1 files changed, 52 insertions, 0 deletions
diff --git a/monitorplugins/disk.py b/monitorplugins/disk.py
new file mode 100644
index 0000000..cde18d1
--- /dev/null
+++ b/monitorplugins/disk.py
@@ -0,0 +1,52 @@
+import os
+
+class DiskMonitor:
+	def __init__(self):
+		self.devices = {}
+		dnames = os.listdir("/sys/block/")
+		for d in dnames:
+			try:
+				v = open("/sys/block/"+d+"/device/vendor").read().strip()
+			except:
+				v = None
+			if v != "ATA" and v != "SCSI":
+				continue
+			self.devices[d] = {}
+			self.devices[d]["new"] = ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0']
+			self.devices[d]["max"] = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
+			self.__updateStat__(d)
+			self.devices[d]["max"] = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
+		print self.devices
+
+
+	def __calcdiff__(self, dev):
+		l = []
+		for i in xrange(len(self.devices[dev]["old"])):
+			l.append(int(self.devices[dev]["new"][i]) - int(self.devices[dev]["old"][i]))
+		return l
+
+	def __updateStat__(self, dev):
+		l = open("/sys/block/"+dev+"/stat", "r").read()
+		self.devices[dev]["old"] = self.devices[dev]["new"]
+		self.devices[dev]["new"] = l.split()
+		l = self.__calcdiff__(dev)
+		for i in xrange(len(l)):
+			if l[i] > self.devices[dev]["max"][i]:
+				self.devices[dev]["max"][i] = l[i]
+
+	def __update__(self):
+		for dev in self.devices.keys():
+			self.__updateStat__(dev)
+			self.devices[dev]["diff"] = self.__calcdiff__(dev)
+		
+	def getLoad(self):
+		self.__update__()
+		ret = {}
+		ret["DISK"] = {}
+		for dev in self.devices.keys():
+			ret["DISK"][dev] = {}
+			ret["DISK"][dev]["READ"] = float(self.devices[dev]["diff"][1]) / float(self.devices[dev]["max"][1])
+			ret["DISK"][dev]["WRITE"] = float(self.devices[dev]["diff"][5]) / float(self.devices[dev]["max"][5])
+		return ret
+
+_plugin = DiskMonitor()