From df1c3e7ef407c2a8b6398cd8d843f020de528d5c Mon Sep 17 00:00:00 2001 From: Alexander Zobnin Date: Mon, 17 Apr 2017 13:25:02 +0300 Subject: [PATCH] implement replaceAlias() function, #287 --- dist/datasource-zabbix/dataProcessor.js | 14 ++++++- dist/datasource-zabbix/dataProcessor.js.map | 2 +- dist/datasource-zabbix/datasource.js | 42 ++++++++----------- dist/datasource-zabbix/datasource.js.map | 2 +- dist/datasource-zabbix/metricFunctions.js | 7 ++++ dist/datasource-zabbix/metricFunctions.js.map | 2 +- dist/test/datasource-zabbix/dataProcessor.js | 16 ++++++- dist/test/datasource-zabbix/datasource.js | 42 ++++++++----------- .../test/datasource-zabbix/metricFunctions.js | 7 ++++ docs/sources/reference/functions.md | 32 ++++++++++++++ src/datasource-zabbix/dataProcessor.js | 18 +++++++- src/datasource-zabbix/metricFunctions.js | 10 +++++ 12 files changed, 139 insertions(+), 55 deletions(-) diff --git a/dist/datasource-zabbix/dataProcessor.js b/dist/datasource-zabbix/dataProcessor.js index eaad781..2003ea4 100644 --- a/dist/datasource-zabbix/dataProcessor.js +++ b/dist/datasource-zabbix/dataProcessor.js @@ -150,6 +150,17 @@ System.register(['lodash', './utils'], function (_export, _context) { }function setAlias(alias, timeseries) { timeseries.target = alias; return timeseries; + }function replaceAlias(regexp, newAlias, timeseries) { + var pattern = void 0; + if (utils.isRegex(regexp)) { + pattern = utils.buildRegex(regexp); + } else { + pattern = regexp; + } + + var alias = timeseries.target.replace(pattern, newAlias); + timeseries.target = alias; + return timeseries; }function setAliasByRegex(alias, timeseries) { timeseries.target = extractText(timeseries.target, alias); return timeseries; @@ -265,7 +276,8 @@ System.register(['lodash', './utils'], function (_export, _context) { bottom: _.partial(limit, 'bottom'), timeShift: timeShift, setAlias: setAlias, - setAliasByRegex: setAliasByRegex + setAliasByRegex: setAliasByRegex, + replaceAlias: replaceAlias }; aggregationFunctions = { avg: AVERAGE, diff --git a/dist/datasource-zabbix/dataProcessor.js.map b/dist/datasource-zabbix/dataProcessor.js.map index 1231ade..5b9195b 100644 --- a/dist/datasource-zabbix/dataProcessor.js.map +++ b/dist/datasource-zabbix/dataProcessor.js.map @@ -1 +1 @@ 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timeWindow.from -= ms_interval;\n\n points_sum = 0;\n points_num = 0;\n frame = [];\n\n // Process point again\n i++;\n }\n }\n return downsampledSeries.reverse();\n}\n\n/**\n * Group points by given time interval\n * datapoints: [[, ], ...]\n */\nfunction groupBy(interval, groupByCallback, datapoints) {\n var ms_interval = utils.parseInterval(interval);\n\n // Calculate frame timestamps\n var frames = _.groupBy(datapoints, function(point) {\n // Calculate time for group of points\n return Math.floor(point[1] / ms_interval) * ms_interval;\n });\n\n // frame: { '': [[, ], ...] }\n // return [{ '': }, { '': }, ...]\n var grouped = _.mapValues(frames, function(frame) {\n var points = _.map(frame, function(point) {\n return point[0];\n });\n return groupByCallback(points);\n });\n\n // Convert points to Grafana format\n return sortByTime(_.map(grouped, function(value, timestamp) {\n return [Number(value), Number(timestamp)];\n }));\n}\n\nfunction sumSeries(timeseries) {\n\n // Calculate new points for interpolation\n var new_timestamps = _.uniq(_.map(_.flatten(timeseries, true), function(point) {\n return point[1];\n }));\n new_timestamps = _.sortBy(new_timestamps);\n\n var interpolated_timeseries = _.map(timeseries, function(series) {\n var timestamps = _.map(series, function(point) {\n return point[1];\n });\n var new_points = _.map(_.difference(new_timestamps, timestamps), function(timestamp) {\n return [null, timestamp];\n });\n var new_series = series.concat(new_points);\n return sortByTime(new_series);\n });\n\n _.each(interpolated_timeseries, interpolateSeries);\n\n var new_timeseries = [];\n var sum;\n for (var i = new_timestamps.length - 1; i >= 0; i--) {\n sum = 0;\n for (var j = interpolated_timeseries.length - 1; j >= 0; j--) {\n sum += interpolated_timeseries[j][i][0];\n }\n new_timeseries.push([sum, new_timestamps[i]]);\n }\n\n return sortByTime(new_timeseries);\n}\n\nfunction limit(order, n, orderByFunc, timeseries) {\n let orderByCallback = 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setAliasByRegex(alias, timeseries) {\n timeseries.target = extractText(timeseries.target, alias);\n return timeseries;\n}\n\nfunction extractText(str, pattern) {\n var extractPattern = new RegExp(pattern);\n var extractedValue = extractPattern.exec(str);\n extractedValue = extractedValue[0];\n return extractedValue;\n}\n\nfunction scale(factor, datapoints) {\n return _.map(datapoints, point => {\n return [\n point[0] * factor,\n point[1]\n ];\n });\n}\n\nfunction delta(datapoints) {\n let newSeries = [];\n let deltaValue;\n for (var i = 1; i < datapoints.length; i++) {\n deltaValue = datapoints[i][0] - datapoints[i - 1][0];\n newSeries.push([deltaValue, datapoints[i][1]]);\n }\n return newSeries;\n}\n\nfunction groupByWrapper(interval, groupFunc, datapoints) {\n var groupByCallback = aggregationFunctions[groupFunc];\n return groupBy(interval, groupByCallback, datapoints);\n}\n\nfunction aggregateByWrapper(interval, aggregateFunc, datapoints) {\n // Flatten all points in frame and then just use groupBy()\n var flattenedPoints = _.flatten(datapoints, true);\n var groupByCallback = aggregationFunctions[aggregateFunc];\n return groupBy(interval, groupByCallback, flattenedPoints);\n}\n\nfunction aggregateWrapper(groupByCallback, interval, datapoints) {\n var flattenedPoints = _.flatten(datapoints, true);\n return groupBy(interval, groupByCallback, flattenedPoints);\n}\n\nfunction sortByTime(series) {\n return _.sortBy(series, function(point) {\n return point[1];\n });\n}\n\n/**\n * Interpolate series with gaps\n */\nfunction interpolateSeries(series) {\n var left, right;\n\n // Interpolate series\n for (var i = series.length - 1; i >= 0; i--) {\n if (!series[i][0]) {\n left = findNearestLeft(series, series[i]);\n right = findNearestRight(series, series[i]);\n if (!left) {\n left = right;\n }\n if (!right) {\n right = left;\n }\n series[i][0] = linearInterpolation(series[i][1], left, right);\n }\n }\n return series;\n}\n\nfunction linearInterpolation(timestamp, left, 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},\n\n get metricFunctions() {\n return metricFunctions;\n }\n};"]} \ No newline at end of file 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_ from 'lodash';\nimport * as utils from './utils';\n\n/**\n * Downsample datapoints series\n */\nfunction downsampleSeries(datapoints, time_to, ms_interval, func) {\n var downsampledSeries = [];\n var timeWindow = {\n from: time_to * 1000 - ms_interval,\n to: time_to * 1000\n };\n\n var points_sum = 0;\n var points_num = 0;\n var value_avg = 0;\n var frame = [];\n\n for (var i = datapoints.length - 1; i >= 0; i -= 1) {\n if (timeWindow.from < datapoints[i][1] && datapoints[i][1] <= timeWindow.to) {\n points_sum += datapoints[i][0];\n points_num++;\n frame.push(datapoints[i][0]);\n }\n else {\n value_avg = points_num ? points_sum / points_num : 0;\n\n if (func === \"max\") {\n downsampledSeries.push([_.max(frame), timeWindow.to]);\n }\n else if (func === \"min\") {\n downsampledSeries.push([_.min(frame), timeWindow.to]);\n }\n\n // avg by default\n else {\n downsampledSeries.push([value_avg, timeWindow.to]);\n }\n\n // Shift time window\n timeWindow.to = timeWindow.from;\n timeWindow.from -= ms_interval;\n\n points_sum = 0;\n points_num = 0;\n frame = [];\n\n // Process point again\n i++;\n }\n }\n return downsampledSeries.reverse();\n}\n\n/**\n * Group points by given time interval\n * datapoints: [[, ], ...]\n */\nfunction groupBy(interval, groupByCallback, datapoints) {\n var ms_interval = utils.parseInterval(interval);\n\n // Calculate frame timestamps\n var frames = _.groupBy(datapoints, function(point) {\n // Calculate time for group of points\n return Math.floor(point[1] / ms_interval) * ms_interval;\n });\n\n // frame: { '': [[, ], ...] }\n // return [{ '': }, { '': }, ...]\n var grouped = _.mapValues(frames, function(frame) {\n var points = _.map(frame, function(point) {\n return point[0];\n });\n return groupByCallback(points);\n });\n\n // Convert points to Grafana format\n return sortByTime(_.map(grouped, function(value, timestamp) {\n return [Number(value), Number(timestamp)];\n }));\n}\n\nfunction sumSeries(timeseries) {\n\n // Calculate new points for interpolation\n var new_timestamps = _.uniq(_.map(_.flatten(timeseries, true), function(point) {\n return point[1];\n }));\n new_timestamps = _.sortBy(new_timestamps);\n\n var interpolated_timeseries = _.map(timeseries, function(series) {\n var timestamps = _.map(series, function(point) {\n return point[1];\n });\n var new_points = _.map(_.difference(new_timestamps, timestamps), function(timestamp) {\n return [null, timestamp];\n });\n var new_series = series.concat(new_points);\n return sortByTime(new_series);\n });\n\n _.each(interpolated_timeseries, interpolateSeries);\n\n var new_timeseries = [];\n var sum;\n for (var i = new_timestamps.length - 1; i >= 0; i--) {\n sum = 0;\n for (var j = interpolated_timeseries.length - 1; j >= 0; j--) {\n sum += interpolated_timeseries[j][i][0];\n }\n new_timeseries.push([sum, new_timestamps[i]]);\n }\n\n return sortByTime(new_timeseries);\n}\n\nfunction limit(order, n, orderByFunc, timeseries) {\n let orderByCallback = aggregationFunctions[orderByFunc];\n let sortByIteratee = (ts) => {\n let values = _.map(ts.datapoints, (point) => {\n return point[0];\n });\n return orderByCallback(values);\n };\n let sortedTimeseries = _.sortBy(timeseries, sortByIteratee);\n if (order === 'bottom') {\n return sortedTimeseries.slice(0, n);\n } else {\n return sortedTimeseries.slice(-n);\n }\n}\n\nfunction SUM(values) {\n var sum = 0;\n _.each(values, function(value) {\n sum += value;\n });\n return sum;\n}\n\nfunction COUNT(values) {\n return values.length;\n}\n\nfunction AVERAGE(values) {\n var sum = 0;\n _.each(values, function(value) {\n sum += value;\n });\n return sum / values.length;\n}\n\nfunction MIN(values) {\n return _.min(values);\n}\n\nfunction MAX(values) {\n return _.max(values);\n}\n\nfunction MEDIAN(values) {\n var sorted = _.sortBy(values);\n return sorted[Math.floor(sorted.length / 2)];\n}\n\nfunction setAlias(alias, timeseries) {\n timeseries.target = alias;\n return timeseries;\n}\n\nfunction replaceAlias(regexp, newAlias, timeseries) {\n let pattern;\n if (utils.isRegex(regexp)) {\n pattern = utils.buildRegex(regexp);\n } else {\n pattern = regexp;\n }\n\n let alias = timeseries.target.replace(pattern, newAlias);\n timeseries.target = alias;\n return timeseries;\n}\n\nfunction setAliasByRegex(alias, timeseries) {\n timeseries.target = extractText(timeseries.target, alias);\n return timeseries;\n}\n\nfunction extractText(str, pattern) {\n var extractPattern = new RegExp(pattern);\n var extractedValue = extractPattern.exec(str);\n extractedValue = extractedValue[0];\n return extractedValue;\n}\n\nfunction scale(factor, datapoints) {\n return _.map(datapoints, point => {\n return [\n point[0] * factor,\n point[1]\n ];\n });\n}\n\nfunction delta(datapoints) {\n let newSeries = [];\n let deltaValue;\n for (var i = 1; i < datapoints.length; i++) {\n deltaValue = datapoints[i][0] - datapoints[i - 1][0];\n newSeries.push([deltaValue, datapoints[i][1]]);\n }\n return newSeries;\n}\n\nfunction groupByWrapper(interval, groupFunc, datapoints) {\n var groupByCallback = aggregationFunctions[groupFunc];\n return groupBy(interval, groupByCallback, datapoints);\n}\n\nfunction aggregateByWrapper(interval, aggregateFunc, datapoints) {\n // Flatten all points in frame and then just use groupBy()\n var flattenedPoints = _.flatten(datapoints, true);\n var groupByCallback = aggregationFunctions[aggregateFunc];\n return groupBy(interval, groupByCallback, flattenedPoints);\n}\n\nfunction aggregateWrapper(groupByCallback, interval, datapoints) {\n var flattenedPoints = _.flatten(datapoints, true);\n return groupBy(interval, groupByCallback, flattenedPoints);\n}\n\nfunction sortByTime(series) {\n return _.sortBy(series, function(point) {\n return point[1];\n });\n}\n\n/**\n * Interpolate series with gaps\n */\nfunction interpolateSeries(series) {\n var left, right;\n\n // Interpolate series\n for (var i = series.length - 1; i >= 0; i--) {\n if (!series[i][0]) {\n left = findNearestLeft(series, series[i]);\n right = findNearestRight(series, series[i]);\n if (!left) {\n left = right;\n }\n if (!right) {\n right = left;\n }\n series[i][0] = linearInterpolation(series[i][1], left, right);\n }\n }\n return series;\n}\n\nfunction linearInterpolation(timestamp, left, right) {\n if (left[1] === right[1]) {\n return (left[0] + right[0]) / 2;\n } else {\n return (left[0] + (right[0] - left[0]) / (right[1] - left[1]) * (timestamp - left[1]));\n }\n}\n\nfunction findNearestRight(series, point) {\n var point_index = _.indexOf(series, point);\n var nearestRight;\n for (var i = point_index; i < series.length; i++) {\n if (series[i][0] !== null) {\n return series[i];\n }\n }\n return nearestRight;\n}\n\nfunction findNearestLeft(series, point) {\n var point_index = _.indexOf(series, point);\n var nearestLeft;\n for (var i = point_index; i > 0; i--) {\n if (series[i][0] !== null) {\n return series[i];\n }\n }\n return nearestLeft;\n}\n\nfunction timeShift(interval, range) {\n let shift = utils.parseTimeShiftInterval(interval) / 1000;\n return _.map(range, time => {\n return time - shift;\n });\n}\n\nfunction unShiftTimeSeries(interval, datapoints) {\n let unshift = utils.parseTimeShiftInterval(interval);\n return _.map(datapoints, dp => {\n return [\n dp[0],\n dp[1] + unshift\n ];\n });\n}\n\nlet metricFunctions = {\n groupBy: groupByWrapper,\n scale: scale,\n delta: delta,\n aggregateBy: aggregateByWrapper,\n average: _.partial(aggregateWrapper, AVERAGE),\n min: _.partial(aggregateWrapper, MIN),\n max: _.partial(aggregateWrapper, MAX),\n median: _.partial(aggregateWrapper, MEDIAN),\n sum: _.partial(aggregateWrapper, SUM),\n count: _.partial(aggregateWrapper, COUNT),\n sumSeries: sumSeries,\n top: _.partial(limit, 'top'),\n bottom: _.partial(limit, 'bottom'),\n timeShift: timeShift,\n setAlias: setAlias,\n setAliasByRegex: setAliasByRegex,\n replaceAlias: replaceAlias\n};\n\nlet aggregationFunctions = {\n avg: AVERAGE,\n min: MIN,\n max: MAX,\n median: MEDIAN,\n sum: SUM,\n count: COUNT\n};\n\nexport default {\n downsampleSeries: downsampleSeries,\n groupBy: groupBy,\n AVERAGE: AVERAGE,\n MIN: MIN,\n MAX: MAX,\n MEDIAN: MEDIAN,\n SUM: SUM,\n COUNT: COUNT,\n unShiftTimeSeries: unShiftTimeSeries,\n\n get aggregationFunctions() {\n return aggregationFunctions;\n },\n\n get metricFunctions() {\n return metricFunctions;\n }\n};\n"]} \ No newline at end of file diff --git a/dist/datasource-zabbix/datasource.js b/dist/datasource-zabbix/datasource.js index 699e759..73029fb 100644 --- a/dist/datasource-zabbix/datasource.js +++ b/dist/datasource-zabbix/datasource.js @@ -334,12 +334,10 @@ System.register(['lodash', 'app/core/utils/datemath', './utils', './migrations', var getHistoryPromise = void 0; if (useTrends) { - (function () { - var valueType = _this2.getTrendValueType(target); - getHistoryPromise = _this2.zabbix.getTrend(items, timeFrom, timeTo).then(function (history) { - return responseHandler.handleTrends(history, items, valueType); - }); - })(); + var valueType = _this2.getTrendValueType(target); + getHistoryPromise = _this2.zabbix.getTrend(items, timeFrom, timeTo).then(function (history) { + return responseHandler.handleTrends(history, items, valueType); + }); } else { // Use history getHistoryPromise = _this2.zabbix.getHistory(items, timeFrom, timeTo).then(function (history) { @@ -386,20 +384,18 @@ System.register(['lodash', 'app/core/utils/datemath', './utils', './migrations', // Apply aggregations if (aggregationFunctions.length) { - (function () { - var dp = _.map(timeseries_data, 'datapoints'); - dp = sequence(aggregationFunctions)(dp); + var dp = _.map(timeseries_data, 'datapoints'); + dp = sequence(aggregationFunctions)(dp); - var aggFuncNames = _.map(metricFunctions.getCategories()['Aggregate'], 'name'); - var lastAgg = _.findLast(target.functions, function (func) { - return _.includes(aggFuncNames, func.def.name); - }); + var aggFuncNames = _.map(metricFunctions.getCategories()['Aggregate'], 'name'); + var lastAgg = _.findLast(target.functions, function (func) { + return _.includes(aggFuncNames, func.def.name); + }); - timeseries_data = [{ - target: lastAgg.text, - datapoints: dp - }]; - })(); + timeseries_data = [{ + target: lastAgg.text, + datapoints: dp + }]; } // Apply alias functions @@ -419,12 +415,10 @@ System.register(['lodash', 'app/core/utils/datemath', './utils', './migrations', return func.def.name === 'timeShift'; }); if (timeShiftFunc) { - (function () { - var shift = timeShiftFunc.params[0]; - _.forEach(timeseries_data, function (series) { - series.datapoints = dataProcessor.unShiftTimeSeries(shift, series.datapoints); - }); - })(); + var shift = timeShiftFunc.params[0]; + _.forEach(timeseries_data, function (series) { + series.datapoints = dataProcessor.unShiftTimeSeries(shift, series.datapoints); + }); } } }, { diff --git a/dist/datasource-zabbix/datasource.js.map b/dist/datasource-zabbix/datasource.js.map index b3b96ef..68e3416 100644 --- a/dist/datasource-zabbix/datasource.js.map +++ b/dist/datasource-zabbix/datasource.js.map @@ -1 +1 @@ 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_ from 'lodash';\nimport * as dateMath from 'app/core/utils/datemath';\nimport * as utils from './utils';\nimport * as migrations from './migrations';\nimport * as metricFunctions from './metricFunctions';\nimport dataProcessor from './dataProcessor';\nimport responseHandler from './responseHandler';\nimport './zabbix.js';\nimport './zabbixAlerting.service.js';\nimport {ZabbixAPIError} from './zabbixAPICore.service.js';\n\nclass ZabbixAPIDatasource {\n\n /** @ngInject */\n constructor(instanceSettings, templateSrv, alertSrv, dashboardSrv, zabbixAlertingSrv, Zabbix) {\n this.templateSrv = templateSrv;\n this.alertSrv = alertSrv;\n this.dashboardSrv = dashboardSrv;\n this.zabbixAlertingSrv = zabbixAlertingSrv;\n\n // General data source settings\n this.name = instanceSettings.name;\n this.url = instanceSettings.url;\n this.basicAuth = instanceSettings.basicAuth;\n this.withCredentials = instanceSettings.withCredentials;\n\n // Zabbix API credentials\n this.username = instanceSettings.jsonData.username;\n this.password = instanceSettings.jsonData.password;\n\n // Use trends instead history since specified time\n this.trends = instanceSettings.jsonData.trends;\n this.trendsFrom = instanceSettings.jsonData.trendsFrom || '7d';\n\n // Set cache update interval\n var ttl = instanceSettings.jsonData.cacheTTL || '1h';\n this.cacheTTL = utils.parseInterval(ttl);\n\n // Alerting options\n this.alertingEnabled = instanceSettings.jsonData.alerting;\n this.addThresholds = instanceSettings.jsonData.addThresholds;\n this.alertingMinSeverity = instanceSettings.jsonData.alertingMinSeverity || 2;\n\n this.zabbix = new Zabbix(this.url, this.username, this.password, this.basicAuth, this.withCredentials, this.cacheTTL);\n\n // Use custom format for template variables\n this.replaceTemplateVars = _.partial(replaceTemplateVars, this.templateSrv);\n }\n\n ////////////////////////\n // Datasource methods //\n ////////////////////////\n\n /**\n * Query panel data. Calls for each panel in dashboard.\n * @param {Object} options Contains time range, targets and other info.\n * @return {Object} Grafana metrics object with timeseries data for each target.\n */\n query(options) {\n let timeFrom = Math.ceil(dateMath.parse(options.range.from) / 1000);\n let timeTo = Math.ceil(dateMath.parse(options.range.to) / 1000);\n\n let useTrendsFrom = Math.ceil(dateMath.parse('now-' + this.trendsFrom) / 1000);\n let useTrends = (timeFrom <= useTrendsFrom) && this.trends;\n\n // Get alerts for current panel\n if (this.alertingEnabled) {\n this.alertQuery(options).then(alert => {\n this.zabbixAlertingSrv.setPanelAlertState(options.panelId, alert.state);\n\n this.zabbixAlertingSrv.removeZabbixThreshold(options.panelId);\n if (this.addThresholds) {\n _.forEach(alert.thresholds, threshold => {\n this.zabbixAlertingSrv.setPanelThreshold(options.panelId, threshold);\n });\n }\n });\n }\n\n // Create request for each target\n let promises = _.map(options.targets, target => {\n // Prevent changes of original object\n target = _.cloneDeep(target);\n this.replaceTargetVariables(target, options);\n\n // Apply Time-related functions (timeShift(), etc)\n let timeFunctions = bindFunctionDefs(target.functions, 'Time');\n if (timeFunctions.length) {\n const [time_from, time_to] = sequence(timeFunctions)([timeFrom, timeTo]);\n timeFrom = time_from;\n timeTo = time_to;\n }\n\n // Metrics or Text query mode\n if (target.mode !== 1) {\n // Migrate old targets\n target = migrations.migrate(target);\n\n // Don't request undefined and hidden targets\n if (target.hide || !target.group || !target.host || !target.item) {\n return [];\n }\n\n if (!target.mode || target.mode === 0) {\n return this.queryNumericData(target, timeFrom, timeTo, useTrends);\n } else if (target.mode === 2) {\n return this.queryTextData(target, timeFrom, timeTo);\n }\n }\n\n // IT services mode\n else if (target.mode === 1) {\n // Don't show undefined and hidden targets\n if (target.hide || !target.itservice || !target.slaProperty) {\n return [];\n }\n\n return this.zabbix.getSLA(target.itservice.serviceid, timeFrom, timeTo)\n .then(slaObject => {\n return responseHandler.handleSLAResponse(target.itservice, target.slaProperty, slaObject);\n });\n }\n });\n\n // Data for panel (all targets)\n return Promise.all(_.flatten(promises))\n .then(_.flatten)\n .then(timeseries_data => {\n return downsampleSeries(timeseries_data, options);\n })\n .then(data => {\n return { data: data };\n });\n }\n\n queryNumericData(target, timeFrom, timeTo, useTrends) {\n let options = {\n itemtype: 'num'\n };\n return this.zabbix.getItemsFromTarget(target, options)\n .then(items => {\n let getHistoryPromise;\n\n if (useTrends) {\n let valueType = this.getTrendValueType(target);\n getHistoryPromise = this.zabbix.getTrend(items, timeFrom, timeTo)\n .then(history => {\n return responseHandler.handleTrends(history, items, valueType);\n });\n } else {\n // Use history\n getHistoryPromise = this.zabbix.getHistory(items, timeFrom, timeTo)\n .then(history => {\n return responseHandler.handleHistory(history, items);\n });\n }\n\n return getHistoryPromise.then(timeseries_data => {\n return this.applyDataProcessingFunctions(timeseries_data, target);\n });\n })\n .catch(error => {\n console.log(error);\n return [];\n });\n }\n\n getTrendValueType(target) {\n // Find trendValue() function and get specified trend value\n var trendFunctions = _.map(metricFunctions.getCategories()['Trends'], 'name');\n var trendValueFunc = _.find(target.functions, func => {\n return _.includes(trendFunctions, func.def.name);\n });\n return trendValueFunc ? trendValueFunc.params[0] : \"avg\";\n }\n\n applyDataProcessingFunctions(timeseries_data, target) {\n let transformFunctions = bindFunctionDefs(target.functions, 'Transform');\n let aggregationFunctions = bindFunctionDefs(target.functions, 'Aggregate');\n let filterFunctions = bindFunctionDefs(target.functions, 'Filter');\n let aliasFunctions = bindFunctionDefs(target.functions, 'Alias');\n\n // Apply transformation functions\n timeseries_data = _.map(timeseries_data, timeseries => {\n timeseries.datapoints = sequence(transformFunctions)(timeseries.datapoints);\n return timeseries;\n });\n\n // Apply filter functions\n if (filterFunctions.length) {\n timeseries_data = sequence(filterFunctions)(timeseries_data);\n }\n\n // Apply aggregations\n if (aggregationFunctions.length) {\n let dp = _.map(timeseries_data, 'datapoints');\n dp = sequence(aggregationFunctions)(dp);\n\n let aggFuncNames = _.map(metricFunctions.getCategories()['Aggregate'], 'name');\n let lastAgg = _.findLast(target.functions, func => {\n return _.includes(aggFuncNames, func.def.name);\n });\n\n timeseries_data = [{\n target: lastAgg.text,\n datapoints: dp\n }];\n }\n\n // Apply alias functions\n _.forEach(timeseries_data, sequence(aliasFunctions));\n\n // Apply Time-related functions (timeShift(), etc)\n // Find timeShift() function and get specified trend value\n this.applyTimeShiftFunction(timeseries_data, target);\n\n return timeseries_data;\n }\n\n applyTimeShiftFunction(timeseries_data, target) {\n // Find timeShift() function and get specified interval\n let timeShiftFunc = _.find(target.functions, (func) => {\n return func.def.name === 'timeShift';\n });\n if (timeShiftFunc) {\n let shift = timeShiftFunc.params[0];\n _.forEach(timeseries_data, (series) => {\n series.datapoints = dataProcessor.unShiftTimeSeries(shift, series.datapoints);\n });\n }\n }\n\n queryTextData(target, timeFrom, timeTo) {\n let options = {\n itemtype: 'text'\n };\n return this.zabbix.getItemsFromTarget(target, options)\n .then(items => {\n if (items.length) {\n return this.zabbix.getHistory(items, timeFrom, timeTo)\n .then(history => {\n return responseHandler.convertHistory(history, items, false, (point) => {\n let value = point.value;\n\n // Regex-based extractor\n if (target.textFilter) {\n value = extractText(point.value, target.textFilter, target.useCaptureGroups);\n }\n\n return [\n value,\n point.clock * 1000 + Math.round(point.ns / 1000000)\n ];\n });\n });\n } else {\n return Promise.resolve([]);\n }\n });\n }\n\n /**\n * Test connection to Zabbix API\n * @return {object} Connection status and Zabbix API version\n */\n testDatasource() {\n let zabbixVersion;\n return this.zabbix.getVersion()\n .then(version => {\n zabbixVersion = version;\n return this.zabbix.login();\n })\n .then(() => {\n return {\n status: \"success\",\n title: \"Success\",\n message: \"Zabbix API version: \" + zabbixVersion\n };\n })\n .catch(error => {\n if (error instanceof ZabbixAPIError) {\n return {\n status: \"error\",\n title: error.message,\n message: error.data\n };\n } else {\n return {\n status: \"error\",\n title: \"Connection failed\",\n message: \"Could not connect to given url\"\n };\n }\n });\n }\n\n ////////////////\n // Templating //\n ////////////////\n\n /**\n * Find metrics from templated request.\n *\n * @param {string} query Query from Templating\n * @return {string} Metric name - group, host, app or item or list\n * of metrics in \"{metric1,metcic2,...,metricN}\" format.\n */\n metricFindQuery(query) {\n let result;\n let parts = [];\n\n // Split query. Query structure: group.host.app.item\n _.each(query.split('.'), part => {\n part = this.replaceTemplateVars(part, {});\n\n // Replace wildcard to regex\n if (part === '*') {\n part = '/.*/';\n }\n parts.push(part);\n });\n let template = _.zipObject(['group', 'host', 'app', 'item'], parts);\n\n // Get items\n if (parts.length === 4) {\n // Search for all items, even it's not belong to any application\n if (template.app === '/.*/') {\n template.app = '';\n }\n result = this.zabbix.getItems(template.group, template.host, template.app, template.item);\n } else if (parts.length === 3) {\n // Get applications\n result = this.zabbix.getApps(template.group, template.host, template.app);\n } else if (parts.length === 2) {\n // Get hosts\n result = this.zabbix.getHosts(template.group, template.host);\n } else if (parts.length === 1) {\n // Get groups\n result = this.zabbix.getGroups(template.group);\n } else {\n result = Promise.resolve([]);\n }\n\n return result.then(metrics => {\n return _.map(metrics, formatMetric);\n });\n }\n\n /////////////////\n // Annotations //\n /////////////////\n\n annotationQuery(options) {\n var timeFrom = Math.ceil(dateMath.parse(options.rangeRaw.from) / 1000);\n var timeTo = Math.ceil(dateMath.parse(options.rangeRaw.to) / 1000);\n var annotation = options.annotation;\n var showOkEvents = annotation.showOkEvents ? [0, 1] : 1;\n\n // Show all triggers\n var showTriggers = [0, 1];\n\n var getTriggers = this.zabbix\n .getTriggers(this.replaceTemplateVars(annotation.group, {}),\n this.replaceTemplateVars(annotation.host, {}),\n this.replaceTemplateVars(annotation.application, {}),\n showTriggers);\n\n return getTriggers.then(triggers => {\n\n // Filter triggers by description\n if (utils.isRegex(annotation.trigger)) {\n triggers = _.filter(triggers, trigger => {\n return utils.buildRegex(annotation.trigger).test(trigger.description);\n });\n } else if (annotation.trigger) {\n triggers = _.filter(triggers, trigger => {\n return trigger.description === annotation.trigger;\n });\n }\n\n // Remove events below the chose severity\n triggers = _.filter(triggers, trigger => {\n return Number(trigger.priority) >= Number(annotation.minseverity);\n });\n\n var objectids = _.map(triggers, 'triggerid');\n return this.zabbix\n .getEvents(objectids, timeFrom, timeTo, showOkEvents)\n .then(events => {\n var indexedTriggers = _.keyBy(triggers, 'triggerid');\n\n // Hide acknowledged events if option enabled\n if (annotation.hideAcknowledged) {\n events = _.filter(events, event => {\n return !event.acknowledges.length;\n });\n }\n\n return _.map(events, event => {\n let tags;\n if (annotation.showHostname) {\n tags = _.map(event.hosts, 'name');\n }\n\n // Show event type (OK or Problem)\n let title = Number(event.value) ? 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_ from 'lodash';\nimport * as dateMath from 'app/core/utils/datemath';\nimport * as utils from './utils';\nimport * as migrations from './migrations';\nimport * as metricFunctions from './metricFunctions';\nimport dataProcessor from './dataProcessor';\nimport responseHandler from './responseHandler';\nimport './zabbix.js';\nimport './zabbixAlerting.service.js';\nimport {ZabbixAPIError} from './zabbixAPICore.service.js';\n\nclass ZabbixAPIDatasource {\n\n /** @ngInject */\n constructor(instanceSettings, templateSrv, alertSrv, dashboardSrv, zabbixAlertingSrv, Zabbix) {\n this.templateSrv = templateSrv;\n this.alertSrv = alertSrv;\n this.dashboardSrv = dashboardSrv;\n this.zabbixAlertingSrv = zabbixAlertingSrv;\n\n // General data source settings\n this.name = instanceSettings.name;\n this.url = instanceSettings.url;\n this.basicAuth = instanceSettings.basicAuth;\n this.withCredentials = instanceSettings.withCredentials;\n\n // Zabbix API credentials\n this.username = instanceSettings.jsonData.username;\n this.password = instanceSettings.jsonData.password;\n\n // Use trends instead history since specified time\n this.trends = instanceSettings.jsonData.trends;\n this.trendsFrom = instanceSettings.jsonData.trendsFrom || '7d';\n\n // Set cache update interval\n var ttl = instanceSettings.jsonData.cacheTTL || '1h';\n this.cacheTTL = utils.parseInterval(ttl);\n\n // Alerting options\n this.alertingEnabled = instanceSettings.jsonData.alerting;\n this.addThresholds = instanceSettings.jsonData.addThresholds;\n this.alertingMinSeverity = instanceSettings.jsonData.alertingMinSeverity || 2;\n\n this.zabbix = new Zabbix(this.url, this.username, this.password, this.basicAuth, this.withCredentials, this.cacheTTL);\n\n // Use custom format for template variables\n this.replaceTemplateVars = _.partial(replaceTemplateVars, this.templateSrv);\n }\n\n ////////////////////////\n // Datasource methods //\n ////////////////////////\n\n /**\n * Query panel data. Calls for each panel in dashboard.\n * @param {Object} options Contains time range, targets and other info.\n * @return {Object} Grafana metrics object with timeseries data for each target.\n */\n query(options) {\n let timeFrom = Math.ceil(dateMath.parse(options.range.from) / 1000);\n let timeTo = Math.ceil(dateMath.parse(options.range.to) / 1000);\n\n let useTrendsFrom = Math.ceil(dateMath.parse('now-' + this.trendsFrom) / 1000);\n let useTrends = (timeFrom <= useTrendsFrom) && this.trends;\n\n // Get alerts for current panel\n if (this.alertingEnabled) {\n this.alertQuery(options).then(alert => {\n this.zabbixAlertingSrv.setPanelAlertState(options.panelId, alert.state);\n\n this.zabbixAlertingSrv.removeZabbixThreshold(options.panelId);\n if (this.addThresholds) {\n _.forEach(alert.thresholds, threshold => {\n this.zabbixAlertingSrv.setPanelThreshold(options.panelId, threshold);\n });\n }\n });\n }\n\n // Create request for each target\n let promises = _.map(options.targets, target => {\n // Prevent changes of original object\n target = _.cloneDeep(target);\n this.replaceTargetVariables(target, options);\n\n // Apply Time-related functions (timeShift(), etc)\n let timeFunctions = bindFunctionDefs(target.functions, 'Time');\n if (timeFunctions.length) {\n const [time_from, time_to] = sequence(timeFunctions)([timeFrom, timeTo]);\n timeFrom = time_from;\n timeTo = time_to;\n }\n\n // Metrics or Text query mode\n if (target.mode !== 1) {\n // Migrate old targets\n target = migrations.migrate(target);\n\n // Don't request undefined and hidden targets\n if (target.hide || !target.group || !target.host || !target.item) {\n return [];\n }\n\n if (!target.mode || target.mode === 0) {\n return this.queryNumericData(target, timeFrom, timeTo, useTrends);\n } else if (target.mode === 2) {\n return this.queryTextData(target, timeFrom, timeTo);\n }\n }\n\n // IT services mode\n else if (target.mode === 1) {\n // Don't show undefined and hidden targets\n if (target.hide || !target.itservice || !target.slaProperty) {\n return [];\n }\n\n return this.zabbix.getSLA(target.itservice.serviceid, timeFrom, timeTo)\n .then(slaObject => {\n return responseHandler.handleSLAResponse(target.itservice, target.slaProperty, slaObject);\n });\n }\n });\n\n // Data for panel (all targets)\n return Promise.all(_.flatten(promises))\n .then(_.flatten)\n .then(timeseries_data => {\n return downsampleSeries(timeseries_data, options);\n })\n .then(data => {\n return { data: data };\n });\n }\n\n queryNumericData(target, timeFrom, timeTo, useTrends) {\n let options = {\n itemtype: 'num'\n };\n return this.zabbix.getItemsFromTarget(target, options)\n .then(items => {\n let getHistoryPromise;\n\n if (useTrends) {\n let valueType = this.getTrendValueType(target);\n getHistoryPromise = this.zabbix.getTrend(items, timeFrom, timeTo)\n .then(history => {\n return responseHandler.handleTrends(history, items, valueType);\n });\n } else {\n // Use history\n getHistoryPromise = this.zabbix.getHistory(items, timeFrom, timeTo)\n .then(history => {\n return responseHandler.handleHistory(history, items);\n });\n }\n\n return getHistoryPromise.then(timeseries_data => {\n return this.applyDataProcessingFunctions(timeseries_data, target);\n });\n })\n .catch(error => {\n console.log(error);\n return [];\n });\n }\n\n getTrendValueType(target) {\n // Find trendValue() function and get specified trend value\n var trendFunctions = _.map(metricFunctions.getCategories()['Trends'], 'name');\n var trendValueFunc = _.find(target.functions, func => {\n return _.includes(trendFunctions, func.def.name);\n });\n return trendValueFunc ? trendValueFunc.params[0] : \"avg\";\n }\n\n applyDataProcessingFunctions(timeseries_data, target) {\n let transformFunctions = bindFunctionDefs(target.functions, 'Transform');\n let aggregationFunctions = bindFunctionDefs(target.functions, 'Aggregate');\n let filterFunctions = bindFunctionDefs(target.functions, 'Filter');\n let aliasFunctions = bindFunctionDefs(target.functions, 'Alias');\n\n // Apply transformation functions\n timeseries_data = _.map(timeseries_data, timeseries => {\n timeseries.datapoints = sequence(transformFunctions)(timeseries.datapoints);\n return timeseries;\n });\n\n // Apply filter functions\n if (filterFunctions.length) {\n timeseries_data = sequence(filterFunctions)(timeseries_data);\n }\n\n // Apply aggregations\n if (aggregationFunctions.length) {\n let dp = _.map(timeseries_data, 'datapoints');\n dp = sequence(aggregationFunctions)(dp);\n\n let aggFuncNames = _.map(metricFunctions.getCategories()['Aggregate'], 'name');\n let lastAgg = _.findLast(target.functions, func => {\n return _.includes(aggFuncNames, func.def.name);\n });\n\n timeseries_data = [{\n target: lastAgg.text,\n datapoints: dp\n }];\n }\n\n // Apply alias functions\n _.forEach(timeseries_data, sequence(aliasFunctions));\n\n // Apply Time-related functions (timeShift(), etc)\n // Find timeShift() function and get specified trend value\n this.applyTimeShiftFunction(timeseries_data, target);\n\n return timeseries_data;\n }\n\n applyTimeShiftFunction(timeseries_data, target) {\n // Find timeShift() function and get specified interval\n let timeShiftFunc = _.find(target.functions, (func) => {\n return func.def.name === 'timeShift';\n });\n if (timeShiftFunc) {\n let shift = timeShiftFunc.params[0];\n _.forEach(timeseries_data, (series) => {\n series.datapoints = dataProcessor.unShiftTimeSeries(shift, series.datapoints);\n });\n }\n }\n\n queryTextData(target, timeFrom, timeTo) {\n let options = {\n itemtype: 'text'\n };\n return this.zabbix.getItemsFromTarget(target, options)\n .then(items => {\n if (items.length) {\n return this.zabbix.getHistory(items, timeFrom, timeTo)\n .then(history => {\n return responseHandler.convertHistory(history, items, false, (point) => {\n let value = point.value;\n\n // Regex-based extractor\n if (target.textFilter) {\n value = extractText(point.value, target.textFilter, target.useCaptureGroups);\n }\n\n return [\n value,\n point.clock * 1000 + Math.round(point.ns / 1000000)\n ];\n });\n });\n } else {\n return Promise.resolve([]);\n }\n });\n }\n\n /**\n * Test connection to Zabbix API\n * @return {object} Connection status and Zabbix API version\n */\n testDatasource() {\n let zabbixVersion;\n return this.zabbix.getVersion()\n .then(version => {\n zabbixVersion = version;\n return this.zabbix.login();\n })\n .then(() => {\n return {\n status: \"success\",\n title: \"Success\",\n message: \"Zabbix API version: \" + zabbixVersion\n };\n })\n .catch(error => {\n if (error instanceof ZabbixAPIError) {\n return {\n status: \"error\",\n title: error.message,\n message: error.data\n };\n } else {\n return {\n status: \"error\",\n title: \"Connection failed\",\n message: \"Could not connect to given url\"\n };\n }\n });\n }\n\n ////////////////\n // Templating //\n ////////////////\n\n /**\n * Find metrics from templated request.\n *\n * @param {string} query Query from Templating\n * @return {string} Metric name - group, host, app or item or list\n * of metrics in \"{metric1,metcic2,...,metricN}\" format.\n */\n metricFindQuery(query) {\n let result;\n let parts = [];\n\n // Split query. Query structure: group.host.app.item\n _.each(query.split('.'), part => {\n part = this.replaceTemplateVars(part, {});\n\n // Replace wildcard to regex\n if (part === '*') {\n part = '/.*/';\n }\n parts.push(part);\n });\n let template = _.zipObject(['group', 'host', 'app', 'item'], parts);\n\n // Get items\n if (parts.length === 4) {\n // Search for all items, even it's not belong to any application\n if (template.app === '/.*/') {\n template.app = '';\n }\n result = this.zabbix.getItems(template.group, template.host, template.app, template.item);\n } else if (parts.length === 3) {\n // Get applications\n result = this.zabbix.getApps(template.group, template.host, template.app);\n } else if (parts.length === 2) {\n // Get hosts\n result = this.zabbix.getHosts(template.group, template.host);\n } else if (parts.length === 1) {\n // Get groups\n result = this.zabbix.getGroups(template.group);\n } else {\n result = Promise.resolve([]);\n }\n\n return result.then(metrics => {\n return _.map(metrics, formatMetric);\n });\n }\n\n /////////////////\n // Annotations //\n /////////////////\n\n annotationQuery(options) {\n var timeFrom = Math.ceil(dateMath.parse(options.rangeRaw.from) / 1000);\n var timeTo = Math.ceil(dateMath.parse(options.rangeRaw.to) / 1000);\n var annotation = options.annotation;\n var showOkEvents = annotation.showOkEvents ? [0, 1] : 1;\n\n // Show all triggers\n var showTriggers = [0, 1];\n\n var getTriggers = this.zabbix\n .getTriggers(this.replaceTemplateVars(annotation.group, {}),\n this.replaceTemplateVars(annotation.host, {}),\n this.replaceTemplateVars(annotation.application, {}),\n showTriggers);\n\n return getTriggers.then(triggers => {\n\n // Filter triggers by description\n if (utils.isRegex(annotation.trigger)) {\n triggers = _.filter(triggers, trigger => {\n return utils.buildRegex(annotation.trigger).test(trigger.description);\n });\n } else if (annotation.trigger) {\n triggers = _.filter(triggers, trigger => {\n return trigger.description === annotation.trigger;\n });\n }\n\n // Remove events below the chose severity\n triggers = _.filter(triggers, trigger => {\n return Number(trigger.priority) >= Number(annotation.minseverity);\n });\n\n var objectids = _.map(triggers, 'triggerid');\n return this.zabbix\n .getEvents(objectids, timeFrom, timeTo, showOkEvents)\n .then(events => {\n var indexedTriggers = _.keyBy(triggers, 'triggerid');\n\n // Hide acknowledged events if option enabled\n if (annotation.hideAcknowledged) {\n events = _.filter(events, event => {\n return !event.acknowledges.length;\n });\n }\n\n return _.map(events, event => {\n let tags;\n if (annotation.showHostname) {\n tags = _.map(event.hosts, 'name');\n }\n\n // Show event type (OK or Problem)\n let title = Number(event.value) ? 'Problem' : 'OK';\n\n let formatted_acknowledges = utils.formatAcknowledges(event.acknowledges);\n return {\n annotation: annotation,\n time: event.clock * 1000,\n title: title,\n tags: tags,\n text: indexedTriggers[event.objectid].description + formatted_acknowledges\n };\n });\n });\n });\n }\n\n /**\n * Get triggers and its details for panel's targets\n * Returns alert state ('ok' if no fired triggers, or 'alerting' if at least 1 trigger is fired)\n * or empty object if no related triggers are finded.\n */\n alertQuery(options) {\n let enabled_targets = filterEnabledTargets(options.targets);\n let getPanelItems = _.map(enabled_targets, target => {\n return this.zabbix.getItemsFromTarget(target, {itemtype: 'num'});\n });\n\n return Promise.all(getPanelItems)\n .then(results => {\n let items = _.flatten(results);\n let itemids = _.map(items, 'itemid');\n\n return this.zabbix.getAlerts(itemids);\n })\n .then(triggers => {\n triggers = _.filter(triggers, trigger => {\n return trigger.priority >= this.alertingMinSeverity;\n });\n\n if (!triggers || triggers.length === 0) {\n return {};\n }\n\n let state = 'ok';\n\n let firedTriggers = _.filter(triggers, {value: '1'});\n if (firedTriggers.length) {\n state = 'alerting';\n }\n\n let thresholds = _.map(triggers, trigger => {\n return getTriggerThreshold(trigger.expression);\n });\n\n return {\n panelId: options.panelId,\n state: state,\n thresholds: thresholds\n };\n });\n }\n\n // Replace template variables\n replaceTargetVariables(target, options) {\n let parts = ['group', 'host', 'application', 'item'];\n _.forEach(parts, p => {\n if (target[p] && target[p].filter) {\n target[p].filter = this.replaceTemplateVars(target[p].filter, options.scopedVars);\n }\n });\n target.textFilter = this.replaceTemplateVars(target.textFilter, options.scopedVars);\n\n _.forEach(target.functions, func => {\n func.params = _.map(func.params, param => {\n if (typeof param === 'number') {\n return +this.templateSrv.replace(param.toString(), options.scopedVars);\n } else {\n return this.templateSrv.replace(param, options.scopedVars);\n }\n });\n });\n }\n\n}\n\nfunction bindFunctionDefs(functionDefs, category) {\n var aggregationFunctions = _.map(metricFunctions.getCategories()[category], 'name');\n var aggFuncDefs = _.filter(functionDefs, function(func) {\n return _.includes(aggregationFunctions, func.def.name);\n });\n\n return _.map(aggFuncDefs, function(func) {\n var funcInstance = metricFunctions.createFuncInstance(func.def, func.params);\n return funcInstance.bindFunction(dataProcessor.metricFunctions);\n });\n}\n\nfunction downsampleSeries(timeseries_data, options) {\n return _.map(timeseries_data, timeseries => {\n if (timeseries.datapoints.length > options.maxDataPoints) {\n timeseries.datapoints = dataProcessor\n .groupBy(options.interval, dataProcessor.AVERAGE, timeseries.datapoints);\n }\n return timeseries;\n });\n}\n\nfunction formatMetric(metricObj) {\n return {\n text: metricObj.name,\n expandable: false\n };\n}\n\n/**\n * Custom formatter for template variables.\n * Default Grafana \"regex\" formatter returns\n * value1|value2\n * This formatter returns\n * (value1|value2)\n * This format needed for using in complex regex with\n * template variables, for example\n * /CPU $cpu_item.*time/ where $cpu_item is system,user,iowait\n */\nfunction zabbixTemplateFormat(value) {\n if (typeof value === 'string') {\n return utils.escapeRegex(value);\n }\n\n var escapedValues = _.map(value, utils.escapeRegex);\n return '(' + escapedValues.join('|') + ')';\n}\n\n/**\n * If template variables are used in request, replace it using regex format\n * and wrap with '/' for proper multi-value work. Example:\n * $variable selected as a, b, c\n * We use filter $variable\n * $variable -> a|b|c -> /a|b|c/\n * /$variable/ -> /a|b|c/ -> /a|b|c/\n */\nfunction replaceTemplateVars(templateSrv, target, scopedVars) {\n var replacedTarget = templateSrv.replace(target, scopedVars, zabbixTemplateFormat);\n if (target !== replacedTarget && !utils.isRegex(replacedTarget)) {\n replacedTarget = '/^' + replacedTarget + '$/';\n }\n return replacedTarget;\n}\n\nfunction extractText(str, pattern, useCaptureGroups) {\n let extractPattern = new RegExp(pattern);\n let extractedValue = extractPattern.exec(str);\n if (extractedValue) {\n if (useCaptureGroups) {\n extractedValue = extractedValue[1];\n } else {\n extractedValue = extractedValue[0];\n }\n }\n return extractedValue;\n}\n\n// Apply function one by one:\n// sequence([a(), b(), c()]) = c(b(a()));\nfunction sequence(funcsArray) {\n return function(result) {\n for (var i = 0; i < funcsArray.length; i++) {\n result = funcsArray[i].call(this, result);\n }\n return result;\n };\n}\n\nfunction filterEnabledTargets(targets) {\n return _.filter(targets, target => {\n return !(target.hide || !target.group || !target.host || !target.item);\n });\n}\n\nfunction getTriggerThreshold(expression) {\n let thresholdPattern = /.*[<>]([\\d\\.]+)/;\n let finded_thresholds = expression.match(thresholdPattern);\n if (finded_thresholds && finded_thresholds.length >= 2) {\n let threshold = finded_thresholds[1];\n threshold = Number(threshold);\n return threshold;\n } else {\n return null;\n }\n}\n\nexport {ZabbixAPIDatasource, zabbixTemplateFormat};\n\n// Fix for backward compatibility with lodash 2.4\nif (!_.includes) {_.includes = _.contains;}\nif (!_.keyBy) {_.keyBy = _.indexBy;}\n"]} \ No newline at end of file diff --git a/dist/datasource-zabbix/metricFunctions.js b/dist/datasource-zabbix/metricFunctions.js index eefcb1f..a5c43a8 100644 --- a/dist/datasource-zabbix/metricFunctions.js +++ b/dist/datasource-zabbix/metricFunctions.js @@ -211,6 +211,13 @@ System.register(['lodash', 'jquery'], function (_export, _context) { defaultParams: [] }); + addFuncDef({ + name: 'replaceAlias', + category: 'Alias', + params: [{ name: 'regexp', type: 'string' }, { name: 'newAlias', type: 'string' }], + defaultParams: ['/(.*)/', '$1'] + }); + _.each(categories, function (funcList, catName) { categories[catName] = _.sortBy(funcList, 'name'); }); diff --git a/dist/datasource-zabbix/metricFunctions.js.map b/dist/datasource-zabbix/metricFunctions.js.map index e0f8de7..da8e44f 100644 --- a/dist/datasource-zabbix/metricFunctions.js.map +++ b/dist/datasource-zabbix/metricFunctions.js.map @@ -1 +1 @@ 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_ from 'lodash';\nimport $ from 'jquery';\n\nvar index = [];\nvar categories = {\n Transform: [],\n Aggregate: [],\n Filter: [],\n Trends: [],\n Time: [],\n Alias: []\n};\n\nfunction addFuncDef(funcDef) {\n funcDef.params = funcDef.params || [];\n funcDef.defaultParams = funcDef.defaultParams || [];\n\n if (funcDef.category) {\n categories[funcDef.category].push(funcDef);\n }\n index[funcDef.name] = funcDef;\n index[funcDef.shortName || funcDef.name] = funcDef;\n}\n\n// Transform\n\naddFuncDef({\n name: 'groupBy',\n category: 'Transform',\n params: [\n { name: 'interval', type: 'string'},\n { name: 'function', type: 'string', options: ['avg', 'min', 'max', 'sum', 'count', 'median'] }\n ],\n defaultParams: ['1m', 'avg'],\n});\n\naddFuncDef({\n name: 'scale',\n category: 'Transform',\n params: [\n { name: 'factor', type: 'float', options: [100, 0.01, 10, -1]}\n ],\n defaultParams: [100],\n});\n\naddFuncDef({\n name: 'delta',\n category: 'Transform',\n params: [],\n defaultParams: [],\n});\n\n// Aggregate\n\naddFuncDef({\n name: 'sumSeries',\n category: 'Aggregate',\n params: [],\n defaultParams: [],\n});\n\naddFuncDef({\n name: 'median',\n category: 'Aggregate',\n params: [\n { name: 'interval', type: 'string'}\n ],\n defaultParams: ['1m'],\n});\n\naddFuncDef({\n name: 'average',\n category: 'Aggregate',\n params: [\n { name: 'interval', type: 'string' }\n ],\n defaultParams: ['1m'],\n});\n\naddFuncDef({\n name: 'min',\n category: 'Aggregate',\n params: [\n { name: 'interval', type: 'string' }\n ],\n defaultParams: ['1m'],\n});\n\naddFuncDef({\n name: 'max',\n category: 'Aggregate',\n params: [\n { name: 'interval', type: 'string' }\n ],\n defaultParams: ['1m'],\n});\n\naddFuncDef({\n name: 'sum',\n category: 'Aggregate',\n params: [\n { name: 'interval', type: 'string' }\n ],\n defaultParams: ['1m'],\n});\n\naddFuncDef({\n name: 'count',\n category: 'Aggregate',\n params: [\n { name: 'interval', type: 'string' }\n ],\n defaultParams: ['1m'],\n});\n\naddFuncDef({\n name: 'aggregateBy',\n category: 'Aggregate',\n params: [\n { name: 'interval', type: 'string' },\n { name: 'function', type: 'string', options: ['avg', 'min', 'max', 'sum', 'count', 'median'] }\n ],\n defaultParams: ['1m', 'avg'],\n});\n\n// Filter\n\naddFuncDef({\n name: 'top',\n category: 'Filter',\n params: [\n { name: 'number', type: 'int' },\n { name: 'value', type: 'string', options: ['avg', 'min', 'max', 'sum', 'count', 'median'] }\n ],\n defaultParams: [5, 'avg'],\n});\n\naddFuncDef({\n name: 'bottom',\n category: 'Filter',\n params: [\n { name: 'number', type: 'int' },\n { name: 'value', type: 'string', options: ['avg', 'min', 'max', 'sum', 'count', 'median'] }\n ],\n defaultParams: [5, 'avg'],\n});\n\n// Trends\n\naddFuncDef({\n name: 'trendValue',\n category: 'Trends',\n params: [\n { name: 'type', type: 'string', options: ['avg', 'min', 'max', 'sum', 'count'] }\n ],\n defaultParams: ['avg'],\n});\n\n// Time\n\naddFuncDef({\n name: 'timeShift',\n category: 'Time',\n params: [\n { name: 'interval', type: 'string', options: ['24h', '7d', '1M', '+24h', '-24h']}\n ],\n defaultParams: ['24h'],\n});\n\n//Alias\n\naddFuncDef({\n name: 'setAlias',\n category: 'Alias',\n params: [\n { name: 'alias', type: 'string' }\n ],\n defaultParams: []\n});\n\naddFuncDef({\n name: 'setAliasByRegex',\n category: 'Alias',\n params: [\n { name: 'aliasByRegex', type: 'string' }\n ],\n defaultParams: []\n});\n\naddFuncDef({\n name: 'replaceAlias',\n category: 'Alias',\n params: [\n { name: 'regexp', type: 'string' },\n { name: 'newAlias', type: 'string' }\n ],\n defaultParams: ['/(.*)/', '$1']\n});\n\n_.each(categories, function(funcList, catName) {\n categories[catName] = _.sortBy(funcList, 'name');\n});\n\nclass FuncInstance {\n constructor(funcDef, params) {\n this.def = funcDef;\n\n if (params) {\n this.params = params;\n } else {\n // Create with default params\n this.params = [];\n this.params = funcDef.defaultParams.slice(0);\n }\n\n this.updateText();\n }\n\n bindFunction(metricFunctions) {\n var func = metricFunctions[this.def.name];\n if (func) {\n\n // Bind function arguments\n var bindedFunc = func;\n var param;\n for (var i = 0; i < this.params.length; i++) {\n param = this.params[i];\n\n // Convert numeric params\n if (this.def.params[i].type === 'int' ||\n this.def.params[i].type === 'float') {\n param = Number(param);\n }\n bindedFunc = _.partial(bindedFunc, param);\n }\n return bindedFunc;\n } else {\n throw { message: 'Method not found ' + this.def.name };\n }\n }\n\n render(metricExp) {\n var str = this.def.name + '(';\n var parameters = _.map(this.params, function(value, index) {\n\n var paramType = this.def.params[index].type;\n if (paramType === 'int' ||\n paramType === 'float' ||\n paramType === 'value_or_series' ||\n paramType === 'boolean') {\n return value;\n }\n else if (paramType === 'int_or_interval' && $.isNumeric(value)) {\n return value;\n }\n\n return \"'\" + value + \"'\";\n\n }, this);\n\n if (metricExp) {\n parameters.unshift(metricExp);\n }\n\n return str + parameters.join(', ') + ')';\n }\n\n _hasMultipleParamsInString(strValue, index) {\n if (strValue.indexOf(',') === -1) {\n return false;\n }\n\n return this.def.params[index + 1] && this.def.params[index + 1].optional;\n }\n\n updateParam(strValue, index) {\n // handle optional parameters\n // if string contains ',' and next param is optional, split and update both\n if (this._hasMultipleParamsInString(strValue, index)) {\n _.each(strValue.split(','), function(partVal, idx) {\n this.updateParam(partVal.trim(), idx);\n }, this);\n return;\n }\n\n if (strValue === '' && this.def.params[index].optional) {\n this.params.splice(index, 1);\n }\n else {\n this.params[index] = strValue;\n }\n\n this.updateText();\n }\n\n updateText() {\n if (this.params.length === 0) {\n this.text = this.def.name + '()';\n return;\n }\n\n var text = this.def.name + '(';\n text += this.params.join(', ');\n text += ')';\n this.text = text;\n }\n}\n\nexport function createFuncInstance(funcDef, params) {\n if (_.isString(funcDef)) {\n if (!index[funcDef]) {\n throw { message: 'Method not found ' + name };\n }\n funcDef = index[funcDef];\n }\n return new FuncInstance(funcDef, params);\n}\n\nexport function getFuncDef(name) {\n return index[name];\n}\n\nexport function getCategories() {\n return categories;\n}\n"]} \ No newline at end of file diff --git a/dist/test/datasource-zabbix/dataProcessor.js b/dist/test/datasource-zabbix/dataProcessor.js index eb0a1c2..d33c7fc 100644 --- a/dist/test/datasource-zabbix/dataProcessor.js +++ b/dist/test/datasource-zabbix/dataProcessor.js @@ -181,6 +181,19 @@ function setAlias(alias, timeseries) { return timeseries; } +function replaceAlias(regexp, newAlias, timeseries) { + var pattern = void 0; + if (utils.isRegex(regexp)) { + pattern = utils.buildRegex(regexp); + } else { + pattern = regexp; + } + + var alias = timeseries.target.replace(pattern, newAlias); + timeseries.target = alias; + return timeseries; +} + function setAliasByRegex(alias, timeseries) { timeseries.target = extractText(timeseries.target, alias); return timeseries; @@ -315,7 +328,8 @@ var metricFunctions = { bottom: _lodash2.default.partial(limit, 'bottom'), timeShift: timeShift, setAlias: setAlias, - setAliasByRegex: setAliasByRegex + setAliasByRegex: setAliasByRegex, + replaceAlias: replaceAlias }; var aggregationFunctions = { diff --git a/dist/test/datasource-zabbix/datasource.js b/dist/test/datasource-zabbix/datasource.js index 8447b6e..7445832 100644 --- a/dist/test/datasource-zabbix/datasource.js +++ b/dist/test/datasource-zabbix/datasource.js @@ -192,12 +192,10 @@ var ZabbixAPIDatasource = function () { var getHistoryPromise = void 0; if (useTrends) { - (function () { - var valueType = _this2.getTrendValueType(target); - getHistoryPromise = _this2.zabbix.getTrend(items, timeFrom, timeTo).then(function (history) { - return _responseHandler2.default.handleTrends(history, items, valueType); - }); - })(); + var valueType = _this2.getTrendValueType(target); + getHistoryPromise = _this2.zabbix.getTrend(items, timeFrom, timeTo).then(function (history) { + return _responseHandler2.default.handleTrends(history, items, valueType); + }); } else { // Use history getHistoryPromise = _this2.zabbix.getHistory(items, timeFrom, timeTo).then(function (history) { @@ -244,20 +242,18 @@ var ZabbixAPIDatasource = function () { // Apply aggregations if (aggregationFunctions.length) { - (function () { - var dp = _lodash2.default.map(timeseries_data, 'datapoints'); - dp = sequence(aggregationFunctions)(dp); + var dp = _lodash2.default.map(timeseries_data, 'datapoints'); + dp = sequence(aggregationFunctions)(dp); - var aggFuncNames = _lodash2.default.map(metricFunctions.getCategories()['Aggregate'], 'name'); - var lastAgg = _lodash2.default.findLast(target.functions, function (func) { - return _lodash2.default.includes(aggFuncNames, func.def.name); - }); + var aggFuncNames = _lodash2.default.map(metricFunctions.getCategories()['Aggregate'], 'name'); + var lastAgg = _lodash2.default.findLast(target.functions, function (func) { + return _lodash2.default.includes(aggFuncNames, func.def.name); + }); - timeseries_data = [{ - target: lastAgg.text, - datapoints: dp - }]; - })(); + timeseries_data = [{ + target: lastAgg.text, + datapoints: dp + }]; } // Apply alias functions @@ -277,12 +273,10 @@ var ZabbixAPIDatasource = function () { return func.def.name === 'timeShift'; }); if (timeShiftFunc) { - (function () { - var shift = timeShiftFunc.params[0]; - _lodash2.default.forEach(timeseries_data, function (series) { - series.datapoints = _dataProcessor2.default.unShiftTimeSeries(shift, series.datapoints); - }); - })(); + var shift = timeShiftFunc.params[0]; + _lodash2.default.forEach(timeseries_data, function (series) { + series.datapoints = _dataProcessor2.default.unShiftTimeSeries(shift, series.datapoints); + }); } } }, { diff --git a/dist/test/datasource-zabbix/metricFunctions.js b/dist/test/datasource-zabbix/metricFunctions.js index 6a2395f..5e5016c 100644 --- a/dist/test/datasource-zabbix/metricFunctions.js +++ b/dist/test/datasource-zabbix/metricFunctions.js @@ -174,6 +174,13 @@ addFuncDef({ defaultParams: [] }); +addFuncDef({ + name: 'replaceAlias', + category: 'Alias', + params: [{ name: 'regexp', type: 'string' }, { name: 'newAlias', type: 'string' }], + defaultParams: ['/(.*)/', '$1'] +}); + _lodash2.default.each(categories, function (funcList, catName) { categories[catName] = _lodash2.default.sortBy(funcList, 'name'); }); diff --git a/docs/sources/reference/functions.md b/docs/sources/reference/functions.md index d1bfdae..bde49f7 100644 --- a/docs/sources/reference/functions.md +++ b/docs/sources/reference/functions.md @@ -158,3 +158,35 @@ Examples: ``` setAlias(Zabbix busy [a-zA-Z]+) ``` + +### replaceAlias +``` +replaceAlias(pattern, newAlias) +``` + +Replace metric name using pattern. Pattern is regex or regular string. If regex is used, following special replacement patterns are supported: + +|Pattern | Inserts| +----------|--------- +|$$ | Inserts a "$". | +|$& | Inserts the matched substring. | +|$` | Inserts the portion of the string that precedes the matched substring. | +|$' | Inserts the portion of the string that follows the matched substring. | +|$n | Where n is a non-negative integer less than 100, inserts the nth parenthesized submatch string, provided the first argument was a RegExp object. | + +For more detais see [String.prototype.replace()](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace) function. + +Examples: +``` +CPU system time +replaceAlias(/CPU (.*) time/, $1) -> system + +backend01: CPU system time +replaceAlias(/CPU (.*) time/, $1) -> backend01: system + +backend01: CPU system time +replaceAlias(/.*CPU (.*) time/, $1) -> system + +backend01: CPU system time +replaceAlias(/(.*): CPU (.*) time/, $1 - $2) -> backend01 - system +``` diff --git a/src/datasource-zabbix/dataProcessor.js b/src/datasource-zabbix/dataProcessor.js index 5c66794..f98fc8f 100644 --- a/src/datasource-zabbix/dataProcessor.js +++ b/src/datasource-zabbix/dataProcessor.js @@ -168,6 +168,19 @@ function setAlias(alias, timeseries) { return timeseries; } +function replaceAlias(regexp, newAlias, timeseries) { + let pattern; + if (utils.isRegex(regexp)) { + pattern = utils.buildRegex(regexp); + } else { + pattern = regexp; + } + + let alias = timeseries.target.replace(pattern, newAlias); + timeseries.target = alias; + return timeseries; +} + function setAliasByRegex(alias, timeseries) { timeseries.target = extractText(timeseries.target, alias); return timeseries; @@ -308,7 +321,8 @@ let metricFunctions = { bottom: _.partial(limit, 'bottom'), timeShift: timeShift, setAlias: setAlias, - setAliasByRegex: setAliasByRegex + setAliasByRegex: setAliasByRegex, + replaceAlias: replaceAlias }; let aggregationFunctions = { @@ -338,4 +352,4 @@ export default { get metricFunctions() { return metricFunctions; } -}; \ No newline at end of file +}; diff --git a/src/datasource-zabbix/metricFunctions.js b/src/datasource-zabbix/metricFunctions.js index c04cb6c..11aa613 100644 --- a/src/datasource-zabbix/metricFunctions.js +++ b/src/datasource-zabbix/metricFunctions.js @@ -187,6 +187,16 @@ addFuncDef({ defaultParams: [] }); +addFuncDef({ + name: 'replaceAlias', + category: 'Alias', + params: [ + { name: 'regexp', type: 'string' }, + { name: 'newAlias', type: 'string' } + ], + defaultParams: ['/(.*)/', '$1'] +}); + _.each(categories, function(funcList, catName) { categories[catName] = _.sortBy(funcList, 'name'); });