Format file, change ami-naming to match existing AMI

Author: shub-kris

infrastructure/ami/hcl2-files/build.pkr.hcl

@@ -17,13 +17,13 @@ build {
     inline = ["echo 'source /opt/aws_neuron_venv_pytorch/bin/activate' >> /home/ubuntu/.bashrc"]
   }
   provisioner "file" {
-    source = "scripts/welcome-msg.sh"
+    source      = "scripts/welcome-msg.sh"
     destination = "/tmp/99-custom-message"
   }
   provisioner "shell" {
     inline = [
-    "sudo mv /tmp/99-custom-message /etc/update-motd.d/",
-    "sudo chmod +x /etc/update-motd.d/99-custom-message",
-  ]
+      "sudo mv /tmp/99-custom-message /etc/update-motd.d/",
+      "sudo chmod +x /etc/update-motd.d/99-custom-message",
+    ]
   }
 }

infrastructure/ami/hcl2-files/sources.pkr.hcl

@@ -1,12 +1,11 @@
 source "amazon-ebs" "ubuntu" {
-  ami_name      = "huggingface-neuron-dl-ami-ubuntu-20.04_{{timestamp}}"
+  ami_name      = "huggingface-neuron-{{isotime \"2006-01-02T15-04-05Z\"}}"
   instance_type = var.instance_type
   region        = var.region
   source_ami    = var.source_ami
   ssh_username  = var.ssh_username
   launch_block_device_mappings {
     device_name           = "/dev/sda1"
-    // encrypted             = true
     volume_size           = 512
     volume_type           = "gp2"
     delete_on_termination = true