add boot vol size instance var

Author: William Graef

ocne2/build.yml

@@ -12,7 +12,7 @@
     source_details:
       image_id: "{{ ol_image_id }}"
       source_type: image
-      boot_volume_size_in_gbs: 128
+      boot_volume_size_in_gbs: "{{ item.value.boot_volume_size_in_gbs | default(50) | int }}"
     shape: "{{ instance_shape }}"
     shape_config:
       ocpus: "{{ instance_ocpus }}"

ocne2/create_instance.yml

@@ -292,6 +292,11 @@
         - debug_enabled
         - inventory_hostname == ansible_play_hosts_all[0]
 
+    - name: Grow the root filesystem
+      ansible.builtin.shell: |
+        /usr/libexec/oci-growfs -y
+      when: (boot_volume_size_in_gbs is defined) and (boot_volume_size_in_gbs > 50)
+
     - name: Configure instance
       ansible.builtin.include_tasks: "host_setup.yml"
 

ocne2/default_vars.yml

@@ -2,6 +2,7 @@ compute_instances:
   1:
     instance_name: "ocne"
     type: "server"
+    boot_volume_size_in_gbs: 50
 os: "Oracle Linux"
 os_version: "8"
 instance_shape: "VM.Standard.E4.Flex"