destroy_kube.sh

#!/usr/bin/env bash

set -o errexit  # abort on nonzero exit status
set -o nounset  # abort on unbound variable
set -o pipefail # don't hide errors within pipes

# Don't pollute console output with upgrade notifications
export PULUMI_SKIP_UPDATE_CHECK=true
# Run Pulumi non-interactively
export PULUMI_SKIP_CONFIRMATIONS=true

script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"

if ! command -v pulumi >/dev/null; then
	if [ -x "${script_dir}/venv/bin/pulumi" ]; then
		echo "Adding to [${script_dir}/venv/bin] to PATH"
		export PATH="${script_dir}/venv/bin:$PATH"

		if ! command -v pulumi >/dev/null; then
			echo >&2 "Pulumi must be installed to continue"
			exit 1
		fi
	else
		echo >&2 "Pulumi must be installed to continue"
		exit 1
	fi
fi

if ! command -v python3 >/dev/null; then
	echo >&2 "Python 3 must be installed to continue"
	exit 1
fi

if ! command -v node >/dev/null; then
	if [ -x "${script_dir}/venv/bin/pulumi" ]; then
		echo "Adding to [${script_dir}/venv/bin] to PATH"
		export PATH="${script_dir}/venv/bin:$PATH"

		if ! command -v node >/dev/null; then
			echo >&2 "NodeJS must be installed to continue"
			exit 1
		fi
	else
		echo >&2 "NodeJS must be installed to continue"
		exit 1
	fi
fi

# Check to see if the user is logged into Pulumi
if ! pulumi whoami --non-interactive >/dev/null 2>&1; then
	pulumi login

	if ! pulumi whoami --non-interactive >/dev/null 2>&1; then
		echo >&2 "Unable to login to Pulumi - exiting"
		exit 2
	fi
fi

source "${script_dir}/../config/pulumi/environment"
echo "Configuring all Pulumi projects to use the stack: ${PULUMI_STACK}"

APPLICATIONS=(sirius)
KUBERNETES=(secrets observability logagent logstore certmgr prometheus)
NGINX=(kubernetes/nginx/ingress-controller-repo-only)
INFRA=(kubeconfig digitalocean/domk8s)

#
# This is a temporary process until we complete the directory reorg and move the start/stop
# process into more solid code.
#

# Destroy the application(s)
for project_dir in "${APPLICATIONS[@]}"; do
	echo "$project_dir"
	if [ -f "${script_dir}/../pulumi/python/kubernetes/applications/${project_dir}/Pulumi.yaml" ]; then
		pulumi_args="--cwd ${script_dir}/../pulumi/python/kubernetes/applications/${project_dir} --emoji --stack ${PULUMI_STACK}"
		pulumi $pulumi_args destroy
	else
		echo >&2 "Not destroying - Pulumi.yaml not found in directory: ${script_dir}/../pulumi/python/kubernetes/applications/${project_dir}"
	fi
done

# Destroy other K8 resources
for project_dir in "${KUBERNETES[@]}"; do
	echo "$project_dir"
	if [ -f "${script_dir}/../pulumi/python/kubernetes/${project_dir}/Pulumi.yaml" ]; then
		pulumi_args="--cwd ${script_dir}/../pulumi/python/kubernetes/${project_dir} --emoji --stack ${PULUMI_STACK}"
		pulumi $pulumi_args destroy
	else
		echo >&2 "Not destroying - Pulumi.yaml not found in directory: ${script_dir}/../pulumi/python/kubernetes/${project_dir}"
	fi
done

# TODO: figure out a more elegant way to do the CRD removal for prometheus #83
# This is a hack for now to remove the CRD's for prometheus-kube-stack
# See https://github.com/prometheus-community/helm-charts/blob/main/charts/kube-prometheus-stack/README.md#uninstall-chart
kubectl delete crd alertmanagerconfigs.monitoring.coreos.com >/dev/null 2>&1
kubectl delete crd alertmanagers.monitoring.coreos.com >/dev/null 2>&1
kubectl delete crd podmonitors.monitoring.coreos.com >/dev/null 2>&1
kubectl delete crd probes.monitoring.coreos.com >/dev/null 2>&1
kubectl delete crd prometheuses.monitoring.coreos.com >/dev/null 2>&1
kubectl delete crd prometheusrules.monitoring.coreos.com >/dev/null 2>&1
kubectl delete crd servicemonitors.monitoring.coreos.com >/dev/null 2>&1
kubectl delete crd thanosrulers.monitoring.coreos.com >/dev/null 2>&1

# Destroy NGINX components
for project_dir in "${NGINX[@]}"; do
	echo "$project_dir"
	if [ -f "${script_dir}/../pulumi/python/${project_dir}/Pulumi.yaml" ]; then
		pulumi_args="--cwd ${script_dir}/../pulumi/python/${project_dir} --emoji --stack ${PULUMI_STACK}"
		pulumi $pulumi_args destroy
	else
		echo >&2 "Not destroying - Pulumi.yaml not found in directory: ${script_dir}/../pulumi/python/${project_dir}"
	fi
done

# Clean up the kubeconfig project
for project_dir in "${INFRA[@]}"; do
	echo "$project_dir"
	if [ -f "${script_dir}/../pulumi/python/infrastructure/${project_dir}/Pulumi.yaml" ]; then
		pulumi_args="--cwd ${script_dir}/../pulumi/python/infrastructure/${project_dir} --emoji --stack ${PULUMI_STACK}"
		pulumi $pulumi_args destroy
	else
		echo >&2 "Not destroying - Pulumi.yaml not found in directory: ${script_dir}/../pulumi/python/infrastructure/${project_dir}"
	fi
done