Examples with NodeEvent org.btrplace.plan.event.NodeEvent used on opensource projects

Example 1 with NodeEvent

use of org.btrplace.plan.event.NodeEvent in project scheduler by btrplace.

the class InstanceConverter method toInstance.

public static Instance toInstance(ReconfigurationPlan p) {
    Model mo = p.getOrigin().copy();
    List<SatConstraint> cstrs = new ArrayList<>();
    Set<VM> knownVMs = new HashSet<>();
    Set<Node> knownNodes = new HashSet<>();
    for (Action a : p.getActions()) {
        if (a instanceof NodeEvent) {
            Node n = ((NodeEvent) a).getNode();
            knownNodes.add(n);
            cstrs.add(new Schedule(n, a.getStart(), a.getEnd()));
            if (a instanceof BootNode) {
                cstrs.add(new Online(n));
            } else if (a instanceof ShutdownNode) {
                cstrs.add(new Offline(n));
            }
        } else if (a instanceof VMEvent) {
            VM v = ((VMEvent) a).getVM();
            knownVMs.add(v);
            cstrs.add(new Schedule(v, a.getStart(), a.getEnd()));
            if (a instanceof BootVM) {
                cstrs.add(new Running(v));
                cstrs.add(new Fence(v, ((BootVM) a).getDestinationNode()));
            } else if (a instanceof MigrateVM) {
                cstrs.add(new Fence(v, ((MigrateVM) a).getDestinationNode()));
                cstrs.add(new Running(v));
            } else if (a instanceof ShutdownVM) {
                cstrs.add(new Ready(v));
            } else if (a instanceof SuspendVM) {
                cstrs.add(new Sleeping(v));
            } else if (a instanceof ResumeVM) {
                cstrs.add(new Running(v));
                cstrs.add(new Fence(v, ((ResumeVM) a).getDestinationNode()));
            } else if (a instanceof Allocate) {
                cstrs.add(new Preserve(v, ((Allocate) a).getResourceId(), ((Allocate) a).getAmount()));
                cstrs.add(new Fence(v, ((Allocate) a).getHost()));
            }
        }
        // Catch the allocate events
        for (Event e : a.getEvents(Action.Hook.PRE)) {
            if (e instanceof AllocateEvent) {
                cstrs.add(new Preserve(((AllocateEvent) e).getVM(), ((AllocateEvent) e).getResourceId(), ((AllocateEvent) e).getAmount()));
            }
        }
        for (Event e : a.getEvents(Action.Hook.POST)) {
            if (e instanceof AllocateEvent) {
                cstrs.add(new Preserve(((AllocateEvent) e).getVM(), ((AllocateEvent) e).getResourceId(), ((AllocateEvent) e).getAmount()));
            }
        }
    }
    // State maintenance
    for (Node n : mo.getMapping().getAllNodes()) {
        if (knownNodes.contains(n)) {
            continue;
        }
        if (mo.getMapping().isOnline(n)) {
            cstrs.add(new Online(n));
        } else if (mo.getMapping().isOffline(n)) {
            cstrs.add(new Offline(n));
        }
    }
    mo.getMapping().getAllVMs().stream().filter(v -> !knownVMs.contains(v)).forEach(v -> {
        if (mo.getMapping().isReady(v)) {
            cstrs.add(new Ready(v));
        } else if (mo.getMapping().isRunning(v)) {
            cstrs.add(new Running(v));
            cstrs.add(new Fence(v, mo.getMapping().getVMLocation(v)));
        } else if (mo.getMapping().isSleeping(v)) {
            cstrs.add(new Sleeping(v));
            cstrs.add(new Fence(v, mo.getMapping().getVMLocation(v)));
        }
    });
    return new Instance(mo, cstrs, new MinMTTR());
}