fix: attach ssh public key to ec2 instance

Update `ssh` module to provide `key_name` to be appended to ec2 instance

modules/ec2/main.tf

@@ -82,6 +82,7 @@ resource "aws_eip_association" "jenkins_server_eip_association" {
 resource "aws_instance" "jenkins_server" {
   ami           = data.aws_ami.jenkins_ami.id
   instance_type = var.instance_type
+  key_name      = var.ssh_key_name
 
   network_interface {
     network_interface_id = aws_network_interface.jenkins_server_nic.id

modules/ec2/userdata.sh

@@ -3,13 +3,16 @@
 cd /etc/caddy/ || exit
 sudo mv Caddyfile Caddyfile.backup
 touch Caddyfile
-echo "${DOMAIN_NAME}" > domain.txt
+echo "${DOMAIN_NAME}" >domain.txt
 
-tee -a ./Caddyfile << END
+tee -a ./Caddyfile <<END
+{
+    acme_ca https://acme-staging-v02.api.letsencrypt.org/directory
+}
 ${DOMAIN_NAME} {
   root * /usr/share/caddy
   reverse_proxy localhost:8080
 }
 END
 
-sudo systemctl restart caddy.service
+sudo systemctl restart caddy.service

modules/ec2/variables.tf

@@ -5,3 +5,4 @@ variable "public_subnets" {}
 variable "domain_name" {}
 variable "igw_id" {}
 variable "vpc_id" {}
+variable "ssh_key_name" {}

modules/ssh/output.tf

@@ -0,0 +1,3 @@
+output "ssh_key_name" {
+  value = aws_key_pair.jenkins_key.key_name
+}

root/main.tf

@@ -8,6 +8,11 @@ module "vpc" {
   private_subnets               = var.private_subnets
 }
 
+module "ssh" {
+  source       = "../modules/ssh"
+  ssh_key_file = var.ssh_key_file
+}
+
 module "ec2" {
   source           = "../modules/ec2"
   root_account_ids = var.root_account_ids
@@ -17,9 +22,5 @@ module "ec2" {
   domain_name      = var.domain_name
   igw_id           = module.vpc.igw_id
   vpc_id           = module.vpc.vpc_id
-}
-
-module "ssh" {
-  source       = "../modules/ssh"
-  ssh_key_file = var.ssh_key_file
+  ssh_key_name     = module.ssh.ssh_key_name
 }