Monitor file changes and publish contents to MQTT whenever the file is updated. Provides the functionality of watchdir but for just a single path.
$ pip install mqtt_relayusage: mqtt-relay [-h] [-H HOST] [-P PORT] [--connect-timeout CONNECT_TIMEOUT]
[--max-reconnect-delay MAX_RECONNECT_DELAY] [-u USERNAME]
[-p PASSWORD] [--password-file PASSWORD_FILE] [-c CLIENT_ID] [-C] -t
TOPIC [--payload-file-missing PAYLOAD_FILE_MISSING] [-q {0,1,2}]
[-R] [--refresh-interval REFRESH_INTERVAL] [--keepalive KEEPALIVE]
[--tls] [--tls-insecure TLS_INSECURE] [--ca-certs CA_CERTS]
[--certfile CERTFILE] [--keyfile KEYFILE]
[--birth-topic BIRTH_TOPIC] [--birth-payload BIRTH_PAYLOAD]
[--birth-qos {0,1,2}] [--birth-retain] [--will-topic WILL_TOPIC]
[--will-payload WILL_PAYLOAD] [--will-qos {0,1,2}] [--will-retain]
[--inotify-trigger-delay INOTIFY_TRIGGER_DELAY]
[--inotify-restart-delay INOTIFY_RESTART_DELAY] [--daemon]
[--pidfile PIDFILE] [-d DEBUG] [--logfile LOGFILE] [-v]
path
positional arguments:
path Path to file whose contents are relayed to MQTT
options:
-h, --help show this help message and exit
-H HOST, --host HOST Hostname for the MQTT broker
-P PORT, --port PORT Port for the MQTT broker
--connect-timeout CONNECT_TIMEOUT
Timeout for initial connection to MQTT broker
--max-reconnect-delay MAX_RECONNECT_DELAY
Set maximum broker reconnect delay (in seconds)
-u USERNAME, --username USERNAME
Username to authenticate with MQTT broker
-p PASSWORD, --password PASSWORD
Password to authenticate with MQTT broker
--password-file PASSWORD_FILE
Path to file to read password from
-c CLIENT_ID, --client-id CLIENT_ID
Client ID to use when connecting to MQTT broker
-C, --clean-session Set MQTT retain flag for published message
-t TOPIC, --topic TOPIC
MQTT topic for published message
--payload-file-missing PAYLOAD_FILE_MISSING
MQTT payload to publish if file is not found
-q {0,1,2}, --qos {0,1,2}
MQTT QoS for published message
-R, --retain Set MQTT retain flag for published message
--refresh-interval REFRESH_INTERVAL
Set the interval for republishing with current content
--keepalive KEEPALIVE
Set the keepalive interval for the MQTT client
--tls Enable SSL/TLS support
--tls-insecure TLS_INSECURE
Disable certificate verification. Not recommended
--ca-certs CA_CERTS Path to the Certificate Authority certificate files that are
to be treated as trusted
--certfile CERTFILE Path to the PEM encoded client certificate for authentication
with the broker
--keyfile KEYFILE Path to the private keys for authentication with the broker
--birth-topic BIRTH_TOPIC
Set a birth topic to be sent to the broker
--birth-payload BIRTH_PAYLOAD
Set a birth payload to be sent to the broker
--birth-qos {0,1,2} Set the QoS for the birth payload
--birth-retain Set retain flag for the birth payload
--will-topic WILL_TOPIC
Set a will topic to be sent to the broker
--will-payload WILL_PAYLOAD
Set a will payload to be sent to the broker
--will-qos {0,1,2} Set the QoS for the will payload
--will-retain Set retain flag for the will payload
--inotify-trigger-delay INOTIFY_TRIGGER_DELAY
Time in seconds to wait after file update is detected before
publishing file
--inotify-restart-delay INOTIFY_RESTART_DELAY
Time in seconds to wait before restarting inotify watcher
--daemon Run application as a daemon
--pidfile PIDFILE File to store PID when running as a daemon
-d DEBUG, --debug DEBUG
Set application debug level
--logfile LOGFILE File to log messages to
-v, --version Show application version