mirror of https://github.com/grafana/grafana
David Kaltschmidt
7 years ago
parent
2e02a8c855
commit
fbed57ab43
@ -1,100 +1,92 @@ |
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import _ from 'lodash'; |
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|
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export function getQueryHints(series: any[], datasource?: any): any[] { |
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const hints = series.map((s, i) => { |
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const query: string = s.query; |
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const index: number = s.responseIndex; |
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if (query === undefined || index === undefined) { |
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return null; |
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} |
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export function getQueryHints(query: string, series?: any[], datasource?: any): any[] { |
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const hints = []; |
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|
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// ..._bucket metric needs a histogram_quantile()
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const histogramMetric = query.trim().match(/^\w+_bucket$/); |
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if (histogramMetric) { |
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const label = 'Time series has buckets, you probably wanted a histogram.'; |
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return { |
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index, |
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label, |
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fix: { |
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label: 'Fix by adding histogram_quantile().', |
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action: { |
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type: 'ADD_HISTOGRAM_QUANTILE', |
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query, |
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index, |
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}, |
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// ..._bucket metric needs a histogram_quantile()
|
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const histogramMetric = query.trim().match(/^\w+_bucket$/); |
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if (histogramMetric) { |
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const label = 'Time series has buckets, you probably wanted a histogram.'; |
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hints.push({ |
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type: 'HISTOGRAM_QUANTILE', |
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label, |
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fix: { |
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label: 'Fix by adding histogram_quantile().', |
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action: { |
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type: 'ADD_HISTOGRAM_QUANTILE', |
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query, |
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}, |
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}; |
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} |
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}, |
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}); |
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} |
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|
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// Check for monotony
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const datapoints: number[][] = s.datapoints; |
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if (query.indexOf('rate(') === -1 && datapoints.length > 1) { |
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let increasing = false; |
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const nonNullData = datapoints.filter(dp => dp[0] !== null); |
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const monotonic = nonNullData.every((dp, index) => { |
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if (index === 0) { |
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return true; |
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} |
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increasing = increasing || dp[0] > nonNullData[index - 1][0]; |
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// monotonic?
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return dp[0] >= nonNullData[index - 1][0]; |
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}); |
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if (increasing && monotonic) { |
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const simpleMetric = query.trim().match(/^\w+$/); |
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let label = 'Time series is monotonously increasing.'; |
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let fix; |
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if (simpleMetric) { |
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fix = { |
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label: 'Fix by adding rate().', |
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action: { |
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type: 'ADD_RATE', |
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query, |
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index, |
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}, |
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}; |
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} else { |
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label = `${label} Try applying a rate() function.`; |
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// Check for monotony on series (table results are being ignored here)
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if (series && series.length > 0) { |
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series.forEach(s => { |
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const datapoints: number[][] = s.datapoints; |
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if (query.indexOf('rate(') === -1 && datapoints.length > 1) { |
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let increasing = false; |
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const nonNullData = datapoints.filter(dp => dp[0] !== null); |
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const monotonic = nonNullData.every((dp, index) => { |
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if (index === 0) { |
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return true; |
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} |
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increasing = increasing || dp[0] > nonNullData[index - 1][0]; |
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// monotonic?
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return dp[0] >= nonNullData[index - 1][0]; |
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}); |
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if (increasing && monotonic) { |
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const simpleMetric = query.trim().match(/^\w+$/); |
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let label = 'Time series is monotonously increasing.'; |
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let fix; |
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if (simpleMetric) { |
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fix = { |
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label: 'Fix by adding rate().', |
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action: { |
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type: 'ADD_RATE', |
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query, |
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}, |
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}; |
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} else { |
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label = `${label} Try applying a rate() function.`; |
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} |
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hints.push({ |
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type: 'APPLY_RATE', |
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label, |
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fix, |
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}); |
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} |
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return { |
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label, |
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index, |
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fix, |
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}; |
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} |
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} |
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}); |
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} |
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|
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// Check for recording rules expansion
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if (datasource && datasource.ruleMappings) { |
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const mapping = datasource.ruleMappings; |
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const mappingForQuery = Object.keys(mapping).reduce((acc, ruleName) => { |
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if (query.search(ruleName) > -1) { |
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return { |
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...acc, |
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[ruleName]: mapping[ruleName], |
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}; |
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} |
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return acc; |
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}, {}); |
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if (_.size(mappingForQuery) > 0) { |
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const label = 'Query contains recording rules.'; |
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// Check for recording rules expansion
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if (datasource && datasource.ruleMappings) { |
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const mapping = datasource.ruleMappings; |
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const mappingForQuery = Object.keys(mapping).reduce((acc, ruleName) => { |
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if (query.search(ruleName) > -1) { |
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return { |
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label, |
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index, |
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fix: { |
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label: 'Expand rules', |
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action: { |
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type: 'EXPAND_RULES', |
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query, |
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index, |
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mapping: mappingForQuery, |
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}, |
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}, |
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...acc, |
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[ruleName]: mapping[ruleName], |
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}; |
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} |
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return acc; |
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}, {}); |
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if (_.size(mappingForQuery) > 0) { |
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const label = 'Query contains recording rules.'; |
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hints.push({ |
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type: 'EXPAND_RULES', |
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label, |
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fix: { |
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label: 'Expand rules', |
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action: { |
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type: 'EXPAND_RULES', |
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query, |
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mapping: mappingForQuery, |
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}, |
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}, |
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}); |
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} |
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|
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// No hint found
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return null; |
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}); |
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return hints; |
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} |
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return hints.length > 0 ? hints : null; |
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} |
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