projects / collecty.git / blame
| Commit | Line | Data |
|---|---|---|
| eed405de MT |
1 | #!/usr/bin/python |
| 2 | ############################################################################### | |
| 3 | # # | |
| 4 | # collecty - A system statistics collection daemon for IPFire # | |
| 5 | # Copyright (C) 2012 IPFire development team # | |
| 6 | # # | |
| 7 | # This program is free software: you can redistribute it and/or modify # | |
| 8 | # it under the terms of the GNU General Public License as published by # | |
| 9 | # the Free Software Foundation, either version 3 of the License, or # | |
| 10 | # (at your option) any later version. # | |
| 11 | # # | |
| 12 | # This program is distributed in the hope that it will be useful, # | |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
| 15 | # GNU General Public License for more details. # | |
| 16 | # # | |
| 17 | # You should have received a copy of the GNU General Public License # | |
| 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
| 19 | # # | |
| 20 | ############################################################################### | |
| 21 | ||
| 22 | from threading import Thread | |
| 23 | ||
| 24 | from ..i18n import _ | |
| 25 | ||
| 26 | class Plugin(Thread): | |
| 27 | def __init__(self, collecty, **kwargs): | |
| 28 | Thread.__init__(self) | |
| 29 | self.collecty = collecty | |
| 30 | ||
| 31 | self.interval = int(kwargs.get("interval", 60)) | |
| 32 | ||
| 33 | # Keepalive options | |
| 34 | self.heartbeat = 2 | |
| 35 | self.killed = False | |
| 36 | ||
| 37 | self.wakeup = self.interval / self.heartbeat | |
| 38 | ||
| 39 | self.file = kwargs.get("file", None) | |
| 40 | if not self.file.startswith("/"): | |
| 41 | self.file = os.path.join("/var/rrd", self.file) | |
| 42 | ||
| 43 | self.data = [] | |
| 44 | ||
| 45 | self.create() | |
| 46 | ||
| 47 | def __repr__(self): | |
| 48 | return "<Plugin %s>" % self._type | |
| 49 | ||
| 50 | def __str__(self): | |
| 51 | return "Plugin %s %s" % (self._type, self.file) | |
| 52 | ||
| 53 | def run(self): | |
| 54 | self.collecty.debug("%s started..." % self) | |
| 55 | ||
| 56 | c = 0 | |
| 57 | while True: | |
| 58 | if self.killed: | |
| 59 | self.update() | |
| 60 | self.collecty.debug("%s stoppped..." % self) | |
| 61 | return | |
| 62 | ||
| 63 | if c == 0: | |
| 64 | self.data.append(self.collect()) | |
| 65 | self.collecty.debug("%s collectd: %s..." % (self, self.data[-1])) | |
| 66 | ||
| 67 | self.update() | |
| 68 | ||
| 69 | c = self.wakeup | |
| 70 | ||
| 71 | c = c - 1 | |
| 72 | time.sleep(self.heartbeat) | |
| 73 | ||
| 74 | def shutdown(self): | |
| 75 | self.killed = True | |
| 76 | ||
| 77 | def time(self): | |
| 78 | return int(time.time()) # Should return time as int in UTC | |
| 79 | ||
| 80 | def create(self): | |
| 81 | if not os.path.exists(self.file): | |
| 82 | rrdtool.create(self.file, *self._rrd) | |
| 83 | ||
| 84 | def update(self): | |
| 85 | if self.data: | |
| 86 | self.collecty.debug("%s saving data..." % self) | |
| 87 | rrdtool.update(self.file, *self.data) | |
| 88 | self.data = [] | |
| 89 | ||
| 90 | def collect(self): | |
| 91 | raise Exception, "Not implemented" | |
| 92 | ||
| 93 | def graph(self, file, interval=None): | |
| 94 | args = [ "--imgformat", "PNG", | |
| 95 | "-w", "580", # Width of the graph | |
| 96 | "-h", "240", # Height of the graph | |
| 97 | "--interlaced", "--slope-mode", ] | |
| 98 | ||
| 99 | intervals = { None : "-3h", | |
| 100 | "hour" : "-1h", | |
| 101 | "day" : "-25h", | |
| 102 | "week" : "-360h" } | |
| 103 | ||
| 104 | args.append("--start") | |
| 105 | if intervals.has_key(interval): | |
| 106 | args.append(intervals[interval]) | |
| 107 | else: | |
| 108 | args.append(interval) | |
| 109 | ||
| 110 | info = { "file" : self.file } | |
| 111 | for item in self._graph: | |
| 112 | try: | |
| 113 | args.append(item % info) | |
| 114 | except TypeError: | |
| 115 | args.append(item) | |
| 116 | ||
| 117 | rrdtool.graph(file, *args) | |
| 118 | ||
| 119 | def info(self): | |
| 120 | return rrdtool.info(self.file) | |
| 121 |