imp: add ec2 region ssh_config and list-machines metadata

Author: johnalotoski

Justfile

@@ -452,6 +452,7 @@ list-machines:
       pubIpv6: $"(ansi red)--",
       Id: $"(ansi red)--",
       Type: $"(ansi red)--"
+      Region: $"(ansi red)--"
     }
   }
 
@@ -471,7 +472,7 @@ list-machines:
         let machine = ($host | str replace -r '\.ipv(4|6)$' '')
 
         let update = if ($host | str ends-with ".ipv4") {
-          { pubIpv4: $hostData }
+          { pubIpv4: $hostData, Region: $it.Tag }
         } else if ($host | str ends-with ".ipv6") {
           { pubIpv6: $hostData }
         } else {
@@ -799,6 +800,7 @@ ssh-config-example:
 
   Host machine-example-1.ipv4
     HostName 1.2.3.5
+    Tag eu-central-1
 
   Host machine-example-1.ipv6
     HostName ff00::01

flake/opentofu/cluster.nix

@@ -683,6 +683,7 @@ in {
 
                     Host ${name}.ipv4
                       HostName ''${aws_eip.${name}[0].public_ip}
+                      Tag ${nodes.${name}.aws.region}
 
                     Host ${name}.ipv6
                       HostName ''${length(aws_instance.${name}[0].ipv6_addresses) > 0 ? aws_instance.${name}[0].ipv6_addresses[0] : "unavailable.ipv6"}