entrypoint.sh

#!/bin/bash

set -e

if [ ! -z ${PATH_OVERRIDE+x} ]; then
	export PATH=${PATH_OVERRIDE}:${PATH}
fi;

## Install required versions
apt-get update && apt-get install -y \
	kubectl=${KUBECTL_VERSION}-1 \
	chamber=${CHAMBER_VERSION}-1 \
	helm=${HELM_VERSION}-1 \
	helmfile=${HELMFILE_VERSION}-1

helm plugin install https://github.com/databus23/helm-diff --version v${HELM_DIFF_VERSION} \
	&& helm plugin install https://github.com/aslafy-z/helm-git --version ${HELM_GIT_VERSION} \
	&& rm -rf $XDG_CACHE_HOME/helm

# Used for debugging
aws ${AWS_ENDPOINT_OVERRIDE:+--endpoint-url $AWS_ENDPOINT_OVERRIDE} sts --region ${AWS_REGION} get-caller-identity

# Login to Kubernetes Cluster.
aws ${AWS_ENDPOINT_OVERRIDE:+--endpoint-url $AWS_ENDPOINT_OVERRIDE} eks --region ${AWS_REGION} update-kubeconfig --name ${CLUSTER_NAME}

# Read platform specific configs/info
chamber export platform/${CLUSTER_NAME}/${ENVIRONMENT} --format yaml | yq --exit-status --no-colors  eval '{"platform": .}' - > /tmp/platform.yaml

APPLICATION_HELMFILE=$(pwd)/${HELMFILE_PATH}/${HELMFILE}

BASIC_ARGS="--namespace ${NAMESPACE} --environment ${ENVIRONMENT} --file ${APPLICATION_HELMFILE} --state-values-file /tmp/platform.yaml"
EXTRA_VALUES_ARGS=""
DEBUG_ARGS=""

if [[ "${HELM_DEBUG}" == "true" ]]; then
	DEBUG_ARGS=" --debug"
fi

if [[ -n "$HELM_VALUES_YAML" ]]; then
  echo -e "Using extra values:\n${HELM_VALUES_YAML}"
  HELM_VALUES_FILE="/tmp/extra_helm_values.yml"
  echo "$HELM_VALUES_YAML" > "$HELM_VALUES_FILE"
  EXTRA_VALUES_ARGS="--state-values-file /tmp/extra_helm_values.yml"
fi

if [[ "${OPERATION}" == "deploy" ]]; then
	OPERATION_COMMAND="helmfile ${BASIC_ARGS} ${EXTRA_VALUES_ARGS} ${DEBUG_ARGS} apply"
	echo "Executing: ${OPERATION_COMMAND}"
	${OPERATION_COMMAND}

	RELEASES=$(helmfile ${BASIC_ARGS} ${EXTRA_VALUES_ARGS} ${DEBUG_ARGS} list --output json | jq .[].name -r)
  for RELEASE in ${RELEASES}
  do
    echo "Processing release: ${RELEASE}"
    echo "Executing kubectl command: kubectl --namespace ${NAMESPACE} get -l ${RELEASE_LABEL_NAME}=${RELEASE} ${URL_RESOURCE_TYPE} -o json"
    ENTRYPOINT=$(kubectl --namespace ${NAMESPACE} get -l ${RELEASE_LABEL_NAME}=${RELEASE} ${URL_RESOURCE_TYPE} -o json | jq --raw-output '[.items[].metadata.annotations["outputs.webapp-url"]] | first')
    if [[ "${ENTRYPOINT}" != "" ]]; then
      echo "Found webapp-url for release ${RELEASE}: ${ENTRYPOINT}"
      echo "webapp-url=${ENTRYPOINT}" >> $GITHUB_OUTPUT
    else
      echo "No webapp-url found for release ${RELEASE}"
    fi
  done


elif [[ "${OPERATION}" == "destroy" ]]; then

	set +e
	kubectl get ns ${NAMESPACE}
	NAMESPACE_EXISTS=$?
	set -e

	if [[ ${NAMESPACE_EXISTS} -eq 0  ]]; then
		OPERATION_COMMAND="helmfile ${BASIC_ARGS} ${EXTRA_VALUES_ARGS} ${DEBUG_ARGS} destroy"
		echo "Executing: ${OPERATION_COMMAND}"
		${OPERATION_COMMAND}

		RELEASES_COUNTS=$(helm --namespace ${NAMESPACE} list --output json | jq 'length')

    if [[ "${RELEASES_COUNTS}" == "0" ]]; then
    	kubectl delete ns ${NAMESPACE}
    fi
  fi
fi