Canonical Engineering Onboarding -- handy utilities

onboarding-utils.sh

#!/usr/bin/env bash

confirm_prompt() {
    while true
    do
        read -p "${*:-"Are you certain you would like to continue?"} [y/n] " yn
        
        case $yn in
            [Yy]* ) break;;
            [Nn]* ) exit;;
            * ) echo "Please answer yes or no.";;
        esac
    done
}

watch_juju_status() {
    watch -c -n3 juju status --color=true
}

destroy_zaza() {
    echo "This function will destroy all zaza models, servers, and volumes."
    confirm_prompt

    echo "Grab a coffee or a tea -- this will take a very long time..."

    echo "=> Destroying Juju models..."
    for m in $(juju list-models --format json | jq --raw-output '.models | .[]."short-name" | match("^zaza-[[:alnum:]]+").string')
    do
        echo "-> Destroy model: ${m}"
        juju destroy-model --destroy-storage -y "${m}"
    done

    echo "=> Destroying servers..."
    for s in $(openstack server list | grep zaza | awk '{print $4}')
    do 
        echo "-> Destroy server: ${s}"
        openstack server delete "${s}"
    done

    echo "=> Destroying volumes..."
    for v in $(cinder list | grep zaza | awk '{print $6}')
    do
        echo "-> Destroy volume: ${v}"
        cinder delete "${v}"
    done
}

destroy_bastion_leftovers() {
    echo "This function will destroy all leftover servers and volumes in the Juju default model."
    confirm_prompt

    echo "=> Destroying servers..."
    for s in $(openstack server list | grep -E "juju-[[:alnum:]]+-default" | awk '{print $4}')
    do 
        echo "-> Destroy server: ${s}"
        openstack server delete "${s}"
    done

    echo "=> Destroying volumes..."
    for v in $(cinder list | grep -E "juju-[[:alnum:]]+-default" | awk '{print $6}')
    do
        echo "-> Destroy volume: ${v}"
        cinder delete "${v}"
    done
}