support for mutli-attach block storage

Author: varmax2511

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### Added
 - Support Etag for ListObjects
 - Support for Network Security Groups in `oci_file_storage_mount_target` resource
+- Support for multi-attach for block storage
 
 ## 3.54.0 (November 27, 2019)
 

examples/compute/instance/pv_encryption_enabled_volume_attachment.tf

@@ -3,16 +3,17 @@
 # Instance with encryption in transit enabled
 
 resource "oci_core_instance" "test_instance_with_pv_encryption_in_transit" {
+  count               = 2
   availability_domain = "${data.oci_identity_availability_domain.ad.name}"
   compartment_id      = "${var.compartment_ocid}"
-  display_name        = "TestInstance"
+  display_name        = "TestInstance${count.index}"
   shape               = "${var.instance_shape}"
 
   create_vnic_details {
     subnet_id        = "${oci_core_subnet.test_subnet.id}"
     display_name     = "Primaryvnic"
     assign_public_ip = true
-    hostname_label   = "testinstance"
+    hostname_label   = "testinstance${count.index}"
   }
 
   source_details {
@@ -38,12 +39,14 @@ resource "oci_core_volume" "test_volume" {
 }
 
 resource "oci_core_volume_attachment" "test_volume_attachment" {
+  count                               = 2
   attachment_type                     = "paravirtualized"
-  instance_id                         = "${oci_core_instance.test_instance_with_pv_encryption_in_transit.id}"
+  instance_id                         = "${oci_core_instance.test_instance_with_pv_encryption_in_transit.*.id[count.index]}"
   volume_id                           = "${oci_core_volume.test_volume.id}"
   display_name                        = "TestVolumeAttachment"
   is_read_only                        = true
   is_pv_encryption_in_transit_enabled = true
+  is_shareable                        = "true"
 }
 
 # Gets a list of all Oracle Linux 7.5 images that support a given Instance shape

oci/core_volume_attachment_resource.go

@@ -71,6 +71,12 @@ func CoreVolumeAttachmentResource() *schema.Resource {
 				Computed: true,
 				ForceNew: true,
 			},
+			"is_shareable": {
+				Type:     schema.TypeBool,
+				Optional: true,
+				Computed: true,
+				ForceNew: true,
+			},
 			"use_chap": {
 				Type:     schema.TypeBool,
 				Optional: true,
@@ -379,6 +385,10 @@ func (s *CoreVolumeAttachmentResourceCrud) populateTopLevelPolymorphicAttachVolu
 			tmp := isReadOnly.(bool)
 			details.IsReadOnly = &tmp
 		}
+		if isShareable, ok := s.D.GetOkExists("is_shareable"); ok {
+			tmp := isShareable.(bool)
+			details.IsShareable = &tmp
+		}
 		if volumeId, ok := s.D.GetOkExists("volume_id"); ok {
 			tmp := volumeId.(string)
 			details.VolumeId = &tmp
@@ -406,6 +416,10 @@ func (s *CoreVolumeAttachmentResourceCrud) populateTopLevelPolymorphicAttachVolu
 			tmp := isReadOnly.(bool)
 			details.IsReadOnly = &tmp
 		}
+		if isShareable, ok := s.D.GetOkExists("is_shareable"); ok {
+			tmp := isShareable.(bool)
+			details.IsShareable = &tmp
+		}
 		if volumeId, ok := s.D.GetOkExists("volume_id"); ok {
 			tmp := volumeId.(string)
 			details.VolumeId = &tmp