import subprocess
import re
import types

def __run__(params):
    try:
        proc_name = params.get("proc_name")
        proc_regex = params.get("proc_regex")
        regexp = re.compile(proc_regex)
        p = subprocess.Popen(["ps", "-auxfww"], stdout=subprocess.PIPE)
        out, err = p.communicate()
        r = regexp.search(out)
        result = []
        if not isinstance(r, types.NoneType):
           result.append(r.group(0))
        if len(result) > 0:
                return [0,'OK: Process %s is running!' % proc_name]
        else:
                return [2, 'CRITICAL: Process %s is not running, check the service!' % proc_name]
    except Exception, e:
        return [2, 'CRITICAL: {0}'.format(str(e))]