SYNOPSIS

Simple Linux/UNIX process validator.

Check if process set by PID taken from pid file exists.

INSTALL

$ sparrow plg install proc-validate

USAGE

Manually

# check process by PID taken from pid file
$ sparrow plg run proc-validate --param pid_file=/var/run/nginx.pid

# check process by footprint 
$ sparrow plg run proc-validate --param footprint='sshd\s+-D'

Via Sparrowdo

$ cat sparrowfile

use v6;

use Sparrowdo;

task-run 'check foo process', 'proc-validate', %(
  parameters => %(
    pid_file => '/var/run/foo.pid'
  )
);

Advanced usage

Sometimes you need to verify that process data taken from ps
matches some regular expression, use footprint parameter for this:

$ sparrow plg run proc-validate --param pid_file=/var/run/nginx.pid --param footprint='nginx.*master'

Or via sparrowdo:

task-run 'check nginx', 'proc-validate', %(
  parameters => %(
    pid_file => '/var/run/nginx.pid',
    footprint => 'nginx.*master'
  )
);

Author

Alexey Melezhik