Test edgex-device-mqtt as a snap

test-device-mqtt.sh

#!/bin/bash -e

# remove any previous snaps
sudo snap remove edgexfoundry edgex-device-mqtt mosquitto

if ! command -v jq > /dev/null; then
    sudo snap install jq
fi

# install edgex-device-mqtt, mosquitto, and edgexfoundry
edgexSnapInstallChange=$(sudo snap install edgexfoundry --channel=edinburgh --no-wait)
sudo snap install edgex-device-mqtt --channel=edinburgh
sudo snap install mosquitto 


# download the example configuration.toml and the example device profile to 
# $SNAP_DATA
for f in configuration.toml mqtt.test.device.profile.yml; do
    sudo curl -s https://raw.githubusercontent.com/edgexfoundry/device-mqtt-go/master/cmd/res/example/$f --output /var/snap/edgex-device-mqtt/current/config/device-mqtt/res/$f
done

# replace the ProfilesDir with $SNAP_DATA so that the device profile gets picked up
SNAP_REVISION=$(snap run --shell edgex-device-mqtt.device-mqtt -c "echo \$SNAP_REVISION")
sudo sed -i \
    -e s:'ProfilesDir = \"./res/example\"':"ProfilesDir = \"/var/snap/edgex-device-mqtt/$SNAP_REVISION/config/device-mqtt/res\"": \
    /var/snap/edgex-device-mqtt/current/config/device-mqtt/res/configuration.toml

# wait for edgex to finish starting up
snap watch "$edgexSnapInstallChange"

# enable device-mqtt
sudo snap start --enable edgex-device-mqtt.device-mqtt

# wait 10 seconds for everything to come online
sleep 10

# send a reading to device-mqtt
mosquitto_pub -t DataTopic -m '{"name":"MQTT test device","cmd":"randfloat32","randfloat32":"1.2"}'

# wait a few seconds for it to get sent to core-data
sleep 5

# make sure the reading shows up in core-data
curl -s localhost:48080/api/v1/reading | jq