grafana/public/app/components/kbn.js
2015-03-29 12:57:28 +02:00

588 lines
18 KiB
JavaScript

define([
'jquery',
'lodash',
'moment'
],
function($, _, moment) {
'use strict';
var kbn = {};
kbn.valueFormats = {};
kbn.round_interval = function(interval) {
switch (true) {
// 0.5s
case (interval <= 500):
return 100; // 0.1s
// 5s
case (interval <= 5000):
return 1000; // 1s
// 7.5s
case (interval <= 7500):
return 5000; // 5s
// 15s
case (interval <= 15000):
return 10000; // 10s
// 45s
case (interval <= 45000):
return 30000; // 30s
// 3m
case (interval <= 180000):
return 60000; // 1m
// 9m
case (interval <= 450000):
return 300000; // 5m
// 20m
case (interval <= 1200000):
return 600000; // 10m
// 45m
case (interval <= 2700000):
return 1800000; // 30m
// 2h
case (interval <= 7200000):
return 3600000; // 1h
// 6h
case (interval <= 21600000):
return 10800000; // 3h
// 24h
case (interval <= 86400000):
return 43200000; // 12h
// 48h
case (interval <= 172800000):
return 86400000; // 24h
// 1w
case (interval <= 604800000):
return 86400000; // 24h
// 3w
case (interval <= 1814400000):
return 604800000; // 1w
// 2y
case (interval < 3628800000):
return 2592000000; // 30d
default:
return 31536000000; // 1y
}
};
kbn.secondsToHms = function(seconds) {
var numyears = Math.floor(seconds / 31536000);
if(numyears){
return numyears + 'y';
}
var numdays = Math.floor((seconds % 31536000) / 86400);
if(numdays){
return numdays + 'd';
}
var numhours = Math.floor(((seconds % 31536000) % 86400) / 3600);
if(numhours){
return numhours + 'h';
}
var numminutes = Math.floor((((seconds % 31536000) % 86400) % 3600) / 60);
if(numminutes){
return numminutes + 'm';
}
var numseconds = (((seconds % 31536000) % 86400) % 3600) % 60;
if(numseconds){
return numseconds + 's';
}
return 'less then a second'; //'just now' //or other string you like;
};
kbn.to_percent = function(number,outof) {
return Math.floor((number/outof)*10000)/100 + "%";
};
kbn.addslashes = function(str) {
str = str.replace(/\\/g, '\\\\');
str = str.replace(/\'/g, '\\\'');
str = str.replace(/\"/g, '\\"');
str = str.replace(/\0/g, '\\0');
return str;
};
kbn.interval_regex = /(\d+(?:\.\d+)?)([Mwdhmsy])/;
// histogram & trends
kbn.intervals_in_seconds = {
y: 31536000,
M: 2592000,
w: 604800,
d: 86400,
h: 3600,
m: 60,
s: 1
};
kbn.calculateInterval = function(range, resolution, userInterval) {
var lowLimitMs = 1; // 1 millisecond default low limit
var intervalMs, lowLimitInterval;
if (userInterval) {
if (userInterval[0] === '>') {
lowLimitInterval = userInterval.slice(1);
lowLimitMs = kbn.interval_to_ms(lowLimitInterval);
}
else {
return userInterval;
}
}
intervalMs = kbn.round_interval((range.to.valueOf() - range.from.valueOf()) / resolution);
if (lowLimitMs > intervalMs) {
intervalMs = lowLimitMs;
}
return kbn.secondsToHms(intervalMs / 1000);
};
kbn.describe_interval = function (string) {
var matches = string.match(kbn.interval_regex);
if (!matches || !_.has(kbn.intervals_in_seconds, matches[2])) {
throw new Error('Invalid interval string, expexcting a number followed by one of "Mwdhmsy"');
} else {
return {
sec: kbn.intervals_in_seconds[matches[2]],
type: matches[2],
count: parseInt(matches[1], 10)
};
}
};
kbn.interval_to_ms = function(string) {
var info = kbn.describe_interval(string);
return info.sec * 1000 * info.count;
};
kbn.interval_to_seconds = function (string) {
var info = kbn.describe_interval(string);
return info.sec * info.count;
};
/* This is a simplified version of elasticsearch's date parser */
kbn.parseDate = function(text) {
if(_.isDate(text)) {
return text;
}
var time;
var mathString = "";
var index;
var parseString;
if (text.substring(0,3) === "now") {
time = new Date();
mathString = text.substring(3);
}
else if (text.substring(0,5) === 'today') {
time = new Date();
time.setHours(0,0,0,0);
mathString = text.substring(5);
}
else {
index = text.indexOf("||");
parseString;
if (index === -1) {
parseString = text;
mathString = ""; // nothing else
} else {
parseString = text.substring(0, index);
mathString = text.substring(index + 2);
}
// We're going to just require ISO8601 timestamps, k?
time = new Date(parseString);
}
if (!mathString.length) {
return time;
}
//return [time,parseString,mathString];
return kbn.parseDateMath(mathString, time);
};
kbn._timespanRegex = /^\d+[h,m,M,w,s,H,d]$/;
kbn.isValidTimeSpan = function(str) {
return kbn._timespanRegex.test(str);
};
kbn.parseDateMath = function(mathString, time, roundUp) {
var dateTime = moment(time);
for (var i = 0; i < mathString.length;) {
var c = mathString.charAt(i++),
type,
num,
unit;
if (c === '/') {
type = 0;
} else if (c === '+') {
type = 1;
} else if (c === '-') {
type = 2;
} else {
return false;
}
if (isNaN(mathString.charAt(i))) {
num = 1;
} else {
var numFrom = i;
while (!isNaN(mathString.charAt(i))) {
i++;
}
num = parseInt(mathString.substring(numFrom, i),10);
}
if (type === 0) {
// rounding is only allowed on whole numbers
if (num !== 1) {
return false;
}
}
unit = mathString.charAt(i++);
switch (unit) {
case 'y':
if (type === 0) {
roundUp ? dateTime.endOf('year') : dateTime.startOf('year');
} else if (type === 1) {
dateTime.add(num, 'years');
} else if (type === 2) {
dateTime.subtract(num, 'years');
}
break;
case 'M':
if (type === 0) {
roundUp ? dateTime.endOf('month') : dateTime.startOf('month');
} else if (type === 1) {
dateTime.add(num, 'months');
} else if (type === 2) {
dateTime.subtract(num, 'months');
}
break;
case 'w':
if (type === 0) {
roundUp ? dateTime.endOf('week') : dateTime.startOf('week');
} else if (type === 1) {
dateTime.add(num, 'weeks');
} else if (type === 2) {
dateTime.subtract(num, 'weeks');
}
break;
case 'd':
if (type === 0) {
roundUp ? dateTime.endOf('day') : dateTime.startOf('day');
} else if (type === 1) {
dateTime.add(num, 'days');
} else if (type === 2) {
dateTime.subtract(num, 'days');
}
break;
case 'h':
case 'H':
if (type === 0) {
roundUp ? dateTime.endOf('hour') : dateTime.startOf('hour');
} else if (type === 1) {
dateTime.add(num, 'hours');
} else if (type === 2) {
dateTime.subtract(num,'hours');
}
break;
case 'm':
if (type === 0) {
roundUp ? dateTime.endOf('minute') : dateTime.startOf('minute');
} else if (type === 1) {
dateTime.add(num, 'minutes');
} else if (type === 2) {
dateTime.subtract(num, 'minutes');
}
break;
case 's':
if (type === 0) {
roundUp ? dateTime.endOf('second') : dateTime.startOf('second');
} else if (type === 1) {
dateTime.add(num, 'seconds');
} else if (type === 2) {
dateTime.subtract(num, 'seconds');
}
break;
default:
return false;
}
}
return dateTime.toDate();
};
kbn.query_color_dot = function (color, diameter) {
return '<div class="icon-circle" style="' + [
'display:inline-block',
'color:' + color,
'font-size:' + diameter + 'px',
].join(';') + '"></div>';
};
kbn.valueFormats.percent = function(size, decimals) {
return kbn.toFixed(size, decimals) + '%';
};
kbn.formatFuncCreator = function(factor, extArray) {
return function(size, decimals, scaledDecimals) {
if (size === null) {
return "";
}
var steps = 0;
var limit = extArray.length;
while (Math.abs(size) >= factor) {
steps++;
size /= factor;
if (steps >= limit) { return "NA"; }
}
if (steps > 0 && scaledDecimals !== null) {
decimals = scaledDecimals + (3 * steps);
}
return kbn.toFixed(size, decimals) + extArray[steps];
};
};
kbn.toFixed = function(value, decimals) {
if (value === null) {
return "";
}
var factor = decimals ? Math.pow(10, Math.max(0, decimals)) : 1;
var formatted = String(Math.round(value * factor) / factor);
// if exponent return directly
if (formatted.indexOf('e') !== -1 || value === 0) {
return formatted;
}
// If tickDecimals was specified, ensure that we have exactly that
// much precision; otherwise default to the value's own precision.
if (decimals != null) {
var decimalPos = formatted.indexOf(".");
var precision = decimalPos === -1 ? 0 : formatted.length - decimalPos - 1;
if (precision < decimals) {
return (precision ? formatted : formatted + ".") + (String(factor)).substr(1, decimals - precision);
}
}
return formatted;
};
kbn.valueFormats.bits = kbn.formatFuncCreator(1024, [' b', ' Kib', ' Mib', ' Gib', ' Tib', ' Pib', ' Eib', ' Zib', ' Yib']);
kbn.valueFormats.bytes = kbn.formatFuncCreator(1024, [' B', ' KiB', ' MiB', ' GiB', ' TiB', ' PiB', ' EiB', ' ZiB', ' YiB']);
kbn.valueFormats.kbytes = kbn.formatFuncCreator(1024, [' KiB', ' MiB', ' GiB', ' TiB', ' PiB', ' EiB', ' ZiB', ' YiB']);
kbn.valueFormats.mbytes = kbn.formatFuncCreator(1024, [' MiB', ' GiB', ' TiB', ' PiB', ' EiB', ' ZiB', ' YiB']);
kbn.valueFormats.bps = kbn.formatFuncCreator(1000, [' bps', ' Kbps', ' Mbps', ' Gbps', ' Tbps', ' Pbps', ' Ebps', ' Zbps', ' Ybps']);
kbn.valueFormats.Bps = kbn.formatFuncCreator(1000, [' Bps', ' KBps', ' MBps', ' GBps', ' TBps', ' PBps', ' EBps', ' ZBps', ' YBps']);
kbn.valueFormats.short = kbn.formatFuncCreator(1000, ['', ' K', ' Mil', ' Bil', ' Tri', ' Qaudr', ' Quint', ' Sext', ' Sept']);
kbn.valueFormats.joule = kbn.formatFuncCreator(1000, [' J', ' kJ', ' MJ', ' GJ', ' TJ', ' PJ', ' EJ', ' ZJ', ' YJ']);
kbn.valueFormats.watt = kbn.formatFuncCreator(1000, [' W', ' kW', ' MW', ' GW', ' TW', ' PW', ' EW', ' ZW', ' YW']);
kbn.valueFormats.kwatt = kbn.formatFuncCreator(1000, [' kW', ' MW', ' GW', ' TW', ' PW', ' EW', ' ZW', ' YW']);
kbn.valueFormats.watth = kbn.formatFuncCreator(1000, [' Wh', ' kWh', ' MWh', ' GWh', ' TWh', ' PWh', ' EWh', ' ZWh', ' YWh']);
kbn.valueFormats.kwatth = kbn.formatFuncCreator(1000, [' kWh', ' MWh', ' GWh', ' TWh', ' PWh', ' EWh', ' ZWh', ' YWh']);
kbn.valueFormats.ev = kbn.formatFuncCreator(1000, [' eV', ' keV', ' MeV', 'GeV', 'TeV', 'PeV', 'EeV', 'ZeV', 'YeV']);
kbn.valueFormats.none = kbn.toFixed;
kbn.valueFormats.celsius = function(value, decimals) { return kbn.toFixed(value, decimals) + ' °C'; };
kbn.valueFormats.farenheit = function(value, decimals) { return kbn.toFixed(value, decimals) + ' °F'; };
kbn.valueFormats.humidity = function(value, decimals) { return kbn.toFixed(value, decimals) + ' %H'; };
kbn.valueFormats.ppm = function(value, decimals) { return kbn.toFixed(value, decimals) + ' ppm'; };
kbn.valueFormats.velocityms = function(value, decimals) { return kbn.toFixed(value, decimals) + ' m/s'; };
kbn.valueFormats.velocitykmh = function(value, decimals) { return kbn.toFixed(value, decimals) + ' km/h'; };
kbn.valueFormats.velocitymph = function(value, decimals) { return kbn.toFixed(value, decimals) + ' mph'; };
kbn.valueFormats.velocityknot = function(value, decimals) { return kbn.toFixed(value, decimals) + ' kn'; };
kbn.toFixedScaled = function(value, decimals, scaledDecimals, additionalDecimals, ext) {
if (scaledDecimals === null) {
return kbn.toFixed(value, decimals) + ext;
} else {
return kbn.toFixed(value, scaledDecimals + additionalDecimals) + ext;
}
};
kbn.valueFormats.ms = function(size, decimals, scaledDecimals) {
if (size === null) { return ""; }
if (Math.abs(size) < 1000) {
return kbn.toFixed(size, decimals) + " ms";
}
// Less than 1 min
else if (Math.abs(size) < 60000) {
return kbn.toFixedScaled(size / 1000, decimals, scaledDecimals, 3, " s");
}
// Less than 1 hour, devide in minutes
else if (Math.abs(size) < 3600000) {
return kbn.toFixedScaled(size / 60000, decimals, scaledDecimals, 5, " min");
}
// Less than one day, devide in hours
else if (Math.abs(size) < 86400000) {
return kbn.toFixedScaled(size / 3600000, decimals, scaledDecimals, 7, " hour");
}
// Less than one year, devide in days
else if (Math.abs(size) < 31536000000) {
return kbn.toFixedScaled(size / 86400000, decimals, scaledDecimals, 8, " day");
}
return kbn.toFixedScaled(size / 31536000000, decimals, scaledDecimals, 10, " year");
};
kbn.valueFormats.s = function(size, decimals, scaledDecimals) {
if (size === null) { return ""; }
if (Math.abs(size) < 600) {
return kbn.toFixed(size, decimals) + " s";
}
// Less than 1 hour, devide in minutes
else if (Math.abs(size) < 3600) {
return kbn.toFixedScaled(size / 60, decimals, scaledDecimals, 1, " min");
}
// Less than one day, devide in hours
else if (Math.abs(size) < 86400) {
return kbn.toFixedScaled(size / 3600, decimals, scaledDecimals, 4, " hour");
}
// Less than one week, devide in days
else if (Math.abs(size) < 604800) {
return kbn.toFixedScaled(size / 86400, decimals, scaledDecimals, 5, " day");
}
// Less than one year, devide in week
else if (Math.abs(size) < 31536000) {
return kbn.toFixedScaled(size / 604800, decimals, scaledDecimals, 6, " week");
}
return kbn.toFixedScaled(size / 3.15569e7, decimals, scaledDecimals, 7, " year");
};
kbn.valueFormats['µs'] = function(size, decimals, scaledDecimals) {
if (size === null) { return ""; }
if (Math.abs(size) < 1000) {
return kbn.toFixed(size, decimals) + " µs";
}
else if (Math.abs(size) < 1000000) {
return kbn.toFixedScaled(size / 1000, decimals, scaledDecimals, 3, " ms");
}
else {
return kbn.toFixedScaled(size / 1000000, decimals, scaledDecimals, 6, " s");
}
};
kbn.valueFormats.ns = function(size, decimals, scaledDecimals) {
if (size === null) { return ""; }
if (Math.abs(size) < 1000) {
return kbn.toFixed(size, decimals) + " ns";
}
else if (Math.abs(size) < 1000000) {
return kbn.toFixedScaled(size / 1000, decimals, scaledDecimals, 3, " µs");
}
else if (Math.abs(size) < 1000000000) {
return kbn.toFixedScaled(size / 1000000, decimals, scaledDecimals, 6, " ms");
}
else if (Math.abs(size) < 60000000000){
return kbn.toFixedScaled(size / 1000000000, decimals, scaledDecimals, 9, " s");
}
else {
return kbn.toFixedScaled(size / 60000000000, decimals, scaledDecimals, 12, " min");
}
};
kbn.slugifyForUrl = function(str) {
return str
.toLowerCase()
.replace(/[^\w ]+/g,'')
.replace(/ +/g,'-');
};
kbn.exportSeriesListToCsv = function(seriesList) {
var text = 'Series;Time;Value\n';
_.each(seriesList, function(series) {
_.each(series.datapoints, function(dp) {
text += series.alias + ';' + new Date(dp[1]).toISOString() + ';' + dp[0] + '\n';
});
});
var blob = new Blob([text], { type: "text/csv;charset=utf-8" });
window.saveAs(blob, 'grafana_data_export.csv');
};
kbn.stringToJsRegex = function(str) {
if (str[0] !== '/') {
return new RegExp(str);
}
var match = str.match(new RegExp('^/(.*?)/(g?i?m?y?)$'));
return new RegExp(match[1], match[2]);
};
kbn.getUnitFormats = function() {
return [
{
text: 'none',
submenu: [
{text: 'none' , value: 'none'},
{text: 'short', value: 'short'},
{text: 'percent', value: 'percent'},
{text: 'ppm', value: 'ppm'},
]
},
{
text: 'duration',
submenu: [
{text: 'nanoseconds (ns)' , value: 'ns'},
{text: 'microseconds (µs)', value: 'µs'},
{text: 'milliseconds (ms)', value: 'ms'},
{text: 'seconds (s)', value: 's'},
]
},
{
text: 'data',
submenu: [
{text: 'bits', value: 'bits'},
{text: 'bytes', value: 'bytes'},
{text: 'kilobytes', value: 'kbytes'},
{text: 'megabytes', value: 'mbytes'},
]
},
{
text: 'data rate',
submenu: [
{text: 'bits/sec', value: 'bps'},
{text: 'bytes/sec', value: 'Bps'},
]
},
{
text: 'energy',
submenu: [
{text: 'watt (W)', value: 'watt'},
{text: 'kilowatt (kW)', value: 'kwatt'},
{text: 'watt-hour (Wh)', value: 'watth'},
{text: 'kilowatt-hour (kWh)', value: 'kwatth'},
{text: 'joule (J)', value: 'joule'},
{text: 'electron volt (eV)', value: 'ev'},
]
},
{
text: 'weather',
submenu: [
{text: 'Celcius (°C)', value: 'celsius' },
{text: 'Farenheit (°F)', value: 'farenheit'},
{text: 'Humidity (%H)', value: 'humidity' },
]
},
{
text: 'velocity',
submenu: [
{text: 'm/s', value: 'velocityms' },
{text: 'km/h', value: 'velocitykmh' },
{text: 'mph', value: 'velocitymph' },
{text: 'knot (kn)', value: 'velocityknot' },
]
},
];
};
return kbn;
});