1 | # -*- coding: utf-8 -*- |
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2 | # |
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3 | # This file is part of Glances. |
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4 | # |
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5 | # Copyright (C) 2019 Nicolargo <[email protected]> |
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6 | # |
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7 | # Glances is free software; you can redistribute it and/or modify |
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8 | # it under the terms of the GNU Lesser General Public License as published by |
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9 | # the Free Software Foundation, either version 3 of the License, or |
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10 | # (at your option) any later version. |
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11 | # |
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12 | # Glances is distributed in the hope that it will be useful, |
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13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | # GNU Lesser General Public License for more details. |
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16 | # |
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17 | # You should have received a copy of the GNU Lesser General Public License |
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18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 | |||
20 | """Statsd interface class.""" |
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21 | |||
22 | import sys |
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23 | from numbers import Number |
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24 | |||
25 | from glances.compat import range |
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26 | from glances.logger import logger |
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27 | from glances.exports.glances_export import GlancesExport |
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28 | |||
29 | from statsd import StatsClient |
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30 | |||
31 | |||
32 | class Export(GlancesExport): |
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33 | |||
34 | """This class manages the Statsd export module.""" |
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35 | |||
36 | View Code Duplication | def __init__(self, config=None, args=None): |
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37 | """Init the Statsd export IF.""" |
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38 | super(Export, self).__init__(config=config, args=args) |
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39 | |||
40 | # Mandatories configuration keys (additional to host and port) |
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41 | # N/A |
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42 | |||
43 | # Optionals configuration keys |
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44 | self.prefix = None |
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45 | |||
46 | # Load the InfluxDB configuration file |
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47 | self.export_enable = self.load_conf('statsd', |
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48 | mandatories=['host', 'port'], |
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49 | options=['prefix']) |
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50 | if not self.export_enable: |
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51 | sys.exit(2) |
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52 | |||
53 | # Default prefix for stats is 'glances' |
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54 | if self.prefix is None: |
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55 | self.prefix = 'glances' |
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56 | |||
57 | # Init the Statsd client |
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58 | self.client = self.init() |
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59 | |||
60 | def init(self): |
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61 | """Init the connection to the Statsd server.""" |
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62 | if not self.export_enable: |
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63 | return None |
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64 | logger.info( |
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65 | "Stats will be exported to StatsD server: {}:{}".format(self.host, |
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66 | self.port)) |
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67 | return StatsClient(self.host, |
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68 | int(self.port), |
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69 | prefix=self.prefix) |
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70 | |||
71 | View Code Duplication | def export(self, name, columns, points): |
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72 | """Export the stats to the Statsd server.""" |
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73 | for i in range(len(columns)): |
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74 | if not isinstance(points[i], Number): |
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75 | continue |
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76 | stat_name = '{}.{}'.format(name, columns[i]) |
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77 | stat_value = points[i] |
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78 | try: |
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79 | self.client.gauge(normalize(stat_name), |
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80 | stat_value) |
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81 | except Exception as e: |
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82 | logger.error("Can not export stats to Statsd (%s)" % e) |
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83 | logger.debug("Export {} stats to Statsd".format(name)) |
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84 | |||
85 | |||
86 | def normalize(name): |
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87 | """Normalize name for the Statsd convention""" |
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88 | |||
89 | # Name should not contain some specials chars (issue #1068) |
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90 | ret = name.replace(':', '') |
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91 | ret = ret.replace('%', '') |
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92 | ret = ret.replace(' ', '_') |
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93 | |||
94 | return ret |
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95 |