#!/bin/bash -e
# shellcheck disable=SC1090,SC2155
##############################################################################
# Copyright (c) 2017 Mirantis Inc., Enea AB and others.
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

CI_DEBUG=${CI_DEBUG:-0}; [[ "${CI_DEBUG}" =~ (false|0) ]] || set -x
ERASE_ENV=${ERASE_ENV:-0}

source "$(dirname "${BASH_SOURCE[0]}")/../../scripts/globals.sh"
source "$(dirname "${BASH_SOURCE[0]}")/../../scripts/lib.sh"

# Wait for MaaS commissioning/deploy to finish, retry on failure
function maas_fixup() {
  local statuscmd="salt 'mas01*' --out yaml state.apply maas.machines.status"
  local ncount=$(salt --out yaml 'mas01*' pillar.get maas:region:machines | \
    grep -cE '^\s{2}\w+:$')

  # wait_for has 10sec timeout * 96 = 16 min > 15min for Failed state
  wait_for 96 "${statuscmd} | tee /dev/stderr | " \
    "grep -Eq '((Deployed|Ready): ${ncount}|status: (Failed|Allocated))'"
  local statusout=$(eval "${statuscmd}")

  local fcnodes=$(echo "${statusout}" | \
    grep -Pzo 'status: Failed commissioning\n\s+system_id: \K.+\n')
  local ftnodes=$(echo "${statusout}" | \
    grep -Pzo 'status: Failed testing\n\s+system_id: \K.+\n')
  for node_system_id in ${fcnodes}; do
    salt -C 'mas01*' state.apply maas.machines.delete \
      pillar="{'system_id': '${node_system_id}'}"
    sleep 10
  done
  for node_system_id in ${ftnodes}; do
    salt -C 'mas01*' state.apply maas.machines.override_failed_testing \
      pillar="{'system_id': '${node_system_id}'}"
    sleep 10
  done
  if [ -n "${fcnodes}" ] || [ -n "${ftnodes}" ]; then
    salt -C 'mas01*' state.apply maas.machines
    return 1
  fi

  local fdnodes=$(echo "${statusout}" | \
    grep -Pzo 'status: (Failed deployment|Allocated)\n\s+system_id: \K.+\n')
  local rnodes=$(echo "${statusout}" | \
    grep -Pzo 'status: Ready\n\s+system_id: \K.+\n')
  for node_system_id in ${fdnodes}; do
    salt -C 'mas01*' state.apply maas.machines.mark_broken_fixed \
      pillar="{'system_id': '${node_system_id}'}"
    sleep 10
  done
  if [ -n "${fdnodes}" ] || [ -n "${rnodes}" ]; then
    salt -C 'mas01*' state.apply maas.machines.deploy
    return 1
  fi

  return 0
}

# Optionally destroy MaaS machines from a previous run
if [ "${ERASE_ENV}" -gt 1 ]; then
  set +e; dnodes=$(salt 'mas01*' --out yaml state.apply maas.machines.status | \
    grep -Pzo '\s+system_id: \K.+\n'); set -e
  cleanup_uefi
  for node_system_id in ${dnodes}; do
    salt -C 'mas01*' state.apply maas.machines.delete \
      pillar="{'system_id': '${node_system_id}'}"
    sleep 10
  done
fi

# MaaS rack/region controller, node commissioning
salt -C 'mas01*' state.apply linux,salt,openssh,ntp
salt -C 'mas01*' state.apply maas.pxe_nat
salt -C 'mas01*' state.apply maas.cluster

wait_for 10 "salt -C 'mas01*' state.apply maas.region"

salt -C 'mas01*' state.apply maas.machines

# cleanup outdated salt keys
sleep 30
salt-key --out yaml | awk '!/^(minions|- cfg01|- mas01)/ {print $2}' | \
  xargs -I{} salt-key -yd {}

# MaaS node deployment
wait_for 10 maas_fixup

salt -C 'mas01*' pillar.item\
  maas:region:admin:username \
  maas:region:admin:password

# Check all baremetal nodes are available
rc=1
attempt=0
total_attempts=10
while [ $rc -ne 0 ] && [ ${attempt} -lt ${total_attempts} ]; do
  bm_nodes=$(salt --out yaml 'mas01*' pillar.get maas:region:machines | \
             awk '/^\s+\w+[[:digit:]]+:$/ {gsub(/:$/, "*"); print $1}')
  rc=0
  for node in $bm_nodes; do
    salt "$node" test.ping 2>/dev/null || { rc=$?; break; };
  done
  sleep 5
  ((attempt+=1))
done

wait_for 10.0 "salt -C '* and not cfg01* and not mas01*' saltutil.sync_all"