1/* 2** Zabbix 3** Copyright (C) 2001-2021 Zabbix SIA 4** 5** This program is free software; you can redistribute it and/or modify 6** it under the terms of the GNU General Public License as published by 7** the Free Software Foundation; either version 2 of the License, or 8** (at your option) any later version. 9** 10** This program is distributed in the hope that it will be useful, 11** but WITHOUT ANY WARRANTY; without even the implied warranty of 12** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13** GNU General Public License for more details. 14** 15** You should have received a copy of the GNU General Public License 16** along with this program; if not, write to the Free Software 17** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 18**/ 19 20package file 21 22import ( 23 "zabbix.com/pkg/conf" 24 "zabbix.com/pkg/plugin" 25 "zabbix.com/pkg/std" 26) 27 28type Options struct { 29 Timeout int `conf:"optional,range=1:30"` 30 Capacity int `conf:"optional,range=1:100"` 31} 32 33// Plugin - 34type Plugin struct { 35 plugin.Base 36 options Options 37} 38 39var impl Plugin 40 41// Export - 42func (p *Plugin) Export(key string, params []string, ctx plugin.ContextProvider) (result interface{}, err error) { 43 switch key { 44 case "vfs.file.cksum": 45 return p.exportCksum(params) 46 case "vfs.file.contents": 47 return p.exportContents(params) 48 case "vfs.file.exists": 49 return p.exportExists(params) 50 case "vfs.file.size": 51 return p.exportSize(params) 52 case "vfs.file.time": 53 return p.exportTime(params) 54 case "vfs.file.regexp": 55 return p.exportRegexp(params) 56 case "vfs.file.regmatch": 57 return p.exportRegmatch(params) 58 case "vfs.file.md5sum": 59 return p.exportMd5sum(params) 60 default: 61 return nil, plugin.UnsupportedMetricError 62 } 63} 64 65func (p *Plugin) Configure(global *plugin.GlobalOptions, options interface{}) { 66 if err := conf.Unmarshal(options, &p.options); err != nil { 67 p.Warningf("cannot unmarshal configuration options: %s", err) 68 } 69 if p.options.Timeout == 0 { 70 p.options.Timeout = global.Timeout 71 } 72} 73 74func (p *Plugin) Validate(options interface{}) error { 75 var o Options 76 return conf.Unmarshal(options, &o) 77} 78 79var stdOs std.Os 80 81func init() { 82 stdOs = std.NewOs() 83 plugin.RegisterMetrics(&impl, "File", 84 "vfs.file.cksum", "Returns File checksum, calculated by the UNIX cksum algorithm.", 85 "vfs.file.contents", "Retrieves contents of the file.", 86 "vfs.file.exists", "Returns if file exists or not.", 87 "vfs.file.time", "Returns file time information.", 88 "vfs.file.size", "Returns file size.", 89 "vfs.file.regexp", "Find string in a file.", 90 "vfs.file.regmatch", "Find string in a file.", 91 "vfs.file.md5sum", "Returns MD5 checksum of file.") 92} 93