[git.ipfire.org] Statistics collection daemon. branch, master, updated. 4dc6b0c93eae269afa6e2597d3620ce152f06c70
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- Log ----------------------------------------------------------------- commit 4dc6b0c93eae269afa6e2597d3620ce152f06c70 Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 16:20:50 2012 +0000
Let the main thread regularly submit all data to disk.
commit 708c842f2ef963fd343ba5cf75eb512438d643ad Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 15:51:55 2012 +0000
memory: Update plugin.
commit 0de83e4d7d6678029ff94681f9472a431ef72df3 Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 15:44:22 2012 +0000
memory: Update plugin.
commit a116f2fb7c8d59894bcdce7a9f3306a2e3ac3470 Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 15:43:48 2012 +0000
cpu: Automatically create one instance.
commit 13b7bc4615e0c11f2323ca6feffdf9b789a80250 Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 15:42:12 2012 +0000
Enable plugins to automatically create instances of them.
So, we have some kind of autoconfiguration for the most things.
commit bf012438797b0c0fda425892b754f6c8d1867634 Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 14:41:48 2012 +0000
Add constants file.
commit 6b8cd5784722d87772075bb7558003e4ad3ff050 Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 14:40:57 2012 +0000
Format log messages, so one can see the origin of the message.
commit 49ce926e3c7f810c288aaf4be7ec7402eec285df Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 14:23:48 2012 +0000
Get rid of python-daemon. Properly handle signals.
commit cc19aed8652e5776b6da451d4de1e55ce62ced58 Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 12:36:28 2012 +0000
Update the CPU plugin for new schema.
commit 4ac0cdf084645e2aac15c2129bcbb1d414b4212c Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 12:36:08 2012 +0000
plugins: Restructure the plugin concept.
commit 5a2ff9596d1f19116d994c461aecdd3f381eb9a9 Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 12:35:38 2012 +0000
Add some basic logging.
commit b01622486e48f563b63e4a129179ac7b79caf519 Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 10:27:44 2012 +0000
Fix installation.
commit eed405de851a1cf80748dcd31ca1995f97e126ab Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 10:21:52 2012 +0000
plugins: Split all plugins into separate files.
commit 05a55b561989408a1f2198ef84f077f36d36672f Author: Michael Tremer michael.tremer@ipfire.org Date: Sat Aug 4 09:53:57 2012 +0000
Create an i18n submodule.
commit cd57e2f39e42ce2e4f348d3034ba344beef2a5ad Author: Michael Tremer michael.tremer@ipfire.org Date: Fri Aug 3 14:03:12 2012 +0000
Add proper license headers.
-----------------------------------------------------------------------
Summary of changes: Makefile | 25 +++- collecty/__init__.py | 114 ++++++++++++- collecty/constants.py | 22 +++ collecty/i18n.py | 38 ++++ collecty/plugins/__init__.py | 384 ++++-------------------------------------- collecty/plugins/base.py | 218 ++++++++++++++++++++++++ collecty/plugins/cpu.py | 140 +++++++++++++++ collecty/plugins/loadavg.py | 78 +++++++++ collecty/plugins/memory.py | 124 ++++++++++++++ collectyd | 48 +++--- 10 files changed, 807 insertions(+), 384 deletions(-) create mode 100644 collecty/constants.py create mode 100644 collecty/i18n.py create mode 100644 collecty/plugins/base.py create mode 100644 collecty/plugins/cpu.py create mode 100644 collecty/plugins/loadavg.py create mode 100644 collecty/plugins/memory.py
Difference in files: diff --git a/Makefile b/Makefile index 42a17e3..2e1b018 100644 --- a/Makefile +++ b/Makefile @@ -1,10 +1,29 @@ +############################################################################### +# # +# 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/. # +# # +###############################################################################
NAME = collecty VERSION = 0.0.1
DESTDIR = -PYTHON_VER := $(shell python --version 2>&1 | awk '{ print $$NF }') -PYTHON_DIR = $(DESTDIR)/usr/lib/python$(PYTHON_VER)/site-packages/$(NAME)/ +PYTHON_VER := $(shell python -c "import platform; print '.'.join(platform.python_version_tuple()[:2])") +PYTHON_DIR = $(DESTDIR)/usr/lib/python$(PYTHON_VER)/site-packages/
all:
@@ -15,7 +34,7 @@ dist: install: -mkdir -pv $(PYTHON_DIR) cp -rvf collecty $(PYTHON_DIR) - install -v -m 755 colletyd $(DESTDIR)/usr/sbin + install -v -m 755 collectyd $(DESTDIR)/usr/sbin
-mkdir -pv $(DESTDIR)/var/rrd
diff --git a/collecty/__init__.py b/collecty/__init__.py index c799b53..5e684f4 100644 --- a/collecty/__init__.py +++ b/collecty/__init__.py @@ -1,19 +1,83 @@ #!/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/. # +# # +###############################################################################
import signal +import time
import ConfigParser as configparser
import plugins
+from i18n import _ + +# Initialize logging. +import logging +log = logging.getLogger("collecty") +log.level = logging.DEBUG + +handler = logging.StreamHandler() +handler.setLevel(logging.DEBUG) +log.handlers.append(handler) + +formatter = logging.Formatter("%(asctime)s | %(name)-20s - %(levelname)-6s | %(message)s") +handler.setFormatter(formatter) + class ConfigError(Exception): pass
class Collecty(object): + # The default interval, when all data is written to disk. + SUBMIT_INTERVAL = 300 + + HEARTBEAT = 2 + def __init__(self): self.config = configparser.ConfigParser() self.instances = []
+ # Indicates whether this process should be running or not. + self.running = True + + # Add all automatic plugins. + self.add_autocreate_plugins() + + log.info(_("Collecty successfully initialized.")) + + def add_autocreate_plugins(self): + for plugin in plugins.registered_plugins: + if not hasattr(plugin, "autocreate"): + continue + + ret = plugin.autocreate(self) + if not ret: + continue + + if not type(ret) == type([]): + ret = [ret,] + + log.debug(_("Plugin '%(name)s' registered %(number)s instance(s).") % \ + { "name" : plugin.name, "number" : len(ret) }) + + self.instances += ret + def read_config(self, config): self.config.read(config) @@ -37,16 +101,56 @@ class Collecty(object): i = plugin(self, **kwargs) self.instances.append(i)
- def debug(self, message): - print message - def run(self): - signal.signal(signal.SIGTERM, lambda *args: self.shutdown()) + # Register signal handlers. + self.register_signal_handler()
+ # Start all plugin instances. for i in self.instances: i.start()
+ # Regularly submit all data to disk. + counter = self.SUBMIT_INTERVAL / self.HEARTBEAT + while self.running: + time.sleep(self.HEARTBEAT) + counter -= 1 + + if counter == 0: + self.submit_all() + counter = self.SUBMIT_INTERVAL / self.HEARTBEAT + + # Wait until all instances are finished. + while self.instances: + for instance in self.instances[:]: + if not instance.isAlive(): + log.debug(_("%s is not alive anymore. Removing.") % instance) + self.instances.remove(instance) + + # Wait a bit. + time.sleep(0.1) + + log.debug(_("No thread running. Exiting main thread.")) + + def submit_all(self): + """ + Submit all data right now. + """ + for i in self.instances: + i._submit() + def shutdown(self): + log.debug(_("Received shutdown signal")) + + self.running = False + + # Propagating shutdown to all threads. for i in self.instances: - self.debug("Stopping %s..." % i) i.shutdown() + + def register_signal_handler(self): + for s in (signal.SIGTERM, signal.SIGINT): + signal.signal(s, self.signal_handler) + + def signal_handler(self, *args, **kwargs): + # Shutdown this application. + self.shutdown() diff --git a/collecty/constants.py b/collecty/constants.py new file mode 100644 index 0000000..969a083 --- /dev/null +++ b/collecty/constants.py @@ -0,0 +1,22 @@ +#!/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/. # +# # +############################################################################### + +DATABASE_DIR = "/var/lib/collecty" diff --git a/collecty/i18n.py b/collecty/i18n.py new file mode 100644 index 0000000..75c78fe --- /dev/null +++ b/collecty/i18n.py @@ -0,0 +1,38 @@ +#!/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/. # +# # +############################################################################### + +import gettext + +TEXTDOMAIN = "collecty" + +N_ = lambda x: x + +def _(singular, plural=None, n=None): + """ + A function that returnes the translation of a string if available. + + The language is taken from the system environment. + """ + if not plural is None: + assert n is not None + return gettext.dngettext(TEXTDOMAIN, singular, plural, n) + + return gettext.dgettext(TEXTDOMAIN, singular) diff --git a/collecty/plugins/__init__.py b/collecty/plugins/__init__.py index 74774b7..a8af815 100644 --- a/collecty/plugins/__init__.py +++ b/collecty/plugins/__init__.py @@ -1,354 +1,30 @@ - -import os - -import rrdtool -import time - -from threading import Thread - -import gettext -_ = lambda x: gettext.ldgettext("collecty", x) - -registered_plugins = [] - -def find(name): - for plugin in registered_plugins: - if plugin._type == name: - return plugin - -def register(plugin): - registered_plugins.append(plugin) - -class Plugin(Thread): - def __init__(self, collecty, **kwargs): - Thread.__init__(self) - self.collecty = collecty - - self.interval = int(kwargs.get("interval", 60)) - - # Keepalive options - self.heartbeat = 2 - self.killed = False - - self.wakeup = self.interval / self.heartbeat - - self.file = kwargs.get("file", None) - if not self.file.startswith("/"): - self.file = os.path.join("/var/rrd", self.file) - - self.data = [] - - self.create() - - def __repr__(self): - return "<Plugin %s>" % self._type - - def __str__(self): - return "Plugin %s %s" % (self._type, self.file) - - def run(self): - self.collecty.debug("%s started..." % self) - - c = 0 - while True: - if self.killed: - self.update() - self.collecty.debug("%s stoppped..." % self) - return - - if c == 0: - self.data.append(self.collect()) - self.collecty.debug("%s collectd: %s..." % (self, self.data[-1])) - - self.update() - - c = self.wakeup - - c = c - 1 - time.sleep(self.heartbeat) - - def shutdown(self): - self.killed = True - - def time(self): - return int(time.time()) # Should return time as int in UTC - - def create(self): - if not os.path.exists(self.file): - rrdtool.create(self.file, *self._rrd) - - def update(self): - if self.data: - self.collecty.debug("%s saving data..." % self) - rrdtool.update(self.file, *self.data) - self.data = [] - - def collect(self): - raise Exception, "Not implemented" - - def graph(self, file, interval=None): - args = [ "--imgformat", "PNG", - "-w", "580", # Width of the graph - "-h", "240", # Height of the graph - "--interlaced", "--slope-mode", ] - - intervals = { None : "-3h", - "hour" : "-1h", - "day" : "-25h", - "week" : "-360h" } - - args.append("--start") - if intervals.has_key(interval): - args.append(intervals[interval]) - else: - args.append(interval) - - info = { "file" : self.file } - for item in self._graph: - try: - args.append(item % info) - except TypeError: - args.append(item) - - rrdtool.graph(file, *args) - - def info(self): - return rrdtool.info(self.file) - - -class PluginCpu(Plugin): - _name = "CPU Usage Plugin" - _type = "cpu" - - _rrd = [ "DS:user:GAUGE:120:0:100", - "DS:nice:GAUGE:120:0:100", - "DS:sys:GAUGE:120:0:100", - "DS:idle:GAUGE:120:0:100", - "DS:wait:GAUGE:120:0:100", - "DS:interrupt:GAUGE:120:0:100", - "RRA:AVERAGE:0.5:1:2160", - "RRA:AVERAGE:0.5:5:2016", - "RRA:AVERAGE:0.5:15:2880", - "RRA:AVERAGE:0.5:60:8760" ] - - _graph = [ "DEF:user=%(file)s:user:AVERAGE", - "DEF:nice=%(file)s:nice:AVERAGE", - "DEF:sys=%(file)s:sys:AVERAGE", - "DEF:idle=%(file)s:idle:AVERAGE", - "DEF:wait=%(file)s:wait:AVERAGE", - "DEF:interrupt=%(file)s:interrupt:AVERAGE", - "AREA:user#ff0000:%-15s" % _("User"), - "VDEF:usermin=user,MINIMUM", - "VDEF:usermax=user,MAXIMUM", - "VDEF:useravg=user,AVERAGE", - "GPRINT:usermax:%12s:" % _("Maximum") + " %6.2lf" , - "GPRINT:usermin:%12s:" % _("Minimum") + " %6.2lf", - "GPRINT:useravg:%12s:" % _("Average") + " %6.2lf\n", - "STACK:nice#ff3300:%-15s" % _("Nice"), - "VDEF:nicemin=nice,MINIMUM", - "VDEF:nicemax=nice,MAXIMUM", - "VDEF:niceavg=nice,AVERAGE", - "GPRINT:nicemax:%12s:" % _("Maximum") + " %6.2lf" , - "GPRINT:nicemin:%12s:" % _("Minimum") + " %6.2lf", - "GPRINT:niceavg:%12s:" % _("Average") + " %6.2lf\n", - "STACK:sys#ff6600:%-15s" % _("System"), - "VDEF:sysmin=sys,MINIMUM", - "VDEF:sysmax=sys,MAXIMUM", - "VDEF:sysavg=sys,AVERAGE", - "GPRINT:sysmax:%12s:" % _("Maximum") + " %6.2lf" , - "GPRINT:sysmin:%12s:" % _("Minimum") + " %6.2lf", - "GPRINT:sysavg:%12s:" % _("Average") + " %6.2lf\n", - "STACK:wait#ff9900:%-15s" % _("Wait"), - "VDEF:waitmin=wait,MINIMUM", - "VDEF:waitmax=wait,MAXIMUM", - "VDEF:waitavg=wait,AVERAGE", - "GPRINT:waitmax:%12s:" % _("Maximum") + " %6.2lf" , - "GPRINT:waitmin:%12s:" % _("Minimum") + " %6.2lf", - "GPRINT:waitavg:%12s:" % _("Average") + " %6.2lf\n", - "STACK:interrupt#ffcc00:%-15s" % _("Interrupt"), - "VDEF:interruptmin=interrupt,MINIMUM", - "VDEF:interruptmax=interrupt,MAXIMUM", - "VDEF:interruptavg=interrupt,AVERAGE", - "GPRINT:interruptmax:%12s:" % _("Maximum") + " %6.2lf" , - "GPRINT:interruptmin:%12s:" % _("Minimum") + " %6.2lf", - "GPRINT:interruptavg:%12s:" % _("Average") + " %6.2lf\n", - "STACK:idle#ffff00:%-15s" % _("Idle"), - "VDEF:idlemin=idle,MINIMUM", - "VDEF:idlemax=idle,MAXIMUM", - "VDEF:idleavg=idle,AVERAGE", - "GPRINT:idlemax:%12s:" % _("Maximum") + " %6.2lf" , - "GPRINT:idlemin:%12s:" % _("Minimum") + " %6.2lf", - "GPRINT:idleavg:%12s:" % _("Average") + " %6.2lf\n", ] - - def __init__(self, collecty, **kwargs): - Plugin.__init__(self, collecty, **kwargs) - - def collect(self): - ret = "%s" % self.time() - f = open("/proc/stat") - for line in f.readlines(): - if not line.startswith("cpu"): - continue - a = line.split() - if len(a) < 6: - continue - - user = float(a[1]) - nice = float(a[2]) - sys = float(a[3]) - idle = float(a[4]) - wait = float(a[5]) - interrupt = float(a[6]) - sum = float(user + nice + sys + idle + wait + interrupt) - - ret += ":%s" % (user * 100 / sum) - ret += ":%s" % (nice * 100 / sum) - ret += ":%s" % (sys * 100 / sum) - ret += ":%s" % (idle * 100 / sum) - ret += ":%s" % (wait * 100 / sum) - ret += ":%s" % (interrupt * 100 / sum) - break - - f.close() - return ret - -register(PluginCpu) - - -class PluginLoad(Plugin): - _name = "Loadaverage Plugin" - _type = "load" - - _rrd = ["DS:load1:GAUGE:120:0:U", - "DS:load5:GAUGE:120:0:U", - "DS:load15:GAUGE:120:0:U", - "RRA:AVERAGE:0.5:1:2160", - "RRA:AVERAGE:0.5:5:2016", - "RRA:AVERAGE:0.5:15:2880", - "RRA:AVERAGE:0.5:60:8760" ] - - _graph = [ "DEF:load1=%(file)s:load1:AVERAGE", - "DEF:load5=%(file)s:load5:AVERAGE", - "DEF:load15=%(file)s:load15:AVERAGE", - "AREA:load1#ff0000:%s" % _("Load average 1m"), - "VDEF:load1min=load1,MINIMUM", - "VDEF:load1max=load1,MAXIMUM", - "VDEF:load1avg=load1,AVERAGE", - "GPRINT:load1max:%12s:" % _("Maximum") + " %6.2lf" , - "GPRINT:load1min:%12s:" % _("Minimum") + " %6.2lf", - "GPRINT:load1avg:%12s:" % _("Average") + " %6.2lf\n", - "AREA:load5#ff9900:%s" % _("Load average 5m"), - "VDEF:load5min=load5,MINIMUM", - "VDEF:load5max=load5,MAXIMUM", - "VDEF:load5avg=load5,AVERAGE", - "GPRINT:load5max:%12s:" % _("Maximum") + " %6.2lf" , - "GPRINT:load5min:%12s:" % _("Minimum") + " %6.2lf", - "GPRINT:load5avg:%12s:" % _("Average") + " %6.2lf\n", - "AREA:load15#ffff00:%s" % _("Load average 15m"), - "VDEF:load15min=load15,MINIMUM", - "VDEF:load15max=load15,MAXIMUM", - "VDEF:load15avg=load15,AVERAGE", - "GPRINT:load15max:%12s:" % _("Maximum") + " %6.2lf" , - "GPRINT:load15min:%12s:" % _("Minimum") + " %6.2lf", - "GPRINT:load15avg:%12s:" % _("Average") + " %6.2lf\n", - "LINE:load5#dd8800", - "LINE:load1#dd0000", ] - - def __init__(self, collecty, **kwargs): - Plugin.__init__(self, collecty, **kwargs) - - def collect(self): - ret = "%s" % self.time() - for load in os.getloadavg(): - ret += ":%s" % load - return ret - -register(PluginLoad) - - -class PluginMem(Plugin): - _name = "Memory Usage Plugin" - _type = "mem" - - _rrd = ["DS:used:GAUGE:120:0:100", - "DS:cached:GAUGE:120:0:100", - "DS:buffered:GAUGE:120:0:100", - "DS:free:GAUGE:120:0:100", - "DS:swap:GAUGE:120:0:100", - "RRA:AVERAGE:0.5:1:2160", - "RRA:AVERAGE:0.5:5:2016", - "RRA:AVERAGE:0.5:15:2880", - "RRA:AVERAGE:0.5:60:8760" ] - - _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#0000ee:%-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:cached#0099ee:%-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:buffered#4499ff:%-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: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", ] - - def __init__(self, collecty, **kwargs): - Plugin.__init__(self, collecty, **kwargs) - - def collect(self): - ret = "%s" % self.time() - 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]) - - f.close() - - ret += ":%s" % ((total - (free + buffered + cached)) * 100 / total) - ret += ":%s" % (cached * 100 / total) - ret += ":%s" % (buffered * 100 / total) - ret += ":%s" % (free * 100 / total) - ret += ":%s" % ((swapt - swapf) * 100 / swapt) - - return ret - -register(PluginMem) +#!/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/. # +# # +############################################################################### + +import cpu +import loadavg +import memory + +registered_plugins = [ + cpu.PluginCPU, + loadavg.PluginLoadAvg, + memory.PluginMemory, +] diff --git a/collecty/plugins/base.py b/collecty/plugins/base.py new file mode 100644 index 0000000..472a3a0 --- /dev/null +++ b/collecty/plugins/base.py @@ -0,0 +1,218 @@ +#!/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/. # +# # +############################################################################### + +import logging +import os +import rrdtool +import threading +import time + +from ..constants import * +from ..i18n import _ + +class Plugin(threading.Thread): + # The name of this plugin. + name = None + + # A description for this plugin. + description = None + + # The schema of the RRD database. + rrd_schema = None + + # The default interval of this plugin. + default_interval = 60 + + def __init__(self, collecty, **kwargs): + threading.Thread.__init__(self, name=self.description) + self.daemon = True + + self.collecty = collecty + + # Check if this plugin was configured correctly. + assert self.name, "Name of the plugin is not set: %s" % self.name + assert self.description, "Description of the plugin is not set: %s" % self.description + assert self.rrd_schema + + # Initialize the logger. + self.log = logging.getLogger("collecty.plugins.%s" % self.name) + self.log.propagate = 1 + + # Keepalive options + self.heartbeat = 2 + self.running = True + + self.data = [] + + # Create the database file. + self.create() + + # Run some custom initialization. + self.init() + + self.log.info(_("Successfully initialized.")) + + def __repr__(self): + return "<Plugin %s>" % self.name + + def __str__(self): + return "Plugin %s %s" % (self.name, self.file) + + @property + def interval(self): + """ + Returns the interval in milliseconds, when the read method + should be called again. + """ + # XXX read this from the settings + + # Otherwise return the default. + return self.default_interval + + @property + def file(self): + """ + The absolute path to the RRD file of this plugin. + """ + return os.path.join(DATABASE_DIR, "%s.rrd" % self.name) + + def create(self): + """ + Creates an empty RRD file with the desired data structures. + """ + # Skip if the file does already exist. + if os.path.exists(self.file): + return + + dirname = os.path.dirname(self.file) + if not os.path.exists(dirname): + os.makedirs(dirname) + + rrdtool.create(self.file, *self.rrd_schema) + + self.log.debug(_("Created RRD file %s.") % self.file) + + def info(self): + return rrdtool.info(self.file) + + ### Basic methods + + def init(self): + """ + Do some custom initialization stuff here. + """ + pass + + def read(self): + """ + Gathers the statistical data, this plugin collects. + """ + raise NotImplementedError + + def submit(self): + """ + Flushes the read data to disk. + """ + # Do nothing in case there is no data to submit. + if not self.data: + return + + self.log.debug(_("Submitting data to database. %d entries.") % len(self.data)) + rrdtool.update(self.file, *self.data) + self.data = [] + + def _read(self, *args, **kwargs): + """ + This method catches errors from the read() method and logs them. + """ + try: + return self.read(*args, **kwargs) + + # Catch any exceptions, so collecty does not crash. + except Exception, e: + self.log.critical(_("Unhandled exception in read()!"), exc_info=True) + + def _submit(self, *args, **kwargs): + """ + This method catches errors from the submit() method and logs them. + """ + try: + return self.submit(*args, **kwargs) + + # Catch any exceptions, so collecty does not crash. + except Exception, e: + self.log.critical(_("Unhandled exception in submit()!"), exc_info=True) + + def run(self): + self.log.debug(_("Started.")) + + counter = 0 + while self.running: + if counter == 0: + self.log.debug(_("Collecting...")) + self._read() + + self.log.debug(_("Sleeping for %.4fs.") % self.interval) + + counter = self.interval / self.heartbeat + + time.sleep(self.heartbeat) + counter -= 1 + + self._submit() + self.log.debug(_("Stopped.")) + + def shutdown(self): + self.log.debug(_("Received shutdown signal.")) + self.running = False + + @property + def now(self): + """ + Returns the current timestamp in the UNIX timestamp format (UTC). + """ + return int(time.time()) + + def graph(self, file, interval=None): + args = [ "--imgformat", "PNG", + "-w", "580", # Width of the graph + "-h", "240", # Height of the graph + "--interlaced", "--slope-mode", ] + + intervals = { None : "-3h", + "hour" : "-1h", + "day" : "-25h", + "week" : "-360h" } + + args.append("--start") + if intervals.has_key(interval): + args.append(intervals[interval]) + else: + args.append(interval) + + info = { "file" : self.file } + for item in self._graph: + try: + args.append(item % info) + except TypeError: + args.append(item) + + rrdtool.graph(file, *args) diff --git a/collecty/plugins/cpu.py b/collecty/plugins/cpu.py new file mode 100644 index 0000000..bd21242 --- /dev/null +++ b/collecty/plugins/cpu.py @@ -0,0 +1,140 @@ +#!/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 PluginCPU(base.Plugin): + name = "cpu" + description = "CPU Usage Plugin" + + rrd_schema = [ + "DS:user:GAUGE:120:0:U", + "DS:nice:GAUGE:120:0:U", + "DS:sys:GAUGE:120:0:U", + "DS:idle:GAUGE:120:0:U", + "DS:wait:GAUGE:120:0:U", + "DS:irq:GAUGE:120:0:U", + "DS:sirq:GAUGE:120:0:U", + "RRA:AVERAGE:0.5:1:2160", + "RRA:AVERAGE:0.5:5:2016", + "RRA:AVERAGE:0.5:15:2880", + "RRA:AVERAGE:0.5:60:8760", + ] + + _graph = [ "DEF:user=%(file)s:user:AVERAGE", + "DEF:nice=%(file)s:nice:AVERAGE", + "DEF:sys=%(file)s:sys:AVERAGE", + "DEF:idle=%(file)s:idle:AVERAGE", + "DEF:wait=%(file)s:wait:AVERAGE", + "DEF:interrupt=%(file)s:interrupt:AVERAGE", + "AREA:user#ff0000:%-15s" % _("User"), + "VDEF:usermin=user,MINIMUM", + "VDEF:usermax=user,MAXIMUM", + "VDEF:useravg=user,AVERAGE", + "GPRINT:usermax:%12s:" % _("Maximum") + " %6.2lf" , + "GPRINT:usermin:%12s:" % _("Minimum") + " %6.2lf", + "GPRINT:useravg:%12s:" % _("Average") + " %6.2lf\n", + "STACK:nice#ff3300:%-15s" % _("Nice"), + "VDEF:nicemin=nice,MINIMUM", + "VDEF:nicemax=nice,MAXIMUM", + "VDEF:niceavg=nice,AVERAGE", + "GPRINT:nicemax:%12s:" % _("Maximum") + " %6.2lf" , + "GPRINT:nicemin:%12s:" % _("Minimum") + " %6.2lf", + "GPRINT:niceavg:%12s:" % _("Average") + " %6.2lf\n", + "STACK:sys#ff6600:%-15s" % _("System"), + "VDEF:sysmin=sys,MINIMUM", + "VDEF:sysmax=sys,MAXIMUM", + "VDEF:sysavg=sys,AVERAGE", + "GPRINT:sysmax:%12s:" % _("Maximum") + " %6.2lf" , + "GPRINT:sysmin:%12s:" % _("Minimum") + " %6.2lf", + "GPRINT:sysavg:%12s:" % _("Average") + " %6.2lf\n", + "STACK:wait#ff9900:%-15s" % _("Wait"), + "VDEF:waitmin=wait,MINIMUM", + "VDEF:waitmax=wait,MAXIMUM", + "VDEF:waitavg=wait,AVERAGE", + "GPRINT:waitmax:%12s:" % _("Maximum") + " %6.2lf" , + "GPRINT:waitmin:%12s:" % _("Minimum") + " %6.2lf", + "GPRINT:waitavg:%12s:" % _("Average") + " %6.2lf\n", + "STACK:interrupt#ffcc00:%-15s" % _("Interrupt"), + "VDEF:interruptmin=interrupt,MINIMUM", + "VDEF:interruptmax=interrupt,MAXIMUM", + "VDEF:interruptavg=interrupt,AVERAGE", + "GPRINT:interruptmax:%12s:" % _("Maximum") + " %6.2lf" , + "GPRINT:interruptmin:%12s:" % _("Minimum") + " %6.2lf", + "GPRINT:interruptavg:%12s:" % _("Average") + " %6.2lf\n", + "STACK:idle#ffff00:%-15s" % _("Idle"), + "VDEF:idlemin=idle,MINIMUM", + "VDEF:idlemax=idle,MAXIMUM", + "VDEF:idleavg=idle,AVERAGE", + "GPRINT:idlemax:%12s:" % _("Maximum") + " %6.2lf" , + "GPRINT:idlemin:%12s:" % _("Minimum") + " %6.2lf", + "GPRINT:idleavg:%12s:" % _("Average") + " %6.2lf\n", ] + + @classmethod + def autocreate(cls, collecty, **kwargs): + # Every system has got at least one CPU. + return cls(collecty, **kwargs) + + def read(self): + """ + Reads the CPU usage. + """ + f = None + + try: + f = open("/proc/stat") + + for line in f.readlines(): + if not line.startswith("cpu"): + continue + + columns = line.split() + if len(columns) < 8: + continue + + entry = [ + columns[1], # user + columns[2], # nice + columns[3], # sys + columns[4], # idle + columns[5], # wait + columns[6], # irq + columns[7], # sirq + ] + + full = sum([int(e) for e in entry]) + + for i in range(len(entry)): + entry[i] = int(entry[i]) * 100 + entry[i] = "%s" % (entry[i] / full) + + entry.insert(0, "%s" % self.now) + + self.data.append(":".join(entry)) + break + + finally: + if f: + f.close() diff --git a/collecty/plugins/loadavg.py b/collecty/plugins/loadavg.py new file mode 100644 index 0000000..119c535 --- /dev/null +++ b/collecty/plugins/loadavg.py @@ -0,0 +1,78 @@ +#!/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/. # +# # +############################################################################### + +import os + +import base + +from ..i18n import _ + +class PluginLoadAvg(base.Plugin): + name = "loadavg" + description = "Load Average Plugin" + + rrd_schema = [ + "DS:load1:GAUGE:120:0:U", + "DS:load5:GAUGE:120:0:U", + "DS:load15:GAUGE:120:0:U", + "RRA:AVERAGE:0.5:1:2160", + "RRA:AVERAGE:0.5:5:2016", + "RRA:AVERAGE:0.5:15:2880", + "RRA:AVERAGE:0.5:60:8760", + ] + + _graph = [ "DEF:load1=%(file)s:load1:AVERAGE", + "DEF:load5=%(file)s:load5:AVERAGE", + "DEF:load15=%(file)s:load15:AVERAGE", + "AREA:load1#ff0000:%s" % _("Load average 1m"), + "VDEF:load1min=load1,MINIMUM", + "VDEF:load1max=load1,MAXIMUM", + "VDEF:load1avg=load1,AVERAGE", + "GPRINT:load1max:%12s:" % _("Maximum") + " %6.2lf" , + "GPRINT:load1min:%12s:" % _("Minimum") + " %6.2lf", + "GPRINT:load1avg:%12s:" % _("Average") + " %6.2lf\n", + "AREA:load5#ff9900:%s" % _("Load average 5m"), + "VDEF:load5min=load5,MINIMUM", + "VDEF:load5max=load5,MAXIMUM", + "VDEF:load5avg=load5,AVERAGE", + "GPRINT:load5max:%12s:" % _("Maximum") + " %6.2lf" , + "GPRINT:load5min:%12s:" % _("Minimum") + " %6.2lf", + "GPRINT:load5avg:%12s:" % _("Average") + " %6.2lf\n", + "AREA:load15#ffff00:%s" % _("Load average 15m"), + "VDEF:load15min=load15,MINIMUM", + "VDEF:load15max=load15,MAXIMUM", + "VDEF:load15avg=load15,AVERAGE", + "GPRINT:load15max:%12s:" % _("Maximum") + " %6.2lf" , + "GPRINT:load15min:%12s:" % _("Minimum") + " %6.2lf", + "GPRINT:load15avg:%12s:" % _("Average") + " %6.2lf\n", + "LINE:load5#dd8800", + "LINE:load1#dd0000", ] + + @classmethod + def autocreate(cls, collecty, **kwargs): + return cls(collecty, **kwargs) + + def read(self): + data = "%s" % self.now + for load in os.getloadavg(): + data += ":%s" % load + + self.data.append(data) diff --git a/collecty/plugins/memory.py b/collecty/plugins/memory.py new file mode 100644 index 0000000..2c20201 --- /dev/null +++ b/collecty/plugins/memory.py @@ -0,0 +1,124 @@ +#!/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 PluginMemory(base.Plugin): + name = "memory" + description = "Memory Usage Plugin" + + rrd_schema = [ + "DS:used:GAUGE:120:0:100", + "DS:cached:GAUGE:120:0:100", + "DS:buffered:GAUGE:120:0:100", + "DS:free:GAUGE:120:0:100", + "DS:swap:GAUGE:120:0:100", + "RRA:AVERAGE:0.5:1:2160", + "RRA:AVERAGE:0.5:5:2016", + "RRA:AVERAGE:0.5:15:2880", + "RRA:AVERAGE:0.5:60:8760", + ] + + _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#0000ee:%-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:cached#0099ee:%-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:buffered#4499ff:%-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: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", ] + + @classmethod + def autocreate(cls, collecty, **kwargs): + # Every system has got memory. + return cls(collecty, **kwargs) + + def read(self): + f = None + + try: + ret = "%s" % self.now + + 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) + ret += ":%s" % (cached * 100 / total) + ret += ":%s" % (buffered * 100 / total) + ret += ":%s" % (free * 100 / total) + + if swapt: + ret += ":%s" % ((swapt - swapf) * 100 / swapt) + else: + ret += ":0" + + self.data.append(ret) + finally: + if f: + f.close() diff --git a/collectyd b/collectyd index a67dc36..ae0f608 100755 --- a/collectyd +++ b/collectyd @@ -1,35 +1,39 @@ #!/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/. # +# # +###############################################################################
-import os -import sys - -import daemon import optparse +import sys
import collecty
-c = collecty.Collecty() - -# Parse command line options +# Parse command line options. op = optparse.OptionParser(usage="usage: %prog [options] <configfile1> ... <configfileN>") op.add_option("-d", "--daemon", action="store_true", default=False, help="Run as a daemon in background.") (options, configfiles) = op.parse_args()
-if configfiles: - for file in configfiles: - c.read_config(file) -else: - # Load default config file - c.read_config("/etc/collecty/collecty.conf") - -if not c.instances: - print >>sys.stderr, "Error: No instances were configured." - sys.exit(1) +# Initialize the application. +c = collecty.Collecty()
-if options.daemon: - with daemon.DaemonContext(stdout=sys.stdout, stderr=sys.stderr): - c.run() -else: - c.run() +# Run. +c.run()
+sys.exit(0)
hooks/post-receive -- Statistics collection daemon.
-
git＠ipfire.org