A simple Bash function to wrap the `gcloud compute instances create` sub-command, making it easier to work with.

bash_profile.sh

# Possibly add this to ~/.bash_profile
# Ensure you have the Google Cloud SDK installed

function gce-create() {
  GCE_BIN=$(which gcloud)
  GCE_SCOPES=default="https://www.googleapis.com/auth/cloud.useraccounts.readonly","https://www.googleapis.com/auth/devstorage.read_only","https://www.googleapis.com/auth/logging.write","https://www.googleapis.com/auth/monitoring.write"
  GCE_IMAGE="https://www.googleapis.com/compute/v1/projects/centos-cloud/global/images/centos-7-v20160219"
  GCE_POLICY=MIGRATE
  GCE_ZONE=us-central1-a
  GCE_TYPE=f1-micro
  GCE_NETWORK=default

  ${GCE_BIN} compute instances create $1 --maintenance-policy ${GCE_POLICY} --scopes ${GCE_SCOPES} --image ${GCE_IMAGE} --zone ${GCE_ZONE} --machine-type ${GCE_TYPE} --network ${GCE_NETWORK} ${@:2}
}