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Node-Billing-by-Resource-Group(template).js
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Node-Billing-by-Resource-Group(template).js
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// Author: Adam Paternostro
// Requirements: node.js installed
// Azure Service principle created https://azure.microsoft.com/en-us/documentation/articles/resource-group-create-service-principal-portal/
// You need to complete these variables:
// Service Principle: client_id, tenant_id, client_secret, subscription_id
// Billing Dates: billing_start_date, billing_end_date
// Azure Pricing Offer: offer
var https = require("https");
var querystring = require("querystring");
var util = require("util");
////////////////////////////
// Makes a REST call
////////////////////////////
function performRequest(host, path, method, header, data, success) {
var options = {
host: host,
port: 443,
path: path,
method: method,
headers: header
};
console.log("performRequest", host);
var req = https.request(options, function(res) {
//res.setEncoding("utf-8");
//console.log("statusCode: ", res.statusCode);
//console.log("headers: ", res.headers);
var responseString = "";
res.on("data", function(data) {
//console.log("res.on data",data);
responseString += data;
});
res.on("end", function() {
//console.log("res.on end");
if (responseString && responseString !== "null" && responseString !== "undefined") {
//console.log("res.on end responseString",responseString);
var responseObject = JSON.parse(responseString);
success(responseObject);
} else {
//console.log("res.on end (empty)");
var a = { success : true};
success(a);
}
});
});
if (JSON.stringify(data) != JSON.stringify({})) {
//console.log("Sending Body 1:", data);
req.write(data);
}
else
{
var emptyJson = JSON.stringify(data);
//console.log("Sending Body 2:", emptyJson);
req.write(emptyJson);
}
//console.log("Request end 1");
req.end();
req.on('error', (e) => {
console.error("performRequest Error: ", e);
});
} // performRequest
////////////////////////////
// Calculate the billing per resource group
////////////////////////////
function caculateResults(usageDataList, rateCardData, success)
{
console.log("Call to caculateResults");
var results = [];
var usageData = null;
var meterId = null;
var instanceData = null;
var resourceGroup = null;
var quantity = null;
var index = 0;
var meterRate = null;
var total = null;
var found = false;
var grandTotal = 0;
// used for parsing strnig
// '{\"Microsoft.Resources\":{\"resourceUri\":\"/subscriptions/64a14e46-6c7d-4063-9665-c295287ab709/resourceGroups/Sample.Azure.Functions/providers/Microsoft.Web/sites/sampleazurefunctions\",\"location\":\"westus\"';
var resourceGroupsIndex= 0;
var resourcegroupsText="/resourcegroups/";
var providersIndex= 0;
var providersText="/providers/"
var start = 0;
var stop = 0;
//console.log("usageData:", usageData);
//console.log("rateCardData:", rateCardData);
// loop through each set of usage data downloaded. We downloaded many files.
var i = 1;
for (var arrayKey in usageDataList)
{
usageData = usageDataList[arrayKey];
for (var key in usageData.value)
{
meterId = usageData.value[key].properties.meterId;
instanceData = usageData.value[key].properties.instanceData;
quantity = usageData.value[key].properties.quantity;
if (instanceData == "undefined" || instanceData == undefined)
{
resourceGroup = "n/a";
}
else
{
// resourceGroup
instanceData = instanceData.toLowerCase();
resourceGroupsIndex = instanceData.indexOf(resourcegroupsText);
providersIndex = instanceData.indexOf(providersText);
//console.log("resourceGroupsIndex:", resourceGroupsIndex);
//console.log("providersIndex:", providersIndex);
start = resourceGroupsIndex + resourcegroupsText.length;
//console.log("start: ", start);
stop = providersIndex - resourceGroupsIndex - resourcegroupsText.length
//console.log("stop : ", stop);
resourceGroup = instanceData.substr(start,stop);
}
// console.log("meterId: ", meterId);
// console.log("resourceGroup: ", resourceGroup);
// console.log("quantity: ", quantity);
meterRate = "0";
for (var rateKey in rateCardData.Meters)
{
if (rateCardData.Meters[rateKey].MeterId == meterId)
{
meterRate = rateCardData.Meters[rateKey].MeterRates["0"];
break;
}
}
// console.log("meterRate: ", meterRate);
total = parseFloat(meterRate) * parseFloat(quantity);
grandTotal = grandTotal + total;
found = false;
for (var resultKey in results)
{
if (results[resultKey].resourceGroup == "undefined" || results[resultKey].resourceGroup == undefined)
{
console.log ("break");
break;
}
if (results[resultKey].resourceGroup == resourceGroup)
{
//console.log ("FOUND");
results[resultKey].total = results[resultKey].total + total;
found = true;
break;
}
}
if(!found)
{
results.push({ resourceGroup: resourceGroup, total: total });
}
i = i + 1;
//if (i > 10) break;
} // for..loop usageData
} // for..loop usageDataList
success(results, grandTotal);
} // caculateResults
function getSingleUsage(usageUrl, authHeader, success)
{
console.log("Downloading usage data");
//console.log("getSingleUsage ", usageUrl);
performRequest(
"management.azure.com",
usageUrl,
"GET",
authHeader,
{},
function(usageData) {
success(usageData, false, null);
}
);
} // getSingleUsage
function getUsage(usageUrl, authHeader, callback) {
var listOfUsage = [];
//console.log("getUsage ", usageUrl);
(function getOneUsage() {
try {
getSingleUsage(usageUrl, authHeader,
function(data, hasError, err) {
// console.log("DATA::::: ", data);
if (hasError) { callback(null, true, err); return }
if (data.nextLink == "undefined" || data.nextLink == undefined) {
// console.log("getUsage nextLink ",data.nextLink);
listOfUsage.push(data);
callback(listOfUsage, false, null);
} else {
// console.log("getUsage nextLink ",data.nextLink);
usageUrl = data.nextLink;
listOfUsage.push(data);
getOneUsage();
}
});
} catch (exception) {
console.log("ERROR::", exception) ;
callback(null, true, exception);
}
})
();
} // getUsage
function postResourceTag(i, url, data, authHeader, success)
{
console.log("postResourceTag:", url, data);
performRequest(
"management.azure.com",
url,
"PUT",
authHeader,
data,
function(resultData) {
success(resultData, false, null);
}
);
} // postResourceTag
function setTagsOnResouceGroupSerial(i, billingByResourceGroup, subscription_id, access_token, callback) {
var listOfUsage = [];
(function processOneTag() {
try {
var tagData = null;
var header = null
var url = null;
var existingTags = [];
//console.log("i: ", i);
resourceBill = billingByResourceGroup[i];
// jump over n/a
if (resourceBill.resourceGroup == "n/a"){
// console.log("billingByResourceGroup.length n/a", i);
i = i + 1;
// listOfUsage.push(data);
processOneTag();
}
else
{
url = "/subscriptions/" + subscription_id +"/resourceGroups/" + resourceBill.resourceGroup + "?api-version=2016-02-01";
headers = {
"x-ms-version": "2016-02-01",
"Authorization": "Bearer " + access_token
};
// GET https://management.azure.com/subscriptions/64a14e46-6c7d-4063-9665-c295287ab709/resourcegroups/Sample.Base?api-version=2016-02-01
performRequest(
"management.azure.com",
url,
"GET",
headers,
{},
function(resouceData) {
// https://management.azure.com/subscriptions/64a14e46-6c7d-4063-9665-c295287ab709/resourceGroups/Sample.Base?api-version=2015-01-01";
url = "/subscriptions/" + subscription_id +"/resourceGroups/" + resourceBill.resourceGroup + "?api-version=2015-01-01";
// console.log("resouceData:: ", resouceData);
var found = false;
for (var tagKey in resouceData.tags)
{
//console.log("tagKey", tagKey);
//console.log("resouceData.tags[tagKey]", resouceData.tags[tagKey]);
if (resouceData.tags[tagKey] != undefined || resouceData.tags[tagKey] == "undefined")
{
if (tagKey == "billingSpend")
{
existingTags.push( { billingSpend : resourceBill.total.toString() } );
found = true;
}
else
{
var jsonVariable = {};
var jsonKey = tagKey;
jsonVariable[tagKey] = resouceData.tags[tagKey].toString();
existingTags.push(jsonVariable);
}
}
}
if (!found)
{
existingTags.push({billingSpend : resourceBill.total.toString()});
}
console.log("resouceData.location:", resouceData.location);
tagData = { location: resouceData.location, tags : existingTags }
// Not sure why it is not expecting an Array, but this is what the call wants:
// tags:{ {"tagKey":"washere"},{"billingSpend":"0.000592128"}}
tagData = JSON.stringify(tagData);
tagData=tagData.replace("[","");
tagData=tagData.replace("]","");
tagData=tagData.replace("},{",",");
//console.log("tagData::", tagData);
headers = {
"x-ms-version": "2015-01-01",
"Authorization": "Bearer " + access_token,
"Content-Type": "application/json",
"Content-Length": tagData.length
};
postResourceTag(i, url, tagData, headers,
function(data, hasError, err) {
if (hasError) {
console.log("ERROR::", err) ;
callback(null, true, err);
return
}
if (billingByResourceGroup.length - 1 == i) {
listOfUsage.push(data);
callback(listOfUsage, false, null);
} else {
i = i + 1;
listOfUsage.push(data);
processOneTag();
}
}); // postResourceTag
}); // performRequest
} // if == n/a
} catch (exception) {
console.log("ERROR::", exception) ;
callback(null, true, exception);
}
})
();
}
function setTagsOnResouceGroups(billingByResourceGroup, subscription_id, access_token, success)
{
console.log("SetTagsOnResouceGroups");
var data = null;
var header = null
var url = null;
var result = "";
var totalString = "";
for (var key in billingByResourceGroup)
{
resourceBill = billingByResourceGroup[key];
// jump over n/a
if (resourceBill.resourceGroup == "n/a") continue;
url = "/subscriptions/" + subscription_id +"/resourceGroups/" + resourceBill.resourceGroup + "?api-version=2014-04-01-preview";
console.log("URL::", url);
data = { tags : { billingSpend : resourceBill.total.toString() } };
data = JSON.stringify(data);
console.log("DATA::", data);
headers = {
"x-ms-version": "2014-04-01-preview",
"Authorization": "Bearer " + access_token,
"Content-Type": "application/x-www-form-urlencoded",
"Content-Length": data.length
};
performRequest(
"management.azure.com",
usageUrl,
"POST",
headers,
data,
function(httpResult) {
result += "SET " + resourceBill.resourceGroup + " " + httpResult.success;
}
);
} // for loop
success(result);
} // getSingleUsage
////////////////////////////
// MAIN BODY - Set Variables
////////////////////////////
console.log("Started");
var resource = "https://management.core.windows.net/";
var client_id = "<<REPLACE-ME>>";
var tenant_id = "<<REPLACE-ME>>";
var grant_type= "client_credentials";
var client_secret = "<<REPLACE-ME>>";
var subscription_id="<<REPLACE-ME>>";
var billing_start_date="2016-10-01";
// Up to the current day
var todayDate = new Date();
var day = '' + todayDate.getDate();
var month = '' + (todayDate.getMonth() + 1);
var year = '' + todayDate.getFullYear();
if (month.length < 2) month = '0' + month;
if (day.length < 2) day = '0' + day;
var billing_end_date= [year, month, day].join('-'); //"2017-10-02";
// https://azure.microsoft.com/en-us/support/legal/offer-details/
var offer="MS-AZR-0026P";
// offer="MS-AZR-0023P";
var currency="USD";
var locale="en-US";
var region="US";
var filter='$filter';
////////////////////////////
// MAIN BODY
////////////////////////////
var data = {
"resource" : resource,
"client_id" : client_id,
"grant_type" : grant_type,
"client_secret" : client_secret
};
data = querystring.stringify(data);
//console.log("Login Query String: ",data);
headers = {
"Content-Type": "application/x-www-form-urlencoded",
"Content-Length": data.length
};
var url = "/" + tenant_id + "/oauth2/token";
//console.log("url", url);
// https://msdn.microsoft.com/en-us/library/azure/mt219003.aspx
var usageUrl = util.format("/subscriptions/%s/providers/Microsoft.Commerce/UsageAggregates?api-version=2015-06-01-preview&reportedStartTime=%s&reportedEndTime=%s&aggregationGranularity=Daily&showDetails=true",
subscription_id, billing_start_date, billing_end_date);
// https://msdn.microsoft.com/en-us/library/azure/mt219004.aspx
var rateCardUrl = "https://management.azure.com/subscriptions/" + subscription_id +
"/providers/Microsoft.Commerce/RateCard?api-version=2015-06-01-preview&" + filter +
"=OfferDurableId%20eq%20'" + offer + "'%20and%20Currency%20eq%20'" + currency + "'%20and%20Locale%20eq%20'" + locale +
"'%20and%20RegionInfo%20eq%20'" + region + "'";
// Authorize => Rate Card => Usages Detail(s) => Compute total by resource group
performRequest(
"login.microsoftonline.com",
url,
"POST",
headers,
data,
function(loginData)
{
var authHeader = {
"x-ms-version": "2015-06-01-preview",
"Authorization": "Bearer " + loginData.access_token.toString()
};
// download rate card
performRequest(
"management.azure.com",
rateCardUrl,
"GET",
authHeader,
{},
function(rateCardData) {
// download usage
getUsage(
usageUrl,
authHeader,
function(usageDataList, hasError, err)
{
// console.log("usageDataList ", usageDataList);
caculateResults(usageDataList, rateCardData,
function(billingByResourceGroup, grandTotal) {
console.log("Billing by Resource Group: ", billingByResourceGroup);
console.log("Grand total: ", grandTotal);
console.log("Billing by Resource Group LEN: ", billingByResourceGroup.length);
setTagsOnResouceGroupSerial(0, billingByResourceGroup, subscription_id, loginData.access_token.toString(),
function(resultFromTagging, hasErrorRG, errRG)
{
console.log("setTagsOnResouceGroups: ", resultFromTagging);
}
);
} // function(billingByResourceGroup)
) // calculateResults
});
} // function(usageData)
) // performRequest
} // success
); // performRequest