#!/bin/bash

# Copyright 2016 The Kubernetes 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.

# Vars assumed:
#   NUM_NODES
proc get-master-size {
  local suggested_master_size=1
  if [[ "${NUM_NODES}" -gt "5" ]] {
    setvar suggested_master_size = '2'
  }
  if [[ "${NUM_NODES}" -gt "10" ]] {
    setvar suggested_master_size = '4'
  }
  if [[ "${NUM_NODES}" -gt "100" ]] {
    setvar suggested_master_size = '8'
  }
  if [[ "${NUM_NODES}" -gt "250" ]] {
    setvar suggested_master_size = '16'
  }
  if [[ "${NUM_NODES}" -gt "500" ]] {
    setvar suggested_master_size = '32'
  }
  if [[ "${NUM_NODES}" -gt "3000" ]] {
    setvar suggested_master_size = '64'
  }
  echo ${suggested_master_size}
}

# Vars assumed:
#   NUM_NODES
proc get-master-root-disk-size {
  local suggested_master_root_disk_size="20GB"
  if [[ "${NUM_NODES}" -gt "1000" ]] {
    setvar suggested_master_root_disk_size = ""50GB""
  }
  if [[ "${NUM_NODES}" -gt "2000" ]] {
    setvar suggested_master_root_disk_size = ""100GB""
  }
  echo ${suggested_master_root_disk_size}
}

# Vars assumed:
#   NUM_NODES
proc get-master-disk-size {
  local suggested_master_disk_size="20GB"
  if [[ "${NUM_NODES}" -gt "1000" ]] {
    setvar suggested_master_disk_size = ""100GB""
  }
  if [[ "${NUM_NODES}" -gt "2000" ]] {
    setvar suggested_master_disk_size = ""200GB""
  }
  echo ${suggested_master_disk_size}
}

proc get-node-ip-range {
  if [[ -n "${NODE_IP_RANGE:-}" ]] {
    >&2 echo "Using user provided NODE_IP_RANGE: ${NODE_IP_RANGE}>&2 echo "Using user provided NODE_IP_RANGE: ${NODE_IP_RANGE}"
    echo ${NODE_IP_RANGE}
    return
  }
  local suggested_range="10.40.0.0/22"
  if [[ "${NUM_NODES}" -gt 1000 ]] {
    setvar suggested_range = ""10.40.0.0/21""
  }
  if [[ "${NUM_NODES}" -gt 2000 ]] {
    setvar suggested_range = ""10.40.0.0/20""
  }
  if [[ "${NUM_NODES}" -gt 4000 ]] {
    setvar suggested_range = ""10.40.0.0/19""
  }
  echo ${suggested_range}
}

proc get-cluster-ip-range {
  local suggested_range="10.64.0.0/14"
  if [[ "${NUM_NODES}" -gt 1000 ]] {
    setvar suggested_range = ""10.64.0.0/13""
  }
  if [[ "${NUM_NODES}" -gt 2000 ]] {
    setvar suggested_range = ""10.64.0.0/12""
  }
  if [[ "${NUM_NODES}" -gt 4000 ]] {
    setvar suggested_range = ""10.64.0.0/11""
  }
  echo ${suggested_range} 
}

if [[ "${FEDERATION:-}" == true ]] {
    setvar NODE_SCOPES = "${NODE_SCOPES:-monitoring,logging-write,storage-ro,https://www.googleapis.com/auth/ndev.clouddns.readwrite}"
} else {
    setvar NODE_SCOPES = "${NODE_SCOPES:-monitoring,logging-write,storage-ro}"
}