rrd-snippet.txt

class DiskTempPlugin(RRDBase, DiskBase):

    vertical_label = "Temperature (Celsius)"

    def get_title(self):
        title = self.identifier.replace("disk-", "")
        return f'Disk drive temperature on ({title}) {self.get_disk_description(title)}'

    def get_identifiers(self):
        ids = []
        for entry in glob.glob('%s/disk-*' % self._base_path):
            ident = entry.split('-', 1)[-1]
            if not os.path.exists('/dev/%s' % ident):
                continue
            if ident.startswith('pass'):
                continue
            if os.path.exists(os.path.join(entry, 'temperature.rrd')):
                ids.append(ident)

        ids.sort(key=RRDBase._sort_disks)
        return ids

    def graph(self):

        path = os.path.join(self._base_path, "disk-%s" % self.identifier, "temperature.rrd")

        args = [
            'DEF:min_rd=%s:value:MIN' % path,
            'DEF:avg_rd=%s:value:AVERAGE' % path,
            'DEF:max_rd=%s:value:MAX' % path,
            'AREA:avg_rd#bfbfff',
            'LINE1:avg_rd#0000ff:Temperature ',
            'GPRINT:min_rd:MIN:%5.1lf%s Min\g',
            'GPRINT:avg_rd:AVERAGE: %5.1lf%s Avg\g',
            'GPRINT:max_rd:MAX: %5.1lf%s Max\g',
            'GPRINT:avg_rd:LAST: %5.1lf%s Last\g',
        ]

        return args