#!/usr/bin/env bash

# Copyright 2017-present Open Networking Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# ansiblelint.sh - check all yaml files that they pass the ansible-lint tool

set +e -u -o pipefail

fail_ansible=0

# verify that we have ansible-lint installed
command -v ansible-lint  >/dev/null 2>&1 || { echo "ansible-lint not found, please install it" >&2; exit 1; }

# when not running under Jenkins, use current dir as workspace
WORKSPACE=${WORKSPACE:-.}

echo "=> Linting Ansible Code with $(ansible-lint --version)"

# allow directories to be skipped
# space separated directory list expected in SKIP_DIRS

SKIP_DIRS=""
SKIP_REGEX=""

if [[ -n $SKIP_DIRS ]]; then
  echo "=> Skipping files matching these directories: $SKIP_DIRS"
  # prefix with ./ as find generates, swap spaces for pipes
  SKIP_REGEX=$(echo $SKIP_DIRS | sed 's/[^ ]*/.\/&\//g' | sed 's/ /|/g')
fi

while IFS= read -r -d '' yf
do
  if [[ $yf =~ $SKIP_REGEX ]]; then
    echo "==> SKIPPING: ${yf}"
  else
    echo "==> CHECKING: ${yf}"
    ansible-lint -p "${yf}"
    rc=$?
    if [[ $rc != 0 ]]; then
      echo "==> LINTING FAIL: ${yf}"
      fail_ansible=1
    fi
  fi
done < <(find "${WORKSPACE}" \( -name "*.yml" -o -name "*.yaml" \) -print0)

exit ${fail_ansible}