Support filtering dangling networks (fixes #104)

dmandalidis · Dec 7, 2019 · 37bad51 · 37bad51
1 parent 14fdab4
commit 37bad51
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diff --git a/src/main/java/org/mandas/docker/client/DockerClient.java b/src/main/java/org/mandas/docker/client/DockerClient.java
@@ -1775,6 +1775,16 @@ public static ListNetworksParam withType(final Network.Type type) {
       return filter("type", type.getName());
     }
 
+    /**
+     * Filter dagling networks.
+     * Networks not used by a container/service.
+     * @return The ListNetworksParam for the given type.
+     * @since Docker 19.03, API version 1.40
+     */
+    public static ListNetworksParam dangling() {
+      return filter("dangling", "true");	
+    }
+
     /**
      * Return built-in networks only.
      * @return The ListNetworksParam for built-in networks.

diff --git a/src/test/java/org/mandas/docker/client/DefaultDockerClientTest.java b/src/test/java/org/mandas/docker/client/DefaultDockerClientTest.java
@@ -3616,6 +3616,11 @@ public void testFilterNetworks() throws Exception {
     networks = sut.listNetworks(ListNetworksParam.withLabel("is-test", "false"));
     assertThat(networks, not(hasItems(network1, network2)));
 
+    if (dockerApiVersionAtLeast("1.40")) {
+	    networks = sut.listNetworks(ListNetworksParam.dangling());
+	    assertThat(networks, hasItems(network1, network2));
+    }
+
     sut.removeNetwork(network1.id());
     sut.removeNetwork(network2.id());
   }