AWS Cloudshell init script

cloudshell-init.sh

#!/bin/sh
defaultUser="ImIOImI"
defaultEmail="troy.knapp@gmail.com"

rsaKeyFile=/home/cloudshell-user/.ssh/id_rsa
if [ ! -f "$rsaKeyFile" ]; then
    #add rsa key
    ssh-keygen -b 2048 -t rsa -f "$rsaKeyFile" -q -N ""
    echo "Please copy the following into your GitHub profile here: https://github.com/settings/ssh/new
    "
    cat /home/cloudshell-user/.ssh/id_rsa.pub

    read -r -p "Press any key to continue...
    "
fi

read -p "GitHub Username: [$defaultUser]" uservar
read -p "GitHub Email: [$defaultEmail]" emailvar
uservar=${uservar:-${defaultUser}}
emailvar=${emailvar:-${defaultEmail}}

echo "Using... 
username: $uservar
email: $emailvar
"

git config --global user.name $uservar
git config --global user.email $emailvar
git config --global credential.helper cache

sshConfig=<<EOD
Host github.com
    User git
    Hostname github.com
    PreferredAuthentications publickey
    IdentityFile /home/cloudshell-user/.ssh/id_rsa
EOD

echo $sshConfig >> /home/cloudshell-user/.ssh/config
chmod 600 /home/cloudshell-user/.ssh/config

eval $(ssh-agent -s)
ssh-add /home/cloudshell-user/.ssh/id_rsa

#get cloud extensions script
sudo ssh-keyscan -H github.com >> ~/.ssh/known_hosts
git clone git@github.com:ImIOImI/extensions-for-aws-managed-shells.git

#run cloud extensions script
cd extensions-for-aws-managed-shells
sh extensions-for-aws-managed-shells.sh
cd ~

#add all the eks clusters you have access to
clusters=$(aws eks list-clusters | grep -oP '"(.*?)"' | sed 's/"clusters"//' | sed -e 's/^"//' -e 's/"$//')
echo $clusters
for val in $clusters; do
    aws eks update-kubeconfig --name $val --alias $val
done