1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
#!/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 "$AKS_SUBNET_ID"
echo ""
AKS_MANAGEMENT_RESOURCE_GROUP_NAME=`az group list --query "[?starts_with(name, 'MC_${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
|
