Merge pull request #24 from HideyoshiNakazone/even-smaller-instances

Configures Smaller Instance and Swap Space

.github/workflows/terraform.yml

@@ -45,8 +45,9 @@ jobs:
       run: terraform apply -auto-approve -input=false
 
     - name: Deploy Project via Dispatcher
+      if: env.TF_WORKSPACE == 'prod'
       env:
-        DISPATCHER_EVENT: ${{env.TF_WORKSPACE == 'prod' && 'deploy-prod' || 'deploy-staging'}}
+        DISPATCHER_EVENT: 'deploy-prod'
       run: |
         curl -X POST https://api.github.com/repos/HideyoshiNakazone/infra-hideyoshi.com/dispatches \
              -H 'Accept: application/vnd.github.everest-preview+json' \

instances/instance.tf

@@ -72,7 +72,7 @@ resource "aws_security_group" "project_pool" {
 
 resource "aws_instance" "main" {
     ami = "ami-0af6e9042ea5a4e3e"
-    instance_type = "t3a.small"
+    instance_type = "t2.micro"
     vpc_security_group_ids = [ aws_security_group.project_pool.id ]
 
     key_name = aws_key_pair.ssh_key_main.key_name
@@ -92,6 +92,10 @@ resource "aws_instance" "main" {
         }
         
         inline = [
+            "sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024",
+            "sudo /sbin/mkswap /var/swap.1",
+            "sudo chmod 600 /var/swap.1",
+            "sudo /sbin/swapon /var/swap.1",
             "echo 'curl -sfL https://get.k3s.io | K3S_TOKEN=\"${var.k3s_token}\" K3S_KUBECONFIG_MODE=644 INSTALL_K3S_EXEC=\"server --disable=traefik\" sh -' >> /home/ubuntu/setup.sh",
             "echo 'mkdir /home/ubuntu/.kube' >> /home/ubuntu/setup.sh",
             "echo 'sudo chmod 644 /etc/rancher/k3s/k3s.yaml' >> /home/ubuntu/setup.sh",
@@ -130,6 +134,10 @@ resource "aws_instance" "worker" {
         }
         
         inline = [
+            "sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024",
+            "sudo /sbin/mkswap /var/swap.1",
+            "sudo chmod 600 /var/swap.1",
+            "sudo /sbin/swapon /var/swap.1",
             "echo 'curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC=\"agent\" K3S_TOKEN=\"${var.k3s_token}\" K3S_URL=\"${var.project_domain}:6443\" sh -s -' >> /home/ubuntu/setup.sh",
             "chmod +x /home/ubuntu/setup.sh",
             "while ! nc -z ${aws_instance.main.public_ip} 6443; do sleep 0.1; done",

instances/scripts/setup_server.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-
+# Configuring ssh keys
 echo -e "${extra_key}" >> /home/ubuntu/.ssh/authorized_keys;
 echo -e "${terraform_key}" >> /home/ubuntu/.ssh/authorized_keys;