build-gce-ubuntu-1804 is deprecated update to build-gce-ubuntu-2004

Signed-off-by: cpanato <[email protected]>

Author: cpanato

docs/book/src/developers/cluster-creation.md

@@ -23,7 +23,7 @@ For creating a cluster with clusterctl, checkout our [Cluster API Quick Start](h
    export GCP_NETWORK_NAME=default
    export GCP_B64ENCODED_CREDENTIALS=$( cat /path/to/gcp_credentials.json | base64 | tr -d '\n' )
    export CLUSTER_NAME="capg-test"
-   export IMAGE_ID=projects/k8s-staging-cluster-api-gcp/global/images/cluster-api-ubuntu-1804-v1-20-9-nightly
+   export IMAGE_ID=projects/k8s-staging-cluster-api-gcp/global/images/cluster-api-ubuntu-2004-v1-20-9-nightly
    ```
 
   You can check for other images to set the `IMAGE_ID` of your choice.

docs/book/src/topics/prerequisites.md

@@ -83,10 +83,10 @@ git clone https://github.com/kubernetes-sigs/image-builder.git image-builder
 cd image-builder/images/capi
 
 # Run the Make target to generate GCE images.
-make build-gce-ubuntu-1804
+make build-gce-ubuntu-2004
 
 # Check that you can see the published images.
-gcloud compute images list --project ${GCP_PROJECT_ID} --no-standard-images --filter="family:capi-ubuntu-1804-k8s"
+gcloud compute images list --project ${GCP_PROJECT_ID} --no-standard-images --filter="family:capi-ubuntu-2004-k8s"
 
 # Export the IMAGE_ID from the above
 export IMAGE_ID="projects/${GCP_PROJECT_ID}/global/images/<image-name>"

scripts/ci-conformance.sh

@@ -88,17 +88,17 @@ EOF
       GCP_PROJECT_ID=$GCP_PROJECT \
       GOOGLE_APPLICATION_CREDENTIALS=$GOOGLE_APPLICATION_CREDENTIALS \
       PACKER_VAR_FILES=override.json \
-      make deps-gce build-gce-ubuntu-1804)
+      make deps-gce build-gce-ubuntu-2004)
   else
     # assume we are running in the CI environment as root
     # Add a user for ansible to work properly
     groupadd -r packer && useradd -m -s /bin/bash -r -g packer packer
     chown -R packer:packer /home/prow/go/src/sigs.k8s.io/image-builder
     # use the packer user to run the build
-    su - packer -c "bash -c 'cd /home/prow/go/src/sigs.k8s.io/image-builder/images/capi && PATH=$PATH:~packer/.local/bin:/home/prow/go/src/sigs.k8s.io/image-builder/images/capi/.local/bin GCP_PROJECT_ID=$GCP_PROJECT GOOGLE_APPLICATION_CREDENTIALS=$GOOGLE_APPLICATION_CREDENTIALS PACKER_VAR_FILES=override.json make deps-gce build-gce-ubuntu-1804'"
+    su - packer -c "bash -c 'cd /home/prow/go/src/sigs.k8s.io/image-builder/images/capi && PATH=$PATH:~packer/.local/bin:/home/prow/go/src/sigs.k8s.io/image-builder/images/capi/.local/bin GCP_PROJECT_ID=$GCP_PROJECT GOOGLE_APPLICATION_CREDENTIALS=$GOOGLE_APPLICATION_CREDENTIALS PACKER_VAR_FILES=override.json make deps-gce build-gce-ubuntu-2004'"
   fi
 
-  filter="name~cluster-api-ubuntu-1804-${KUBERNETES_VERSION//[.+]/-}"
+  filter="name~cluster-api-ubuntu-2004-${KUBERNETES_VERSION//[.+]/-}"
   image_id=$(gcloud compute images list --project "$GCP_PROJECT" \
     --no-standard-images --filter="${filter}" --format="table[no-heading](name)")
   if [[ -z "$image_id" ]]; then

scripts/ci-e2e.sh

@@ -78,17 +78,17 @@ EOF
       GCP_PROJECT_ID=$GCP_PROJECT \
       GOOGLE_APPLICATION_CREDENTIALS=$GOOGLE_APPLICATION_CREDENTIALS \
       PACKER_VAR_FILES=override.json \
-      make deps-gce build-gce-ubuntu-1804)
+      make deps-gce build-gce-ubuntu-2004)
   else
     # assume we are running in the CI environment as root
     # Add a user for ansible to work properly
     groupadd -r packer && useradd -m -s /bin/bash -r -g packer packer
     chown -R packer:packer /home/prow/go/src/sigs.k8s.io/image-builder
     # use the packer user to run the build
-    su - packer -c "bash -c 'cd /home/prow/go/src/sigs.k8s.io/image-builder/images/capi && PATH=$PATH:~packer/.local/bin:/home/prow/go/src/sigs.k8s.io/image-builder/images/capi/.local/bin GCP_PROJECT_ID=$GCP_PROJECT GOOGLE_APPLICATION_CREDENTIALS=$GOOGLE_APPLICATION_CREDENTIALS PACKER_VAR_FILES=override.json make deps-gce build-gce-ubuntu-1804'"
+    su - packer -c "bash -c 'cd /home/prow/go/src/sigs.k8s.io/image-builder/images/capi && PATH=$PATH:~packer/.local/bin:/home/prow/go/src/sigs.k8s.io/image-builder/images/capi/.local/bin GCP_PROJECT_ID=$GCP_PROJECT GOOGLE_APPLICATION_CREDENTIALS=$GOOGLE_APPLICATION_CREDENTIALS PACKER_VAR_FILES=override.json make deps-gce build-gce-ubuntu-2004'"
   fi
 
-  filter="name~cluster-api-ubuntu-1804-${KUBERNETES_VERSION//[.+]/-}"
+  filter="name~cluster-api-ubuntu-2004-${KUBERNETES_VERSION//[.+]/-}"
   image_id=$(gcloud compute images list --project "$GCP_PROJECT" \
     --no-standard-images --filter="${filter}" --format="table[no-heading](name)")
   if [[ -z "$image_id" ]]; then