*** saga dag definition ***
saga graph: 
digraph {
    0 [ label = "Action { name: \"instance_id\", label: \"InstanceCreate\", action_name: \"instance_create\" }" ]
    1 [ label = "Constant { name: \"server_alloc_params\", value: Object {\"number_of_things\": Number(1)} }" ]
    2 [ label = "Action { name: \"instance_ip\", label: \"VpcAllocIp\", action_name: \"vpc_alloc_ip\" }" ]
    3 [ label = "Action { name: \"volume_id\", label: \"VolumeCreate\", action_name: \"volume_create\" }" ]
    4 [ label = "SubsagaStart { saga_name: \"server-alloc\", params_node_name: \"server_alloc_params\" }" ]
    5 [ label = "Action { name: \"server_id\", label: \"ServerPick\", action_name: \"server_pick\" }" ]
    6 [ label = "Action { name: \"server_reserve\", label: \"ServerReserve\", action_name: \"server_reserve\" }" ]
    7 [ label = "SubsagaEnd { name: \"server_alloc\" }" ]
    8 [ label = "Action { name: \"instance_configure\", label: \"InstanceConfigure\", action_name: \"instance_configure\" }" ]
    9 [ label = "Action { name: \"volume_attach\", label: \"VolumeAttach\", action_name: \"volume_attach\" }" ]
    10 [ label = "Action { name: \"instance_boot\", label: \"InstanceBoot\", action_name: \"instance_boot\" }" ]
    11 [ label = "Action { name: \"print\", label: \"Print\", action_name: \"print\" }" ]
    12 [ label = "Start { params: Object {\"instance_name\": String(\"fake-o instance\"), \"number_of_instances\": Number(1)} }" ]
    13 [ label = "End" ]
    0 -> 1 [ ]
    1 -> 2 [ ]
    1 -> 3 [ ]
    1 -> 4 [ ]
    5 -> 6 [ ]
    4 -> 5 [ ]
    6 -> 7 [ ]
    2 -> 8 [ ]
    3 -> 8 [ ]
    7 -> 8 [ ]
    8 -> 9 [ ]
    9 -> 10 [ ]
    10 -> 11 [ ]
    12 -> 0 [ ]
    11 -> 13 [ ]
}

*** initial state ***
+ saga execution: 049b2522-308d-442e-bc65-9bfaef863597
+-- queued-todo: (start node)
+-- blocked: InstanceCreate (produces "instance_id")
+-- blocked: (constant = {"number_of_things":1}) (produces "server_alloc_params")
+-- (parallel actions):
        +-- blocked: VpcAllocIp (produces "instance_ip")
        +-- blocked: VolumeCreate (produces "volume_id")
        +-- blocked: (subsaga start: "server-alloc")
                +-- blocked: ServerPick (produces "server_id")
                +-- blocked: ServerReserve (produces "server_reserve")
        +-- blocked: (subsaga end) (produces "server_alloc")
+-- blocked: InstanceConfigure (produces "instance_configure")
+-- blocked: VolumeAttach (produces "volume_attach")
+-- blocked: InstanceBoot (produces "instance_boot")
+-- blocked: Print (produces "print")
+-- blocked: (end node)