import deepEqual from 'fast-deep-equal'; import { CloudWatchMetricsQuery } from '../types'; import { migrateCloudWatchQuery } from './dashboardMigrations'; // Call this function to migrate queries from within the plugin. export function migrateMetricQuery(query: CloudWatchMetricsQuery): CloudWatchMetricsQuery { const newQuery = { ...query }; migrateCloudWatchQuery(newQuery); //add metric query migrations here const migratedQuery = migrateAliasPatterns(newQuery); return deepEqual(migratedQuery, query) ? query : migratedQuery; } const aliasPatterns: Record<string, string> = { metric: `PROP('MetricName')`, namespace: `PROP('Namespace')`, period: `PROP('Period')`, region: `PROP('Region')`, stat: `PROP('Stat')`, label: `LABEL`, }; // migrateAliasPatterns in the context of https://github.com/grafana/grafana/issues/48434 export function migrateAliasPatterns(query: CloudWatchMetricsQuery): CloudWatchMetricsQuery { if (!query.hasOwnProperty('label')) { const newQuery = { ...query }; if (!query.hasOwnProperty('label')) { const regex = /{{\s*(.+?)\s*}}/g; newQuery.label = query.alias?.replace(regex, (_, value) => { if (aliasPatterns.hasOwnProperty(value)) { return `\${${aliasPatterns[value]}}`; } return `\${PROP('Dim.${value}')}`; }) ?? ''; } return newQuery; } return query; }