#!/bin/bash

# Prerequisites:
#
# - Log in to the DigitalOcean docker registry
#   doctl registry login
#
# - Target the `zed-1` kubernetes cluster
#   doctl kubernetes cluster kubeconfig save zed-1

set -eu

if [[ $# < 1 ]]; then
  echo "Usage: $0 [production|staging|...]"
  exit 1
fi

export ZED_KUBE_NAMESPACE=$1
ENV_FILE="server/k8s/environments/${ZED_KUBE_NAMESPACE}.sh"
if [[ ! -f $ENV_FILE ]]; then
  echo "Invalid environment name '${ZED_KUBE_NAMESPACE}'"
  exit 1
fi

if [[ -n $(git status --short) ]]; then
  echo "Cannot deploy with uncommited changes"
  exit 1
fi

git_sha=$(git rev-parse HEAD)
export ZED_IMAGE_ID=registry.digitalocean.com/zed/zed-server:${ZED_KUBE_NAMESPACE}-${git_sha}
export $(cat $ENV_FILE)

docker build . --tag $ZED_IMAGE_ID
docker push $ZED_IMAGE_ID

envsubst < server/k8s/manifest.template.yml | kubectl apply -f -