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Ops tool to retrieve Health Status of a running Boot Application as well as its maven version

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sb-status

Ops tool to retrieve Health Status of a running Boot Application as well as its maven version

sb-status uses some reflection/attach/agent magic to conveniently get the maven version of a running Spring Boot Application identified by PID. The maven version will be sent to STDOUT. It also reads the actuator's healthEndpoint and returns non-zero, if the overall status is not 'UP'.

We use the nasty attach/agent method here in order to not force any non-standard dependency on the target Spring Boot Application. sb-status reads the maven version from the target's META-INF/MANIFEST.MF file.

We use this during deployment so that we can make sure a boot app is running and operational before we deploy another instance in order to provide an uninterrupted service.

Usage

sb-status [-vbotah] pid

Sequential arguments: pid
Process ID of the Boot application you want to grab the Status/Version from

Optional arguments:

--verbose                         -v 
    Create verbose output for debugging

--block                           -b 
    Use blocking mode

--timeout=val                     -o 
    Timeout when using blocking mode  value is an integer.

--toolsJar=val                    -t 
    Optional path to tools.jar – if unset, sb-status tries to find it

--alternativeVersionAttribute=val -a 
    Name of the alternative Manifest-Attribute to use as Version, if
    it is set and non null - Defaults to 'Implementation-Version'
    
--help                            -h This help

TODO

  • Test on MacOSX

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Ops tool to retrieve Health Status of a running Boot Application as well as its maven version

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