Created
February 7, 2022 15:24
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Zabbix Telegram JS
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var Telegram = { | |
token: null, | |
to: null, | |
message: null, | |
proxy: null, | |
parse_mode: null, | |
escapeMarkup: function (str, mode) { | |
switch (mode) { | |
case 'markdown': | |
return str.replace(/([_*\[`])/g, '\\$&'); | |
case 'markdownv2': | |
return str.replace(/([_*\[\]()~`>#+\-=|{}.!])/g, '\\$&'); | |
default: | |
return str; | |
} | |
}, | |
sendMessage: function () { | |
var params = { | |
chat_id: Telegram.to, | |
text: Telegram.message, | |
disable_web_page_preview: true, | |
disable_notification: false | |
}, | |
data, | |
response, | |
request = new HttpRequest(), | |
url = 'https://api.telegram.org/bot' + Telegram.token + '/sendMessage'; | |
if (Telegram.parse_mode !== null) { | |
params['parse_mode'] = Telegram.parse_mode; | |
} | |
if (Telegram.proxy) { | |
request.setProxy(Telegram.proxy); | |
} | |
request.addHeader('Content-Type: application/json'); | |
data = JSON.stringify(params); | |
// Remove replace() function if you want to see the exposed token in the log file. | |
Zabbix.log(4, '[Telegram Webhook] URL: ' + url.replace(Telegram.token, '<TOKEN>')); | |
Zabbix.log(4, '[Telegram Webhook] params: ' + data); | |
response = request.post(url, data); | |
Zabbix.log(4, '[Telegram Webhook] HTTP code: ' + request.getStatus()); | |
try { | |
response = JSON.parse(response); | |
} | |
catch (error) { | |
response = null; | |
} | |
if (request.getStatus() !== 200 || typeof response.ok !== 'boolean' || response.ok !== true) { | |
if (typeof response.description === 'string') { | |
throw response.description; | |
} | |
else { | |
throw 'Unknown error. Check debug log for more information.'; | |
} | |
} | |
} | |
}; | |
try { | |
var params = JSON.parse(value); | |
var icon; | |
if (typeof params.Token === 'undefined') { | |
throw 'Incorrect value is given for parameter "Token": parameter is missing'; | |
} | |
Telegram.token = params.Token; | |
if (params.HTTPProxy) { | |
Telegram.proxy = params.HTTPProxy; | |
} | |
params.ParseMode = params.ParseMode.toLowerCase(); | |
if (['markdown', 'html', 'markdownv2'].indexOf(params.ParseMode) !== -1) { | |
Telegram.parse_mode = params.ParseMode; | |
} | |
if (params.Severity == 'Информация') { | |
icon = '👀'; | |
} else if (params.Severity == 'Предупреждение') { | |
icon = '⚠️'; | |
} else if (params.Severity == 'Средний') { | |
icon = '😲'; | |
} else if (params.Severity == 'Высокий') { | |
icon = '😨'; | |
} else if (params.Severity == 'Катастрофа') { | |
icon = '😈'; | |
} else { | |
icon = ''; | |
} | |
if (params.Trigger_status == 'OK') { | |
icon = '✅'; | |
} | |
Telegram.to = params.To; | |
Telegram.message = icon + ' | ' + params.Subject + '\n' + params.Message; | |
if (['markdown', 'markdownv2'].indexOf(params.ParseMode) !== -1) { | |
Telegram.message = Telegram.escapeMarkup(Telegram.message, params.ParseMode); | |
} | |
Telegram.sendMessage(); | |
return 'OK'; | |
} | |
catch (error) { | |
Zabbix.log(4, '[Telegram Webhook] notification failed: ' + error); | |
throw 'Sending failed: ' + error + '.'; | |
} |
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