Support Private IP for Instance create (#210)

* Support Private IP for Instance create

civo/instances/resource_instance.go

@@ -160,6 +160,11 @@ func ResourceInstance() *schema.Resource {
 				Computed:    true,
 				Description: "Timestamp when the instance was created",
 			},
+			"private_ipv4": {
+				Type:        schema.TypeString,
+				Optional:    true,
+				Description: "The private IPv4 address for the instance (optional)",
+			},
 			"reserved_ipv4": {
 				Type:        schema.TypeString,
 				Optional:    true,
@@ -216,6 +221,10 @@ func resourceInstanceCreate(ctx context.Context, d *schema.ResourceData, m inter
 		config.PublicIPRequired = attr.(string)
 	}
 
+	if privateIPv4, ok := d.GetOk("private_ipv4"); ok {
+		config.PrivateIPv4 = privateIPv4.(string)
+	}
+
 	if v, ok := d.GetOk("reserved_ipv4"); ok {
 		config.ReservedIPv4 = v.(string)
 	}
@@ -471,7 +480,7 @@ func resourceInstanceUpdate(ctx context.Context, d *schema.ResourceData, m inter
 func resourceInstanceDelete(_ context.Context, d *schema.ResourceData, m interface{}) diag.Diagnostics {
 	apiClient := m.(*civogo.Client)
 
-	// overwrite the region if is define in the datasource
+	// overwrite the region if is defined in the datasource
 	if region, ok := d.GetOk("region"); ok {
 		apiClient.Region = region.(string)
 	}

go.mod

@@ -1,12 +1,12 @@
 module github.com/civo/terraform-provider-civo
 
 require (
-	github.com/civo/civogo v0.3.68
+	github.com/civo/civogo v0.3.69
 	github.com/google/uuid v1.3.1
 	github.com/hashicorp/go-cty v1.4.1-0.20200414143053-d3edf31b6320
 	github.com/hashicorp/terraform-plugin-sdk/v2 v2.31.0
 	github.com/stretchr/testify v1.8.4
-	golang.org/x/crypto v0.18.0
+	golang.org/x/crypto v0.21.0
 	k8s.io/api v0.29.1
 )
 
@@ -59,8 +59,8 @@ require (
 	github.com/vmihailenco/tagparser/v2 v2.0.0 // indirect
 	github.com/zclconf/go-cty v1.14.1 // indirect
 	golang.org/x/mod v0.16.0 // indirect
-	golang.org/x/net v0.20.0 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/net v0.23.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20231002182017-d307bd883b97 // indirect