Examples with PERSISTENCE_CACHE_SNAPSHOT org.apache.ignite.internal.IgniteFeatures.PERSISTENCE_CACHE_SNAPSHOT used on opensource projects

Example 1 with PERSISTENCE_CACHE_SNAPSHOT

use of org.apache.ignite.internal.IgniteFeatures.PERSISTENCE_CACHE_SNAPSHOT in project ignite by apache.

the class IgniteSnapshotManager method createSnapshot.

/**
 * {@inheritDoc}
 */
@Override
public IgniteFuture<Void> createSnapshot(String name) {
    A.notNullOrEmpty(name, "Snapshot name cannot be null or empty.");
    A.ensure(U.alphanumericUnderscore(name), "Snapshot name must satisfy the following name pattern: a-zA-Z0-9_");
    try {
        cctx.kernalContext().security().authorize(ADMIN_SNAPSHOT);
        if (!IgniteFeatures.allNodesSupports(cctx.discovery().aliveServerNodes(), PERSISTENCE_CACHE_SNAPSHOT))
            throw new IgniteException("Not all nodes in the cluster support a snapshot operation.");
        if (!CU.isPersistenceEnabled(cctx.gridConfig())) {
            throw new IgniteException("Create snapshot request has been rejected. Snapshots on an in-memory " + "clusters are not allowed.");
        }
        if (!cctx.kernalContext().state().clusterState().state().active())
            throw new IgniteException("Snapshot operation has been rejected. The cluster is inactive.");
        DiscoveryDataClusterState clusterState = cctx.kernalContext().state().clusterState();
        if (!clusterState.hasBaselineTopology())
            throw new IgniteException("Snapshot operation has been rejected. The baseline topology is not configured for cluster.");
        if (cctx.kernalContext().clientNode()) {
            ClusterNode crd = U.oldest(cctx.kernalContext().discovery().aliveServerNodes(), null);
            if (crd == null)
                throw new IgniteException("There is no alive server nodes in the cluster");
            return new IgniteSnapshotFutureImpl(cctx.kernalContext().closure().callAsyncNoFailover(BALANCE, new CreateSnapshotCallable(name), Collections.singletonList(crd), false, 0, true));
        }
        ClusterSnapshotFuture snpFut0;
        synchronized (snpOpMux) {
            if (clusterSnpFut != null && !clusterSnpFut.isDone()) {
                throw new IgniteException("Create snapshot request has been rejected. The previous snapshot operation was not completed.");
            }
            if (clusterSnpReq != null)
                throw new IgniteException("Create snapshot request has been rejected. Parallel snapshot processes are not allowed.");
            if (localSnapshotNames().contains(name)) {
                throw new IgniteException("Create snapshot request has been rejected. Snapshot with given name already exists on local node.");
            }
            if (isRestoring()) {
                throw new IgniteException("Snapshot operation has been rejected. Cache group restore operation is currently in progress.");
            }
            snpFut0 = new ClusterSnapshotFuture(UUID.randomUUID(), name);
            clusterSnpFut = snpFut0;
            lastSeenSnpFut = snpFut0;
        }
        List<String> grps = cctx.cache().persistentGroups().stream().filter(g -> cctx.cache().cacheType(g.cacheOrGroupName()) == CacheType.USER).map(CacheGroupDescriptor::cacheOrGroupName).collect(Collectors.toList());
        grps.add(METASTORAGE_CACHE_NAME);
        List<ClusterNode> srvNodes = cctx.discovery().serverNodes(AffinityTopologyVersion.NONE);
        snpFut0.listen(f -> {
            if (f.error() == null)
                recordSnapshotEvent(name, SNAPSHOT_FINISHED_MSG + grps, EVT_CLUSTER_SNAPSHOT_FINISHED);
            else
                recordSnapshotEvent(name, SNAPSHOT_FAILED_MSG + f.error().getMessage(), EVT_CLUSTER_SNAPSHOT_FAILED);
        });
        startSnpProc.start(snpFut0.rqId, new SnapshotOperationRequest(snpFut0.rqId, cctx.localNodeId(), name, grps, new HashSet<>(F.viewReadOnly(srvNodes, F.node2id(), (node) -> CU.baselineNode(node, clusterState)))));
        String msg = "Cluster-wide snapshot operation started [snpName=" + name + ", grps=" + grps + ']';
        recordSnapshotEvent(name, msg, EVT_CLUSTER_SNAPSHOT_STARTED);
        if (log.isInfoEnabled())
            log.info(msg);
        return new IgniteFutureImpl<>(snpFut0);
    } catch (Exception e) {
        recordSnapshotEvent(name, SNAPSHOT_FAILED_MSG + e.getMessage(), EVT_CLUSTER_SNAPSHOT_FAILED);
        U.error(log, SNAPSHOT_FAILED_MSG, e);
        lastSeenSnpFut = new ClusterSnapshotFuture(name, e);
        return new IgniteFinishedFutureImpl<>(e);
    }
}