From 37bff3d81468547b64506d3d46c7329298f5d20f Mon Sep 17 00:00:00 2001
From: Jeremy Maness <jeremy.maness@pureport.com>
Date: Tue, 5 Mar 2019 12:08:20 -0500
Subject: [PATCH] Make Network MTU writable assuming that the net-mtu-writable
 extension is enabled

---
 .../openstack4j/model/network/NetworkUpdate.java   |  8 +++++++-
 .../model/network/builder/NetworkBuilder.java      |  7 +++++++
 .../network/builder/NetworkUpdateBuilder.java      |  8 ++++++++
 .../networking/domain/NeutronNetwork.java          |  6 ++++++
 .../networking/domain/NeutronNetworkUpdate.java    | 14 ++++++++++++++
 5 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/org/openstack4j/model/network/NetworkUpdate.java b/core/src/main/java/org/openstack4j/model/network/NetworkUpdate.java
index d39f119f9..52294b836 100644
--- a/core/src/main/java/org/openstack4j/model/network/NetworkUpdate.java
+++ b/core/src/main/java/org/openstack4j/model/network/NetworkUpdate.java
@@ -31,5 +31,11 @@ public interface NetworkUpdate extends ModelEntity, Buildable<NetworkUpdateBuild
      * @return true if this network is shared
      */
     boolean isShared();
-    
+
+    /**
+     * Requires the net-mtu-writable extension
+     *
+     * @return the MTU value to update on the network
+     */
+    Integer getMTU();
 }
diff --git a/core/src/main/java/org/openstack4j/model/network/builder/NetworkBuilder.java b/core/src/main/java/org/openstack4j/model/network/builder/NetworkBuilder.java
index 25d67e9c1..ad142eaaf 100644
--- a/core/src/main/java/org/openstack4j/model/network/builder/NetworkBuilder.java
+++ b/core/src/main/java/org/openstack4j/model/network/builder/NetworkBuilder.java
@@ -55,4 +55,11 @@ public interface NetworkBuilder extends Builder<NetworkBuilder, Network> {
 	 * @see Network#getAvailabilityZoneHints()
 	 */
 	NetworkBuilder addAvailabilityZoneHints(String availabilityZone);
+
+	/**
+	 * Requires the net-mtu-writable extension
+	 *
+	 * @see Network#getMTU()
+	 */
+	NetworkBuilder mtu(Integer mtu);
 }
diff --git a/core/src/main/java/org/openstack4j/model/network/builder/NetworkUpdateBuilder.java b/core/src/main/java/org/openstack4j/model/network/builder/NetworkUpdateBuilder.java
index ee5c1a249..aebe6bd0f 100644
--- a/core/src/main/java/org/openstack4j/model/network/builder/NetworkUpdateBuilder.java
+++ b/core/src/main/java/org/openstack4j/model/network/builder/NetworkUpdateBuilder.java
@@ -33,4 +33,12 @@ public interface NetworkUpdateBuilder extends Builder<NetworkUpdateBuilder, Netw
      * @return the builder
      */
     NetworkUpdateBuilder shared(boolean shared);
+
+    /**
+     * Requires the net-mtu-writable extension
+     *
+     * @param mtu MTU integer
+     * @return the builder
+     */
+    NetworkUpdateBuilder mtu(Integer mtu);
 }
diff --git a/core/src/main/java/org/openstack4j/openstack/networking/domain/NeutronNetwork.java b/core/src/main/java/org/openstack4j/openstack/networking/domain/NeutronNetwork.java
index de9dab458..e8cb4ea98 100644
--- a/core/src/main/java/org/openstack4j/openstack/networking/domain/NeutronNetwork.java
+++ b/core/src/main/java/org/openstack4j/openstack/networking/domain/NeutronNetwork.java
@@ -350,6 +350,12 @@ public NetworkBuilder isRouterExternal(boolean routerExternal) {
             return this;
         }
 
+        @Override
+        public NetworkBuilder mtu(Integer mtu) {
+            m.mtu = mtu;
+            return this;
+        }
+
         @Override
         public Network build() {
             return m;
diff --git a/core/src/main/java/org/openstack4j/openstack/networking/domain/NeutronNetworkUpdate.java b/core/src/main/java/org/openstack4j/openstack/networking/domain/NeutronNetworkUpdate.java
index d8a93235d..976f8c33f 100644
--- a/core/src/main/java/org/openstack4j/openstack/networking/domain/NeutronNetworkUpdate.java
+++ b/core/src/main/java/org/openstack4j/openstack/networking/domain/NeutronNetworkUpdate.java
@@ -25,6 +25,9 @@ public class NeutronNetworkUpdate implements NetworkUpdate {
     @JsonProperty("admin_state_up")
     private Boolean adminStateUp;
 
+    @JsonProperty("mtu")
+    private Integer mtu;
+
     public static NetworkUpdateBuilder builder() {
         return new NetworkUpdateConcreteBuilder();
     }
@@ -51,6 +54,12 @@ public boolean isShared() {
         return shared == null ? false : shared;
     }
 
+    @JsonIgnore
+    @Override
+    public Integer getMTU() {
+        return mtu;
+    }
+
     @Override
     public String toString() {
         return MoreObjects.toStringHelper(this).omitNullValues()
@@ -99,5 +108,10 @@ public NetworkUpdateBuilder shared(boolean shared) {
             return this;
         }
 
+        @Override
+        public NetworkUpdateBuilder mtu(Integer mtu) {
+            model.mtu = mtu;
+            return this;
+        }
     }
 }