Created
October 29, 2018 17:59
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Script to cleanup Google Cloud - GCP - virtual machine images based on project and number of desired images
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| #!/bin/bash | |
| # Script to cleanup GCP virtual machine images | |
| # How many images of this family do we wish to retain | |
| desired_images=8 | |
| image_project="PROJECTHERE" | |
| clean_images() | |
| { | |
| # Function to clean up images, set the default family to megatron base | |
| # Calculate how many images there are and how many images we need to delete to get to our desired image amount | |
| number_of_images=$(gcloud compute images list --filter="family=( ${image_family} )" --project=${image_project} | wc -l | xargs) | |
| images_to_delete=$((${number_of_images}-${desired_images})) | |
| echo "" | |
| echo "Total found images in ${image_family} family - $number_of_images" | |
| # Working variables | |
| loop=0 | |
| # Iterate over all the listed images in family and project | |
| for image in $(gcloud compute images list --sort-by "creationTimestamp" --filter="family=( ${image_family} )" --project=${image_project} --format="value(NAME)" | cut -f1); do | |
| if [ $loop -ge $images_to_delete ]; then | |
| if [ $loop == 0 ]; then | |
| echo "No images to delete" | |
| fi | |
| echo "Images processed" | |
| echo "" | |
| break | |
| fi | |
| let "loop++" | |
| # Delete the image with no confirmation | |
| echo "deleting $image" | |
| gcloud compute images delete --project ${image_project} -q ${image} | |
| done | |
| } | |
| clean_images "IMAGE-FAMILY-NAME-HERE" |
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The documentation is slightly obscure on this, it should be fairly simple to do but these things never are. Hopefully this will help someone out!