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#!/bin/bash
# Copyright 2019 AT&T Intellectual Property. All rights reserved.
#
# 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.
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
NO_PROMPT=0
RANDOM_PREFIX="ONAP"
RANDOM_STRING="$RANDOM_PREFIX"-`cat /dev/urandom | env LC_CTYPE=C tr -cd 'a-zA-Z0-9' | head -c 4`
AKS_NAME=
AKS_RESOURCE_GROUP_NAME=
AKS_K8_VERSION=
LOCATION=
AKS_NODE_COUNT=
AKS_NODE_SIZE=
AKS_SERVICE_CIDR=
AKS_POD_CIDR=
AKS_DNS_IP=
AKS_NODE_CIDR=
AKS_NETWORK_NAME=
USER_PUBLIC_IP_PREFIX=
PUBLIC_KEY=
AKS_ADMIN_USER=
function check_required_parameter() {
# arg1 = parameter
# arg2 = parameter name
if [ -z "$1" ]; then
echo "$2 was not was provided. This parameter is required."
exit 1
fi
}
function check_optional_paramater() {
# arg1 = parameter
# arg2 = default
if [ -z "$1" ]; then
echo "$2"
else
echo "$1"
fi
}
while test $# -gt 0; do
case "$1" in
-h|--help)
echo "./create_aks.sh [options]"
echo " "
echo " "
echo "required:"
echo "--user-public-ip public ip that will be granted access to AKS [required]"
echo "--admin-user admin user created on AKS nodes [required]"
echo "--public-key public key added for admin user [required]"
echo "-l, --location location to deploy AKS [required]"
echo " "
echo "additional options:"
echo "-f, --no-prompt executes with no prompt for confirmation"
echo "-h, --help provide brief overview of script"
echo "-n, --name AKS name [optional]"
echo "-g, --resource-group name of resource group that will be created [optional]"
echo "-s, --size azure flavor size for Kube nodes [optional]"
echo "-v, --kube-version version of Kubernetes for cluster [optional]"
echo "-c, --node-count number of nodes for cluster [optional]"
echo "--service-cidr cidr for Kuberenetes services [optional]."
echo "--dns-ip IP for Kuberenetes dns service [optional]. This should be from --service-cidr."
echo "--pod-cidr cidr for Kuberenetes pods [optional]."
echo "--node-cidr cidr for Kuberenetes nodes [optional]."
echo "--vnet-name name of Vnet to create for Kubernetes Cluster [optional]"
echo ""
exit 0
;;
-f|--no-prompt)
shift
NO_PROMPT=1
;;
-n|--name)
shift
AKS_NAME=$1
shift
;;
-g|--resource-group)
shift
AKS_RESOURCE_GROUP_NAME=$1
shift
;;
-s|--size)
shift
AKS_NODE_SIZE=$1
shift
;;
-l|--location)
shift
LOCATION=$1
shift
;;
-v|--kube-version)
shift
AKS_K8_VERSION=$1
shift
;;
-c|--node-count)
shift
AKS_NODE_COUNT=$1
shift
;;
--service-cidr)
shift
AKS_SERVICE_CIDR=$1
shift
;;
--dns-ip)
shift
AKS_DNS_IP=$1
shift
;;
--pod-cidr)
shift
AKS_POD_CIDR=$1
shift
;;
--node-cidr)
shift
AKS_NODE_CIDR=$1
shift
;;
--vnet-name)
shift
AKS_NETWORK_NAME=$1
shift
;;
--user-public-ip)
shift
USER_PUBLIC_IP_PREFIX=$1
shift
;;
--admin-user)
shift
AKS_ADMIN_USER=$1
shift
;;
--public-key)
shift
PUBLIC_KEY=$1
shift
;;
*)
echo "Unknown Argument $1. Try running with --help."
exit 0
;;
esac
done
check_required_parameter "$LOCATION" "--location"
check_required_parameter "$USER_PUBLIC_IP_PREFIX" "--user-public-ip"
check_required_parameter "$AKS_ADMIN_USER" "--admin-user"
check_required_parameter "$PUBLIC_KEY" "--public-key"
AKS_RESOURCE_GROUP_NAME=$(check_optional_paramater "$AKS_RESOURCE_GROUP_NAME" $RANDOM_STRING"-AKSRG")
AKS_NAME=$(check_optional_paramater "$AKS_NAME" $RANDOM_STRING"-AKS")
AKS_NODE_SIZE=$(check_optional_paramater "$AKS_NODE_SIZE" "Standard_DS4_v2")
AKS_POD_CIDR=$(check_optional_paramater "$AKS_POD_CIDR" "168.1.0.0/16")
AKS_NODE_CIDR=$(check_optional_paramater "$AKS_NODE_CIDR" "169.1.0.0/16")
AKS_NETWORK_NAME=$(check_optional_paramater "$AKS_NETWORK_NAME" $RANDOM_STRING"-AKS-VNET")
AKS_SERVICE_CIDR=$(check_optional_paramater "$AKS_SERVICE_CIDR" "170.1.0.0/16")
AKS_DNS_IP=$(check_optional_paramater "$AKS_DNS_IP" "170.1.0.10")
AKS_K8_VERSION=$(check_optional_paramater "$AKS_K8_VERSION" "1.13.5")
AKS_NODE_COUNT=$(check_optional_paramater "$AKS_NODE_COUNT" "7")
if [ $NO_PROMPT = 0 ]; then
read -p "Would you like to proceed? [y/n]" -n 1 -r
echo " "
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
exit 0
fi
fi
set -x
set -e
AKS_SUBNET_NAME=$AKS_NETWORK_NAME"-SUBNET"
echo "Creating AKS Resource Group $AKS_RESOURCE_GROUP_NAME in $LOCATION"
$DIR/create_resource_group.sh "$AKS_RESOURCE_GROUP_NAME" "$LOCATION"
az network vnet create --resource-group "$AKS_RESOURCE_GROUP_NAME" \
--name "$AKS_NETWORK_NAME" \
--address-prefix "$AKS_NODE_CIDR" \
--subnet-name "$AKS_SUBNET_NAME" \
--subnet-prefix "$AKS_NODE_CIDR"
AKS_SUBNET_ID=`az network vnet show --resource-group ${AKS_RESOURCE_GROUP_NAME} --name ${AKS_NETWORK_NAME} --query "subnets | [0] | id" --output tsv`
az aks create --name "$AKS_NAME" \
--resource-group "$AKS_RESOURCE_GROUP_NAME" \
--disable-rbac \
--kubernetes-version "$AKS_K8_VERSION" \
--location "$LOCATION" \
--node-count "$AKS_NODE_COUNT" \
--node-vm-size "$AKS_NODE_SIZE" \
--service-cidr "$AKS_SERVICE_CIDR" \
--pod-cidr "$AKS_POD_CIDR" \
--network-plugin "kubenet" \
--dns-service-ip "$AKS_DNS_IP" \
--admin-username "$AKS_ADMIN_USER" \
--ssh-key-value "$PUBLIC_KEY" \
--vnet-subnet-id "$AKS_SUBNET_ID" \
--vm-set-type "AvailabilitySet" \
--load-balancer-sku "basic"
echo ""
AKS_MANAGEMENT_RESOURCE_GROUP_NAME=`az group list --query "[?starts_with(name, 'MC_${AKS_RESOURCE_GROUP_NAME}')].name | [0]" --output tsv`
AKS_NSG_NAME=`az resource list --resource-group ${AKS_MANAGEMENT_RESOURCE_GROUP_NAME} --resource-type "Microsoft.Network/networkSecurityGroups" --query "[0] | name" --output tsv`
AKS_NSG_ID=`az resource list --resource-group ${AKS_MANAGEMENT_RESOURCE_GROUP_NAME} --resource-type "Microsoft.Network/networkSecurityGroups" --query "[0] | id" --output tsv`
echo "Associating Security Group with AKS Subnet ${AKS_SUBNET_NAME}"
az network vnet subnet update --resource-group="$AKS_RESOURCE_GROUP_NAME" \
--name "$AKS_SUBNET_NAME" \
--vnet-name "$AKS_NETWORK_NAME" \
--network-security-group "$AKS_NSG_ID"
for ((i=0;i<$AKS_NODE_COUNT;i++)); do
NIC_NAME=`az resource list --resource-group ${AKS_MANAGEMENT_RESOURCE_GROUP_NAME} --resource-type "Microsoft.Network/networkInterfaces" --query "[$i] | name" --output tsv`
echo "Associating Security Group ${AKS_NSG_NAME} with AKS Node NIC ${NIC_NAME}"
az network nic update --resource-group "$AKS_MANAGEMENT_RESOURCE_GROUP_NAME" -n "$NIC_NAME" --network-security-group "$AKS_NSG_NAME"
echo ""
done
|
