targetd-start

#!/bin/sh

# exit on failure
set -e

# exit on unassigned variable
set -u

# variables
config_file=/etc/target/targetd.yaml

# generate targetd config file if asked
if [ "${TARGETD_GENERATE_CONFIG:-false}" = "true" ]; then
	echo "generating targetd configuration ${config_file}" >&2

	if [ -z "${TARGETD_PASSWORD:-}" ]; then
		echo "TARGETD_PASSWORD environment variable is mandatory" >&2
		exit 1
	fi

	cat >/etc/target/targetd.yaml <<-EOF
	# targetd configuration ( see https://www.systutorials.com/docs/linux/man/8-targetd/ for details )

	# authentication
	user: ${TARGETD_USER:-admin}
	password: ${TARGETD_PASSWORD}

	# LVM
	pool_name: ${TARGETD_POOLNAME:-vg-targetd}

	# iSCSI
	target_name: ${TARGETD_TARGETNAME:-iqn.2003-01.org.linux-iscsi.${HOSTNAME}:targetd}

	# SSL
	ssl: ${TARGETD_SSL:-false}
	ssl_cert: ${TARGETD_SSL_CERT:-/etc/target/targetd_cert.pem}
	ssl_key: ${TARGETD_SSL_KEY:-/etc/target/targetd_key.pem}

	# Log level (debug, info, warning, error, critical)
	log_level: ${TARGETD_LOGLEVEL:-info}
	EOF

else
	echo "using existing targetd configuration ${config_file}" >&2
fi

# restore existing targets if any
if [ -f /etc/target/saveconfig.json ]; then
	targetctl restore
fi

# start targetd
exec /usr/bin/targetd