fixes codegen ci test

Author: yue9944882

.github/workflows/maven.yml

@@ -72,6 +72,7 @@ jobs:
           - 5000:5000
     name: CRD Java Models Code Generation
     steps:
+      - uses: actions/checkout@v2
       - name: Publish to Registry
         uses: elgohr/Publish-Docker-Github-Action@master
         with:

client-java-contrib/cert-manager/update.sh

@@ -16,8 +16,10 @@
 # This script generates the model classes from a released version of cert-manager CRDs
 # under src/main/java/io/cert/manager/models.
 
-IMAGE_NAME=${IMAGE_NAME:docker.pkg.github.com/kubernetes-client/java/crd-model-gen}
-IMAGE_TAG=${IMAGE_TAG:v1.0.2}
+DEFAULT_IMAGE_NAME=docker.pkg.github.com/kubernetes-client/java/crd-model-gen
+DEFAULT_IMAGE_TAG=v1.0.2
+IMAGE_NAME=${IMAGE_NAME:=$DEFAULT_IMAGE_NAME}
+IMAGE_TAG=${IMAGE_TAG:=$DEFAULT_IMAGE_TAG}
 
 # a crdgen container is run in a way that:
 #   1. it has access to the docker daemon on the host so that it is able to create sibling container on the host

client-java-contrib/prometheus-operator/update.sh

@@ -16,8 +16,10 @@
 # This script generates the model classes from a released version of cert-manager CRDs
 # under src/main/java/io/cert/manager/models.
 
-IMAGE_NAME=${IMAGE_NAME:docker.pkg.github.com/kubernetes-client/java/crd-model-gen}
-IMAGE_TAG=${IMAGE_TAG:v1.0.2}
+DEFAULT_IMAGE_NAME=docker.pkg.github.com/kubernetes-client/java/crd-model-gen
+DEFAULT_IMAGE_TAG=v1.0.2
+IMAGE_NAME=${IMAGE_NAME:=$DEFAULT_IMAGE_NAME}
+IMAGE_TAG=${IMAGE_TAG:=$DEFAULT_IMAGE_TAG}
 
 # a crdgen container is run in a way that:
 #   1. it has access to the docker daemon on the host so that it is able to create sibling container on the host