGTERM "${pid}"
# Wait for exit
wait "${pid}"
# All done.
echo "Done."
}
echo "Running $@"
if [ "$(basename $1)" == "$DAEMON" ]; then
trap stop SIGINT SIGTERM
$@ &
pid="$!"
mkdir -p /var/run/$DAEMON && echo "${pid}" > /var/run/$DAEMON/$DAEMON.pid
wait "${pid}" && exit $?
else
exec "$@"
fi