ci: use qemu-user-static from acr for alpine-arm64 (#310283)

Author: deepak1556

build/azure-pipelines/alpine/product-build-alpine-node-modules.yml

@@ -69,6 +69,16 @@ jobs:
         displayName: "Pull image"
         condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'))
 
+      - task: Docker@1
+        inputs:
+          azureSubscriptionEndpoint: vscode
+          azureContainerRegistry: vscodehub.azurecr.io
+          command: "Run an image"
+          imageName: "multiarch/qemu-user-static@sha256:fe60359c92e86a43cc87b3d906006245f77bfc0565676b80004cc666e4feb9f0"
+          containerCommand: uname
+        displayName: "Pull qemu-user-static image"
+        condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'), eq(variables['NPM_ARCH'], 'arm64'))
+
       - script: sudo apt-get update && sudo apt-get install -y libkrb5-dev
         displayName: Install build dependencies
         condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'))

build/azure-pipelines/alpine/product-build-alpine.yml

@@ -109,6 +109,16 @@ jobs:
         displayName: "Pull image"
         condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'))
 
+      - task: Docker@1
+        inputs:
+          azureSubscriptionEndpoint: vscode
+          azureContainerRegistry: vscodehub.azurecr.io
+          command: "Run an image"
+          imageName: "multiarch/qemu-user-static@sha256:fe60359c92e86a43cc87b3d906006245f77bfc0565676b80004cc666e4feb9f0"
+          containerCommand: uname
+        displayName: "Pull qemu-user-static image"
+        condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'), eq(variables['NPM_ARCH'], 'arm64'))
+
       - script: sudo apt-get update && sudo apt-get install -y libkrb5-dev
         displayName: Install build dependencies
         condition: and(succeeded(), ne(variables.NODE_MODULES_RESTORED, 'true'))

build/npm/postinstall.ts

@@ -73,7 +73,7 @@ async function npmInstallAsync(dir: string, opts?: child_process.SpawnOptions):
 		log(dir, `Installing dependencies inside container ${process.env['VSCODE_REMOTE_DEPENDENCIES_CONTAINER_NAME']}...`);
 
 		if (process.env['npm_config_arch'] === 'arm64') {
-			run('sudo', ['docker', 'run', '--rm', '--privileged', 'multiarch/qemu-user-static', '--reset', '-p', 'yes'], syncOpts);
+			run('sudo', ['docker', 'run', '--rm', '--privileged', 'vscodehub.azurecr.io/multiarch/qemu-user-static@sha256:fe60359c92e86a43cc87b3d906006245f77bfc0565676b80004cc666e4feb9f0', '--reset', '-p', 'yes'], syncOpts);
 		}
 		run('sudo', [
 			'docker', 'run',