Erstellen von drei AWS EC2 Instanzen für den Aufbau eines Hochverfügbaren Vault Clusters

init-server.sh

#!/bin/bash
# author: Timo Stankowitz <timo.stankowitz@inf.h-brs.de>
# create date: 2017-11-04
# last change: 2018-12-12
# version 5

# this script creates 3 servers in 3 different AZ's in EU-Central (aka. Frankfurt)

# make sure you have the following variables set in your .bashrc or declare it in this script
# - AWS_ACCESS_KEY_ID
# - AWS_SECRET_ACCESS_KEY
# - AWS_DEFAULT_REGION

operatingImage="ami-05e7f7fc79cd6ba7e" # Container OS (last checked 2018-12-12)
profile="vault-instance-role" # you have to create this by yourself
serverType="t2.micro"
sshKey="timo_ssh_key" # change to your SSH-Key
securityGroupId="sg-c702b7ad" # change to your security Group 

# subnetID in AZ's (change to your subnet-id)
subAZa="subnet-8a9c47e1" # 10.10.1.0/24
subAZb="subnet-73a9b709" # 10.10.2.0/24
subAZc="subnet-1343975e" # 10.10.3.0/24

# create first server in FRA-AZ A
aws ec2 run-instances --image-id $operatingImage --instance-type $serverType --iam-instance-profile Name=$profile \
   --key-name $sshKey --security-group-ids $securityGroupId \
   --subnet-id $subAZa \
   --tag-specifications 'ResourceType=instance,Tags=[{Key=Name,Value=Server_A},{Key=OS,Value=CoreOS},{Key=Cluster,Value=vault-cluster}]'

# second server in FRA-AZ B
aws ec2 run-instances --image-id $operatingImage --instance-type $serverType --iam-instance-profile Name=$profile \
   --key-name $sshKey --security-group-ids $securityGroupId \
   --subnet-id $subAZb \
   --tag-specifications 'ResourceType=instance,Tags=[{Key=Name,Value=Server_B},{Key=OS,Value=CoreOS},{Key=Cluster,Value=vault-cluster}]'

# third server in FRA-AZ C
aws ec2 run-instances --image-id $operatingImage --instance-type $serverType --iam-instance-profile Name=$profile \
   --key-name $sshKey --security-group-ids $securityGroupId \
   --subnet-id $subAZc \
   --tag-specifications 'ResourceType=instance,Tags=[{Key=Name,Value=Server_C},{Key=OS,Value=CoreOS},{Key=Cluster,Value=vault-cluster}]'