[enh] There should be a db init/seed functionality

dbInit/index.js

@@ -0,0 +1,95 @@
+// dbInit/index.js 
+
+"use strict"
+
+const dbInit = {};
+
+const bulkData = [
+  { "index" : { "_index" : "changelog" } },
+  { "author" : "John Ripper <john@theripper.com", 
+    "content":"* machines: Installed the server\n```debootstrap -t foobar```", 
+    "server": "server.example.com",
+    "created_at":"2020-05-23T09:50:33.397Z"},
+  { "index" : { "_index" : "changelog" } },
+  { "author" : "John Ripper <john@theripper.com", 
+    "content":"* db: Installed mysql\n```apt install mariadb-server```", 
+    "server": "server.example.com",
+    "created_at":"2020-05-23T10:50:33.397Z"},
+  { "index" : { "_index" : "changelog" } },
+  { "author" : "John Ripper <john@theripper.com", 
+    "content":"* nginx: add package\n```apt install nginx-full```", 
+    "server": "server.example.com",
+    "created_at":"2020-05-23T16:50:33.397Z"}
+];
+
+const mappings = {
+    "properties": {
+      "author":    { "type": "keyword" },  
+      "server":    { "type": "keyword" },  
+      "content":  { "type": "text"  }, 
+      "created_at":   { "type": "date","format": "date_optional_time" }     
+    }};
+    
+const elasticsearch = require('elasticsearch');
+var client = new elasticsearch.Client({
+  host: process.env.ES_CONNECT,
+//  log: 'trace',
+  apiVersion: '7.7'
+});
+
+dbInit.client = client;
+dbInit.bulkData = bulkData;
+dbInit.mappings = mappings;
+
+/**
+ * 
+ * @param {object} flags
+ * @returns {int}
+ */
+dbInit.init = function( flags = {} ){
+  
+  var seed = flags.seed || true;
+  
+  this.client.indices.create({
+    index : "changelog",
+    body: {
+      mappings: this.mappings
+    }
+  }).then( (result) => {
+    
+    console.log( "Index 'changelog' created with success.");
+    
+    // seed if flag ok
+    if( ! seed ){ return true; };
+    this.client.bulk({
+      index: "changelog",
+      body:  this.bulkData
+
+
+      }).then( (r) => {
+        console.log( "bulk insert OK");
+      }, (r) => {
+        console.log( "bulk insert ERROR! : ",r);
+      });
+  },( result ) => {
+    console.log( "Index 'changelog' already exists, skipping.");
+  });
+
+  this.client.indices.create({
+    index : "changelog-trash",
+    body: {
+      mappings: this.mappings
+    }
+  }).then( (result) => {
+    
+    console.log( "Index 'changelog-trash' created with success.");
+  },( result ) => {
+    console.log( "Index changelog-trash exists, skipping.");
+  });
+    
+  
+};
+
+module.exports = dbInit;
+
+// EOF 

index.js

@@ -24,6 +24,12 @@ curl -X PUT 'http://localhost:9200/changelog'  -d '
 const authorizationToken = process.env.AUTH_TOKEN || "hello";
 const port = process.env.APP_PORT || 3000;
 
+const dbInit = require("./dbInit");
+dbInit.init({
+  seed : process.env.DB_SEED
+});
+
+console.log( "exit")
 
 const express = require('express');
 const app = express();