Jenkins 镜像预拉取增加超时重试与缓存检测

Jenkinsfile

@@ -23,11 +23,27 @@ pipeline {
         }
 
         stage('Prepare Test Images') {
+            options {
+                timeout(time: 15, unit: 'MINUTES')
+            }
             steps {
-                sh '''
+                retry(2) {
-                    docker pull node:20-bookworm
+                    sh '''
-                    docker pull mcr.microsoft.com/playwright:v1.51.1-jammy
+                        set -e
-                '''
+
+                        if docker image inspect node:20-bookworm >/dev/null 2>&1; then
+                          echo "node:20-bookworm already exists, skip pull"
+                        else
+                          docker pull node:20-bookworm
+                        fi
+
+                        if docker image inspect mcr.microsoft.com/playwright:v1.51.1-jammy >/dev/null 2>&1; then
+                          echo "mcr.microsoft.com/playwright:v1.51.1-jammy already exists, skip pull"
+                        else
+                          docker pull mcr.microsoft.com/playwright:v1.51.1-jammy
+                        fi
+                    '''
+                }
             }
         }