#!/bin/bash -e # # Copyright 2020 Samsung Electronics Co., Ltd. # # 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. # DNS_PORT=31555 CLUSTER_CONTROL=$( kubectl get no -l node-role.kubernetes.io/controlplane=true -o jsonpath='{.items..metadata.name}') CLUSTER_IP=$(kubectl get no $CLUSTER_CONTROL -o jsonpath='{.metadata.annotations.rke\.cattle\.io/external-ip }') SPATH="$( dirname "$( which "$0" )" )" usage() { cat << ==usage $0 [cluster_domain] [lb_ip] [helm_chart_args] ... [cluster_domain] Default value simpledemo.onap.org [lb_ip] Default value LoadBalancer IP [helm_chart_args] ... Optional arguments passed to helm install command $0 --help This message $0 --info Display howto configure target machine ==usage } target_machine_notice_info() { cat << ==infodeploy Extra DNS server already deployed: 1. You can add the DNS server to the target machine using following commands: sudo iptables -t nat -A OUTPUT -p tcp -d 192.168.211.211 --dport 53 -j DNAT --to-destination $CLUSTER_IP:$DNS_PORT sudo iptables -t nat -A OUTPUT -p udp -d 192.168.211.211 --dport 53 -j DNAT --to-destination $CLUSTER_IP:$DNS_PORT sudo sysctl -w net.ipv4.conf.all.route_localnet=1 sudo sysctl -w net.ipv4.ip_forward=1 2. Update /etc/resolv.conf file with nameserver 192.168.211.211 entry on your target machine ==infodeploy } list_node_with_external_addrs() { local WORKER_NODES=$(kubectl get no -l node-role.kubernetes.io/worker=true -o jsonpath='{.items..metadata.name}') for worker in $WORKER_NODES; do local external_ip=$(kubectl get no $worker -o jsonpath='{.metadata.annotations.rke\.cattle\.io/external-ip }') local internal_ip=$(kubectl get no $worker -o jsonpath='{.metadata.annotations.rke\.cattle\.io/internal-ip }') if [ $internal_ip != $external_ip ]; then echo $external_ip break fi done } ingress_controller_ip() { local metal_ns=$(kubectl get ns --no-headers --output=custom-columns=NAME:metadata.name |grep metallb-system) if [ -z $metal_ns ]; then echo $CLUSTER_IP else list_node_with_external_addrs fi } deploy() { local ingress_ip=$(ingress_controller_ip) pushd "$SPATH/bind9dns" > /dev/null if [ $# -eq 0 ]; then local cl_domain="simpledemo.onap.org" else local cl_domain=$1 shift fi if [ $# -ne 0 ]; then ingress_ip=$1 shift fi helm install . --set dnsconf.wildcard="$cl_domain=$ingress_ip" $@ popd > /dev/null target_machine_notice_info } if [ $# -eq 1 ] && [ "$1" = "-h" ]; then usage elif [ $# -eq 1 ] && [ "$1" = "--help" ]; then usage elif [ $# -eq 1 ] && [ "$1" = "--info" ]; then target_machine_notice_info else deploy $@ fi