also support for docker-ce

Signed-off-by: Nicolas De Loof <[email protected]>

Author: ndeloof

src/main/java/org/jenkinsci/plugins/docker/workflow/client/ControlGroup.java

@@ -53,6 +53,7 @@ public String getContainerId() throws IOException {
         if (group.contains("/docker/")) {
             // 4:cpuset:/system.slice/docker-3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b.scope
             // 2:cpu:/docker/3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b
+            // 2:cpu:/docker-ce/docker/7cacbc548047c130ae50653548f037285806d49c0c4c1543925cffb8873ed213
             // 10:cpu,cpuacct:/docker/a9f3c3932cd81c4a74cc7e0a18c3300255159512f1d000545c42895adaf68932/docker/3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b
             // 3:cpu:/docker/4193df6bcf5fce75f3fc77f303b2ac06fb664adeb269b959b7ae17b3f8dcf329/3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b
             int i = group.lastIndexOf('/');

src/test/java/org/jenkinsci/plugins/docker/workflow/client/ControlGroupTest.java

@@ -22,7 +22,8 @@ public void test_cgroup_string_matching() throws IOException {
             "3:cpu:/docker/4193df6bcf5fce75f3fc77f303b2ac06fb664adeb269b959b7ae17b3f8dcf329/3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b",
             "8:cpuset:/kubepods.slice/kubepods-pod9c26dfb6_b9c9_11e7_bfb9_02c6c1fc4861.slice/docker-3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b.scope",
             "8:cpuset:/kubepods/besteffort/pod60070ae4-c63a-11e7-92b3-0adc1ac11520/3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b",
-            "7:cpu:/ecs/0410eff2-7e59-4111-823e-1e0d98ef7f30/3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b"
+            "7:cpu:/ecs/0410eff2-7e59-4111-823e-1e0d98ef7f30/3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b",
+            "2:cpu:/docker-ce/docker/3dd988081e7149463c043b5d9c57d7309e079c5e9290f91feba1cc45a04d6a5b"
         };
 
         for (final String possibleCgroupString : possibleCgroupStrings) {