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d1e52d4788
* type fixes * couple more * just a couple more * small fixes to prometheus typings * improve some more datasource types
28 lines
1.0 KiB
TypeScript
28 lines
1.0 KiB
TypeScript
import { last } from 'lodash';
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import { GraphiteParserError } from './types';
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/**
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* Graphite-web before v1.6 returns HTTP 500 with full stack traces in an HTML page
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* when a query fails. It results in massive error alerts with HTML tags in the UI.
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* This function removes all HTML tags and keeps only the last line from the stack
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* trace which should be the most meaningful.
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*/
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export function reduceError(error: any) {
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if (error && error.status === 500 && error.data?.message?.startsWith('<body')) {
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// Remove all HTML tags and take the last line from the stack trace
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const newMessage = last<string>(
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error.data.message
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.replace(/(<([^>]+)>)/gi, '')
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.trim()
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.split(/\n/)
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)!.replace(/u?&#[^;]+;/g, '');
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error.data.message = `Graphite encountered an unexpected error while handling your request. ${newMessage}`;
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}
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return error;
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}
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export function isGraphiteParserError(e: unknown): e is GraphiteParserError {
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return typeof e === 'object' && e !== null && 'message' in e && 'pos' in e;
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}
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