facts sample

facts.py

  def get_memory_facts(self):
 
# Here we declare a new list
 
        memstats = {}
        if not os.access("/proc/meminfo", os.R_OK):
            return
        for line in open("/proc/meminfo").readlines():
            data = line.split(":", 1)
            key = data[0]
            if key in LinuxHardware.MEMORY_FACTS:
                val = data[1].strip().split(' ')[0]
                self.facts["%s_mb" % key.lower()] = long(val) / 1024
            if key in LinuxHardware.MEMORY_FACTS or key in LinuxHardware.EXTRA_MEMORY_FACTS:
                 val = data[1].strip().split(' ')[0]
 
# This is where we use the list we created earlier and start populating it with information
 
                 memstats[key.lower()] = long(val) / 1024
 
# Here we simply add another key to the self.facts list which is proper json format and references the memstats key:values with some trivial math included
 
        self.facts['memory_mb'] = {
                     'real' : {
                         'total': memstats['memtotal'],
                         'used': (memstats['memtotal'] - memstats['memfree']),
                         'free': memstats['memfree']
                     },
                     'nocache' : {
                         'free': memstats['cached'] + memstats['memfree'] + memstats['buffers'],
                         'used': memstats['memtotal'] - (memstats['cached'] + memstats['memfree'] + memstats['buffers'])
                     },
                     'swap' : {
                         'total': memstats['swaptotal'],
                         'free': memstats['swapfree'],
                         'used': memstats['swaptotal'] - memstats['swapfree'],
                         'cached': memstats['swapcached']
                     }
                 }