#!/bin/bash
set -e

RENDER_PROFILE=prod

sops decrypt $RENDER_PROFILE-config.enc.yaml > $RENDER_PROFILE-config.yaml

dockerContext=$(docker context inspect default | jq -r .[0].Endpoints.docker.Host)
if [[ $dockerContext == unix://* ]]; then # docker daemon runs on the same machine
  # use gomplate to render profiles
  docker run --rm -v .:/data hairyhenderson/gomplate:v4.3.1 --config /data/gomplate.yaml -c config=/data/$RENDER_PROFILE-config.yaml
  # invoke twice to fix file permission issue
  docker run --rm  -v .:/data hairyhenderson/gomplate:v4.3.1 --config /data/gomplate.yaml -c config=/data/$RENDER_PROFILE-config.yaml
else # docker won't work, possibly in ci
  curl -o /usr/local/bin/gomplate -sSL https://github.com/hairyhenderson/gomplate/releases/download/v4.3.1/gomplate_linux-amd64
  chmod 755 /usr/local/bin/gomplate
  /usr/local/bin/gomplate --config gomplate-ci.yaml -c config=$RENDER_PROFILE-config.yaml
fi

rm -f $RENDER_PROFILE-config.yaml

# check each profile to make sure they exists
# and convert to the cli
CONFIG_FILES=("-c" "docker-stack.base.yml")
# preview the full stack
echo "Stack config preview:"
cmd=(docker stack config "${CONFIG_FILES[@]}")
if "${cmd[@]}"; then
  echo "The above config will be used"
else
  echo "Command failed!"
  exit 1
fi

"${cmd[@]}" > compose.$RENDER_PROFILE.yaml
rm -f docker-stack.*.yml