add environment path to instance metadata

Author: sjpb

environments/smslabs/terraform/nodes.tf

@@ -13,6 +13,10 @@ resource "openstack_compute_instance_v2" "control" {
     access_network = true
   }
 
+  metadata = {
+    environment_root = var.environment_root
+  }
+
 }
 
 resource "openstack_compute_instance_v2" "login" {
@@ -31,6 +35,10 @@ resource "openstack_compute_instance_v2" "login" {
     access_network = true
   }
 
+  metadata = {
+    environment_root = var.environment_root
+  }
+
 }
 
 resource "openstack_compute_instance_v2" "compute" {
@@ -49,4 +57,8 @@ resource "openstack_compute_instance_v2" "compute" {
     access_network = true
   }
 
+  metadata = {
+    environment_root = var.environment_root
+  }
+
 }

environments/smslabs/terraform/variables.tf

@@ -66,3 +66,8 @@ variable "compute_images" {
     default = {}
     description = "Mapping to override compute images from compute_types: key ->(str) node name, value -> (str) image name"
 }
+
+variable "environment_root" {
+    type = string
+    description = "Path to environment root, automatically set by activate script"
+}