#!/bin/sh

ARCH=$(uname -m)
BIN_DIR=/app/linux-${ARCH}
DATA_DIR=/etc/nebula
HOSTNAME=$(hostname)

if test -z "${NEBULA_IP}"; then
    echo 'You did not set a value for the environment variable NEBULA_IP'
    exit 1
fi

if test "${HOSTNAME}" == '__HOSTNAME__'; then
    echo 'You did not set a hostname for the Docker container'
    exit 2
fi

# --------------------- TESTING ONLY ------------------------
# Build host certs if they don't exist
if ! test -f ${DATA_DIR}/host.crt; then
    cd ${DATA_DIR} || exit 1
    if ! test -d ${DATA_DIR}/host.csr; then
        "${BIN_DIR}/nebula-cert" keygen -out-key host.key -out-pub host.csr
        # shellcheck disable=SC2016
        echo 'You will need to get the `host.csr` file signed by a cluster admin'
        echo "Provide them with the hostname (${HOSTNAME}) and the \`host.csr\` file"
        exit 3
    else
        # shellcheck disable=SC2016
        echo 'Awaiting for `host.csr` to be signed by a cluster admin'
        exit 4
    fi
fi
# -----------------------------------------------------------

# Run the platform-specific binary
"${BIN_DIR}/nebula" -config ${DATA_DIR}/config.yaml