Add API key authentication

README.md

@@ -20,10 +20,10 @@ The latest version of this provider can be installed with the Koop CLI.  See the
 To suppress KoopJS warnings from the console output, run with an environment variable of KOOP_WARNINGS="suppress". In powershell, this will look like: $env:KOOP_WARNINGS="suppress" ; node main.js
 
 ## Elastic Search Connect Environment Variable
-Setting an environment variable of `KOOP_ENV_KEYS` allows saving of usernames and passwords to connect to elastic search 
+Setting an environment variable of `KOOP_ENV_KEYS` allows saving of secrets to connect to elastic search 
 without having to store them in the configuration file.  The format for this variable is 
-`esId,user,password||esId2,user2,password2`. The _esId_ is the id given to the connection in the configuration file as
-shown below in the *Basic Config File Structure* section.
+`esId,user,password,apiKey||esId2,user2,password2||esId3,,,apiKey3`. The _esId_ is the id given to the connection in the configuration file as
+shown below in the *Basic Config File Structure* section.  The _apiKey_ should be base64 encoded.
 
 ## Command Line
 `npm start`

src/utils/elasticConnectUtil.js

@@ -30,13 +30,15 @@ function initializeESClients() {
         if(envConfig[esId]){
             connectInfo.userName = envConfig[esId].user;
             connectInfo.password = envConfig[esId].password;
+            connectInfo.apiKey = envConfig[esId].apiKey;
         }
 
         let esClient = new Client({
             node: hosts,
             auth: {
                 username: connectInfo.userName,
-                password: connectInfo.password
+                password: connectInfo.password,
+                apiKey: connectInfo.apiKey
             },
             requestTimeout: 900000,
             keepAlive: false,
@@ -61,10 +63,14 @@ function checkForEnvironmentVariables(){
         if(koopEnvKeys){
             koopEnvKeys.forEach(envConf => {
                 let envInfo = envConf.split(',');
-                koopEnvConfig[envInfo[0]] = {user: envInfo[1], password: envInfo[2]};
+                koopEnvConfig[envInfo[0]] = {
+                    user: envInfo[1],
+                    password: envInfo[2],
+                    apiKey: envInfo[3]
+                };
             });
         }
-        // console.dir(koopEnvConfig);// esId,user,password||esId,user,password
+        // console.dir(koopEnvConfig);// esId,user,password,apiKey||esId,user,password,apiKey
         return koopEnvConfig;
     } catch (e) {
         console.error(e);