Update main.tf

Accept node version and cpu architecture as parameters

Author: pxaws

terraform/node/ec2/default/main.tf

@@ -46,15 +46,15 @@ data "aws_ami" "ami" {
   most_recent      = true
   filter {
     name = "name"
-    values = ["al20*-ami-minimal-*-x86_64"]
+    values = ["al20*-ami-minimal-*-${var.cpu_architecture}"]
   }
   filter {
     name   = "state"
     values = ["available"]
   }
   filter {
     name   = "architecture"
-    values = ["x86_64"]
+    values = ["${var.cpu_architecture}"]
   }
   filter {
     name   = "image-type"
@@ -108,7 +108,21 @@ resource "null_resource" "main_service_setup" {
       #!/bin/bash
 
       # Set up environment
-      sudo yum install nodejs unzip wget tmux aws-cli -y
+      sudo yum install unzip wget tmux aws-cli -y
+
+      # Install nvm
+      wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
+      export NVM_DIR="$HOME/.nvm"
+      [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
+
+      # Install the specified Node.js version, or use the system's version if 'none'
+      if [[ "${var.language_version}" != "none" ]]; then
+        nvm install ${var.language_version}
+        nvm use ${var.language_version}
+      else
+        sudo yum install nodejs -y
+        echo "Using the default Node.js version provided by the OS"
+      fi
 
       echo "Node version in use: $(node -v)"
 
@@ -205,7 +219,21 @@ resource "null_resource" "remote_service_setup" {
       #!/bin/bash
 
       # Set up environment
-      sudo yum install nodejs unzip wget tmux aws-cli -y
+      sudo yum install unzip wget tmux aws-cli -y
+
+      # Install nvm
+      wget -qO- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
+      export NVM_DIR="$HOME/.nvm"
+      [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm
+
+      # Install the specified Node.js version, or use the system's version if 'none'
+      if [[ "${var.language_version}" != "none" ]]; then
+        nvm install ${var.language_version}
+        nvm use ${var.language_version}
+      else
+        sudo yum install nodejs -y
+        echo "Using the default Node.js version provided by the OS"
+      fi
 
       echo "Node version in use: $(node -v)"
 

terraform/node/ec2/default/variables.tf

@@ -25,6 +25,16 @@ variable "user" {
   default = "ec2-user"
 }
 
+variable "cpu_architecture" {
+  default = "x86_64" # an alternative value is "arm64"
+}
+
+variable "language_version" {
+  # none means to use the version packaged with the OS
+  # other alternatives are "14", "16", "18", "20", "22"
+  default = "none"
+}
+
 variable "sample_app_zip" {
   default = "s3://<bucket-name>/<zip>"
 }