From da927708385384892a3b537d0d12e4947c9fd2f3 Mon Sep 17 00:00:00 2001
From: Dom Del Nano <ddelnano@gmail.com>
Date: Thu, 15 Oct 2020 09:52:38 -0700
Subject: [PATCH] Allow the cloud config attribute for vm resource to be
 optional (#75)

---
 client/vm.go                         |  5 ++-
 docs/resources/vm.md                 |  2 +-
 xoa/resource_xenorchestra_vm.go      |  2 +-
 xoa/resource_xenorchestra_vm_test.go | 50 ++++++++++++++++++++++++++++
 4 files changed, 56 insertions(+), 3 deletions(-)

diff --git a/client/vm.go b/client/vm.go
index f7089989..69dc7420 100644
--- a/client/vm.go
+++ b/client/vm.go
@@ -83,7 +83,6 @@ func (c *Client) CreateVm(name_label, name_description, template, cloudConfig, r
 		"name_label":       name_label,
 		"name_description": name_description,
 		"template":         template,
-		"cloudConfig":      cloudConfig,
 		"coreOs":           false,
 		"cpuCap":           nil,
 		"cpuWeight":        nil,
@@ -93,6 +92,10 @@ func (c *Client) CreateVm(name_label, name_description, template, cloudConfig, r
 		"VIFs":             vifs,
 	}
 
+	if cloudConfig != "" {
+		params["cloudConfig"] = cloudConfig
+	}
+
 	if resourceSet != "" {
 		params["resourceSet"] = resourceSet
 	}
diff --git a/docs/resources/vm.md b/docs/resources/vm.md
index 789e23f1..ee56cacc 100644
--- a/docs/resources/vm.md
+++ b/docs/resources/vm.md
@@ -49,7 +49,7 @@ resource "xenorchestra_vm" "bar" {
 * name_label - (Required) The name of VM.
 * name_description - (Optional) The description of the VM.
 * template - (Required) The ID of the VM template to create the new VM from.
-* cloud_config - (Required) The ID of the cloud config to use
+* cloud_config - (Optional) The content of the cloud config to use
 * cpus - (Required) The number of CPUs the VM will have.
 * memory_max - (Required) The amount of memory in bytes the VM will have.
 * high_availabililty - (Optional) The restart priority for the VM. Possible values are `best-effort`, `restart` and empty string (no restarts on failure. Defaults to empty string.
diff --git a/xoa/resource_xenorchestra_vm.go b/xoa/resource_xenorchestra_vm.go
index 04768948..2b90880f 100644
--- a/xoa/resource_xenorchestra_vm.go
+++ b/xoa/resource_xenorchestra_vm.go
@@ -84,7 +84,7 @@ func resourceRecord() *schema.Resource {
 			},
 			"cloud_config": &schema.Schema{
 				Type:     schema.TypeString,
-				Required: true,
+				Optional: true,
 			},
 			"core_os": &schema.Schema{
 				Type:     schema.TypeBool,
diff --git a/xoa/resource_xenorchestra_vm_test.go b/xoa/resource_xenorchestra_vm_test.go
index 42e113a2..2434a68a 100644
--- a/xoa/resource_xenorchestra_vm_test.go
+++ b/xoa/resource_xenorchestra_vm_test.go
@@ -29,6 +29,24 @@ func TestAccXenorchestraVm_create(t *testing.T) {
 	})
 }
 
+func TestAccXenorchestraVm_createWithoutCloudConfig(t *testing.T) {
+	resourceName := "xenorchestra_vm.bar"
+	resource.Test(t, resource.TestCase{
+		PreCheck:     func() { testAccPreCheck(t) },
+		Providers:    testAccProviders,
+		CheckDestroy: testAccCheckXenorchestraVmDestroy,
+		Steps: []resource.TestStep{
+			{
+				Config: testAccVmWithoutCloudInitConfig(),
+				Check: resource.ComposeAggregateTestCheckFunc(
+					testAccVmExists(resourceName),
+					resource.TestCheckResourceAttrSet(resourceName, "id"),
+					internal.TestCheckTypeSetElemAttrPair(resourceName, "network.*.*", "data.xenorchestra_network.network", "id")),
+			},
+		},
+	})
+}
+
 func TestAccXenorchestraVm_createWithMacAddress(t *testing.T) {
 	resourceName := "xenorchestra_vm.bar"
 	macAddress := "00:0a:83:b1:c0:83"
@@ -268,6 +286,38 @@ func testAccVmExists(resourceName string) resource.TestCheckFunc {
 	}
 }
 
+func testAccVmWithoutCloudInitConfig() string {
+	return fmt.Sprintf(`
+data "xenorchestra_template" "template" {
+    name_label = "%s"
+    pool_id = "%s"
+}
+
+data "xenorchestra_network" "network" {
+    // TODO: Replace this with a better solution
+    name_label = "Pool-wide network associated with eth0"
+    pool_id = "%[2]s"
+}
+
+resource "xenorchestra_vm" "bar" {
+    memory_max = 256000000
+    cpus  = 1
+    name_label = "Terraform testing"
+    name_description = "description"
+    template = "${data.xenorchestra_template.template.id}"
+    network {
+	network_id = "${data.xenorchestra_network.network.id}"
+    }
+
+    disk {
+      sr_id = "%s"
+      name_label = "xo provider root"
+      size = 10000000000
+    }
+}
+`, accTemplateName, accTestPool.Id, accDefaultSr.Id)
+}
+
 func testAccVmConfig() string {
 	return testAccCloudConfigConfig("vm-template", "template") + fmt.Sprintf(`
 data "xenorchestra_template" "template" {