Migrate Kubernetes Resource Link Provider #4118

Plus enjencements:
- Respect to Output Format preference
- Support JSON file format
- Links deduplication (preventing to open multiple files for the same links) when hyperlinking

Fixes: #4118

Signed-off-by: Victor Rubezhny <vrubezhny@redhat.com>

Author: vrubezhny

package-lock.json

@@ -81,9 +81,11 @@
 		"hasha": "^5.2.2",
 		"js-yaml": "^4.1.0",
 		"json-schema": "^0.4.0",
+		"json-to-ast": "^2.1.0",
 		"lodash": "^4.17.21",
 		"make-fetch-happen": "^13.0.1",
 		"mkdirp": "^3.0.1",
+		"node-yaml-parser": "^0.0.9",
 		"portfinder": "^1.0.32",
 		"rxjs": "^7.8.1",
 		"semver": "^7.6.2",
@@ -137,6 +139,7 @@
 		"bootstrap": "^5.3.3",
 		"chai": "^4.4.1",
 		"chokidar": "^3.6.0",
+		"clipboardy": "^2.3.0",
 		"codecov": "^3.8.2",
 		"dpdm": "^3.14.0",
 		"esbuild": "^0.19.12",
@@ -180,8 +183,7 @@
 		"vscode-extension-tester": "^8.1",
 		"xterm-addon-fit": "^0.8.0",
 		"xterm-addon-web-links": "^0.9.0",
-		"xterm-addon-webgl": "^0.16.0",
-		"clipboardy": "^2.3.0"
+		"xterm-addon-webgl": "^0.16.0"
 	},
 	"activationEvents": [
 		"onView:openshiftProjectExplorer",

package.json

@@ -708,7 +708,9 @@ export class OpenShiftExplorer implements TreeDataProvider<ExplorerItem>, Dispos
      */
     loadKubernetesCore(namespace: string | null, value: string) {
         const outputFormat = getOutputFormat();
-        const uri = kubefsUri(namespace, value, outputFormat);
+        // Names are to be only lowercase,
+        // see: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#dns-subdomain-names
+        const uri = kubefsUri(namespace, value.toLocaleLowerCase(), outputFormat, undefined, true);
         this.loadKubernetesDocument(uri);
     }
 
@@ -718,7 +720,7 @@ export class OpenShiftExplorer implements TreeDataProvider<ExplorerItem>, Dispos
      * @param revision Installed Helm Chart revision
      */
     loadKubernetesHelmChart(releaseName: string, revision: number | undefined) {
-        const uri = helmfsUri(releaseName, revision);
+        const uri = helmfsUri(releaseName, revision, true);
         this.loadKubernetesDocument(uri);
     }
 
@@ -727,19 +729,7 @@ export class OpenShiftExplorer implements TreeDataProvider<ExplorerItem>, Dispos
      * @param uri A Kubernetes document Uri
      */
     loadKubernetesDocument(uri: Uri) {
-        const query = this.getComparableQuery(uri);
-        const openUri = workspace.textDocuments.map((doc) => doc.uri)
-            .find((docUri) => {
-                return (docUri.scheme === uri.scheme &&
-                    docUri.authority === uri.authority &&
-                    docUri.fragment === uri.fragment &&
-                    docUri.path === uri.path &&
-                    this.getComparableQuery(docUri) === query);
-            });
-
-        // If open document is found for the URI provided, we use its URI to bring its editor to the front
-        // instead of openning a new editor
-        workspace.openTextDocument(openUri ? openUri : uri).then(
+        workspace.openTextDocument(uri).then(
             (doc) => {
                 if (doc) {
                     void window.showTextDocument(doc);
@@ -748,19 +738,6 @@ export class OpenShiftExplorer implements TreeDataProvider<ExplorerItem>, Dispos
             (err) => window.showErrorMessage(`Error loading document: ${err}`));
     }
 
-    /*
-     * Returns the query string of the specified Uri without "nonce" param,
-     * so the query strings can be compared.
-     * The "nonce" param is generated as current time value for every KubefsUri created,
-     * f.i., "_=1709642987392", and are always added to the end of the query string (so
-     * they always have the preceeding query parameters sepacator character ("&") added),
-     * so the query strings, if they aren't cleared from "nonce" param, can be compared for
-     * Uri objects even when they point to the same document.
-     */
-    getComparableQuery(uri: Uri): string {
-        return uri.query.replace(/&_=[0-9]+/g, '');
-    }
-
     @vsCommand('openshift.resource.delete')
     public static async deleteResource(component: KubernetesObject) {
         await Progress.execFunctionWithProgress(`Deleting '${component.kind}/${component.metadata.name}'`, async (_) => {

src/explorer.ts

@@ -6,7 +6,7 @@
 import * as path from 'path';
 import {
     authentication,
-    commands, env, ExtensionContext, QuickPickItemKind,
+    commands, env, ExtensionContext, languages, QuickPickItemKind,
     StatusBarAlignment,
     StatusBarItem, window,
     workspace
@@ -37,6 +37,7 @@ import { registerYamlHandlers } from './yaml/yamlDocumentFeatures';
 import fsx = require('fs-extra');
 import { Oc } from './oc/ocWrapper';
 import { K8S_RESOURCE_SCHEME, K8S_RESOURCE_SCHEME_READONLY, KubernetesResourceVirtualFileSystemProvider } from './k8s/vfs/kuberesources.virtualfs';
+import { KubernetesResourceLinkProvider } from './k8s/vfs/kuberesources.linkprovider';
 
 // eslint-disable-next-line @typescript-eslint/no-empty-function
 // this method is called when your extension is deactivated
@@ -81,7 +82,7 @@ export async function activate(extensionContext: ExtensionContext): Promise<unkn
     const resourceDocProvider = new KubernetesResourceVirtualFileSystemProvider();
 
     // Link from resources to referenced resources
-    // const resourceLinkProvider = new KubernetesResourceLinkProvider();
+    const resourceLinkProvider = new KubernetesResourceLinkProvider();
 
     // pick kube config in case multiple are configured
     await setKubeConfig();
@@ -129,7 +130,7 @@ export async function activate(extensionContext: ExtensionContext): Promise<unkn
         workspace.registerFileSystemProvider(K8S_RESOURCE_SCHEME_READONLY, resourceDocProvider, { isReadonly: true }),
 
         // Link from resources to referenced resources
-        // languages.registerDocumentLinkProvider({ scheme: K8S_RESOURCE_SCHEME }, resourceLinkProvider),
+        languages.registerDocumentLinkProvider({ scheme: K8S_RESOURCE_SCHEME }, resourceLinkProvider),
 
     ];
     disposable.forEach((value) => extensionContext.subscriptions.push(value));