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fedmsg-relay - Online in the Cloud

Run fedmsg-relay in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command fedmsg-relay that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



fedmsg-relay - relay connections from active loggers to the fedmsg bus


fedmsg-relay [--daemon] [<common fedmsg options>]

fedmsg-relay [-h|--help]


-h, --help
Print an help message and exit

Run in the background as a daemon.


--io-threads IO_THREADS
Number of io threads for 0mq to use

--topic-prefix TOPIC_PREFIX
Prefix for the topic of each message sent.

--post-init-sleep POST_INIT_SLEEP
Number of seconds to sleep after initializing.

--config-filename CONFIG_FILENAME
Config file to use.

Simply print out the configuration and exit. No action taken.

--timeout TIMEOUT
Timeout in seconds for any blocking zmq operations.

--high-water-mark HIGH_WATER_MARK
Limit on the number of messages in the queue before blocking.

--linger ZMQ_LINGER
Number of milliseconds to wait before timing out connections.


fedmsg-relay is a service which binds to two ports, listens for messages on one and emits
them on the other. fedmsg-logger(1) requires that an instance of fedmsg-relay be running
somewhere and that it's inbound address be listed in the config as one of the entries in

fedmsg-relay becomes a necessity for ephemeral senders, that cannot bind consistently to
and serve message from a persistent port.

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