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quiver/eic-cli.sh

Last active June 15, 2022 21:23
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  1. quiver revised this gist Jul 3, 2019. 1 changed file with 5 additions and 1 deletion.
    6 changes: 5 additions & 1 deletion eic-cli.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -24,7 +24,11 @@ public_key=${tmpfile}.pub
    private_key=$tmpfile

    # register public key
    aws ec2-instance-connect send-ssh-public-key --instance-id $instance_id --instance-os-user ec2-user --ssh-public-key file://$public_key --availability-zone $availability_zone
    aws ec2-instance-connect send-ssh-public-key \
    --instance-id $instance_id \
    --instance-os-user ec2-user \
    --ssh-public-key file://$public_key \
    --availability-zone $availability_zone

    # ssh into ec2 instance with private key
    ssh -i $private_key ec2-user@$ip_address
  2. quiver created this gist Jul 3, 2019.
    30 changes: 30 additions & 0 deletions eic-cli.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,30 @@
    #!/bin/bash
    # simple shell script to demonstrate how EC2 Instance Connect CLI is implemented.
    # https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstances.html
    #
    # Usage
    # $ bash eic-cli.sh i-1234

    if [ $# -ne 1 ]; then
    echo "Usage"
    echo "$ bash eic-cli.sh i-1234"
    exit 1
    fi

    instance_id=$1

    # get EC2 data
    availability_zone=$(aws ec2 describe-instances --instance-ids $instance_id | jq -r .Reservations[0].Instances[0].Placement.AvailabilityZone)
    ip_address=$(aws ec2 describe-instances --instance-ids $instance_id | jq -r .Reservations[0].Instances[0].PublicIpAddress)

    # generate RSA key pair
    tmpfile=$(mktemp /tmp/ssh.XXXXXX)
    ssh-keygen -C "eic temp key" -q -f $tmpfile -t rsa -b 2048 -N ""
    public_key=${tmpfile}.pub
    private_key=$tmpfile

    # register public key
    aws ec2-instance-connect send-ssh-public-key --instance-id $instance_id --instance-os-user ec2-user --ssh-public-key file://$public_key --availability-zone $availability_zone

    # ssh into ec2 instance with private key
    ssh -i $private_key ec2-user@$ip_address