#!/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

##########################################################
# The 5 letters name you want to give your cluster
CLUSTER="arva2"
DOMAIN="arv.local"

# Which release of Arvados repo you want to use
RELEASE="production"
# Which version of Arvados you want to install. Defaults to 'latest'
# in the desired repo
# VERSION="2.0.4"

# This is a arvados-formula setting. 
# If branch is set, the script will switch to it before running salt
# Usually not needed, only used for testing
# BRANCH="master"

##########################################################
# Usually there's no need to modify things below this line

# Salt's dir
## states
S_DIR="/srv/salt"
## formulas
F_DIR="/srv/formulas"
##pillars
P_DIR="/srv/pillars"
# In vagrant, we can use the shared dir
# P_DIR="/vagrant/salt_pillars"

sudo apt-get update
sudo apt-get install -y curl git

dpkg -l |grep salt-minion
if [ ${?} -eq 0 ]; then
  echo "Salt already installed"
else
  curl -L https://bootstrap.saltstack.com -o /tmp/bootstrap_salt.sh
  sudo sh /tmp/bootstrap_salt.sh -XUdfP -x python3
  sudo /bin/systemctl disable salt-minion.service
fi

# Set salt to masterless mode
cat > /etc/salt/minion << EOFSM
file_client: local
file_roots:
  base:
    - ${S_DIR}
    - ${F_DIR}/*
    - ${F_DIR}/*/test/salt/states

pillar_roots:
  base:
    - ${P_DIR}
EOFSM

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

# States
cat > ${S_DIR}/top.sls << EOFTSLS
base:
  '*':
    - example_add_snakeoil_certs
    - locale
    - nginx.passenger
    - postgres
    - docker
    - arvados
EOFTSLS

# Pillars
cat > ${P_DIR}/top.sls << EOFPSLS
base:
  '*':
    - arvados
    - locale
    - nginx_api_configuration
    - nginx_controller_configuration
    - nginx_keepproxy_configuration
    - nginx_keepweb_configuration
    - nginx_passenger
    - nginx_websocket_configuration
    - nginx_webshell_configuration
    - nginx_workbench2_configuration
    - nginx_workbench_configuration
    - postgresql
EOFPSLS


# Get the formula and dependencies
cd ${F_DIR} || exit 1
for f in postgres arvados nginx docker locale; do
  git clone https://github.com/saltstack-formulas/${f}-formula.git
done

if [ "x${BRANCH}" != "x" ]; then
  cd ${F_DIR}/arvados-formula
  git checkout -t origin/${BRANCH}
  cd -
fi

sed "s/example.net/${DOMAIN}/g; s/fixme/${CLUSTER}/g; s/release: development/release: ${RELEASE}/g; s/# version: '2.0.4'/version: '${VERSION}'/g" \
  ${F_DIR}/arvados-formula/test/salt/pillar/arvados_dev.sls > ${P_DIR}/arvados.sls

# Replace cluster and domain name in the example pillars
for f in ${F_DIR}/arvados-formula/test/salt/pillar/examples/*; do
  sed "s/example.net/${DOMAIN}/g; s/fixme/${CLUSTER}/g" \
  ${f} > ${P_DIR}/$(basename ${f})
done

# Let's write a /etc/hosts file that points all the hosts to localhost

echo "127.0.0.2 api keep keep0 collections download ws workbench workbench2 ${CLUSTER}.${DOMAIN} api.${CLUSTER}.${DOMAIN} keep.${CLUSTER}.${DOMAIN} keep0.${CLUSTER}.${DOMAIN} collections.${CLUSTER}.${DOMAIN} download.${CLUSTER}.${DOMAIN} ws.${CLUSTER}.${DOMAIN} workbench.${CLUSTER}.${DOMAIN} workbench2.${CLUSTER}.${DOMAIN}" >> /etc/hosts

# Now run the install
salt-call --local state.apply -l debug