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137 lines
4.0 KiB
137 lines
4.0 KiB
var extend = require('extend');
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var https = require('https');
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var url = require('url');
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var util = require('util');
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var client = function(options){
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/*
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* new http_client([options])
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*
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* http client used to make requests to datadog api service
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*
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* `options` is an optional object of parameters to set:
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* {
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* 'api_key': 'datadog api key',
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* 'app_key': 'datadog app key',
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* 'api_version': 'default is v1',
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* 'api_host': 'default is app.datadoghq.com',
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* }
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*
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* this client also allows you to provide these options as
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* environment variables instead:
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*
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* api_key: DD_API_KEY
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* app_key: DD_APP_KEY
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* api_version: DD_API_VERSION
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* api_host: DD_API_HOST
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*/
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options = (options)? options : {};
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this.api_key = (options['api_key'])? options['api_key'] : process.env['DD_API_KEY'];
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if(!this.api_key){
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throw new Error('`api_key` is not present, either provide `api_key` in `options` or use environment variable `DD_API_KEY`');
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}
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this.app_key = (options['app_key'])? options['app_key'] : process.env['DD_APP_KEY'];
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if(!this.api_key){
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throw new Error('`app_key` is not present, either provide `app_key` in `options` or use environment variable `DD_APP_KEY`');
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}
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this.api_version = (options['api_version'])? options['api_version'] : process.env['DD_API_VERSION'];
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if(!this.api_version){
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this.api_version = 'v1';
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}
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this.api_host = (options['api_host'])? options['api_host'] : process.env['DD_API_HOST'];
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if(!this.api_host){
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this.api_host = 'app.datadoghq.com';
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}
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};
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client.prototype.request = function(method, path, params, callback){
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/*
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* http_client.request(method, path, [[params], callback])
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*
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* method used to send an http request to the datadog api service
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*
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* `method` is the http method to use ('POST', 'GET', 'DELETE', etc)
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* `path` the api url to call, e.g '/events', '/series', '/dash', etc
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* `params` an optional object of additional options:
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* {
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* 'query': { 'key': 'value' },
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* 'body': { 'json/object': 'body' } or 'string body',
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* }
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* `callback` an optional function to obtain the results of the api call
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* callback(error, result)
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*/
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if(arguments.length == 3 && typeof arguments[2] == 'function'){
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callback = arguments[2];
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params = {};
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}
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params = params || {};
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var body = (typeof params['body'] == 'object')? JSON.stringify(params['body']) : params['body'];
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var query = {
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'api_key': this.api_key,
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'application_key': this.app_key,
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};
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if(typeof params['query'] == 'object'){
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extend(query, params['query']);
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}
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path = url.format({
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'pathname': util.format('/api/%s%s', this.api_version, path),
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'query': query,
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});
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var http_options = {
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hostname: this.api_host,
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port: 443,
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method: method.toUpperCase(),
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path: path,
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};
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if(['POST', 'PUT'].indexOf(http_options['method']) >= 0){
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http_options['headers'] = {
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'Content-Type': 'application/json',
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'Content-Length': body.length,
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};
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}
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var req = https.request(http_options, function(res){
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res.on('error', function(err){
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if(typeof callback == 'function'){
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callback(err, null, res.statusCode);
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}
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});
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var data = '';
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res.on('data', function(chunk){
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data += chunk;
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});
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res.on('end', function(){
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error = null;
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try{ data = JSON.parse(data); }catch(e){}
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if(data['errors']){
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error = data['errors'];
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data = null;
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}
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if(typeof callback == 'function'){
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callback(error, data, res.statusCode);
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}
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});
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});
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if(['POST', 'PUT'].indexOf(http_options['method']) >= 0){
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req.write(body);
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}
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req.end()
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};
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return module.exports = client;
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