bash utils for easier use of GCP

gcp_utils.sh

alias glist="gcloud compute instances list | grep -v TERMINATED"

alias gssh="gcloud compute ssh --ssh-flag=\"-A\""

function gdel {
   gcloud compute instances delete $@
}

GCLOUD_DIR="$HOME/.config/gcloud"
function switch_gcp_project {
    if [[ $# -ne 1 ]]; then
      echo "Expected usage: \$ switch_gcp_project <project name>"
      echo ""
      echo "    Example: switch_gcp_project my-gcp-project"
      return 1
    fi

    if [[ ! -f $GCLOUD_DIR/configurations/config_$1 ]]; then
        echo "Configuration '$1' does not exist."
        echo "Existing configurations:"
        gcloud config configurations list
        return 2
    fi

    gcloud config configurations activate $1

    # When you do `cp src dest` and `dest` exists already,
    #   zsh/prezto's default behavior is to ask you if you really want to override.
    #   That is why we use `\cp src dest` (https://superuser.com/questions/179865/how-does-cp-work)
    \cp $GCLOUD_DIR/application_default_credentials.json.$1 \
       $GCLOUD_DIR/application_default_credentials.json
}