use of org.apache.ignite.events.EventType.EVT_CLUSTER_SNAPSHOT_STARTED 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);
}
}
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