class NetDevExists(BasePlugin):
INTERFACE_PATH = "/sys/class/net"
SUBSYSTEM = 'netdev'
def __init__(self, config):
self.interfaces = config.get('interfaces')
self.metric = Gauge("exists",
"Interface existence",
subsystem=self.SUBSYSTEM,
namespace=NAMESPACE,
labelnames=["device"])
def collect(self):
dirs = os.listdir(self.INTERFACE_PATH)
for ask_iface in self.interfaces:
exists = False
for dir_iface in dirs:
if re.match(ask_iface, dir_iface):
exists |= True
break
self.metric.labels(ask_iface).set(float(exists))
class Imx28(BasePlugin):
SUBSYSTEM = 'sensors'
VOLTAGE_FILE = "/sys/class/power_supply/battery/voltage_now"
TEMP_RAW_FILE = "/sys/bus/iio/devices/iio:device0/in_temp8_raw"
def __init__(self, config):
self.metric = Gauge("imx28",
"Values from imx28 sensors",
labelnames=["label"],
subsystem=self.SUBSYSTEM,
namespace=NAMESPACE)
def collect(self):
with open(self.VOLTAGE_FILE) as f:
line = f.readline()
voltage = float(line) / 1000
with open(self.TEMP_RAW_FILE) as f:
raw = float(f.readline())
temp = (raw - 1075.69) * 0.253
self.metric.labels("voltage").set(voltage)
self.metric.labels("cpu_temp").set(temp)