If internal links are not specified, the external one should be used

extensions/eclipse-che-theia-plugin-ext/src/node/che-plugin-service.ts

@@ -98,9 +98,9 @@ export class ChePluginServiceImpl implements ChePluginService {
 
     try {
       const workspaceSettings: WorkspaceSettings = await this.workspaceService.getWorkspaceSettings();
-      if (workspaceSettings && workspaceSettings[PLUGIN_REGISTRY_INTERNAL_URL]) {
-        const uri = workspaceSettings[PLUGIN_REGISTRY_INTERNAL_URL];
-        const publicUri = workspaceSettings[PLUGIN_REGISTRY_URL] || uri;
+      if (workspaceSettings) {
+        const publicUri = workspaceSettings[PLUGIN_REGISTRY_URL];
+        const uri = workspaceSettings[PLUGIN_REGISTRY_INTERNAL_URL] || publicUri;
 
         this.defaultRegistry = {
           name: 'Eclipse Che plugins',

extensions/eclipse-che-theia-remote-impl-che-server/src/node/che-server-http-service-impl.ts

@@ -47,7 +47,7 @@ export class CheServerHttpServiceImpl implements HttpService {
     const certificateAuthority = await this.certificateService.getCertificateAuthority();
 
     const proxyUrl = process.env.http_proxy;
-    const baseUrl = process.env.CHE_API;
+    const baseUrl = process.env.CHE_API_EXTERNAL;
     console.log('proxyUrl && proxyUrl !== && baseUrl', proxyUrl && proxyUrl !== '' && baseUrl);
     if (proxyUrl && proxyUrl !== '' && baseUrl) {
       const parsedBaseUrl = url.parse(baseUrl);

extensions/eclipse-che-theia-remote-impl-che-server/src/node/che-server-remote-api-impl.ts

@@ -24,14 +24,13 @@ export class CheServerRemoteApiImpl {
    * baseAPIUrl - responsible for storing base url to API service, taken from environment variable
    * machineToken - machine token taken from environment variable, always the same at workspace lifecycle
    */
-  private readonly baseAPIUrl: string;
+  private readonly baseAPIUrl: string | undefined;
   private readonly machineToken: string;
 
   constructor() {
-    if (process.env.CHE_API_INTERNAL === undefined) {
-      console.error('Unable to create Che API REST Client: "CHE_API_INTERNAL" is not set.');
-    } else {
-      this.baseAPIUrl = process.env.CHE_API_INTERNAL;
+    this.baseAPIUrl = process.env.CHE_API_INTERNAL || process.env.CHE_API_EXTERNAL;
+    if (!this.baseAPIUrl) {
+      console.error('Unable to create Che API REST client: "CHE_API" is not set');
     }
 
     if (process.env.CHE_MACHINE_TOKEN === undefined) {
@@ -52,6 +51,6 @@ export class CheServerRemoteApiImpl {
   }
 
   getCheApiURI(): string {
-    return this.baseAPIUrl;
+    return this.baseAPIUrl!;
   }
 }