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Testing kariosdb datasource, hm.. needs a lot of work

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pull/1759/head
Torkel Ödegaard 11 years ago
parent c01efad997
commit 618d4f0a9d
6 changed files with 1204 additions and 3 deletions
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  1. 6
      pkg/api/frontendsettings.go
  2. 420
      src/app/plugins/datasource/kairosdb/datasource.js
  3. 1
      src/app/plugins/datasource/kairosdb/partials/config.html
  4. 384
      src/app/plugins/datasource/kairosdb/partials/query.editor.html
  5. 17
      src/app/plugins/datasource/kairosdb/plugin.json
  6. 379
      src/app/plugins/datasource/kairosdb/queryCtrl.js

6
pkg/api/frontendsettings.go
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@ -1,11 +1,10 @@
package api
import (
"errors"
"fmt"
"strconv"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/log"
"github.com/grafana/grafana/pkg/middleware"
m "github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/plugins"
@ -45,7 +44,8 @@ func getFrontendSettingsMap(c *middleware.Context) (map[string]interface{}, erro
meta, exists := plugins.DataSources[ds.Type]
if !exists {
return nil, errors.New(fmt.Sprintf("Could not find plugin definition for data source: %v", ds.Type))
log.Error(3, "Could not find plugin definition for data source: %v", ds.Type)
continue
}
dsMap["meta"] = meta

420
src/app/plugins/datasource/kairosdb/datasource.js
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@ -0,0 +1,420 @@
define([
'angular',
'lodash',
'kbn',
'./queryCtrl',
],
function (angular, _, kbn) {
'use strict';
var module = angular.module('grafana.services');
var tagList = null;
module.factory('KairosDBDatasource', function($q, $http) {
function KairosDBDatasource(datasource) {
this.type = datasource.type;
this.editorSrc = 'plugins/datasources/kairosdb/kairosdb.editor.html';
this.url = datasource.url;
this.name = datasource.name;
this.supportMetrics = true;
this.grafanaDB = datasource.grafanaDB;
}
// Called once per panel (graph)
KairosDBDatasource.prototype.query = function(options) {
var start = options.range.from;
var end = options.range.to;
var queries = _.compact(_.map(options.targets, _.partial(convertTargetToQuery, options)));
var plotParams = _.compact(_.map(options.targets, function(target){
var alias = target.alias;
if (typeof target.alias == 'undefined' || target.alias == "")
alias = target.metric;
return !target.hide
? {alias: alias,
exouter: target.exOuter}
: null;
}));
var handleKairosDBQueryResponseAlias = _.partial(handleKairosDBQueryResponse, plotParams);
// No valid targets, return the empty result to save a round trip.
if (_.isEmpty(queries)) {
var d = $q.defer();
d.resolve({ data: [] });
return d.promise;
}
return this.performTimeSeriesQuery(queries, start, end).then(handleKairosDBQueryResponseAlias,handleQueryError);
};
///////////////////////////////////////////////////////////////////////
/// Query methods
///////////////////////////////////////////////////////////////////////
KairosDBDatasource.prototype.performTimeSeriesQuery = function(queries, start, end) {
var reqBody = {
metrics: queries
};
reqBody.cache_time=0;
convertToKairosTime(start,reqBody,'start');
convertToKairosTime(end,reqBody,'end');
var options = {
method: 'POST',
url: '/api/v1/datapoints/query',
data: reqBody
};
options.url = this.url + options.url;
return $http(options);
};
/**
* Gets the list of metrics
* @returns {*|Promise}
*/
KairosDBDatasource.prototype.performMetricSuggestQuery = function() {
var options = {
url : this.url + '/api/v1/metricnames',
method : 'GET'
};
return $http(options).then(function(results) {
if (!results.data) {
return [];
}
return results.data.results;
});
};
KairosDBDatasource.prototype.performTagSuggestQuery = function(metricname,range,type,keyValue) {
if(tagList && (metricname === tagList.metricName) && (range.from === tagList.range.from) &&
(range.to === tagList.range.to)) {
return getTagListFromResponse(tagList.results,type,keyValue);
}
tagList = {
metricName:metricname,
range:range
};
var body = {
metrics : [{name : metricname}]
};
convertToKairosTime(range.from,body,'start');
convertToKairosTime(range.to,body,'end');
var options = {
url : this.url + '/api/v1/datapoints/query/tags',
method : 'POST',
data : body
};
return $http(options).then(function(results) {
tagList.results = results;
return getTagListFromResponse(results,type,keyValue);
});
};
/////////////////////////////////////////////////////////////////////////
/// Formatting methods
////////////////////////////////////////////////////////////////////////
function getTagListFromResponse(results,type,keyValue) {
if (!results.data) {
return [];
}
if(type==="key") {
return _.keys(results.data.queries[0].results[0].tags);
}
else if(type==="value" && _.has(results.data.queries[0].results[0].tags,keyValue)) {
return results.data.queries[0].results[0].tags[keyValue];
}
return [];
}
/**
* Requires a verion of KairosDB with every CORS defects fixed
* @param results
* @returns {*}
*/
function handleQueryError(results) {
if(results.data.errors && !_.isEmpty(results.data.errors)) {
var errors = {
message: results.data.errors[0]
};
return $q.reject(errors);
}
else{
return $q.reject(results);
}
}
function handleKairosDBQueryResponse(plotParams, results) {
var output = [];
var index = 0;
_.each(results.data.queries, function (series) {
var sample_size = series.sample_size;
console.log("sample_size:" + sample_size + " samples");
_.each(series.results, function (result) {
//var target = result.name;
var target = plotParams[index].alias;
var details = " ( ";
_.each(result.group_by,function(element) {
if(element.name==="tag") {
_.each(element.group,function(value, key) {
details+= key+"="+value+" ";
});
}
else if(element.name==="value") {
details+= 'value_group='+element.group.group_number+" ";
}
else if(element.name==="time") {
details+= 'time_group='+element.group.group_number+" ";
}
});
details+= ") ";
if (details != " ( ) ")
target += details;
var datapoints = [];
for (var i = 0; i < result.values.length; i++) {
var t = Math.floor(result.values[i][0]);
var v = result.values[i][1];
datapoints[i] = [v, t];
}
if (plotParams[index].exouter)
datapoints = PeakFilter(datapoints, 10);
output.push({ target: target, datapoints: datapoints });
});
index ++;
});
var output2 = { data: _.flatten(output) };
return output2;
}
function convertTargetToQuery(options,target) {
if (!target.metric || target.hide) {
return null;
}
var query = {
name: target.metric
};
query.aggregators = [];
if(target.downsampling!=='(NONE)') {
query.aggregators.push({
name: target.downsampling,
align_sampling: true,
align_start_time: true,
sampling: KairosDBDatasource.prototype.convertToKairosInterval(target.sampling || options.interval)
});
}
if(target.horizontalAggregators) {
_.each(target.horizontalAggregators,function(chosenAggregator) {
var returnedAggregator = {
name:chosenAggregator.name
};
if(chosenAggregator.sampling_rate) {
returnedAggregator.sampling = KairosDBDatasource.prototype.convertToKairosInterval(chosenAggregator.sampling_rate);
returnedAggregator.align_sampling = true;
returnedAggregator.align_start_time=true;
}
if(chosenAggregator.unit) {
returnedAggregator.unit = chosenAggregator.unit+'s';
}
if(chosenAggregator.factor && chosenAggregator.name==='div') {
returnedAggregator.divisor = chosenAggregator.factor;
}
else if(chosenAggregator.factor && chosenAggregator.name==='scale') {
returnedAggregator.factor = chosenAggregator.factor;
}
if(chosenAggregator.percentile) {
returnedAggregator.percentile = chosenAggregator.percentile;
}
query.aggregators.push(returnedAggregator);
});
}
if(_.isEmpty(query.aggregators)) {
delete query.aggregators;
}
if(target.tags) {
query.tags = angular.copy(target.tags);
}
if(target.groupByTags || target.nonTagGroupBys) {
query.group_by = [];
if(target.groupByTags) {query.group_by.push({name: "tag", tags: angular.copy(target.groupByTags)});}
if(target.nonTagGroupBys) {
_.each(target.nonTagGroupBys,function(rawGroupBy) {
var formattedGroupBy = angular.copy(rawGroupBy);
if(formattedGroupBy.name==='time') {
formattedGroupBy.range_size=KairosDBDatasource.prototype.convertToKairosInterval(formattedGroupBy.range_size);
}
query.group_by.push(formattedGroupBy);
});
}
}
return query;
}
///////////////////////////////////////////////////////////////////////
/// Time conversion functions specifics to KairosDB
//////////////////////////////////////////////////////////////////////
KairosDBDatasource.prototype.convertToKairosInterval = function(intervalString) {
var interval_regex = /(\d+(?:\.\d+)?)([Mwdhmsy])/;
var interval_regex_ms = /(\d+(?:\.\d+)?)(ms)/;
var matches = intervalString.match(interval_regex_ms);
if(!matches) {
matches = intervalString.match(interval_regex);
}
if (!matches) {
throw new Error('Invalid interval string, expecting a number followed by one of "y M w d h m s ms"');
}
var value = matches[1];
var unit = matches[2];
if (value%1!==0) {
if(unit==='ms') {throw new Error('Invalid interval value, cannot be smaller than the millisecond');}
value = Math.round(kbn.intervals_in_seconds[unit]*value*1000);
unit = 'ms';
}
switch(unit) {
case 'ms':
unit = 'milliseconds';
break;
case 's':
unit = 'seconds';
break;
case 'm':
unit = 'minutes';
break;
case 'h':
unit = 'hours';
break;
case 'd':
unit = 'days';
break;
case 'w':
unit = 'weeks';
break;
case 'M':
unit = 'months';
break;
case 'y':
unit = 'years';
break;
default:
console.log("Unknown interval ", intervalString);
break;
}
return {
"value": value,
"unit": unit
};
};
function convertToKairosTime(date, response_obj, start_stop_name) {
var name;
if (_.isString(date)) {
if (date === 'now') {
return;
}
else if (date.indexOf('now-') >= 0) {
name = start_stop_name + "_relative";
date = date.substring(4);
var re_date = /(\d+)\s*(\D+)/;
var result = re_date.exec(date);
if (result) {
var value = result[1];
var unit = result[2];
switch(unit) {
case 'ms':
unit = 'milliseconds';
break;
case 's':
unit = 'seconds';
break;
case 'm':
unit = 'minutes';
break;
case 'h':
unit = 'hours';
break;
case 'd':
unit = 'days';
break;
case 'w':
unit = 'weeks';
break;
case 'M':
unit = 'months';
break;
case 'y':
unit = 'years';
break;
default:
console.log("Unknown date ", date);
break;
}
response_obj[name] = {
"value": value,
"unit": unit
};
return;
}
console.log("Unparseable date", date);
return;
}
date = kbn.parseDate(date);
}
if(_.isDate(date)) {
name = start_stop_name + "_absolute";
response_obj[name] = date.getTime();
return;
}
console.log("Date is neither string nor date");
}
function PeakFilter(dataIn, limit) {
var datapoints = dataIn;
var arrLength = datapoints.length;
if (arrLength <= 3)
return datapoints;
var LastIndx = arrLength - 1;
// Check first point
var prvDelta = Math.abs((datapoints[1][0] - datapoints[0][0]) / datapoints[0][0]);
var nxtDelta = Math.abs((datapoints[1][0] - datapoints[2][0]) / datapoints[2][0]);
if (prvDelta >= limit && nxtDelta < limit)
datapoints[0][0] = datapoints[1][0];
// Check last point
prvDelta = Math.abs((datapoints[LastIndx - 1][0] - datapoints[LastIndx - 2][0]) / datapoints[LastIndx - 2][0]);
nxtDelta = Math.abs((datapoints[LastIndx - 1][0] - datapoints[LastIndx][0]) / datapoints[LastIndx][0]);
if (prvDelta >= limit && nxtDelta < limit)
datapoints[LastIndx][0] = datapoints[LastIndx - 1][0];
for (var i = 1; i < arrLength - 1; i++){
prvDelta = Math.abs((datapoints[i][0] - datapoints[i - 1][0]) / datapoints[i - 1][0]);
nxtDelta = Math.abs((datapoints[i][0] - datapoints[i + 1][0]) / datapoints[i + 1][0]);
if (prvDelta >= limit && nxtDelta >= limit)
datapoints[i][0] = (datapoints[i-1][0] + datapoints[i+1][0]) / 2;
}
return datapoints;
}
////////////////////////////////////////////////////////////////////////
return KairosDBDatasource;
});
});

1
src/app/plugins/datasource/kairosdb/partials/config.html
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@ -0,0 +1 @@
<div ng-include="httpConfigPartialSrc"></div>

384
src/app/plugins/datasource/kairosdb/partials/query.editor.html
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@ -0,0 +1,384 @@
<div class="editor-row">
<div ng-repeat="target in panel.targets"
class="tight-form-container"
ng-class="{'tight-form-disabled': target.hide}"
ng-controller="KairosDBTargetCtrl"
ng-init="init()">
<div class="tight-form">
<ul class="tight-form-list pull-right">
<li>
<a bs-tooltip="'Group by\'s are always executed before aggregations!'"
ng-click="alert('Group by\'s are always executed before aggregations!')">
<i class="icon-info"></i>
</a>
</li>
<li class="dropdown">
<a class="pointer dropdown-toggle"
data-toggle="dropdown"
tabindex="1">
<i class="fa fa-cog"></i>
</a>
<ul class="dropdown-menu pull-right" role="menu">
<li role="menuitem">
<a tabindex="1"
ng-click="duplicate()">
Duplicate
</a>
</li>
<li role="menuitem">
<a tabindex="1"
ng-click="moveMetricQuery($index, $index-1)">
Move up
</a>
</li>
<li role="menuitem">
<a tabindex="1"
ng-click="moveMetricQuery($index, $index+1)">
Move down
</a>
</li>
</ul>
</li>
<li>
<a class="pointer" tabindex="1" ng-click="removeDataQuery(target)">
<i class="fa fa-remove"></i>
</a>
</li>
</ul>
<ul class="tight-form-list">
<li class="tight-form-item" style="min-width: 15px; text-align: center">
{{targetLetters[$index]}}
</li>
<li>
<a class="tight-form-item" ng-click="target.hide = !target.hide; targetBlur();" role="menuitem">
<i class="fa fa-fw fa-eye"></i>
</a>
</li>
<li>
<input type="text" class="input-medium tight-form-input" ng-model="target.alias"
spellcheck='false' placeholder="alias" ng-blur="targetBlur()">
</li>
<li>
<select style="width: 20em"
class="input-medium tight-form-input"
ng-change="targetBlur()"
ng-model="metric.value"
bs-tooltip="metricValue.length > 40 ? metricValue : ''"
ng-options="f for f in metric.list" >
<option value="">--select metric--</option>
</select>
<a bs-tooltip="target.errors.metric"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.metric">
<i class="icon-warning-sign"></i>
</a>
</li>
<li class="tight-form-item">
&nbsp;Peak filter
<input class="input-medium" type="checkbox" ng-model="target.exOuter" ng-change="targetBlur()">
</li>
</ul>
<div class="clearfix"></div>
</div>
<div class="tight-form">
<ul class="tight-form-list" role="menu">
<li class="tight-form-item" style="min-width: 15px; text-align: center">
</li>
<li>
<i class="fa fa-fw fa-eye invisible"></i>
</li>
<li class="tight-form-item">
Filter by Tag:
</li>
<li ng-repeat="(key, value) in target.tags track by $index" class="tight-form-item">
{{key}}&nbsp;=&nbsp;{{value}}
<a ng-click="removeFilterTag(key)">
<i class="icon-remove"></i>
</a>
</li>
<li class="tight-form-item" ng-hide="addFilterTagMode">
<a ng-click="addFilterTag()">
<i class="icon-plus-sign"></i>
</a>
</li>
<li ng-show="addFilterTagMode">
<input type="text"
class="input-small tight-form-input"
spellcheck='false'
bs-typeahead="suggestTagKeys"
ng-change="validateFilterTag()"
data-min-length=0 data-items=100
ng-model="target.currentTagKey"
placeholder="key">
</li>
<li ng-show="addFilterTagMode">
<input type="text"
class="input-small tight-form-input"
spellcheck='false'
bs-typeahead="suggestTagValues"
ng-change="validateFilterTag()"
data-min-length=0 data-items=100
ng-model="target.currentTagValue"
placeholder="value">
<a bs-tooltip="target.errors.tags"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.tags">
<i class="icon-warning-sign"></i>
</a>
<li class="tight-form-item" ng-show="addFilterTagMode">
<a ng-click="addFilterTag()">
<i ng-show="target.errors.tags" class="icon-remove"></i>
<i ng-hide="target.errors.tags" class="icon-plus-sign"></i>
</a>
</li>
</li>
<!-- TAGS GROUP BYS -->
<li class="tight-form-item">
Group by
</li>
<li class="tight-form-item" ng-show="target.groupByTags">
tags:
</li>
<li ng-repeat="key in target.groupByTags track by $index" class="tight-form-item">
{{key}}
<a ng-click="removeGroupByTag($index)">
<i class="icon-remove"></i>
</a>
</li>
<li class="tight-form-item" ng-show="target.groupByTags && target.nonTagGroupBys">
and by:
</li>
<li ng-repeat="groupByObject in target.nonTagGroupBys track by $index" class="tight-form-item">
{{_.values(groupByObject)}}
<a ng-click="removeNonTagGroupBy($index)">
<i class="icon-remove"></i>
</a>
</li>
<li class="tight-form-item" ng-hide="addGroupByMode">
<a ng-click="addGroupBy()">
<i class="fa fa-fw fa-plus"></i>
</a>
</li>
<li ng-show="addGroupByMode">
<select class="input-small tight-form-input"
ng-change="changeGroupByInput()"
ng-model="target.currentGroupByType"
ng-options="f for f in ['tag','value','time']"></select>
</li>
<li ng-show="isTagGroupBy">
<input type="text"
class="input-small tight-form-input"
spellcheck='false'
bs-typeahead="suggestTagKeys"
ng-change = "validateGroupBy()"
data-min-length=0 data-items=100
ng-model="target.groupBy.tagKey"
placeholder="key">
<a bs-tooltip="target.errors.groupBy.tagKey"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.groupBy.tagKey">
<i class="icon-warning-sign"></i>
</a>
</li>
<li ng-show="isValueGroupBy">
<input type="text"
class="input-mini tight-form-input"
spellcheck='false'
ng-model="target.groupBy.valueRange"
placeholder="range"
bs-tooltip="'Range on which values are considered in the same group'"
ng-change = "validateGroupBy()" >
<a bs-tooltip="target.errors.groupBy.valueRange"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.groupBy.valueRange">
<i class="icon-warning-sign"></i>
</a>
</li>
<li ng-show="isTimeGroupBy">
<input type="text"
class="input-mini tight-form-input"
ng-model="target.groupBy.timeInterval"
ng-init="target.groupBy.timeInterval='1s'"
placeholder="interval"
bs-tooltip="'Duration of time groups'"
spellcheck='false'
ng-change="validateGroupBy()">
<a bs-tooltip="target.errors.groupBy.timeInterval"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.groupBy.timeInterval">
<i class="icon-warning-sign"></i>
</a>
</li>
<li ng-show="isTimeGroupBy">
<input type="text"
class="input-mini tight-form-input"
ng-model="target.groupBy.groupCount"
placeholder="Count"
bs-tooltip="'Number of time groups to be formed'"
spellcheck='false'
ng-change="validateGroupBy()">
<a bs-tooltip="target.errors.groupBy.groupCount"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.groupBy.groupCount">
<i class="icon-warning-sign"></i>
</a>
</li>
<li class="tight-form-item" ng-show="addGroupByMode">
<a ng-click="addGroupBy()">
<i ng-hide="isGroupByValid" class="icon-remove"></i>
<i ng-show="isGroupByValid" class="icon-plus-sign"></i>
</a>
</li>
<!-- HORIZONTAL AGGREGATION -->
<li class="tight-form-item">
Aggregation:
</li>
<li ng-repeat="aggregatorObject in target.horizontalAggregators track by $index" class="tight-form-item">
{{aggregatorObject.name}}&#40;
<span ng-repeat="aggKey in _.keys(_.omit(aggregatorObject,'name'))" bs-tooltip="aggKey">
{{$last?aggregatorObject[aggKey]:aggregatorObject[aggKey]+","}}
</span>
&#41;
<a ng-click="removeHorizontalAggregator($index)">
<i class="fa fa-remove"></i>
</a>
</li>
<li class="tight-form-item" ng-hide="addHorizontalAggregatorMode">
<a ng-click="addHorizontalAggregator()">
<i class="fa fa-plus"></i>
</a>
</li>
<li ng-show="addHorizontalAggregatorMode">
<select class="input-medium tight-form-input"
ng-change="changeHorAggregationInput()"
ng-model="target.currentHorizontalAggregatorName"
ng-options="f for f in ['avg','dev','max','min','rate','sampler','count','sum','least_squares','percentile','scale','div']"></select>
</li>
<!-- Different parameters -->
<li ng-show="hasSamplingRate" class="tight-form-item">
every
</li>
<li ng-show="hasSamplingRate">
<input type="text"
class="input-mini tight-form-input"
ng-model="target.horAggregator.samplingRate"
ng-init="target.horAggregator.samplingRate='1s'"
spellcheck='false'
ng-change="validateHorizontalAggregator()" >
<a bs-tooltip="target.errors.horAggregator.samplingRate"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.horAggregator.samplingRate">
<i class="icon-warning-sign"></i>
</a>
</li>
<li ng-show="hasUnit" class="tight-form-item">
every
</li>
<li ng-show="hasUnit">
<select class="input-medium tight-form-input"
ng-model="target.horAggregator.unit"
ng-init="target.horAggregator.unit='millisecond'"
ng-options="f for f in ['millisecond','second','minute','hour','day','week','month','year']"></select>
</li>
<li ng-show="hasFactor" class="tight-form-item">
by
</li>
<li ng-show="hasFactor">
<input type="text"
class="input-mini tight-form-input"
ng-model="target.horAggregator.factor"
ng-init="target.horAggregator.factor='1'"
spellcheck='false'
ng-change="validateHorizontalAggregator()" >
<a bs-tooltip="target.errors.horAggregator.factor"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.horAggregator.factor">
<i class="fa fa-warning"></i>
</a>
</li>
<li ng-show="hasPercentile" class="tight-form-item">
percentile
</li>
<li ng-show="hasPercentile">
<input type="text"
class="input-mini tight-form-input"
ng-model="target.horAggregator.percentile"
ng-init="target.horAggregator.percentile='0.75'"
spellcheck='false'
ng-change="validateHorizontalAggregator()" >
<a bs-tooltip="target.errors.horAggregator.percentile"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.horAggregator.percentile">
<i class="fa fa-warning"></i>
</a>
</li>
<li class="tight-form-item" ng-show="addHorizontalAggregatorMode">
<a ng-click="addHorizontalAggregator()">
<i ng-hide="isAggregatorValid" class="fa fa-remove"></i>
<i ng-show="isAggregatorValid" class="fa fa-plus"></i>
</a>
</li>
</ul>
<div class="clearfix"></div>
</div>
</div>
</div>
<section class="grafana-metric-options" ng-controller="KairosDBTargetCtrl">
<div class="tight-form">
<ul class="tight-form-list">
<li class="tight-form-item tight-form-item-icon">
<i class="fa fa-wrench"></i>
</li>
<li class="tight-form-item">
Downsampling with
</li>
<li>
<select class="input-medium tight-form-input" ng-change="panelBlur()" ng-model="panel.downsampling" ng-options="f for f in ['(NONE)','avg', 'sum', 'min', 'max', 'dev']" ></select>
</li>
<!-- SAMPLING RATE -->
<li ng-hide="panel.downsampling=='(NONE)'" class="tight-form-item">
every
</li>
<li>
<input type="text"
ng-hide="panel.downsampling=='(NONE)'"
class="input-mini tight-form-input"
ng-model="panel.sampling"
placeholder="{{interval}}"
bs-tooltip="'Leave blank for auto handling based on time range and panel width'"
spellcheck='false'
ng-blur="panelBlur()" >
<a bs-tooltip="target.errors.sampling"
style="color: rgb(229, 189, 28)"
ng-show="target.errors.sampling">
<i class="icon-warning-sign"></i>
</a>
</li>
</ul>
<div class="clearfix"></div>
</div>
</section>

17
src/app/plugins/datasource/kairosdb/plugin.json
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{
"pluginType": "datasource",
"name": "KairosDB",
"type": "kairosdb",
"serviceName": "KairosDBDatasource",
"module": "plugins/datasource/kairosdb/datasource",
"partials": {
"config": "app/plugins/datasource/kairosdb/partials/config.html",
"query": "app/plugins/datasource/kairosdb/partials/query.editor.html"
},
"metrics": true,
"annotations": false
}

379
src/app/plugins/datasource/kairosdb/queryCtrl.js
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define([
'angular',
'lodash'
],
function (angular, _) {
'use strict';
var module = angular.module('grafana.controllers');
var metricList = null;
var targetLetters = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O'];
module.controller('KairosDBTargetCtrl', function($scope) {
$scope.init = function() {
$scope.metric = {
list: ["Loading..."],
value: "Loading..."
};
$scope.panel.stack = false;
if (!$scope.panel.downsampling) {
$scope.panel.downsampling = 'avg';
}
if (!$scope.target.downsampling) {
$scope.target.downsampling = $scope.panel.downsampling;
$scope.target.sampling = $scope.panel.sampling;
}
$scope.targetLetters = targetLetters;
$scope.updateMetricList();
$scope.target.errors = validateTarget($scope.target);
};
$scope.targetBlur = function() {
$scope.target.metric = $scope.metric.value;
$scope.target.errors = validateTarget($scope.target);
if (!_.isEqual($scope.oldTarget, $scope.target) && _.isEmpty($scope.target.errors)) {
$scope.oldTarget = angular.copy($scope.target);
$scope.get_data();
}
};
$scope.panelBlur = function() {
_.each($scope.panel.targets, function(target) {
target.downsampling = $scope.panel.downsampling;
target.sampling = $scope.panel.sampling;
});
$scope.get_data();
};
$scope.duplicate = function() {
var clone = angular.copy($scope.target);
$scope.panel.targets.push(clone);
};
$scope.moveMetricQuery = function(fromIndex, toIndex) {
_.move($scope.panel.targets, fromIndex, toIndex);
};
//////////////////////////////
// SUGGESTION QUERIES
//////////////////////////////
$scope.updateMetricList = function() {
$scope.metricListLoading = true;
metricList = [];
$scope.datasource.performMetricSuggestQuery().then(function(series) {
metricList = series;
$scope.metric.list = series;
if ($scope.target.metric)
$scope.metric.value = $scope.target.metric;
else
$scope.metric.value = "";
$scope.metricListLoading = false;
return metricList;
});
};
$scope.suggestTagKeys = function(query, callback) {
$scope.updateTimeRange();
callback($scope.datasource
.performTagSuggestQuery($scope.target.metric,$scope.rangeUnparsed, 'key',''));
};
$scope.suggestTagValues = function(query, callback) {
callback($scope.datasource
.performTagSuggestQuery($scope.target.metric,$scope.rangeUnparsed, 'value',$scope.target.currentTagKey));
};
//////////////////////////////
// FILTER by TAG
//////////////////////////////
$scope.addFilterTag = function() {
if (!$scope.addFilterTagMode) {
$scope.addFilterTagMode = true;
$scope.validateFilterTag();
return;
}
if (!$scope.target.tags) {
$scope.target.tags = {};
}
$scope.validateFilterTag();
if (!$scope.target.errors.tags) {
if(!_.has($scope.target.tags,$scope.target.currentTagKey)) {
$scope.target.tags[$scope.target.currentTagKey] = [];
}
$scope.target.tags[$scope.target.currentTagKey].push($scope.target.currentTagValue);
$scope.target.currentTagKey = '';
$scope.target.currentTagValue = '';
$scope.targetBlur();
}
$scope.addFilterTagMode = false;
};
$scope.removeFilterTag = function(key) {
delete $scope.target.tags[key];
if(_.size($scope.target.tags)===0) {
$scope.target.tags = null;
}
$scope.targetBlur();
};
$scope.validateFilterTag = function() {
$scope.target.errors.tags = null;
if(!$scope.target.currentTagKey || !$scope.target.currentTagValue) {
$scope.target.errors.tags = "You must specify a tag name and value.";
}
};
//////////////////////////////
// GROUP BY
//////////////////////////////
$scope.addGroupBy = function() {
if (!$scope.addGroupByMode) {
$scope.addGroupByMode = true;
$scope.target.currentGroupByType = 'tag';
$scope.isTagGroupBy = true;
$scope.validateGroupBy();
return;
}
$scope.validateGroupBy();
// nb: if error is found, means that user clicked on cross : cancels input
if (_.isEmpty($scope.target.errors.groupBy)) {
if($scope.isTagGroupBy) {
if (!$scope.target.groupByTags) {
$scope.target.groupByTags = [];
}
console.log($scope.target.groupBy.tagKey);
if (!_.contains($scope.target.groupByTags, $scope.target.groupBy.tagKey)) {
$scope.target.groupByTags.push($scope.target.groupBy.tagKey);
$scope.targetBlur();
}
$scope.target.groupBy.tagKey = '';
}
else {
if (!$scope.target.nonTagGroupBys) {
$scope.target.nonTagGroupBys = [];
}
var groupBy = {
name: $scope.target.currentGroupByType
};
if($scope.isValueGroupBy) {groupBy.range_size = $scope.target.groupBy.valueRange;}
else if($scope.isTimeGroupBy) {
groupBy.range_size = $scope.target.groupBy.timeInterval;
groupBy.group_count = $scope.target.groupBy.groupCount;
}
$scope.target.nonTagGroupBys.push(groupBy);
}
$scope.targetBlur();
}
$scope.isTagGroupBy = false;
$scope.isValueGroupBy = false;
$scope.isTimeGroupBy = false;
$scope.addGroupByMode = false;
};
$scope.removeGroupByTag = function(index) {
$scope.target.groupByTags.splice(index, 1);
if(_.size($scope.target.groupByTags)===0) {
$scope.target.groupByTags = null;
}
$scope.targetBlur();
};
$scope.removeNonTagGroupBy = function(index) {
$scope.target.nonTagGroupBys.splice(index, 1);
if(_.size($scope.target.nonTagGroupBys)===0) {
$scope.target.nonTagGroupBys = null;
}
$scope.targetBlur();
};
$scope.changeGroupByInput = function() {
$scope.isTagGroupBy = $scope.target.currentGroupByType==='tag';
$scope.isValueGroupBy = $scope.target.currentGroupByType==='value';
$scope.isTimeGroupBy = $scope.target.currentGroupByType==='time';
$scope.validateGroupBy();
};
$scope.validateGroupBy = function() {
delete $scope.target.errors.groupBy;
var errors = {};
$scope.isGroupByValid = true;
if($scope.isTagGroupBy) {
if(!$scope.target.groupBy.tagKey) {
$scope.isGroupByValid = false;
errors.tagKey = 'You must supply a tag name';
}
}
if($scope.isValueGroupBy) {
if(!$scope.target.groupBy.valueRange || !isInt($scope.target.groupBy.valueRange)) {
errors.valueRange = "Range must be an integer";
$scope.isGroupByValid = false;
}
}
if($scope.isTimeGroupBy) {
try {
$scope.datasource.convertToKairosInterval($scope.target.groupBy.timeInterval);
} catch(err) {
errors.timeInterval = err.message;
$scope.isGroupByValid = false;
}
if(!$scope.target.groupBy.groupCount || !isInt($scope.target.groupBy.groupCount)) {
errors.groupCount = "Group count must be an integer";
$scope.isGroupByValid = false;
}
}
if(!_.isEmpty(errors)) {
$scope.target.errors.groupBy = errors;
}
};
function isInt(n) {
return parseInt(n) % 1 === 0;
}
//////////////////////////////
// HORIZONTAL AGGREGATION
//////////////////////////////
$scope.addHorizontalAggregator = function() {
if (!$scope.addHorizontalAggregatorMode) {
$scope.addHorizontalAggregatorMode = true;
$scope.target.currentHorizontalAggregatorName = 'avg';
$scope.hasSamplingRate = true;
$scope.validateHorizontalAggregator();
return;
}
$scope.validateHorizontalAggregator();
// nb: if error is found, means that user clicked on cross : cancels input
if(_.isEmpty($scope.target.errors.horAggregator)) {
if (!$scope.target.horizontalAggregators) {
$scope.target.horizontalAggregators = [];
}
var aggregator = {
name:$scope.target.currentHorizontalAggregatorName
};
if($scope.hasSamplingRate) {aggregator.sampling_rate = $scope.target.horAggregator.samplingRate;}
if($scope.hasUnit) {aggregator.unit = $scope.target.horAggregator.unit;}
if($scope.hasFactor) {aggregator.factor = $scope.target.horAggregator.factor;}
if($scope.hasPercentile) {aggregator.percentile = $scope.target.horAggregator.percentile;}
$scope.target.horizontalAggregators.push(aggregator);
$scope.targetBlur();
}
$scope.addHorizontalAggregatorMode = false;
$scope.hasSamplingRate = false;
$scope.hasUnit = false;
$scope.hasFactor = false;
$scope.hasPercentile = false;
};
$scope.removeHorizontalAggregator = function(index) {
$scope.target.horizontalAggregators.splice(index, 1);
if(_.size($scope.target.horizontalAggregators)===0) {
$scope.target.horizontalAggregators = null;
}
$scope.targetBlur();
};
$scope.changeHorAggregationInput = function() {
$scope.hasSamplingRate = _.contains(['avg','dev','max','min','sum','least_squares','count','percentile'],
$scope.target.currentHorizontalAggregatorName);
$scope.hasUnit = _.contains(['sampler','rate'], $scope.target.currentHorizontalAggregatorName);
$scope.hasFactor = _.contains(['div','scale'], $scope.target.currentHorizontalAggregatorName);
$scope.hasPercentile = 'percentile'===$scope.target.currentHorizontalAggregatorName;
$scope.validateHorizontalAggregator();
};
$scope.validateHorizontalAggregator = function() {
delete $scope.target.errors.horAggregator;
var errors = {};
$scope.isAggregatorValid = true;
if($scope.hasSamplingRate) {
try {
$scope.datasource.convertToKairosInterval($scope.target.horAggregator.samplingRate);
} catch(err) {
errors.samplingRate = err.message;
$scope.isAggregatorValid = false;
}
}
if($scope.hasFactor) {
if(!$scope.target.horAggregator.factor) {
errors.factor = 'You must supply a numeric value for this aggregator';
$scope.isAggregatorValid = false;
}
else if(parseInt($scope.target.horAggregator.factor)===0 && $scope.target.currentHorizontalAggregatorName==='div') {
errors.factor = 'Cannot divide by 0';
$scope.isAggregatorValid = false;
}
}
if($scope.hasPercentile) {
if(!$scope.target.horAggregator.percentile ||
$scope.target.horAggregator.percentile<=0 ||
$scope.target.horAggregator.percentile>1) {
errors.percentile = 'Percentile must be between 0 and 1';
$scope.isAggregatorValid = false;
}
}
if(!_.isEmpty(errors)) {
$scope.target.errors.horAggregator = errors;
}
};
$scope.alert = function(message) {
alert(message);
};
//////////////////////////////
// VALIDATION
//////////////////////////////
function MetricListToObject(MetricList) {
var result = {};
var Metric;
var MetricArray = [];
var MetricCnt = 0;
for (var i =0;i < MetricList.length; i++) {
Metric = MetricList[i];
MetricArray = Metric.split('.');
if(!result.hasOwnProperty(MetricArray[0])) {
result[MetricArray[0]] = {};
}
if(!result[MetricArray[0]].hasOwnProperty(MetricArray[1])) {
result[MetricArray[0]][MetricArray[1]] = [];
}
result[MetricArray[0]][MetricArray[1]].push(MetricArray[2]);
}
return result;
}
function validateTarget(target) {
var errs = {};
if (!target.metric) {
errs.metric = "You must supply a metric name.";
}
try {
if (target.sampling) {
$scope.datasource.convertToKairosInterval(target.sampling);
}
} catch(err) {
errs.sampling = err.message;
}
return errs;
}
});
});
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