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Get AWS Subnet ID progmatically #16

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4b90659
use the AWS metadata service to determin subnetid
xfrjared Nov 30, 2018
69b305d
moved before directory change
xfrjared Nov 30, 2018
4bd314c
collects vpn client files to ~/proxycannon-vpn-client for easy download
xfrjared Nov 30, 2018
2dd83d6
fixed folder name
xfrjared Nov 30, 2018
f97fe14
fixed message and filepath
xfrjared Nov 30, 2018
6ee7ed4
fixed chown cmd
xfrjared Nov 30, 2018
37a504f
moved size and ami values to variables.tf
xfrjared Nov 30, 2018
eaa61e9
moved node size and ami to variables.tf
xfrjared Nov 30, 2018
e0b96e3
Merge pull request #1 from jaredhaight/move-node-size-to-variables.tf
jaredhaight Nov 30, 2018
ddcae74
Merge pull request #2 from jaredhaight/create-vpn-config-dir
jaredhaight Nov 30, 2018
db658fc
Merge branch 'master' into get-aws-subnet-id
jaredhaight Nov 30, 2018
9a8e5b3
Update install.sh
jaredhaight Nov 30, 2018
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4 changes: 2 additions & 2 deletions nodes/aws/main.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,8 @@ provider "aws" {
}

resource "aws_instance" "exit-node" {
ami = "ami-0f65671a86f061fcd"
instance_type = "t2.micro"
ami = "${var.ami}"
instance_type = "${var.size}"
key_name = "proxycannon"
vpc_security_group_ids = ["${aws_security_group.exit-node-sec-group.id}"]
subnet_id = "${var.subnet_id}"
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10 changes: 10 additions & 0 deletions nodes/aws/variables.tf
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Expand Up @@ -7,6 +7,16 @@ variable "count" {
default = 2
}

# AMI image to use for exit nodes
variable "ami" {
default = "ami-0f65671a86f061fcd"
}

# Size of EC2 VM to spin up for exit nodes
variable "size" {
default = "t2.micro"
}

# launch all exit nodes in the same subnet id
# this should be the same subnet id that your control server is in
# you can get this value from the AWS console when viewing the details of the control-server instance
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19 changes: 15 additions & 4 deletions setup/install.sh
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Expand Up @@ -8,7 +8,7 @@
# update and install deps
apt update
apt -y upgrade
apt -y install unzip git openvpn easy-rsa
apt -y install zip unzip git openvpn easy-rsa

# install terraform
wget https://releases.hashicorp.com/terraform/0.11.10/terraform_0.11.10_linux_amd64.zip
Expand All @@ -21,6 +21,14 @@ rm -rf terraform
mkdir ~/.aws
touch ~/.aws/credentials

##################################
# update subnet id in variables.tf
##################################
MAC=`curl http://169.254.169.254/latest/meta-data/network/interfaces/macs/`
SUBNETID=`curl http://169.254.169.254/latest/meta-data/network/interfaces/macs/$MAC/subnet-id`
sed -i "s/subnet-XXXXXXXX/$SUBNETID/" ../nodes/aws/variables.tf


################
# setup openvpn
################
Expand Down Expand Up @@ -77,10 +85,13 @@ iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
# post install instructions
############################

echo "Copy /etc/openvpn/easy-rsa/keys/ta.key, /etc/openvpn/easy-rsa/keys/ca.crt, /etc/openvpn/easy-rsa/keys/client01.crt, /etc/openvpn/easy-rsa/keys/client01.key, and ~/proxycannon-client.conf to your workstation."

echo "A folder containing the OpenVPN client config has been created at /home/$SUDO_USER/proxycannon-vpn-client."
echo "Download these files by running the following from your workstation (including the trailing period): "
echo
echo "scp -i proxycannon.pem $SUDO_USER@$EIP:/home/$SUDO_USER/proxycannon-vpn-client/* ."
echo
echo "####################### OpenVPN client config [proxycannon-client.conf] ################################"
cat ~/proxycannon-client.conf
cat ~/proxycannon-vpn-client/proxycannon-client.conf

echo "####################### Be sure to add your AWS API keys and SSH keys to the following locations ###################"
echo "copy your aws ssh private key to ~/.ssh/proxycannon.pem and chmod 600"
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