From a15296f2b1fd274a95e3252457415aa75ae3dc8f Mon Sep 17 00:00:00 2001
From: Anatolii Bazko <abazko@redhat.com>
Date: Fri, 14 Feb 2020 09:40:37 +0200
Subject: [PATCH] feat: Allows to override default values (#508)

* Allows to override default values

Signed-off-by: Anatoliy Bazko <abazko@redhat.com>
---
 README.md                    |  4 ++++
 package.json                 |  1 +
 src/api/kube.ts              | 14 +++++++++++++-
 src/commands/server/start.ts |  6 +++++-
 4 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 32743da39..7626a4d3a 100644
--- a/README.md
+++ b/README.md
@@ -279,6 +279,10 @@ OPTIONS
   -t, --templates=templates
       [default: templates] Path to the templates folder
 
+  --che-operator-cr-patch-yaml=che-operator-cr-patch-yaml
+      Path to a yaml file that overrides the default values in CheCluster CR used by the operator. This parameter is used 
+      only when the installer is the operator.
+
   --che-operator-cr-yaml=che-operator-cr-yaml
       Path to a yaml file that defines a CheCluster used by the operator. This parameter is used only when the installer 
       is the operator.
diff --git a/package.json b/package.json
index eac893f26..cc6220b61 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,7 @@
     "fs-extra": "^8.1.0",
     "listr": "^0.14.3",
     "listr-verbose-renderer": "^0.6.0",
+    "lodash": "^4.17.13",
     "mkdirp": "^0.5.1",
     "node-notifier": "^6.0.0",
     "tslib": "^1"
diff --git a/src/api/kube.ts b/src/api/kube.ts
index b175981f9..b9e41aab3 100644
--- a/src/api/kube.ts
+++ b/src/api/kube.ts
@@ -15,6 +15,7 @@ import { cli } from 'cli-ux'
 import * as fs from 'fs'
 import https = require('https')
 import * as yaml from 'js-yaml'
+import { merge } from 'lodash'
 import * as net from 'net'
 import { Writable } from 'stream'
 
@@ -949,9 +950,11 @@ export class KubeHelper {
 
   async createCheClusterFromFile(filePath: string, flags: any, useDefaultCR: boolean) {
     let yamlCr = this.safeLoadFromYamlFile(filePath)
+    yamlCr = this.overrideDefaultValues(yamlCr, flags['che-operator-cr-patch-yaml'])
+
     const cheNamespace = flags.chenamespace
     if (useDefaultCR) {
-      // If we don't use an explicitely provided CheCluster CR,
+      // If we don't use an explicitly provided CheCluster CR,
       // then let's modify the default example CR with values
       // derived from the other parameters
       const cheImage = flags.cheimage
@@ -1001,6 +1004,15 @@ export class KubeHelper {
     }
   }
 
+  overrideDefaultValues(yamlCr: any, filePath: string): any {
+    if (filePath) {
+      const patchCr = this.safeLoadFromYamlFile(filePath)
+      return merge(yamlCr, patchCr)
+    } else {
+      return yamlCr
+    }
+  }
+
   async cheClusterExist(name = '', namespace = ''): Promise<boolean> {
     const customObjectsApi = this.kc.makeApiClient(CustomObjectsApi)
     try {
diff --git a/src/commands/server/start.ts b/src/commands/server/start.ts
index caa10de12..67fecda86 100644
--- a/src/commands/server/start.ts
+++ b/src/commands/server/start.ts
@@ -114,6 +114,10 @@ export default class Start extends Command {
       description: 'Path to a yaml file that defines a CheCluster used by the operator. This parameter is used only when the installer is the operator.',
       default: ''
     }),
+    'che-operator-cr-patch-yaml': string({
+      description: 'Path to a yaml file that overrides the default values in CheCluster CR used by the operator. This parameter is used only when the installer is the operator.',
+      default: ''
+    }),
     directory: string({
       char: 'd',
       description: 'Directory to store logs into',
@@ -131,7 +135,7 @@ export default class Start extends Command {
     'skip-version-check': flags.boolean({
       description: 'Skip minimal versions check.',
       default: false
-    }),
+    })
   }
 
   static getTemplatesDir(): string {