deploy

#!/usr/bin/env sh

set -o nounset
set -o errexit

warn () { echo "$0:" "$@" >&2; }
die () { rc=$1; shift; echo "$0 ($rc):" "$@"; exit "$rc"; }

[ -z "$BEARER_TOKEN" ]     && die 1 "Token \$BEARER_TOKEN undefined!";
[ -z "$SSH_DEPLOY_HOSTS" ] && die 1 "Deploy servers (\$SSH_DEPLOY_HOSTS) undefined!";
[ -z "$SSH_DEPLOY_USER" ]  && die 1 "Deploy user (\$SSH_DEPLOY_USER) undefined!";

# absolute paths
workingDir=$(pwd)
targetDir="$workingDir/platforms/browser/www"
deployDir="$workingDir/deploy.d"
configDir="$workingDir/configs"

# Prepare different versions for different configs
# The following will create a directory structure like
#   deploy/
#    ├─ haus-X/
#    └─ haus-Y/
# the content of which will then be deployed to the defined servers
mkdir "$deployDir"
for config in "$configDir"/*.config.dist.json; do
  # set token in config
  tempConfig="$(mktemp)"
  jq ".api.authorization=\"Bearer $BEARER_TOKEN\"" "$config" > "$tempConfig" || die "Could not set \$BEARER_TOKEN in $config."
  mv "$tempConfig" "$config"

  # derive name of this deploy from config file name
  deployName=$(echo "${config##*/}" | cut -d '.' -f 1) # haus-X.config.dist.json -> haus-X

  # create subdirectory for this version and descend into it
  deploySubDir="$deployDir/$deployName"
  mkdir "$deploySubDir"

  # copy files over
  cp --recursive "$targetDir"/* "$deploySubDir"

  # Change the base href of the index.html file
  sed -i "s#<base href=\"/\" />#<base href=\"/$deployName/\"/>#g" "$deploySubDir/index.html" || die 1 "Could not change base href"

  # finally copy corresponding config over
  cp "$config" "$deploySubDir/assets/config.json"
done

# deploy to servers
cd "$deployDir"
for deployHost in $SSH_DEPLOY_HOSTS; do
    tar cfz - ./* | ssh -i /root/.ssh/id_rsa "$SSH_DEPLOY_USER@$deployHost";
done