ServerDensity plugin to graph open file handles

LinuxProcSysFs.py

#!/usr/bin/env python
class LinuxProcSysFs:
    def __init__(self, agentConfig, checksLogger, rawConfig):
        self.agentConfig = agentConfig
        self.checksLogger = checksLogger
        self.rawConfig = rawConfig

    def run(self):
        x = open('/proc/sys/fs/file-nr', 'r').readline().split()
        return {
            'open': x[0],
            'free': x[1],
            'max_open': x[2]
        }
        return x

if __name__ == "__main__":
    lpsf = LinuxProcSysFs(None, None, None)
    print lpsf.run()