Make rosbag2 nodes locally unique by suffixing with PID #1432
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Signed-off-by: Emerson Knapp <emerson.b.knapp@gmail.com>
emersonknapp
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jhdcs and
MichaelOrlov
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emersonknapp
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MichaelOrlov
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Jul 26, 2023
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@emersonknapp In general LGTM.
I am thinking that now the node name became autogenerated by default and it will be difficult to figure out what it is to send service requests from the command line.
It would be very handful to output the final node_name to the LOG_INFO() stream at least.
| @@ -148,6 +148,14 @@ def add_standard_reader_args(parser: ArgumentParser) -> None: | |||
| 'By default attempts to detect automatically - use this argument to override.') | |||
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| def add_standard_node_args(parser: ArgumentParser, prefix: str) -> None: | |||
| """Add arguments for for verbs that create a Node.""" | |||
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Suggested change
| """Add arguments for for verbs that create a Node.""" | |
| """Add arguments for verbs that create a Node.""" |
Nitpick, need to remove extra "for".
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Fixes #425
Copies same approach from https://github.com/AAlon/ros2cli/blob/master/ros2cli/ros2cli/node/direct.py#L37
Adds a
--node-nameoption to all verbs that create a ros2 node. Defaults toprefix_PIDby using Pythonos.getpid(). This way all running players/recorders will have locally unique names by default. "Locally" because within the local machine the PID will be unique, but may not be within a multi-machine system. In this case it probably pays to be explicit anyways, and the--node-nameoption allows for that.