#!/bin/bash

{{/*
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 -x
SECRET=$(mktemp --suffix .yaml)
KEYRING=$(mktemp --suffix .keyring)
function cleanup {
    rm -f ${SECRET} ${KEYRING}
}
trap cleanup EXIT

set -ex
ceph -s
function ensure_pool () {
  ceph osd pool stats $1 || ceph osd pool create $1 $2
  local test_version=$(ceph tell osd.* version | egrep -c "nautilus|mimic|luminous" | xargs echo)
  if [[ ${test_version} -gt 0 ]]; then
    ceph osd pool application enable $1 $3
  fi
}
ensure_pool ${RBD_POOL_NAME} ${RBD_POOL_CHUNK_SIZE} "gnocchi-metrics"

if USERINFO=$(ceph auth get client.${RBD_POOL_USER}); then
  echo "Cephx user client.${RBD_POOL_USER} already exist."
  echo "Update its cephx caps"
  ceph auth caps client.${RBD_POOL_USER} \
    mon "profile r" \
    osd "profile rwx pool=${RBD_POOL_NAME}" \
    mgr "allow r"
  ceph auth get client.${RBD_POOL_USER} -o ${KEYRING}
else
  ceph auth get-or-create client.${RBD_POOL_USER} \
    mon "profile r" \
    osd "profile rwx pool=${RBD_POOL_NAME}" \
    mgr "allow r" \
    -o ${KEYRING}
fi

ENCODED_KEYRING=$(sed -n 's/^[[:blank:]]*key[[:blank:]]\+=[[:blank:]]\(.*\)/\1/p' ${KEYRING} | base64 -w0)
cat > ${SECRET} <<EOF
apiVersion: v1
kind: Secret
metadata:
  name: "${RBD_POOL_SECRET}"
type: kubernetes.io/rbd
data:
  key: $( echo ${ENCODED_KEYRING} )
EOF
kubectl apply --namespace ${NAMESPACE} -f ${SECRET}