Use autotools

[collecty.git] / src / collecty / plugins / memory.py

diff --git a/src/collecty/plugins/memory.py b/src/collecty/plugins/memory.py
new file mode 100644 (file)
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+++ b/src/collecty/plugins/memory.py
@@ -0,0 +1,143 @@
+#!/usr/bin/python
+###############################################################################
+#                                                                             #
+# collecty - A system statistics collection daemon for IPFire                 #
+# Copyright (C) 2012 IPFire development team                                  #
+#                                                                             #
+# This program is free software: you can redistribute it and/or modify        #
+# it under the terms of the GNU General Public License as published by        #
+# the Free Software Foundation, either version 3 of the License, or           #
+# (at your option) any later version.                                         #
+#                                                                             #
+# This program is distributed in the hope that it will be useful,             #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+from __future__ import division
+
+import base
+
+from ..i18n import _
+
+class GraphTemplateMemory(base.GraphTemplate):
+       name = "memory"
+
+       rrd_graph = [
+               "DEF:used=%(file)s:used:AVERAGE",
+               "DEF:cached=%(file)s:cached:AVERAGE",
+               "DEF:buffered=%(file)s:buffered:AVERAGE",
+               "DEF:free=%(file)s:free:AVERAGE",
+               "DEF:swap=%(file)s:swap:AVERAGE",
+
+               "AREA:used#90EE90:%-15s" % _("Used memory"),
+               "VDEF:usedmin=used,MINIMUM",
+               "VDEF:usedmax=used,MAXIMUM",
+               "VDEF:usedavg=used,AVERAGE",
+               "GPRINT:usedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
+               "GPRINT:usedmin:%12s\:" % _("Minimum") + " %6.2lf",
+               "GPRINT:usedavg:%12s\:" % _("Average") + " %6.2lf\\n",
+
+               "STACK:buffered#4169E1:%-15s" % _("Buffered data"),
+               "VDEF:bufferedmin=buffered,MINIMUM",
+               "VDEF:bufferedmax=buffered,MAXIMUM",
+               "VDEF:bufferedavg=buffered,AVERAGE",
+               "GPRINT:bufferedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
+               "GPRINT:bufferedmin:%12s\:" % _("Minimum") + " %6.2lf",
+               "GPRINT:bufferedavg:%12s\:" % _("Average") + " %6.2lf\\n",
+
+               "STACK:cached#FFD700:%-15s" % _("Cached data"),
+               "VDEF:cachedmin=cached,MINIMUM",
+               "VDEF:cachedmax=cached,MAXIMUM",
+               "VDEF:cachedavg=cached,AVERAGE",
+               "GPRINT:cachedmax:%12s\:" % _("Maximum") + " %6.2lf" ,
+               "GPRINT:cachedmin:%12s\:" % _("Minimum") + " %6.2lf",
+               "GPRINT:cachedavg:%12s\:" % _("Average") + " %6.2lf\\n",
+
+#              "STACK:free#7799ff:%-15s" % _("Free memory"),
+#              "VDEF:freemin=free,MINIMUM",
+#              "VDEF:freemax=free,MAXIMUM",
+#              "VDEF:freeavg=free,AVERAGE",
+#              "GPRINT:freemax:%12s\:" % _("Maximum") + " %6.2lf" ,
+#              "GPRINT:freemin:%12s\:" % _("Minimum") + " %6.2lf",
+#              "GPRINT:freeavg:%12s\:" % _("Average") + " %6.2lf\\n",
+
+               "LINE3:swap#ff0000:%-15s" % _("Used Swap space"),
+               "VDEF:swapmin=swap,MINIMUM",
+               "VDEF:swapmax=swap,MAXIMUM",
+               "VDEF:swapavg=swap,AVERAGE",
+               "GPRINT:swapmax:%12s\:" % _("Maximum") + " %6.2lf" ,
+               "GPRINT:swapmin:%12s\:" % _("Minimum") + " %6.2lf",
+               "GPRINT:swapavg:%12s\:" % _("Average") + " %6.2lf\\n",
+       ]
+
+       rrd_graph_args = [
+               "--title", _("Memory Usage"),
+               "--vertical-label", _("Percent"),
+
+               # Limit y axis.
+               "--upper-limit", "100",
+               "--lower-limit", "0",
+               "--rigid",
+       ]
+
+
+class DataSourceMemory(base.DataSource):
+       name = "memory"
+       description = "Memory Usage Data Source"
+
+       templates = [GraphTemplateMemory,]
+
+       rrd_schema = [
+               "DS:used:GAUGE:0:100",
+               "DS:cached:GAUGE:0:100",
+               "DS:buffered:GAUGE:0:100",
+               "DS:free:GAUGE:0:100",
+               "DS:swap:GAUGE:0:100",
+       ]
+
+       @classmethod
+       def autocreate(cls, collecty, **kwargs):
+               # Every system has got memory.
+               return cls(collecty, **kwargs)
+
+       def read(self):
+               f = None
+
+               try:
+                       f = open("/proc/meminfo")
+                       for line in f.readlines():
+                               if line.startswith("MemTotal:"):
+                                       total = float(line.split()[1])
+                               if line.startswith("MemFree:"):
+                                       free = float(line.split()[1])
+                               elif line.startswith("Buffers:"):
+                                       buffered = float(line.split()[1])
+                               elif line.startswith("Cached:"):
+                                       cached = float(line.split()[1])
+                               elif line.startswith("SwapTotal:"):
+                                       swapt = float(line.split()[1])
+                               elif line.startswith("SwapFree:"):
+                                       swapf = float(line.split()[1])
+
+                       ret = [
+                               "%s" % ((total - (free + buffered + cached)) * 100 / total),
+                               "%s" % (cached * 100 / total),
+                               "%s" % (buffered * 100 / total),
+                               "%s" % (free * 100 / total),
+                       ]
+
+                       if swapt:
+                               ret.append("%s" % ((swapt - swapf) * 100 / swapt))
+                       else:
+                               ret.append("0")
+
+                       return ":".join(ret)
+               finally:
+                       if f:
+                               f.close()