Examples with HostInfo com.yahoo.vespa.clustercontroller.core.hostinfo.HostInfo used on opensource projects

Example 1 with HostInfo

use of com.yahoo.vespa.clustercontroller.core.hostinfo.HostInfo in project vespa by vespa-engine.

the class NodeStateGatherer method processResponses.

/**
 * Reads replies to get node state requests and create events.
 */
public boolean processResponses(NodeStateOrHostInfoChangeHandler listener) {
    boolean processedAnyResponses = false;
    long currentTime = timer.getCurrentTimeInMillis();
    synchronized (monitor) {
        for (GetNodeStateRequest req : replies) {
            processedAnyResponses = true;
            NodeInfo info = req.getNodeInfo();
            if (!info.isPendingGetNodeStateRequest(req)) {
                log.log(LogLevel.DEBUG, "Ignoring getnodestate response from " + info.getNode() + " as request replied to is not the most recent pending request.");
                continue;
            }
            info.removePendingGetNodeStateRequest(req);
            GetNodeStateRequest.Reply reply = req.getReply();
            if (reply.isError()) {
                if (reply.getReturnCode() != ErrorCode.ABORT) {
                    NodeState newState = handleError(req, info, currentTime);
                    if (newState != null) {
                        listener.handleNewNodeState(info, newState.clone());
                        info.setReportedState(newState, currentTime);
                    } else {
                        log.log(LogLevel.DEBUG, "Ignoring get node state error. Need to resend");
                    }
                } else {
                    log.log(LogLevel.DEBUG, "Ignoring getnodestate response from " + info.getNode() + " as it was aborted by client");
                }
                continue;
            }
            try {
                NodeState state = NodeState.deserialize(info.getNode().getType(), reply.getStateString());
                // For version 0 responses, we poll, so we likely have not altered the state
                if (!state.equals(info.getReportedState()))
                    listener.handleNewNodeState(info, state.clone());
                info.setReportedState(state, currentTime);
            } catch (Exception e) {
                log.log(LogLevel.WARNING, "Failed to process get node state response", e);
                info.setReportedState(new NodeState(info.getNode().getType(), State.DOWN), currentTime);
            }
            // Important: The old host info should be accessible in info.getHostInfo(), see interface.
            // Therefore, setHostInfo() must be called AFTER handleUpdatedHostInfo().
            HostInfo hostInfo = HostInfo.createHostInfo(reply.getHostInfo());
            listener.handleUpdatedHostInfo(info, hostInfo);
            info.setHostInfo(hostInfo);
        }
        replies.clear();
    }
    return processedAnyResponses;
}

Example 2 with HostInfo

use of com.yahoo.vespa.clustercontroller.core.hostinfo.HostInfo in project vespa by vespa-engine.

the class ClusterStateViewTest method testSuccessCase.

@Test
public void testSuccessCase() {
    when(nodeInfo.isDistributor()).thenReturn(true);
    HostInfo hostInfo = HostInfo.createHostInfo("{" + " \"cluster-state-version\": 101," + " \"distributor\": {\n" + "        \"storage-nodes\": [\n" + "            {\n" + "                \"node-index\": 3\n" + "            }\n" + "           ]}}");
    when(nodeInfo.getNodeIndex()).thenReturn(3);
    when(clusterState.getVersion()).thenReturn(101);
    clusterStateView.handleUpdatedHostInfo(nodeInfo, hostInfo);
    verify(statsAggregator).updateForDistributor(3, StorageNodeStatsBridge.generate(hostInfo.getDistributor()));
}

Example 3 with HostInfo

use of com.yahoo.vespa.clustercontroller.core.hostinfo.HostInfo in project vespa by vespa-engine.

the class NodeStateChangeChecker method canSetStateDownPermanently.

private Result canSetStateDownPermanently(NodeInfo nodeInfo, ClusterState clusterState) {
    State reportedState = nodeInfo.getReportedState().getState();
    if (reportedState != State.UP) {
        return Result.createDisallowed("Reported state (" + reportedState + ") is not UP, so no bucket data is available");
    }
    State currentState = clusterState.getNodeState(nodeInfo.getNode()).getState();
    if (currentState != State.RETIRED) {
        return Result.createDisallowed("Only retired nodes are allowed to be set to DOWN in safe mode - is " + currentState);
    }
    Result thresholdCheckResult = checkUpThresholds(clusterState);
    if (!thresholdCheckResult.settingWantedStateIsAllowed()) {
        return thresholdCheckResult;
    }
    HostInfo hostInfo = nodeInfo.getHostInfo();
    Integer hostInfoNodeVersion = hostInfo.getClusterStateVersionOrNull();
    int clusterControllerVersion = clusterState.getVersion();
    if (hostInfoNodeVersion == null || hostInfoNodeVersion != clusterControllerVersion) {
        return Result.createDisallowed("Cluster controller at version " + clusterControllerVersion + " got info for storage node " + nodeInfo.getNodeIndex() + " at a different version " + hostInfoNodeVersion);
    }
    Optional<Metrics.Value> bucketsMetric = hostInfo.getMetrics().getValue(BUCKETS_METRIC_NAME);
    if (!bucketsMetric.isPresent() || bucketsMetric.get().getLast() == null) {
        return Result.createDisallowed("Missing last value of the " + BUCKETS_METRIC_NAME + " metric for storage node " + nodeInfo.getNodeIndex());
    }
    long lastBuckets = bucketsMetric.get().getLast();
    if (lastBuckets > 0) {
        return Result.createDisallowed("The storage node manages " + lastBuckets + " buckets");
    }
    return Result.allowSettingOfWantedState();
}