Added disk size specification when source_iso (#35)

Author: hkajikawa

builder/cloudstack/config.go

@@ -58,8 +58,7 @@ type Config struct {
 	// instance. This option is only available (and also required) when using
 	// source_iso.
 	DiskOffering string `mapstructure:"disk_offering" required:"false"`
-	// The size (in GB) of the root disk of the new
-	// instance. This option is only available when using source_template.
+	// The size (in GB) of the root disk of the new instance.
 	DiskSize int64 `mapstructure:"disk_size" required:"false"`
 	// If `true` make a call to the CloudStack API, after loading image to
 	// cache, requesting to check and detach ISO file (if any) currently

builder/cloudstack/step_create_instance.go

@@ -58,6 +58,7 @@ func (s *stepCreateInstance) Run(ctx context.Context, state multistep.StateBag)
 	if config.SourceISO != "" {
 		p.SetDiskofferingid(config.DiskOffering)
 		p.SetHypervisor(config.Hypervisor)
+		p.SetSize(config.DiskSize)
 	}
 
 	// If we use a template, set the root disk size.

docs-partials/builder/cloudstack/Config-not-required.mdx

@@ -24,8 +24,7 @@
   instance. This option is only available (and also required) when using
   source_iso.
 
-- `disk_size` (int64) - The size (in GB) of the root disk of the new
-  instance. This option is only available when using source_template.
+- `disk_size` (int64) - The size (in GB) of the root disk of the new instance.
 
 - `eject_iso` (bool) - If `true` make a call to the CloudStack API, after loading image to
   cache, requesting to check and detach ISO file (if any) currently

docs/builders/cloudstack.mdx

@@ -99,8 +99,7 @@ builder.
   instance. This option is only available (and also required) when using
   `source_iso`.
 
-- `disk_size` (number) - The size (in GB) of the root disk of the new
-  instance. This option is only available when using `source_template`.
+- `disk_size` (number) - The size (in GB) of the root disk of the new instance.
 
 - `expunge` (boolean) - Set to `true` to expunge the instance when it is
   destroyed. Defaults to `false`.