#!/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 function get-master-size { local suggested_master_size=1 if [[ "${NUM_NODES}" -gt "5" ]]; then suggested_master_size=2 fi if [[ "${NUM_NODES}" -gt "10" ]]; then suggested_master_size=4 fi if [[ "${NUM_NODES}" -gt "100" ]]; then suggested_master_size=8 fi if [[ "${NUM_NODES}" -gt "250" ]]; then suggested_master_size=16 fi if [[ "${NUM_NODES}" -gt "500" ]]; then suggested_master_size=32 fi if [[ "${NUM_NODES}" -gt "3000" ]]; then suggested_master_size=64 fi echo "${suggested_master_size}" } # Vars assumed: # NUM_NODES function get-master-root-disk-size() { local suggested_master_root_disk_size="20GB" if [[ "${NUM_NODES}" -gt "1000" ]]; then suggested_master_root_disk_size="50GB" fi if [[ "${NUM_NODES}" -gt "2000" ]]; then suggested_master_root_disk_size="100GB" fi echo "${suggested_master_root_disk_size}" } # Vars assumed: # NUM_NODES function get-master-disk-size() { local suggested_master_disk_size="20GB" if [[ "${NUM_NODES}" -gt "1000" ]]; then suggested_master_disk_size="100GB" fi if [[ "${NUM_NODES}" -gt "2000" ]]; then suggested_master_disk_size="200GB" fi echo "${suggested_master_disk_size}" } function get-node-ip-range { if [[ -n "${NODE_IP_RANGE:-}" ]]; then >&2 echo "Using user provided NODE_IP_RANGE: ${NODE_IP_RANGE}" echo "${NODE_IP_RANGE}" return fi local suggested_range="10.40.0.0/22" if [[ "${NUM_NODES}" -gt 1000 ]]; then suggested_range="10.40.0.0/21" fi if [[ "${NUM_NODES}" -gt 2000 ]]; then suggested_range="10.40.0.0/20" fi if [[ "${NUM_NODES}" -gt 4000 ]]; then suggested_range="10.40.0.0/19" fi echo "${suggested_range}" } function get-cluster-ip-range { local suggested_range="10.64.0.0/14" if [[ "${NUM_NODES}" -gt 1000 ]]; then suggested_range="10.64.0.0/13" fi if [[ "${NUM_NODES}" -gt 2000 ]]; then suggested_range="10.64.0.0/12" fi if [[ "${NUM_NODES}" -gt 4000 ]]; then suggested_range="10.64.0.0/11" fi echo "${suggested_range}" } # NOTE: Avoid giving nodes empty scopes, because kubelet needs a service account # in order to initialize properly. NODE_SCOPES="${NODE_SCOPES:-monitoring,logging-write,storage-ro}"