# Copyright 2017 The Openstack-Helm Authors.
#
# 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.

{{- define "helm-toolkit.keystone_endpoints" }}
#!/bin/bash

# Copyright 2017 Pete Birley
#
# 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.

set -ex

# Get Service ID
OS_SERVICE_ID=$( openstack service list -f csv --quote none | \
                  grep ",${OS_SERVICE_NAME},${OS_SERVICE_TYPE}$" | \
                    sed -e "s/,${OS_SERVICE_NAME},${OS_SERVICE_TYPE}//g" )

# Get Endpoint ID if it exists
OS_ENDPOINT_ID=$( openstack endpoint list  -f csv --quote none | \
                  grep "^[a-z0-9]*,${OS_REGION_NAME},${OS_SERVICE_NAME},${OS_SERVICE_TYPE},True,${OS_SVC_ENDPOINT}," | \
                  awk -F ',' '{ print $1 }' )

# Making sure only a single endpoint exists for a service within a region
if [ "$(echo $OS_ENDPOINT_ID | wc -w)" -gt "1" ]; then
  echo "More than one endpoint found, cleaning up"
  for ENDPOINT_ID in $OS_ENDPOINT_ID; do
    openstack endpoint delete ${ENDPOINT_ID}
  done
  unset OS_ENDPOINT_ID
fi

# Determine if Endpoint needs updated
if [[ ${OS_ENDPOINT_ID} ]]; then
  OS_ENDPOINT_URL_CURRENT=$(openstack endpoint show ${OS_ENDPOINT_ID} --f value -c url)
  if [ "${OS_ENDPOINT_URL_CURRENT}" == "${OS_SERVICE_ENDPOINT}" ]; then
    echo "Endpoints Match: no action required"
    OS_ENDPOINT_UPDATE="False"
  else
    echo "Endpoints Dont Match: removing existing entries"
    openstack endpoint delete ${OS_ENDPOINT_ID}
    OS_ENDPOINT_UPDATE="True"
  fi
else
  OS_ENDPOINT_UPDATE="True"
fi

# Update Endpoint if required
if [[ "${OS_ENDPOINT_UPDATE}" == "True" ]]; then
  OS_ENDPOINT_ID=$( openstack endpoint create -f value -c id \
    --region="${OS_REGION_NAME}" \
    "${OS_SERVICE_ID}" \
    ${OS_SVC_ENDPOINT} \
    "${OS_SERVICE_ENDPOINT}" )
fi

# Display the Endpoint
openstack endpoint show ${OS_ENDPOINT_ID}
{{- end }}