docker: contextInspect func

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

src/docker/docker.ts

@@ -25,7 +25,7 @@ import {Cache} from '../cache';
 import {Exec} from '../exec';
 import {Util} from '../util';
 
-import {ConfigFile} from '../types/docker/docker';
+import {ConfigFile, ContextInfo} from '../types/docker/docker';
 
 export class Docker {
   static get configDir(): string {
@@ -69,6 +69,22 @@ export class Docker {
     });
   }
 
+  public static async contextInspect(name?: string): Promise<ContextInfo> {
+    const args = ['context', 'inspect', '--format=json'];
+    if (name) {
+      args.push(name);
+    }
+    return await Exec.getExecOutput(`docker`, args, {
+      ignoreReturnCode: true,
+      silent: true
+    }).then(res => {
+      if (res.stderr.length > 0 && res.exitCode != 0) {
+        throw new Error(res.stderr.trim());
+      }
+      return (<Array<ContextInfo>>JSON.parse(res.stdout.trim()))[0];
+    });
+  }
+
   public static async printVersion(): Promise<void> {
     await Exec.exec('docker', ['version']);
   }

src/types/docker/docker.ts

@@ -64,3 +64,33 @@ export interface AuthConfig {
   identitytoken?: string;
   registrytoken?: string;
 }
+
+export interface ContextInfo {
+  Name: string;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  Metadata: any;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  Endpoints: Record<string, EndpointInfo>;
+  TLSMaterial: Record<string, Array<string>>;
+  Storage: StorageInfo;
+}
+
+export interface EndpointInfo {
+  Host?: string;
+  SkipVerify: boolean;
+  TLSData?: TLSData;
+}
+
+export interface TLSData {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  CA: any;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  Key: any;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  Cert: any;
+}
+
+export interface StorageInfo {
+  MetadataPath: string;
+  TLSPath: string;
+}