/usr/lib/python2.7/dist-packages/shinken/modules/graphite_ui.py is in shinken-module-broker-webui-graphite 1.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 | #!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (C) 2009-2012:
# Gabes Jean, naparuba@gmail.com
# Gerhard Lausser, Gerhard.Lausser@consol.de
# Gregory Starck, g.starck@gmail.com
# Hartmut Goebel, h.goebel@goebel-consult.de
#
# This file is part of Shinken.
#
# Shinken is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Shinken 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Shinken. If not, see <http://www.gnu.org/licenses/>.
"""
This class is for linking the WebUI with Graphite,
for mainly get graphs and links.
"""
import re
import socket
import os
from shinken.log import logger
from string import Template
from shinken.basemodule import BaseModule
from datetime import datetime
from shinken.log import logger
from shinken.misc.perfdata import PerfDatas
properties = {
'daemons': ['webui'],
'type': 'graphite_webui'
}
# called by the plugin manager
def get_instance(plugin):
logger.debug("[Graphite UI]Get an GRAPHITE UI module for plugin %s" % plugin.get_name())
instance = Graphite_Webui(plugin)
return instance
class Graphite_Webui(BaseModule):
def __init__(self, modconf):
BaseModule.__init__(self, modconf)
self.multival = re.compile(r'_(\d+)$')
self.uri = getattr(modconf, 'uri', None)
self.templates_path = getattr(modconf, 'templates_path', '/tmp')
if not self.uri:
raise Exception('The WebUI Graphite module is missing uri parameter.')
self.uri = self.uri.strip()
if not self.uri.endswith('/'):
self.uri += '/'
# Change YOURSERVERNAME by our server name if we got it
if 'YOURSERVERNAME' in self.uri:
my_name = socket.gethostname()
self.uri = self.uri.replace('YOURSERVERNAME', my_name)
# optional "sub-folder" in graphite to hold the data of a specific host
self.graphite_data_source = self.illegal_char.sub('_',
getattr(modconf, 'graphite_data_source', ''))
# Try to connect if we got true parameter
def init(self):
pass
# To load the webui application
def load(self, app):
self.app = app
# Give the link for the GRAPHITE UI, with a Name
def get_external_ui_link(self):
return {'label': 'Graphite', 'uri': self.uri}
# For a perf_data like /=30MB;4899;4568;1234;0 /var=50MB;4899;4568;1234;0 /toto=
# return ('/', '30'), ('/var', '50')
def get_metric_and_value(self, perf_data):
res = []
metrics = PerfDatas(perf_data)
for e in metrics:
try:
logger.debug("[Graphite UI] groking: %s" % str(e))
except UnicodeEncodeError:
pass
name = self.illegal_char.sub('_', e.name)
name = self.multival.sub(r'.*', name)
# get metric value and its thresholds values if they exist
name_value = {name: (e.value, e.uom)}
if e.warning and e.critical:
name_value[name + '_warn'] = e.warning
name_value[name + '_crit'] = e.critical
# bailout if need
if name_value[name] == '':
continue
try:
logger.debug("[Graphite UI] Got in the end: %s, %s" % (name, e.value))
except UnicodeEncodeError:
pass
for key, value in name_value.items():
res.append((key, value))
return res
# Private function to replace the fontsize uri parameter by the correct value
# or add it if not present.
def _replaceFontSize ( self, url, newsize ):
# Do we have fontSize in the url already, or not ?
if re.search('fontSize=',url) is None:
url = url + '&fontSize=' + newsize
else:
url = re.sub(r'(fontSize=)[^\&]+',r'\g<1>' + newsize , url);
return url
# Ask for an host or a service the graph UI that the UI should
# give to get the graph image link and Graphite page link too.
def get_graph_uris(self, elt, graphstart, graphend, source = 'detail'):
# Ugly to hard-code such values. But where else should I put them ?
fontsize={ 'detail': '8', 'dashboard': '18'}
if not elt:
return []
t = elt.__class__.my_type
r = []
# Hanling Graphite variables
data_source=""
graphite_pre=""
graphite_post=""
if self.graphite_data_source:
data_source = ".%s" % self.graphite_data_source
if t == 'host':
if "_GRAPHITE_PRE" in elt.customs:
graphite_pre = "%s." % self.illegal_char.sub("_", elt.customs["_GRAPHITE_PRE"])
elif t == 'service':
if "_GRAPHITE_PRE" in elt.host.customs:
graphite_pre = "%s." % self.illegal_char.sub("_", elt.host.customs["_GRAPHITE_PRE"])
if "_GRAPHITE_POST" in elt.customs:
graphite_post = ".%s" % self.illegal_char.sub("_", elt.customs["_GRAPHITE_POST"])
# Format the start & end time (and not only the date)
d = datetime.fromtimestamp(graphstart)
d = d.strftime('%H:%M_%Y%m%d')
e = datetime.fromtimestamp(graphend)
e = e.strftime('%H:%M_%Y%m%d')
filename = elt.check_command.get_name().split('!')[0] + '.graph'
# Do we have a template for the given source?
thefile = os.path.join(self.templates_path, source, filename)
# If not try to use the one for the parent folder
if not os.path.isfile(thefile):
thefile = os.path.join(self.templates_path, filename)
if os.path.isfile(thefile):
template_html = ''
with open(thefile, 'r') as template_file:
template_html += template_file.read()
# Read the template file, as template string python object
html = Template(template_html)
# Build the dict to instantiate the template string
values = {}
if t == 'host':
values['host'] = graphite_pre + self.illegal_char.sub("_", elt.host_name) + data_source
values['service'] = '__HOST__'
if t == 'service':
values['host'] = graphite_pre + self.illegal_char.sub("_", elt.host.host_name) + data_source
values['service'] = self.illegal_char.sub("_", elt.service_description) + graphite_post
values['uri'] = self.uri
# Split, we may have several images.
for img in html.substitute(values).split('\n'):
if not img == "":
v = {}
v['link'] = self.uri
v['img_src'] = img.replace('"', "'") + "&from=" + d + "&until=" + e
v['img_src'] = self._replaceFontSize(v['img_src'], fontsize[source])
r.append(v)
# No need to continue, we have the images already.
return r
# If no template is present, then the usual way
if t == 'host':
couples = self.get_metric_and_value(elt.perf_data)
# If no values, we can exit now
if len(couples) == 0:
return []
# Remove all non alpha numeric character
host_name = self.illegal_char.sub('_', elt.host_name)
# Send a bulk of all metrics at once
for (metric, _) in couples:
uri = self.uri + 'render/?width=586&height=308&lineMode=connected&from=' + d + "&until=" + e
if re.search(r'_warn|_crit', metric):
continue
target = "&target=%s%s%s.__HOST__.%s" % (graphite_pre,
host_name,
data_source,
metric)
uri += target + target + "?????"
v = {}
v['link'] = self.uri
v['img_src'] = uri
v['img_src'] = self._replaceFontSize(v['img_src'], fontsize[source])
r.append(v)
return r
if t == 'service':
couples = self.get_metric_and_value(elt.perf_data)
# If no values, we can exit now
if len(couples) == 0:
return []
# Remove all non alpha numeric character
desc = self.illegal_char.sub('_', elt.service_description)
host_name = self.illegal_char.sub('_', elt.host.host_name)
# Send a bulk of all metrics at once
for (metric, value) in couples:
uri = self.uri + 'render/?width=586&height=308&lineMode=connected&from=' + d + "&until=" + e
if re.search(r'_warn|_crit', metric):
continue
elif value[1] == '%':
uri += "&yMin=0&yMax=100"
target = "&target=%s%s%s.%s.%s%s" % (graphite_pre,
host_name,
data_source,
desc,
metric,
graphite_post )
uri += target + target + "?????"
v = {}
v['link'] = self.uri
v['img_src'] = uri
v['img_src'] = self._replaceFontSize(v['img_src'], fontsize[source])
r.append(v)
return r
# Oups, bad type?
return []
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