wac-gce-ansible

Containerized Ansible for use with Google Compute Engine

• Uses gcp_compute inventory plugin for dynamic inventory (requires service account)
• Uses same service account with installed gcloud to automagically connect to instances
• Uses instance labels to create Ansible groups

Status

Setup

• Create a service account
• Grant the service account the Compute Admin, Compute OS Admin Login, Compute OS Login, Cloud Functions Developer(If you want to deploy Cloud Functions), and Service Account User IAM Roles
• Create and download json credentials
• Enable OSLogin for your project

Example

• Use one of the default directory layouts for playbooks and files.
• Mount the top directory as /var/ansible. It is used as the working directory of the container.
• Mount the directory which contains the service account file
• Pass in the GCE project id as an environment variable
  • Note: The ID might not be the name, it might be the name with some additional digits appended

docker run -it --rm -v <playbook_directory>:/var/ansible -v /<service_account_directory>:/srcs -e GCP_SERVICE_ACCOUNT_FILE='/srcs/<service_account_json_credentials_name>' -e GCP_PROJECT='<project>' chadautry/wac-gce-ansible ansible-playbook /var/ansible/site.yml

Lookout for

Occasionally you may encounter an error 'Login profile size exceeds 32 KiB. Delete profile values to make additional space.' It just means too many ssh keys have built up for your service account.

gcloud auth activate-service-account --key-file=<yourKeyFile>
for i in $(gcloud compute os-login ssh-keys list | grep -v FINGERPRINT); do echo $i; gcloud compute os-login ssh-keys remove --key $i; done