#!/bin/bash

set -o nounset
set -o errexit
set -o pipefail

#-------------------------------------------------------------------------------
# Various tests are run using tox such as jjbtest, yamllint, and shellehck.
#-------------------------------------------------------------------------------
run_tox() {

  echo "Info  : Preparing to run tox for the repo $GERRIT_PROJECT"

  # set and export defaults
  LINT_TYPE="${LINT_TYPE:-jjbtest}"
  VERBOSITY=${VERBOSITY:-false}
  export LINT_TYPE VERBOSITY

  # ensure we are in job build WORKSPACE
  cd "$WORKSPACE"

  # set DEBIAN_FRONTEND to run apt non-interactively
  DEBIAN_FRONTEND=noninteractive
  export DEBIAN_FRONTEND

  # Wait for other apt auto-update process to finish by checking the dpkg lock file.
  DPKG_LOCK="/var/lib/dpkg/lock-frontend"
  try=0
  while sudo lsof "${DPKG_LOCK}"  > /dev/null 2>&1 ; do
    echo "DPKG file locked: ${DPKG_LOCK}."
    echo "   Waiting for another pkg instalaltion process to finish ..."
    sleep 10
    if [[ ${try} -gt 120 ]] ; then
      echo "ERROR: Max number of re-tries reached, exiting..."
      exit 1
    fi
    try=$((try + 1))
  done

  # install dependencies
  echo "Info  : Install python3.7-minimal python3-distutils virtualenv using apt"
  redirect_cmd sudo apt update
  redirect_cmd sudo apt install -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confnew -y \
     python3.7-minimal python3-distutils virtualenv

  # create and activate virtualenv
  echo "Info  : Create and activate python virtualenv"
  redirect_cmd virtualenv -p python3 .venv
  set +u
  redirect_cmd source .venv/bin/activate
  set -u

  # install only tox since the rest of the requirements are installed by tox itself
  TOX_PACKAGE=$(grep "^tox==" jjb/infra/test-requirements.txt)
  echo "Info  : Install $TOX_PACKAGE"
  redirect_cmd pip install --force-reinstall "$TOX_PACKAGE"

  # run tox
  echo "Info  : Run $LINT_TYPE using tox"
  echo "----------------------------------------------------"
  tox -e "$LINT_TYPE"
  echo "----------------------------------------------------"
  echo "Info  : Done!"

}
#-------------------------------------------------------------------------------
# In some cases, it is useful to see all the output generated by commands so
# this function makes it possible for users to achieve that by not redirecting
# output to /dev/null when verbosity is enabled
#-------------------------------------------------------------------------------
redirect_cmd() {

  if [[ "$VERBOSITY" == "false" ]]; then
    "$@" > /dev/null 2>&1
  else
    "$@"
  fi

}
#-------------------------------------------------------------------------------
# run tox
#-------------------------------------------------------------------------------

run_tox "$@"

# vim: set ts=2 sw=2 ft=bash  expandtab: