scheduler: implement role awareness

cluster/mesos/docker/docker-compose.yml

@@ -23,6 +23,7 @@ mesosmaster1:
   - MESOS_QUORUM=1
   - MESOS_REGISTRY=in_memory
   - MESOS_WORK_DIR=/var/lib/mesos
+  - MESOS_ROLES=role1
   links:
   - etcd
   - "ambassador:apiserver"
@@ -40,15 +41,15 @@ mesosslave:
     DOCKER_NETWORK_OFFSET=0.0.$${N}.0
     exec wrapdocker mesos-slave
     --work_dir="/var/tmp/mesos/$${N}"
-    --attributes="rack:$${N};gen:201$${N}"
+    --attributes="rack:$${N};gen:201$${N};role:role$${N}"
     --hostname=$$(getent hosts mesosslave | cut -d' ' -f1 | sort -u | tail -1)
+    --resources="cpus:4;mem:1280;disk:25600;ports:[8000-21099];cpus(role$${N}):1;mem(role$${N}):640;disk(role$${N}):25600;ports(role$${N}):[7000-7999]"
   command: []
   environment:
   - MESOS_MASTER=mesosmaster1:5050
   - MESOS_PORT=5051
   - MESOS_LOG_DIR=/var/log/mesos
   - MESOS_LOGGING_LEVEL=INFO
-  - MESOS_RESOURCES=cpus:4;mem:1280;disk:25600;ports:[8000-21099]
   - MESOS_SWITCH_USER=0
   - MESOS_CONTAINERIZERS=docker,mesos
   - MESOS_ISOLATION=cgroups/cpu,cgroups/mem
@@ -58,8 +59,6 @@ mesosslave:
   - etcd
   - mesosmaster1
   - "ambassador:apiserver"
-  volumes:
-  - ${MESOS_DOCKER_WORK_DIR}/mesosslave:/var/tmp/mesos
 apiserver:
   hostname: apiserver
   image: mesosphere/kubernetes-mesos
@@ -145,6 +144,7 @@ scheduler:
     --mesos-executor-cpus=1.0
     --mesos-sandbox-overlay=/opt/sandbox-overlay.tar.gz
     --static-pods-config=/opt/static-pods
+    --mesos-roles=*,role1
     --v=4
     --executor-logv=4
     --profiling=true