#!/bin/bash

# Copyright (C) The Arvados Authors. All rights reserved.
#
# SPDX-License-Identifier: CC-BY-SA-3.0

# If you want to test arvados in a single host, you can run this script, which
# will install it using salt masterless
# This script is run by the Vagrant file when you run it with
#
# vagrant up

set -eu
set -o pipefail

# capture the directory that the script is running from
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"

usage() {
  echo >&2
  echo >&2 "Usage: ${0} [-h] [-h]"
  echo >&2
  echo >&2 "${0} options:"
  echo >&2 "  -d, --debug                                 Run salt installation in debug mode"
  echo >&2 "  -c <local.params>, --config <local.params>  Path to the local.params config file"
  echo >&2 "  -t, --test                                  Test cluster by running \`arvados-client diagnostics\`"
  echo >&2 "                                              and a simple workflow"
  echo >&2 "  -r, --roles                                 List of Arvados roles to apply to the host, comma separated"
  echo >&2 "                                              Possible values are:"
  echo >&2 "                                                balancer"
  echo >&2 "                                                controller"
  echo >&2 "                                                dispatcher"
  echo >&2 "                                                keepproxy"
  echo >&2 "                                                keepbalance"
  echo >&2 "                                                keepstore"
  echo >&2 "                                                keepweb"
  echo >&2 "                                                monitoring"
  echo >&2 "                                                shell"
  echo >&2 "                                                webshell"
  echo >&2 "                                                websocket"
  echo >&2 "                                                workbench"
  echo >&2 "                                                workbench2"
  echo >&2 "                                              Defaults to applying them all"
  echo >&2 "  -h, --help                                  Display this help and exit"
  echo >&2 "  --dump-config <dest_dir>                    Dumps the pillars and states to a directory"
  echo >&2 "                                              This parameter does not perform any installation at all. It's"
  echo >&2 "                                              intended to give you a parsed set of configuration files so"
  echo >&2 "                                              you can inspect them or use them in you Saltstack infrastructure."
  echo >&2 "                                              It"
  echo >&2 "                                                - parses the pillar and states templates,"
  echo >&2 "                                                - downloads the helper formulas with their desired versions,"
  echo >&2 "                                                - prepares the 'top.sls' files both for pillars and states"
  echo >&2 "                                                  for the selected role(s)"
  echo >&2 "                                                - writes the resulting files into <dest_dir>"
  echo >&2 "  -v, --vagrant                               Run in vagrant and use the /vagrant shared dir"
  echo >&2 "  --development                               Run in dev mode, using snakeoil certs"
  echo >&2
}

arguments() {
  # NOTE: This requires GNU getopt (part of the util-linux package on Debian-based distros).
  if ! which getopt > /dev/null; then
    echo >&2 "GNU getopt is required to run this script. Please install it and re-reun it"
    exit 1
  fi

  TEMP=$(getopt -o c:dhp:r:tv \
    --long config:,debug,development,dump-config:,help,roles:,test,vagrant \
    -n "${0}" -- "${@}")

  if [ ${?} != 0 ];
    then echo "Please check the parameters you entered and re-run again"
    exit 1
  fi
  # Note the quotes around `$TEMP': they are essential!
  eval set -- "$TEMP"

  while [ ${#} -ge 1 ]; do
    case ${1} in
      -c | --config)
        CONFIG_FILE=${2}
        shift 2
        ;;
      -d | --debug)
        LOG_LEVEL="debug"
        shift
        set -x
        ;;
      --dump-config)
        if [[ ${2} = /* ]]; then
          DUMP_SALT_CONFIG_DIR=${2}
        else
          DUMP_SALT_CONFIG_DIR=${PWD}/${2}
        fi
        ## states
        S_DIR="${DUMP_SALT_CONFIG_DIR}/salt"
        ## formulas
        F_DIR="${DUMP_SALT_CONFIG_DIR}/formulas"
        ## pillars
        P_DIR="${DUMP_SALT_CONFIG_DIR}/pillars"
        ## tests
        T_DIR="${DUMP_SALT_CONFIG_DIR}/tests"
        DUMP_CONFIG="yes"
        shift 2
        ;;
      --development)
        DEV_MODE="yes"
        shift 1
        ;;
      -r | --roles)
        for i in ${2//,/ }
          do
            # Verify the role exists
            if [[ ! "database,balancer,controller,keepstore,websocket,keepweb,workbench2,webshell,keepbalance,keepproxy,shell,workbench,dispatcher,monitoring" == *"$i"* ]]; then
              echo "The role '${i}' is not a valid role"
              usage
              exit 1
            fi
            ROLES="${ROLES:-} ${i}"
          done
          shift 2
        ;;
      -t | --test)
        TEST="yes"
        shift
        ;;
      -v | --vagrant)
        VAGRANT="yes"
        shift
        ;;
      --)
        shift
        break
        ;;
      *)
        usage
        exit 1
        ;;
    esac
  done
}

copy_custom_cert() {
  cert_dir=${1}
  cert_name=${2}

  mkdir -p --mode=0700 /srv/salt/certs

  if [ -f ${cert_dir}/${cert_name}.crt ]; then
    install --mode=0600 ${cert_dir}/${cert_name}.crt /srv/salt/certs/arvados-${cert_name}.pem
  else
    echo "${cert_dir}/${cert_name}.crt does not exist. Exiting"
    exit 1
  fi
  if [ -f ${cert_dir}/${cert_name}.key ]; then
    install --mode=0600 ${cert_dir}/${cert_name}.key /srv/salt/certs/arvados-${cert_name}.key
  else
    echo "${cert_dir}/${cert_name}.key does not exist. Exiting"
    exit 1
  fi
}

apply_var_substitutions() {
  local SRCFILE=$1
  local DSTFILE=$2
  sed "s#__ANONYMOUS_USER_TOKEN__#${ANONYMOUS_USER_TOKEN}#g;
       s#__BLOB_SIGNING_KEY__#${BLOB_SIGNING_KEY}#g;
       s#__CONTROLLER_EXT_SSL_PORT__#${CONTROLLER_EXT_SSL_PORT}#g;
       s#__CLUSTER__#${CLUSTER}#g;
       s#__DOMAIN__#${DOMAIN}#g;
       s#__HOSTNAME_EXT__#${HOSTNAME_EXT}#g;
       s#__IP_INT__#${IP_INT}#g;
       s#__INITIAL_USER_EMAIL__#${INITIAL_USER_EMAIL}#g;
       s#__INITIAL_USER_PASSWORD__#${INITIAL_USER_PASSWORD}#g;
       s#__INITIAL_USER__#${INITIAL_USER}#g;
       s#__LE_AWS_REGION__#${LE_AWS_REGION:-}#g;
       s#__LE_AWS_SECRET_ACCESS_KEY__#${LE_AWS_SECRET_ACCESS_KEY:-}#g;
       s#__LE_AWS_ACCESS_KEY_ID__#${LE_AWS_ACCESS_KEY_ID:-}#g;
       s#__DATABASE_NAME__#${DATABASE_NAME}#g;
       s#__DATABASE_USER__#${DATABASE_USER}#g;
       s#__DATABASE_PASSWORD__#${DATABASE_PASSWORD}#g;
       s#__DATABASE_INT_IP__#${DATABASE_INT_IP:-}#g;
       s#__DATABASE_EXTERNAL_SERVICE_HOST_OR_IP__#${DATABASE_EXTERNAL_SERVICE_HOST_OR_IP:-}#g;
       s#__DATABASE_POSTGRESQL_VERSION__#${DATABASE_POSTGRESQL_VERSION}#g;
       s#__KEEPWEB_EXT_SSL_PORT__#${KEEPWEB_EXT_SSL_PORT}#g;
       s#__KEEP_EXT_SSL_PORT__#${KEEP_EXT_SSL_PORT}#g;
       s#__MANAGEMENT_TOKEN__#${MANAGEMENT_TOKEN}#g;
       s#__RELEASE__#${RELEASE}#g;
       s#__SYSTEM_ROOT_TOKEN__#${SYSTEM_ROOT_TOKEN}#g;
       s#__VERSION__#${VERSION}#g;
       s#__WEBSHELL_EXT_SSL_PORT__#${WEBSHELL_EXT_SSL_PORT}#g;
       s#__WEBSOCKET_EXT_SSL_PORT__#${WEBSOCKET_EXT_SSL_PORT}#g;
       s#__WORKBENCH1_EXT_SSL_PORT__#${WORKBENCH1_EXT_SSL_PORT}#g;
       s#__WORKBENCH2_EXT_SSL_PORT__#${WORKBENCH2_EXT_SSL_PORT}#g;
       s#__CLUSTER_INT_CIDR__#${CLUSTER_INT_CIDR}#g;
       s#__CONTROLLER_INT_IP__#${CONTROLLER_INT_IP}#g;
       s#__WEBSOCKET_INT_IP__#${WEBSOCKET_INT_IP}#g;
       s#__KEEP_INT_IP__#${KEEP_INT_IP}#g;
       s#__KEEPSTORE0_INT_IP__#${KEEPSTORE0_INT_IP}#g;
       s#__KEEPWEB_INT_IP__#${KEEPWEB_INT_IP}#g;
       s#__WEBSHELL_INT_IP__#${WEBSHELL_INT_IP}#g;
       s#__SHELL_INT_IP__#${SHELL_INT_IP}#g;
       s#__WORKBENCH1_INT_IP__#${WORKBENCH1_INT_IP}#g;
       s#__WORKBENCH2_INT_IP__#${WORKBENCH2_INT_IP}#g;
       s#__SSL_KEY_ENCRYPTED__#${SSL_KEY_ENCRYPTED}#g;
       s#__SSL_KEY_AWS_REGION__#${SSL_KEY_AWS_REGION:-}#g;
       s#__SSL_KEY_AWS_SECRET_NAME__#${SSL_KEY_AWS_SECRET_NAME}#g;
       s#__CONTROLLER_MAX_WORKERS__#${CONTROLLER_MAX_WORKERS:-}#g;
       s#__CONTROLLER_MAX_QUEUED_REQUESTS__#${CONTROLLER_MAX_QUEUED_REQUESTS:-128}#g;
       s#__CONTROLLER_MAX_GATEWAY_TUNNELS__#${CONTROLLER_MAX_GATEWAY_TUNNELS:-1000}#g;
       s#__MONITORING_USERNAME__#${MONITORING_USERNAME}#g;
       s#__MONITORING_EMAIL__#${MONITORING_EMAIL}#g;
       s#__MONITORING_PASSWORD__#${MONITORING_PASSWORD}#g;
       s#__DISPATCHER_SSH_PRIVKEY__#${DISPATCHER_SSH_PRIVKEY//$'\n'/\\n}#g;
       s#__ENABLE_BALANCER__#${ENABLE_BALANCER}#g;
       s#__DISABLED_CONTROLLER__#${DISABLED_CONTROLLER}#g;
       s#__BALANCER_NODENAME__#${ROLE2NODES['balancer']:-}#g;
       s#__PROMETHEUS_NODENAME__#${ROLE2NODES['monitoring']:-}#g;
       s#__PROMETHEUS_DATA_RETENTION_TIME__#${PROMETHEUS_DATA_RETENTION_TIME:-15d}#g;
       s#__LOKI_AWS_S3_ACCESS_KEY_ID__#${LOKI_AWS_S3_ACCESS_KEY_ID:-}#g;
       s#__LOKI_AWS_S3_SECRET_ACCESS_KEY__#${LOKI_AWS_S3_SECRET_ACCESS_KEY:-}#g;
       s#__LOKI_AWS_S3_BUCKET__#${LOKI_AWS_S3_BUCKET:-}#g;
       s#__LOKI_LOG_RETENTION_TIME__#${LOKI_LOG_RETENTION_TIME:-15d}#g;
       s#__LOKI_AWS_REGION__#${LOKI_AWS_REGION:-}#g;
       s#__CONTROLLER_NODES__#${ROLE2NODES['controller']:-}#g;
       s#__NODELIST__#${NODELIST}#g;
       s#__DISPATCHER_INT_IP__#${DISPATCHER_INT_IP}#g;
       s#__KEEPBALANCE_INT_IP__#${KEEPBALANCE_INT_IP}#g;
       s#__COMPUTE_AMI__#${COMPUTE_AMI:-}#g;
       s#__COMPUTE_SG__#${COMPUTE_SG:-}#g;
       s#__COMPUTE_SUBNET__#${COMPUTE_SUBNET:-}#g;
       s#__COMPUTE_AWS_REGION__#${COMPUTE_AWS_REGION:-}#g;
       s#__COMPUTE_USER__#${COMPUTE_USER:-}#g;
       s#__KEEP_AWS_S3_BUCKET__#${KEEP_AWS_S3_BUCKET:-}#g;
       s#__KEEP_AWS_IAM_ROLE__#${KEEP_AWS_IAM_ROLE:-}#g;
       s#__KEEP_AWS_REGION__#${KEEP_AWS_REGION:-}#g" \
  "${SRCFILE}" > "${DSTFILE}"
}

DEV_MODE="no"
CONFIG_FILE="${SCRIPT_DIR}/local.params"
CONFIG_DIR="local_config_dir"
DUMP_CONFIG="no"
LOG_LEVEL="info"
CONTROLLER_EXT_SSL_PORT=443
TESTS_DIR="tests"

NGINX_INSTALL_SOURCE="install_from_repo"

CLUSTER=""
DOMAIN=""

# Hostnames/IPs used for single-host deploys
IP_INT="127.0.1.1"

# Initial user setup
INITIAL_USER=""
INITIAL_USER_EMAIL=""
INITIAL_USER_PASSWORD=""

CONTROLLER_EXT_SSL_PORT=8000
KEEP_EXT_SSL_PORT=25101
# Both for collections and downloads
KEEPWEB_EXT_SSL_PORT=9002
WEBSHELL_EXT_SSL_PORT=4202
WEBSOCKET_EXT_SSL_PORT=8002
WORKBENCH1_EXT_SSL_PORT=443
WORKBENCH2_EXT_SSL_PORT=3001

SSL_MODE="self-signed"
USE_LETSENCRYPT_ROUTE53="no"
CUSTOM_CERTS_DIR="${SCRIPT_DIR}/local_config_dir/certs"

GRAFANA_DASHBOARDS_DIR="${SCRIPT_DIR}/local_config_dir/dashboards"

## These are ARVADOS-related parameters
# For a stable release, change RELEASE "production" and VERSION to the
# package version (including the iteration, e.g. X.Y.Z-1) of the
# release.
# The "local.params.example.*" files already set "RELEASE=production"
# to deploy  production-ready packages
RELEASE="development"
VERSION="latest"

# These are arvados-formula-related parameters
# An arvados-formula tag. For a stable release, this should be a
# branch name (e.g. X.Y-dev) or tag for the release.
# ARVADOS_TAG="2.2.0"
# BRANCH="main"

# We pin the salt version to avoid potential incompatibilities when a new
# stable version is released.
SALT_VERSION="3006"

# Other formula versions we depend on
POSTGRES_TAG="a809e03bad115bbdf24ad347e2dc9a52e144c31f"
POSTGRES_URL="https://github.com/arvados/postgres-formula.git"
NGINX_TAG="v2.8.1"
DOCKER_TAG="v2.4.2"
LOCALE_TAG="v0.3.5"
LETSENCRYPT_TAG="v3.2.0"
LOGROTATE_TAG="v0.14.0"
PROMETHEUS_TAG="v5.6.5"
GRAFANA_TAG="v3.1.3"

# Salt's dir
DUMP_SALT_CONFIG_DIR=""
## states
S_DIR="/srv/salt"
STATES_TOP=${S_DIR}/top.sls
## formulas
F_DIR="/srv/formulas"
## pillars
P_DIR="/srv/pillars"
PILLARS_TOP=${P_DIR}/top.sls
## tests
T_DIR="/tmp/cluster_tests"

arguments ${@}

declare -A NODES
declare -A ROLE2NODES
declare NODELIST

source common.sh

if [ ! -d ${CONFIG_DIR} ]; then
  echo >&2 "You don't seem to have a config directory with pillars and states."
  echo >&2 "Please create a '${CONFIG_DIR}' directory (as configured in your '${CONFIG_FILE}'). Please see"
  echo >&2 "  * https://doc.arvados.org/install/salt-single-host.html#single_host, or"
  echo >&2 "  * https://doc.arvados.org/install/salt-multi-host.html#multi_host_multi_hostnames"
  exit 1
fi

if grep -rni 'fixme' ${CONFIG_FILE}.secrets ${CONFIG_FILE} ${CONFIG_DIR} ; then
  echo >&2 "The config files has some parameters that need to be modified."
  echo >&2 "Please, fix them and re-run the provision script."
  exit 1
fi

if ! grep -qE '^[[:alnum:]]{5}$' <<<${CLUSTER} ; then
  echo >&2 "ERROR: <CLUSTER> must be exactly 5 lowercase alphanumeric characters long"
  echo >&2 "Fix the cluster name in the 'local.params' file and re-run the provision script"
  exit 1
fi

# Only used in single_host/single_name deploys
if [ ! -z "${HOSTNAME_EXT:-}" ] ; then
  # We need to add some extra control vars to manage a single certificate vs. multiple
  USE_SINGLE_HOSTNAME="yes"
  # Make sure that the value configured as IP_INT is a real IP on the system.
  # If we don't error out early here when there is a mismatch, the formula will
  # fail with hard to interpret nginx errors later on.
  ip addr list |grep "${IP_INT}/" >/dev/null
  if [[ $? -ne 0 ]]; then
    echo "Unable to find the IP_INT address '${IP_INT}' on the system, please correct the value in local.params. Exiting..."
    exit 1
  fi
else
  USE_SINGLE_HOSTNAME="no"
  # We set this variable, anyway, so sed lines do not fail and we don't need to add more
  # conditionals
  HOSTNAME_EXT="${DOMAIN}"
fi

if [ "${DUMP_CONFIG}" = "yes" ]; then
  echo "The provision installer will just dump a config under ${DUMP_SALT_CONFIG_DIR} and exit"
else
  # Read the variables of /etc/os-release but prefix their names with `_OS_`
  # to avoid name conflicts.
  eval "$(awk '(/^[A-Z_]+=/) { print "_OS_" $0 }' /etc/os-release)"
  echo "Detected distro families: ${_OS_ID:-} ${_OS_ID_LIKE:-}"

  # Several of our formulas use the cron module, which requires the crontab
  # command. We install systemd-cron to ensure we have that.
  # The rest of these packages are required by the rest of the script.
  for OS_ID in ${_OS_ID:-} ${_OS_ID_LIKE:-}; do
    case "$OS_ID" in
      rhel)
        echo "WARNING! Disabling SELinux, see https://dev.arvados.org/issues/18019"
        sed -i 's/SELINUX=enforcing/SELINUX=permissive/g' /etc/sysconfig/selinux
        setenforce permissive
        yum install -y curl git jq systemd-cron
        if command -v salt-call >/dev/null; then
            echo "Salt already installed"
            break
        fi
        curl -L https://bootstrap.saltstack.com -o /tmp/bootstrap_salt.sh
        sh /tmp/bootstrap_salt.sh -XdfP -x python3 stable ${SALT_VERSION}
        break
        ;;
      debian)
        DEBIAN_FRONTEND=noninteractive apt-get -o DPkg::Lock::Timeout=120 update
        # This list includes our own dependencies, plus depdencies necessary
        # to retrieve the Salt apt repository.
        DEBIAN_FRONTEND=noninteractive apt-get install -y \
                                       apt-transport-https ca-certificates curl git gnupg jq systemd-cron
        if command -v salt-call >/dev/null; then
            echo "Salt already installed"
            break
        fi
        salt_apt_url="https://repo.saltproject.io/salt/py3/$_OS_ID/$_OS_VERSION_ID/$(dpkg --print-architecture)"
        salt_apt_key=SALT-PROJECT-GPG-PUBKEY-2023.gpg
        install -d -m 755 /etc/apt/keyrings
        curl -fsSL -o "/etc/apt/keyrings/$salt_apt_key" "$salt_apt_url/$salt_apt_key"
        chmod go+r "/etc/apt/keyrings/$salt_apt_key"
        install -b -m 644 /dev/stdin "/etc/apt/sources.list.d/salt$SALT_VERSION.sources" <<EOFSOURCES
Types: deb
URIs: $salt_apt_url/$SALT_VERSION
Suites: $_OS_VERSION_CODENAME
Components: main
Signed-by: /etc/apt/keyrings/$salt_apt_key
EOFSOURCES
        DEBIAN_FRONTEND=noninteractive apt-get -o DPkg::Lock::Timeout=120 update
        DEBIAN_FRONTEND=noninteractive apt-get install -y salt-minion
        break
        ;;
    esac
  done

  # Set salt to masterless mode
  systemctl disable --now salt-minion.service
  cat > /etc/salt/minion << EOFSM
failhard: "True"

file_client: local
file_roots:
  base:
    - ${S_DIR}
    - ${F_DIR}/*

pillar_roots:
  base:
    - ${P_DIR}
EOFSM
fi

mkdir -p ${S_DIR} ${F_DIR} ${P_DIR} ${T_DIR}

# Get the formula and dependencies
cd ${F_DIR} || exit 1
echo "Cloning formulas"
test -d docker && ( cd docker && git fetch ) \
  || git clone --quiet https://github.com/saltstack-formulas/docker-formula.git ${F_DIR}/docker
( cd docker && git checkout --quiet tags/"${DOCKER_TAG}" )

echo "...locale"
test -d locale && ( cd locale && git fetch ) \
  || git clone --quiet https://github.com/saltstack-formulas/locale-formula.git ${F_DIR}/locale
( cd locale && git checkout --quiet tags/"${LOCALE_TAG}" )

echo "...nginx"
test -d nginx && ( cd nginx && git fetch ) \
  || git clone --quiet https://github.com/saltstack-formulas/nginx-formula.git ${F_DIR}/nginx
( cd nginx && git checkout --quiet tags/"${NGINX_TAG}" )

echo "...postgres"
test -d postgres && ( cd postgres && git fetch ) \
  || git clone --quiet ${POSTGRES_URL} ${F_DIR}/postgres
( cd postgres && git checkout --quiet "${POSTGRES_TAG}" )

echo "...prometheus"
test -d prometheus && ( cd prometheus && git fetch ) \
  || git clone --quiet https://github.com/saltstack-formulas/prometheus-formula.git ${F_DIR}/prometheus
( cd prometheus && git checkout --quiet tags/"${PROMETHEUS_TAG}" )

echo "...grafana"
test -d grafana && ( cd grafana && git fetch ) \
  || git clone --quiet https://github.com/saltstack-formulas/grafana-formula.git ${F_DIR}/grafana
( cd grafana && git checkout --quiet "${GRAFANA_TAG}" )

echo "...letsencrypt"
test -d letsencrypt && ( cd letsencrypt && git fetch ) \
  || git clone --quiet https://github.com/saltstack-formulas/letsencrypt-formula.git ${F_DIR}/letsencrypt
( cd letsencrypt && git checkout --quiet tags/"${LETSENCRYPT_TAG}" )

echo "...logrotate"
test -d logrotate && ( cd logrotate && git fetch ) \
  || git clone --quiet https://github.com/saltstack-formulas/logrotate-formula.git ${F_DIR}/logrotate
( cd logrotate && git checkout --quiet tags/"${LOGROTATE_TAG}" )

echo "...arvados"
test -d arvados || git clone --quiet https://git.arvados.org/arvados-formula.git ${F_DIR}/arvados

# If we want to try a specific branch of the formula
if [[ ! -z "${BRANCH:-}" && "x${BRANCH}" != "xmain" ]]; then
  ( cd ${F_DIR}/arvados && git fetch && git checkout --quiet "${BRANCH}" || git checkout --quiet -t origin/"${BRANCH}" -b "${BRANCH}" )
elif [ "x${ARVADOS_TAG:-}" != "x" ]; then
  ( cd ${F_DIR}/arvados && git checkout --quiet tags/"${ARVADOS_TAG}" -b "${ARVADOS_TAG}" )
fi

if [ "x${VAGRANT:-}" = "xyes" ]; then
  EXTRA_STATES_DIR="/home/vagrant/${CONFIG_DIR}/states"
  SOURCE_PILLARS_DIR="/home/vagrant/${CONFIG_DIR}/pillars"
  SOURCE_TOFS_DIR="/home/vagrant/${CONFIG_DIR}/tofs"
  SOURCE_TESTS_DIR="/home/vagrant/${TESTS_DIR}"
else
  EXTRA_STATES_DIR="${SCRIPT_DIR}/${CONFIG_DIR}/states"
  SOURCE_PILLARS_DIR="${SCRIPT_DIR}/${CONFIG_DIR}/pillars"
  SOURCE_TOFS_DIR="${SCRIPT_DIR}/${CONFIG_DIR}/tofs"
  SOURCE_TESTS_DIR="${SCRIPT_DIR}/${TESTS_DIR}"
fi

SOURCE_STATES_DIR="${EXTRA_STATES_DIR}"

echo "Writing pillars and states"

# Replace variables (cluster,  domain, etc) in the pillars, states and tests
# to ease deployment for newcomers
if [ ! -d "${SOURCE_PILLARS_DIR}" ]; then
  echo "${SOURCE_PILLARS_DIR} does not exist or is not a directory. Exiting."
  exit 1
fi
for f in $(ls "${SOURCE_PILLARS_DIR}"/*); do
  apply_var_substitutions "${f}" "${P_DIR}"/$(basename "${f}")
done

if [ ! -d "${SOURCE_TESTS_DIR}" ]; then
  echo "WARNING: The tests directory was not copied to \"${SOURCE_TESTS_DIR}\"."
  if [ "x${TEST:-}" = "xyes" ]; then
    echo "WARNING: Disabling tests for this installation."
  fi
  TEST="no"
else
  mkdir -p ${T_DIR}
  # Replace cluster and domain name in the test files
  for f in $(ls "${SOURCE_TESTS_DIR}"/*); do
    FILTERS="s#__CLUSTER__#${CLUSTER}#g;
         s#__CONTROLLER_EXT_SSL_PORT__#${CONTROLLER_EXT_SSL_PORT}#g;
         s#__DOMAIN__#${DOMAIN}#g;
         s#__IP_INT__#${IP_INT}#g;
         s#__INITIAL_USER_EMAIL__#${INITIAL_USER_EMAIL}#g;
         s#__INITIAL_USER_PASSWORD__#${INITIAL_USER_PASSWORD}#g
         s#__INITIAL_USER__#${INITIAL_USER}#g;
         s#__DATABASE_PASSWORD__#${DATABASE_PASSWORD}#g;
         s#__SYSTEM_ROOT_TOKEN__#${SYSTEM_ROOT_TOKEN}#g"
    if [ "$USE_SINGLE_HOSTNAME" = "yes" ]; then
      FILTERS="s#__CLUSTER__.__DOMAIN__#${HOSTNAME_EXT}#g;
         $FILTERS"
    fi
    sed "$FILTERS" \
      "${f}" > ${T_DIR}/$(basename "${f}")
  done
  chmod 755 ${T_DIR}/run-test.sh
fi

# Replace helper state files that differ from the formula's examples
if [ -d "${SOURCE_STATES_DIR}" ]; then
  mkdir -p "${F_DIR}"/extra/extra
  rm -rf "${F_DIR}"/extra/extra/*

  for f in $(ls "${SOURCE_STATES_DIR}"/*); do
    apply_var_substitutions "${f}" "${F_DIR}/extra/extra"/$(basename "${f}")
  done
fi

# Now, we build the SALT states/pillars trees
# As we need to separate both states and pillars in case we want specific
# roles, we iterate on both at the same time

# Formula template overrides (TOFS)
# See: https://template-formula.readthedocs.io/en/latest/TOFS_pattern.html#template-override
if [ -d ${SOURCE_TOFS_DIR} ]; then
  find ${SOURCE_TOFS_DIR} -mindepth 1 -maxdepth 1 -type d -exec cp -r "{}" ${S_DIR} \;
fi

# States
cat > ${STATES_TOP} << EOFTSLS
base:
  '*':
    - locale
EOFTSLS

# Pillars
cat > ${PILLARS_TOP} << EOFPSLS
base:
  '*':
    - locale
    - arvados
EOFPSLS

# States, extra states
if [ -d "${F_DIR}"/extra/extra ]; then
  SKIP_SNAKE_OIL="snakeoil_certs"

  if [[ "$DEV_MODE" = "yes" || "${SSL_MODE}" == "self-signed" ]] ; then
    # In dev mode, we create some snake oil certs that we'll
    # use as CUSTOM_CERTS, so we don't skip the states file.
    # Same when using self-signed certificates.
    SKIP_SNAKE_OIL="dont_add_snakeoil_certs"
  fi
  for f in $(ls "${F_DIR}"/extra/extra/*.sls | egrep -v "${SKIP_SNAKE_OIL}|shell_"); do
  echo "    - extra.$(basename ${f} | sed 's/.sls$//g')" >> ${STATES_TOP}
  done
  # Use byo or self-signed certificates
  if [ "${SSL_MODE}" != "lets-encrypt" ]; then
    mkdir -p "${F_DIR}"/extra/extra/files
  fi
fi

# If we want specific roles for a node, just add the desired states
# and its dependencies
if [ -z "${ROLES:-}" ]; then
  # States
  echo "    - nginx.passenger" >> ${STATES_TOP}
  if [ "${SSL_MODE}" = "lets-encrypt" ]; then
    if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
      grep -q "aws_credentials" ${STATES_TOP} || echo "    - extra.aws_credentials" >> ${STATES_TOP}
    fi
    grep -q "letsencrypt" ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
  else
    mkdir -p --mode=0700 /srv/salt/certs
    if [ "${SSL_MODE}" = "bring-your-own" ]; then
      # Copy certs to formula extra/files
      install --mode=0600 ${CUSTOM_CERTS_DIR}/* /srv/salt/certs/
      # We add the custom_certs state
      grep -q "custom_certs" ${STATES_TOP} || echo "    - extra.custom_certs" >> ${STATES_TOP}
      if [ "${SSL_KEY_ENCRYPTED}" = "yes" ]; then
        grep -q "ssl_key_encrypted" ${STATES_TOP} || echo "    - extra.ssl_key_encrypted" >> ${STATES_TOP}
      fi
    fi
    # In self-signed mode, the certificate files will be created and put in the
    # destination directory by the snakeoil_certs.sls state file
  fi

  echo "    - postgres" >> ${STATES_TOP}
  echo "    - logrotate" >> ${STATES_TOP}
  echo "    - docker.software" >> ${STATES_TOP}
  echo "    - arvados.repo" >> ${STATES_TOP}
  echo "    - arvados.config" >> ${STATES_TOP}
  echo "    - arvados.ruby" >> ${STATES_TOP}
  echo "    - arvados.api" >> ${STATES_TOP}
  echo "    - arvados.controller" >> ${STATES_TOP}
  echo "    - arvados.keepstore" >> ${STATES_TOP}
  echo "    - arvados.websocket" >> ${STATES_TOP}
  echo "    - arvados.keepweb" >> ${STATES_TOP}
  echo "    - arvados.workbench2" >> ${STATES_TOP}
  echo "    - arvados.keepproxy" >> ${STATES_TOP}
  echo "    - arvados.shell" >> ${STATES_TOP}
  echo "    - arvados.dispatcher" >> ${STATES_TOP}
  echo "    - extra.shell_sudo_passwordless" >> ${STATES_TOP}
  echo "    - extra.shell_cron_add_login_sync" >> ${STATES_TOP}
  echo "    - extra.passenger_rvm" >> ${STATES_TOP}
  echo "    - extra.workbench1_uninstall" >> ${STATES_TOP}

  # Pillars
  echo "    - docker" >> ${PILLARS_TOP}
  echo "    - nginx_api_configuration" >> ${PILLARS_TOP}
  echo "    - logrotate" >> ${PILLARS_TOP}
  echo "    - logrotate_api" >> ${PILLARS_TOP}
  echo "    - nginx_controller_configuration" >> ${PILLARS_TOP}
  echo "    - nginx_keepproxy_configuration" >> ${PILLARS_TOP}
  echo "    - nginx_keepweb_configuration" >> ${PILLARS_TOP}
  echo "    - nginx_passenger" >> ${PILLARS_TOP}
  echo "    - nginx_websocket_configuration" >> ${PILLARS_TOP}
  echo "    - nginx_webshell_configuration" >> ${PILLARS_TOP}
  echo "    - nginx_workbench2_configuration" >> ${PILLARS_TOP}
  echo "    - nginx_workbench_configuration" >> ${PILLARS_TOP}
  echo "    - logrotate_wb1" >> ${PILLARS_TOP}
  echo "    - postgresql" >> ${PILLARS_TOP}

  # We need to tweak the Nginx's pillar depending whether we want plan nginx or nginx+passenger
  NGINX_INSTALL_SOURCE="install_from_phusionpassenger"
  sed -i "s/__NGINX_INSTALL_SOURCE__/${NGINX_INSTALL_SOURCE}/g" ${P_DIR}/nginx_passenger.sls

  if [ "${SSL_MODE}" = "lets-encrypt" ]; then
    if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
      grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
    fi
    grep -q "letsencrypt" ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}

    hosts=("controller" "websocket" "workbench" "workbench2" "webshell" "keepproxy")
    if [ ${USE_SINGLE_HOSTNAME} = "no" ]; then
      hosts+=("download" "collections")
    else
      hosts+=("keepweb")
    fi

    for c in "${hosts[@]}"; do
      # Are we in a single-host-single-hostname env?
      if [ "${USE_SINGLE_HOSTNAME}" = "yes" ]; then
        # Are we in a single-host-single-hostname env?
        CERT_NAME=${HOSTNAME_EXT}
      else
        # We are in a multiple-hostnames env
        CERT_NAME=${c}.${DOMAIN}
      fi

      # As the pillar differs whether we use LE or custom certs, we need to do a final edition on them
      sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${CERT_NAME}*/g;
              s#__CERT_PEM__#/etc/letsencrypt/live/${CERT_NAME}/fullchain.pem#g;
              s#__CERT_KEY__#/etc/letsencrypt/live/${CERT_NAME}/privkey.pem#g" \
      ${P_DIR}/nginx_${c}_configuration.sls
    done
  else
    # Use custom certs (either dev mode or prod)
    grep -q "extra_custom_certs" ${PILLARS_TOP} || echo "    - extra_custom_certs" >> ${PILLARS_TOP}
    # And add the certs in the custom_certs pillar
    echo "extra_custom_certs_dir: /srv/salt/certs" > ${P_DIR}/extra_custom_certs.sls
    echo "extra_custom_certs:" >> ${P_DIR}/extra_custom_certs.sls

    for c in controller websocket workbench workbench2 webshell keepweb keepproxy; do
      # Are we in a single-host-single-hostname env?
      if [ "${USE_SINGLE_HOSTNAME}" = "yes" ]; then
        # Are we in a single-host-single-hostname env?
        CERT_NAME=${HOSTNAME_EXT}
      else
        # We are in a multiple-hostnames env
        CERT_NAME=${c}
      fi

      if [[ "$SSL_MODE" == "bring-your-own" ]]; then
        copy_custom_cert ${CUSTOM_CERTS_DIR} ${CERT_NAME}
      fi

      grep -q ${CERT_NAME} ${P_DIR}/extra_custom_certs.sls || echo "  - ${CERT_NAME}" >> ${P_DIR}/extra_custom_certs.sls

      # As the pillar differs whether we use LE or custom certs, we need to do a final edition on them
      sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${CERT_NAME}_cert_file_copy/g;
              s#__CERT_PEM__#/etc/nginx/ssl/arvados-${CERT_NAME}.pem#g;
              s#__CERT_KEY__#/etc/nginx/ssl/arvados-${CERT_NAME}.key#g" \
      ${P_DIR}/nginx_${c}_configuration.sls
    done
  fi
else
  # If we add individual roles, make sure we add the repo first
  echo "    - arvados.repo" >> ${STATES_TOP}
  # We add the extra_custom_certs state
  grep -q "extra.custom_certs"    ${STATES_TOP} || echo "    - extra.custom_certs" >> ${STATES_TOP}
  if [ "${SSL_KEY_ENCRYPTED}" = "yes" ]; then
    grep -q "ssl_key_encrypted" ${STATES_TOP} || echo "    - extra.ssl_key_encrypted" >> ${STATES_TOP}
  fi

  # And we add the basic part for the certs pillar
  if [ "${SSL_MODE}" != "lets-encrypt" ]; then
    # And add the certs in the custom_certs pillar
    echo "extra_custom_certs_dir: /srv/salt/certs" > ${P_DIR}/extra_custom_certs.sls
    echo "extra_custom_certs:" >> ${P_DIR}/extra_custom_certs.sls
    grep -q "extra_custom_certs" ${PILLARS_TOP} || echo "    - extra_custom_certs" >> ${PILLARS_TOP}
  fi

  # Prometheus state on all nodes due to the node exporter below
  grep -q "\- prometheus$" ${STATES_TOP} || echo "    - prometheus" >> ${STATES_TOP}
  # Prometheus node exporter pillar
  grep -q "prometheus_node_exporter" ${PILLARS_TOP} || echo "    - prometheus_node_exporter" >> ${PILLARS_TOP}

  for R in ${ROLES:-}; do
    case "${R}" in
      "database")
        # Skip if using an external service
        if [[ "${DATABASE_EXTERNAL_SERVICE_HOST_OR_IP:-}" != "" ]]; then
          continue
        fi
        # States
        grep -q "\- postgres$" ${STATES_TOP} || echo "    - postgres" >> ${STATES_TOP}
        grep -q "extra.prometheus_pg_exporter" ${STATES_TOP} || echo "    - extra.prometheus_pg_exporter" >> ${STATES_TOP}
        # Pillars
        grep -q "postgresql" ${PILLARS_TOP} || echo "    - postgresql" >> ${PILLARS_TOP}
        grep -q "prometheus_pg_exporter" ${PILLARS_TOP} || echo "    - prometheus_pg_exporter" >> ${PILLARS_TOP}
      ;;
      "monitoring")
        ### Support files ###
        GRAFANA_DASHBOARDS_DEST_DIR=/srv/salt/dashboards
        mkdir -p "${GRAFANA_DASHBOARDS_DEST_DIR}"
        rm -f "${GRAFANA_DASHBOARDS_DEST_DIR}"/*
        # "ArvadosPromDataSource" is the hardcoded UID for Prometheus' datasource
        # in Grafana.
        for f in $(ls "${GRAFANA_DASHBOARDS_DIR}"/*.json); do
          sed "s#__TLS_EXPIRATION_YELLOW__#${TLS_EXPIRATION_YELLOW}#g;
               s#__TLS_EXPIRATION_GREEN__#${TLS_EXPIRATION_GREEN}#g;
               s#\${DS_PROMETHEUS}#ArvadosPromDataSource#g" \
          "${f}" > "${GRAFANA_DASHBOARDS_DEST_DIR}"/$(basename "${f}")
        done

        ### States ###
        grep -q "\- nginx$" ${STATES_TOP} || echo "    - nginx" >> ${STATES_TOP}
        grep -q "extra.nginx_prometheus_configuration" ${STATES_TOP} || echo "    - extra.nginx_prometheus_configuration" >> ${STATES_TOP}

        grep -q "\- grafana$" ${STATES_TOP} || echo "    - grafana" >> ${STATES_TOP}
        grep -q "extra.grafana_datasource" ${STATES_TOP} || echo "    - extra.grafana_datasource" >> ${STATES_TOP}
        grep -q "extra.grafana_dashboards" ${STATES_TOP} || echo "    - extra.grafana_dashboards" >> ${STATES_TOP}
        grep -q "extra.grafana_admin_user" ${STATES_TOP} || echo "    - extra.grafana_admin_user" >> ${STATES_TOP}

        grep -q "extra.loki_install" ${STATES_TOP} || echo "    - extra.loki_install" >> ${STATES_TOP}

        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
          grep -q "letsencrypt"     ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
          if [ "x${USE_LETSENCRYPT_ROUTE53:-}" = "xyes" ]; then
            grep -q "aws_credentials" ${STATES_TOP} || echo "    - aws_credentials" >> ${STATES_TOP}
          fi
        elif [ "${SSL_MODE}" = "bring-your-own" ]; then
          for SVC in grafana prometheus loki; do
            copy_custom_cert ${CUSTOM_CERTS_DIR} ${SVC}
          done
        fi
        ### Pillars ###
        grep -q "prometheus_server" ${PILLARS_TOP} || echo "    - prometheus_server" >> ${PILLARS_TOP}
        grep -q "grafana" ${PILLARS_TOP} || echo "    - grafana" >> ${PILLARS_TOP}
        grep -q "loki" ${PILLARS_TOP} || echo "    - loki" >> ${PILLARS_TOP}
        for SVC in grafana prometheus loki; do
          grep -q "nginx_${SVC}_configuration" ${PILLARS_TOP} || echo "    - nginx_${SVC}_configuration" >> ${PILLARS_TOP}
        done
        grep -q "nginx_snippets" ${PILLARS_TOP} || echo "    - nginx_snippets" >> ${PILLARS_TOP}
        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
          grep -q "letsencrypt"     ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}
          for SVC in grafana prometheus loki; do
            grep -q "letsencrypt_${SVC}_configuration" ${PILLARS_TOP} || echo "    - letsencrypt_${SVC}_configuration" >> ${PILLARS_TOP}
            sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${SVC}.${DOMAIN}*/g;
                    s#__CERT_PEM__#/etc/letsencrypt/live/${SVC}.${DOMAIN}/fullchain.pem#g;
                    s#__CERT_KEY__#/etc/letsencrypt/live/${SVC}.${DOMAIN}/privkey.pem#g" \
            ${P_DIR}/nginx_${SVC}_configuration.sls
          done
          if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
            grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
          fi
        elif [ "${SSL_MODE}" = "bring-your-own" ]; then
          grep -q "ssl_key_encrypted" ${PILLARS_TOP} || echo "    - ssl_key_encrypted" >> ${PILLARS_TOP}
          for SVC in grafana prometheus loki; do
            sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${SVC}_cert_file_copy/g;
                    s#__CERT_PEM__#/etc/nginx/ssl/arvados-${SVC}.pem#g;
                    s#__CERT_KEY__#/etc/nginx/ssl/arvados-${SVC}.key#g" \
              ${P_DIR}/nginx_${SVC}_configuration.sls
            grep -q ${SVC} ${P_DIR}/extra_custom_certs.sls || echo "  - ${SVC}" >> ${P_DIR}/extra_custom_certs.sls
          done
        fi
      ;;
      "balancer")
        ### States ###
        grep -q "\- nginx$" ${STATES_TOP} || echo "    - nginx" >> ${STATES_TOP}

        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
          grep -q "letsencrypt"     ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
          if [ "x${USE_LETSENCRYPT_ROUTE53:-}" = "xyes" ]; then
            grep -q "aws_credentials" ${STATES_TOP} || echo "    - aws_credentials" >> ${STATES_TOP}
          fi
        elif [ "${SSL_MODE}" = "bring-your-own" ]; then
          copy_custom_cert ${CUSTOM_CERTS_DIR} ${R}
        fi

        ### Pillars ###
        grep -q "nginx_${R}_configuration" ${PILLARS_TOP} || echo "    - nginx_${R}_configuration" >> ${PILLARS_TOP}

        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
          grep -q "letsencrypt"     ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}

          grep -q "letsencrypt_${R}_configuration" ${PILLARS_TOP} || echo "    - letsencrypt_${R}_configuration" >> ${PILLARS_TOP}
          sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${ROLE2NODES['balancer']}*/g;
                  s#__CERT_PEM__#/etc/letsencrypt/live/${ROLE2NODES['balancer']}/fullchain.pem#g;
                  s#__CERT_KEY__#/etc/letsencrypt/live/${ROLE2NODES['balancer']}/privkey.pem#g" \
          ${P_DIR}/nginx_${R}_configuration.sls

          if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
            grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
          fi
        elif [ "${SSL_MODE}" = "bring-your-own" ]; then
          grep -q "ssl_key_encrypted" ${PILLARS_TOP} || echo "    - ssl_key_encrypted" >> ${PILLARS_TOP}
          sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${R}_cert_file_copy/g;
                  s#__CERT_PEM__#/etc/nginx/ssl/arvados-${R}.pem#g;
                  s#__CERT_KEY__#/etc/nginx/ssl/arvados-${R}.key#g" \
            ${P_DIR}/nginx_${R}_configuration.sls
          grep -q "${R}" ${P_DIR}/extra_custom_certs.sls || echo "  - ${R}" >> ${P_DIR}/extra_custom_certs.sls
        fi
      ;;
      "controller")
        ### States ###
        grep -q "    - logrotate" ${STATES_TOP} || echo "    - logrotate" >> ${STATES_TOP}
        if grep -q "    - nginx.*$" ${STATES_TOP}; then
          sed -i s/"^    - nginx.*$"/"    - nginx.passenger"/g ${STATES_TOP}
        else
          echo "    - nginx.passenger" >> ${STATES_TOP}
        fi
        echo "    - extra.passenger_rvm" >> ${STATES_TOP}
        grep -q "^    - postgres\\.client$" ${STATES_TOP} || echo "    - postgres.client" >> ${STATES_TOP}
        if [[ "${DATABASE_EXTERNAL_SERVICE_HOST_OR_IP:-}" != "" ]]; then
          grep -q "    - extra.postgresql_external" ${STATES_TOP} || echo "    - extra.postgresql_external" >> ${STATES_TOP}
        fi

        ### If we don't install and run LE before arvados-api-server, it fails and breaks everything
        ### after it. So we add this here as we are, after all, sharing the host for api and controller
        if [ "${ENABLE_BALANCER}" == "no" ]; then
          if [ "${SSL_MODE}" = "lets-encrypt" ]; then
            if [ "x${USE_LETSENCRYPT_ROUTE53:-}" = "xyes" ]; then
              grep -q "aws_credentials" ${STATES_TOP} || echo "    - aws_credentials" >> ${STATES_TOP}
            fi
            grep -q "letsencrypt"     ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
          elif [ "${SSL_MODE}" = "bring-your-own" ]; then
            copy_custom_cert ${CUSTOM_CERTS_DIR} ${R}
            grep -q controller ${P_DIR}/extra_custom_certs.sls || echo "  - controller" >> ${P_DIR}/extra_custom_certs.sls
          fi
        fi
        grep -q "arvados.api" ${STATES_TOP} || echo "    - arvados.api" >> ${STATES_TOP}
        grep -q "arvados.controller" ${STATES_TOP} || echo "    - arvados.controller" >> ${STATES_TOP}

        ### Pillars ###
        grep -q "logrotate" ${PILLARS_TOP}                || echo "    - logrotate" >> ${PILLARS_TOP}
        grep -q "logrotate_api" ${PILLARS_TOP}            || echo "    - logrotate_api" >> ${PILLARS_TOP}
        grep -q "aws_credentials" ${PILLARS_TOP}          || echo "    - aws_credentials" >> ${PILLARS_TOP}
        grep -q "postgresql" ${PILLARS_TOP}               || echo "    - postgresql" >> ${PILLARS_TOP}
        grep -q "nginx_passenger" ${PILLARS_TOP}          || echo "    - nginx_passenger" >> ${PILLARS_TOP}
        grep -q "nginx_snippets" ${PILLARS_TOP}           || echo "    - nginx_snippets" >> ${PILLARS_TOP}
        grep -q "nginx_api_configuration" ${PILLARS_TOP} || echo "    - nginx_api_configuration" >> ${PILLARS_TOP}
        grep -q "nginx_controller_configuration" ${PILLARS_TOP} || echo "    - nginx_controller_configuration" >> ${PILLARS_TOP}

        if [[ "${DATABASE_EXTERNAL_SERVICE_HOST_OR_IP:-}" != "" ]]; then
          grep -q "    - postgresql_external" ${PILLARS_TOP} || echo "    - postgresql_external" >> ${PILLARS_TOP}
        fi

        if [ "${ENABLE_BALANCER}" == "no" ]; then
          if [ "${SSL_MODE}" = "lets-encrypt" ]; then
            if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
              grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
            fi

            grep -q "letsencrypt"     ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}
            grep -q "letsencrypt_${R}_configuration" ${PILLARS_TOP} || echo "    - letsencrypt_${R}_configuration" >> ${PILLARS_TOP}
            sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${R}.${DOMAIN}*/g;
                    s#__CERT_PEM__#/etc/letsencrypt/live/${R}.${DOMAIN}/fullchain.pem#g;
                    s#__CERT_KEY__#/etc/letsencrypt/live/${R}.${DOMAIN}/privkey.pem#g" \
            ${P_DIR}/nginx_${R}_configuration.sls
          else
            grep -q "ssl_key_encrypted" ${PILLARS_TOP} || echo "    - ssl_key_encrypted" >> ${PILLARS_TOP}
            sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${R}_cert_file_copy/g;
                    s#__CERT_PEM__#/etc/nginx/ssl/arvados-${R}.pem#g;
                    s#__CERT_KEY__#/etc/nginx/ssl/arvados-${R}.key#g" \
            ${P_DIR}/nginx_${R}_configuration.sls
            grep -q ${R} ${P_DIR}/extra_custom_certs.sls || echo "  - ${R}" >> ${P_DIR}/extra_custom_certs.sls
          fi
        fi
        # We need to tweak the Nginx's pillar depending whether we want plain nginx or nginx+passenger
        NGINX_INSTALL_SOURCE="install_from_phusionpassenger"
        sed -i "s/__NGINX_INSTALL_SOURCE__/${NGINX_INSTALL_SOURCE}/g" ${P_DIR}/nginx_passenger.sls
      ;;
      "websocket" | "workbench" | "workbench2" | "webshell" | "keepweb" | "keepproxy")
        ### States ###
        grep -q "\- nginx$" ${STATES_TOP} || echo "    - nginx" >> ${STATES_TOP}

        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
          if [ "x${USE_LETSENCRYPT_ROUTE53:-}" = "xyes" ]; then
            grep -q "aws_credentials" ${STATES_TOP} || echo "    - aws_credentials" >> ${STATES_TOP}
          fi
          grep -q "letsencrypt"     ${STATES_TOP} || echo "    - letsencrypt" >> ${STATES_TOP}
        else
          # Use custom certs, special case for keepweb
          if [ ${R} = "keepweb" ]; then
            if [ "${SSL_MODE}" = "bring-your-own" ]; then
              copy_custom_cert ${CUSTOM_CERTS_DIR} download
              copy_custom_cert ${CUSTOM_CERTS_DIR} collections
            fi
          else
            if [ "${SSL_MODE}" = "bring-your-own" ]; then
              copy_custom_cert ${CUSTOM_CERTS_DIR} ${R}
            fi
          fi
        fi

        # webshell role is just a nginx vhost, so it has no state
        # workbench role is deprecated since 2.7.0
        if [[ "${R}" != "webshell" && "${R}" != "workbench" ]]; then
          grep -q "arvados.${R}" ${STATES_TOP} || echo "    - arvados.${R}" >> ${STATES_TOP}
        fi
        # Make sure wb1's package get uninstalled
        if [[ "${R}" == "workbench" ]]; then
          grep -q "workbench1_uninstall" ${STATES_TOP} || echo "    - extra.workbench1_uninstall" >> ${STATES_TOP}
        fi

        ### Pillars ###
        grep -q "nginx_${R}_configuration" ${PILLARS_TOP} || echo "    - nginx_${R}_configuration" >> ${PILLARS_TOP}
        grep -q "nginx_snippets" ${PILLARS_TOP} || echo "    - nginx_snippets" >> ${PILLARS_TOP}
        # Special case for keepweb
        if [ ${R} = "keepweb" ]; then
          grep -q "nginx_download_configuration" ${PILLARS_TOP} || echo "    - nginx_download_configuration" >> ${PILLARS_TOP}
          grep -q "nginx_collections_configuration" ${PILLARS_TOP} || echo "    - nginx_collections_configuration" >> ${PILLARS_TOP}
        fi

        if [ "${SSL_MODE}" = "lets-encrypt" ]; then
          if [ "${USE_LETSENCRYPT_ROUTE53}" = "yes" ]; then
            grep -q "aws_credentials" ${PILLARS_TOP} || echo "    - aws_credentials" >> ${PILLARS_TOP}
          fi
          grep -q "letsencrypt"     ${PILLARS_TOP} || echo "    - letsencrypt" >> ${PILLARS_TOP}
          grep -q "letsencrypt_${R}_configuration" ${PILLARS_TOP} || echo "    - letsencrypt_${R}_configuration" >> ${PILLARS_TOP}

          # As the pillar differ whether we use LE or custom certs, we need to do a final edition on them
          # Special case for keepweb
          if [ ${R} = "keepweb" ]; then
            for kwsub in download collections; do
              sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${kwsub}.${DOMAIN}*/g;
                      s#__CERT_PEM__#/etc/letsencrypt/live/${kwsub}.${DOMAIN}/fullchain.pem#g;
                      s#__CERT_KEY__#/etc/letsencrypt/live/${kwsub}.${DOMAIN}/privkey.pem#g" \
              ${P_DIR}/nginx_${kwsub}_configuration.sls
            done
          else
            sed -i "s/__CERT_REQUIRES__/cmd: create-initial-cert-${R}.${DOMAIN}*/g;
                    s#__CERT_PEM__#/etc/letsencrypt/live/${R}.${DOMAIN}/fullchain.pem#g;
                    s#__CERT_KEY__#/etc/letsencrypt/live/${R}.${DOMAIN}/privkey.pem#g" \
            ${P_DIR}/nginx_${R}_configuration.sls
          fi
        else
          grep -q "ssl_key_encrypted" ${PILLARS_TOP} || echo "    - ssl_key_encrypted" >> ${PILLARS_TOP}
          # As the pillar differ whether we use LE or custom certs, we need to do a final edition on them
          # Special case for keepweb
          if [ ${R} = "keepweb" ]; then
            for kwsub in download collections; do
              sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${kwsub}_cert_file_copy/g;
                      s#__CERT_PEM__#/etc/nginx/ssl/arvados-${kwsub}.pem#g;
                      s#__CERT_KEY__#/etc/nginx/ssl/arvados-${kwsub}.key#g" \
              ${P_DIR}/nginx_${kwsub}_configuration.sls
              grep -q ${kwsub} ${P_DIR}/extra_custom_certs.sls || echo "  - ${kwsub}" >> ${P_DIR}/extra_custom_certs.sls
            done
          else
            sed -i "s/__CERT_REQUIRES__/file: extra_custom_certs_${R}_cert_file_copy/g;
                    s#__CERT_PEM__#/etc/nginx/ssl/arvados-${R}.pem#g;
                    s#__CERT_KEY__#/etc/nginx/ssl/arvados-${R}.key#g" \
            ${P_DIR}/nginx_${R}_configuration.sls
            grep -q ${R} ${P_DIR}/extra_custom_certs.sls || echo "  - ${R}" >> ${P_DIR}/extra_custom_certs.sls
          fi
        fi
        # We need to tweak the Nginx's pillar depending whether we want plain nginx or nginx+passenger
        sed -i "s/__NGINX_INSTALL_SOURCE__/${NGINX_INSTALL_SOURCE}/g" ${P_DIR}/nginx_passenger.sls
      ;;
      "shell")
        # States
        echo "    - extra.shell_sudo_passwordless" >> ${STATES_TOP}
        echo "    - extra.shell_cron_add_login_sync" >> ${STATES_TOP}
        grep -q "docker" ${STATES_TOP}       || echo "    - docker.software" >> ${STATES_TOP}
        grep -q "arvados.${R}" ${STATES_TOP} || echo "    - arvados.${R}" >> ${STATES_TOP}
        # Pillars
        grep -q "docker" ${PILLARS_TOP}       || echo "    - docker" >> ${PILLARS_TOP}
      ;;
      "dispatcher" | "keepbalance" | "keepstore")
        # States
        grep -q "arvados.${R}" ${STATES_TOP} || echo "    - arvados.${R}" >> ${STATES_TOP}
        # Pillars
        # ATM, no specific pillar needed
      ;;
      *)
        echo "Unknown role ${R}"
        exit 1
      ;;
    esac
  done
fi

if [ "${DUMP_CONFIG}" = "yes" ]; then
  # We won't run the rest of the script because we're just dumping the config
  exit 0
fi

# Now run the install
salt-call --state-output=mixed --local state.apply -l ${LOG_LEVEL}

# Finally, make sure that /etc/hosts is not overwritten on reboot
if [ -d /etc/cloud/cloud.cfg.d ]; then
  # TODO: will this work on CentOS?
  sed -i 's/^manage_etc_hosts: true/#manage_etc_hosts: true/g' /etc/cloud/cloud.cfg.d/*
fi

# Leave a copy of the Arvados CA so the user can copy it where it's required
if [ "${SSL_MODE}" = "self-signed" ]; then
  echo "Copying the Arvados CA certificate '${DOMAIN}-arvados-snakeoil-ca.crt' to the installer dir, so you can import it"
  if [ "x${VAGRANT:-}" = "xyes" ]; then
    cp /etc/ssl/certs/arvados-snakeoil-ca.pem /vagrant/${DOMAIN}-arvados-snakeoil-ca.pem
  else
    cp /etc/ssl/certs/arvados-snakeoil-ca.pem ${SCRIPT_DIR}/${DOMAIN}-arvados-snakeoil-ca.crt
  fi
fi

if [ "x${VAGRANT:-}" = "xyes" ]; then
    # If running in a vagrant VM, also add default user to docker group
    echo "Adding the vagrant user to the docker group"
    usermod -a -G docker vagrant
fi

# Test that the installation finished correctly
if [ "x${TEST:-}" = "xyes" ]; then
  cd ${T_DIR}
  # If we use RVM, we need to run this with it, or most ruby commands will fail
  RVM_EXEC=""
  if [ -x /usr/local/rvm/bin/rvm-exec ]; then
    RVM_EXEC="/usr/local/rvm/bin/rvm-exec"
  fi
  ${RVM_EXEC} ./run-test.sh
fi