#!/bin/bash

# Copyright 2014 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.

## Contains configuration values for interacting with the libvirt CoreOS cluster

# Number of minions in the cluster
setvar NUM_NODES = ${NUM_NODES:-3}
export NUM_NODES

# The IP of the master
export MASTER_IP="192.168.10.1"

export INSTANCE_PREFIX=kubernetes
export MASTER_NAME="${INSTANCE_PREFIX}-master"

# Map out the IPs, names and container subnets of each node
export NODE_IP_BASE="192.168.10."
setvar NODE_CONTAINER_SUBNET_BASE = ""10.10""
setvar MASTER_CONTAINER_NETMASK = ""255.255.255.0""
setvar MASTER_CONTAINER_ADDR = ""${NODE_CONTAINER_SUBNET_BASE}.0.1""
setvar MASTER_CONTAINER_SUBNET = ""${NODE_CONTAINER_SUBNET_BASE}.0.1/24""
setvar CONTAINER_SUBNET = ""${NODE_CONTAINER_SUBNET_BASE}.0.0/16""
if [[ "$NUM_NODES" -gt 253 ]] {
  echo "ERROR: Because of how IPs are allocated in ${BASH_SOURCE}, you cannot create more than 253 nodes"
  exit 1
}
for ((i=0; i < NUM_NODES; i++)) do
  NODE_IPS[$i]="${NODE_IP_BASE}$((i+2))"
  NODE_NAMES[$i]="${INSTANCE_PREFIX}-node-$((i+1))"
  NODE_CONTAINER_SUBNETS[$i]="${NODE_CONTAINER_SUBNET_BASE}.$((i+1)).1/24"
  NODE_CONTAINER_ADDRS[$i]="${NODE_CONTAINER_SUBNET_BASE}.$((i+1)).1"
  NODE_CONTAINER_NETMASKS[$i]="255.255.255.0"
done
setvar NODE_CONTAINER_SUBNETS[$NUM_NODES]=$MASTER_CONTAINER_SUBNET

setvar SERVICE_CLUSTER_IP_RANGE = "${SERVICE_CLUSTER_IP_RANGE:-10.11.0.0/16}"  # formerly PORTAL_NET


# Optional: Enable node logging.
setvar ENABLE_NODE_LOGGING = 'false'
setvar LOGGING_DESTINATION = 'elasticsearch'

# Optional: Install cluster DNS.
setvar ENABLE_CLUSTER_DNS = "${KUBE_ENABLE_CLUSTER_DNS:-true}"
setvar DNS_SERVER_IP = ""${SERVICE_CLUSTER_IP_RANGE%.*}.254""
setvar DNS_DOMAIN = ""cluster.local""

# Optional: Install cluster registry
setvar ENABLE_CLUSTER_REGISTRY = "${KUBE_ENABLE_CLUSTER_REGISTRY:-true}"

# Optional: Enable DNS horizontal autoscaler
setvar ENABLE_DNS_HORIZONTAL_AUTOSCALER = "${KUBE_ENABLE_DNS_HORIZONTAL_AUTOSCALER:-false}"

#Generate dns files
sed -f "${KUBE_ROOT}/cluster/addons/dns/transforms2sed.sed" < "${KUBE_ROOT}/cluster/addons/dns/kube-dns.yaml.base" | sed -f "${KUBE_ROOT}/cluster/libvirt-coreos/forShellEval.sed"  > "${KUBE_ROOT}/cluster/libvirt-coreos/kube-dns.yaml"


#Generate registry files
sed -f "${KUBE_ROOT}/cluster/libvirt-coreos/forEmptyDirRegistry.sed" < "${KUBE_ROOT}/cluster/addons/registry/registry-rc.yaml"  > "${KUBE_ROOT}/cluster/libvirt-coreos/registry-rc.yaml"