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devicehub-teal/docker/devicehub.entrypoint.sh

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#!/bin/sh
set -e
set -u
# DEBUG
set -x
# 3. Generate an environment .env file.
gen_env_vars() {
# specific dpp env vars
if [ "${DPP_MODULE}" = 'y' ]; then
dpp_env_vars="$(cat <<END
API_DLT='${API_DLT}'
API_DLT_TOKEN='${API_DLT_TOKEN}'
API_RESOLVER='${API_RESOLVER}'
ID_FEDERATED='${ID_FEDERATED}'
END
)"
fi
# generate config using env vars from docker
cat > .env <<END
${dpp_env_vars:-}
DB_USER='${DB_USER}'
DB_PASSWORD='${DB_PASSWORD}'
DB_HOST='${DB_HOST}'
DB_DATABASE='${DB_DATABASE}'
URL_MANUALS='${URL_MANUALS}'
HOST='${HOST}'
SCHEMA='dbtest'
DB_SCHEMA='dbtest'
EMAIL_DEMO='${EMAIL_DEMO}'
PASSWORD_DEMO='${PASSWORD_DEMO}'
JWT_PASS=${JWT_PASS}
SECRET_KEY=${SECRET_KEY}
END
}
wait_for_postgres() {
# old one was
#sleep 4
default_postgres_port=5432
# thanks https://testdriven.io/blog/dockerizing-django-with-postgres-gunicorn-and-nginx/
while ! nc -z ${DB_HOST} ${default_postgres_port}; do
sleep 0.5
done
}
init_data() {
# 7. Run alembic of the project.
alembic -x inventory=dbtest upgrade head
# 8. Running alembic from oidc module.y
cd ereuse_devicehub/modules/oidc
alembic -x inventory=dbtest upgrade head
cd -
# 9. Running alembic from dpp module.
cd ereuse_devicehub/modules/dpp/
alembic -x inventory=dbtest upgrade head
cd -
# 11. Generate a minimal data structure.
# TODO it has some errors (?)
flask initdata || true
}
big_error() {
local message="${@}"
echo "###############################################" >&2
echo "# ERROR: ${message}" >&2
echo "###############################################" >&2
exit 1
}
handle_federated_id() {
# devicehub host and id federated checker
# //getAll queries are not accepted by this service, so we remove them
EXPECTED_ID_FEDERATED="$(curl -s "${API_RESOLVER%/}/getAll" \
| jq -r '.url | to_entries | .[] | select(.value == "'"${DEVICEHUB_HOST}"'") | .key' \
| head -n 1)"
# if is a new DEVICEHUB_HOST, then register it
if [ -z "${EXPECTED_ID_FEDERATED}" ]; then
# TODO better docker compose run command
cmd="docker compose run --entrypoint= devicehub flask dlt_insert_members ${DEVICEHUB_HOST}"
big_error "No FEDERATED ID maybe you should run \`${cmd}\`"
fi
# if not new DEVICEHUB_HOST, then check consistency
# if there is already an ID in the DLT, it should match with my internal ID
if [ ! "${EXPECTED_ID_FEDERATED}" = "${ID_FEDERATED}" ]; then
big_error "ID_FEDERATED should be ${EXPECTED_ID_FEDERATED} instead of ${ID_FEDERATED}"
fi
# not needed, but reserved
# EXPECTED_DEVICEHUB_HOST="$(curl -s "${API_RESOLVER%/}/getAll" \
# | jq -r '.url | to_entries | .[] | select(.key == "'"${ID_FEDERATED}"'") | .value' \
# | head -n 1)"
# if [ ! "${EXPECTED_DEVICEHUB_HOST}" = "${DEVICEHUB_HOST}" ]; then
# big_error "ERROR: DEVICEHUB_HOST should be ${EXPECTED_DEVICEHUB_HOST} instead of ${DEVICEHUB_HOST}"
# fi
}
config_oidc() {
# TODO test allowing more than 1 client
if [ "${ID_SERVICE}" = "server_id" ]; then
client_description="client identity from docker compose demo"
# in AUTHORIZED_CLIENT_URL we remove anything before ://
flask add_contract_oidc \
"${EMAIL_DEMO}" \
"${client_description}" \
"${AUTHORIZED_CLIENT_URL}" \
> /shared/client_id_${AUTHORIZED_CLIENT_URL#*://}
elif [ "${ID_SERVICE}" = "client_id" ]; then
# in DEVICEHUB_HOST we remove anything before ://
client_id_config="/shared/client_id_${DEVICEHUB_HOST#*://}"
client_id=
client_secret=
# wait that the file generated by the server_id is readable
while true; do
if [ -f "${client_id_config}" ]; then
client_id="$(cat "${client_id_config}" | jq -r '.client_id')"
client_secret="$(cat "${client_id_config}" | jq -r '.client_secret')"
if [ "${client_id}" ] && [ "${client_secret}" ]; then
break
fi
fi
sleep 1
done
flask add_client_oidc \
"${SERVER_ID_HOST}" \
"${client_id}" \
"${client_secret}"
else
big_error "Something went wrong ${ID_SERVICE} is not server_id nor client_id"
fi
}
config_dpp_part1() {
# 12. Add a new server to the 'api resolver'
handle_federated_id
# 13. Do a rsync api resolve
flask dlt_rsync_members
# 14. Register a new user to the DLT
flask dlt_register_user "${EMAIL_DEMO}" ${PASSWORD_DEMO} Operator
}
config_dpp_part2() {
# 16.
flask check_install "${EMAIL_DEMO}" ${PASSWORD_DEMO}
# 20. config server or client ID
config_oidc
}
config_phase() {
init_flagfile='/already_configured'
if [ ! -f "${init_flagfile}" ]; then
# 7, 8, 9, 11
init_data
if [ "${DPP_MODULE}" = 'y' ]; then
# 12, 13, 14
config_dpp_part1
fi
# non DL user (only for the inventory)
# flask adduser user2@dhub.com ${PASSWORD_DEMO}
# # 15. Add inventory snapshots for user "${EMAIL_DEMO}".
if [ "${IMPORT_SNAPSHOTS}" = 'y' ]; then
cp /mnt/snapshots/snapshot*.json ereuse_devicehub/commands/snapshot_files
/usr/bin/time flask snapshot "${EMAIL_DEMO}" ${PASSWORD_DEMO}
fi
if [ "${DPP_MODULE}" = 'y' ]; then
# 16, 20
config_dpp_part2
fi
# remain next command as the last operation for this if conditional
touch "${init_flagfile}"
fi
}
main() {
gen_env_vars
wait_for_postgres
config_phase
# 17. Use gunicorn
# thanks https://akira3030.github.io/formacion/articulos/python-flask-gunicorn-docker.html
# TODO meanwhile no nginx (step 19), gunicorn cannot serve static files, then we prefer development server
#gunicorn --access-logfile - --error-logfile - --workers 4 -b :5000 app:app
# alternative: run development server
flask run --host=0.0.0.0 --port 5000
# DEBUG
#sleep infinity
}
main "${@}"