private static bool TryUpdateReplicationDocument(this RavenHelper raven, Store store, Instance instance)
{
try
{
var destinations = raven.UpdateReplicationDocument(store, instance);
raven.EnsureReplicationBundleIsActive(store, instance);
logger.Info(
"Updated replication destinations for {0} to: [{1}]",
instance.Url,
string.Join(", ", destinations.Select(d => string.Format(
"{0}{1}",
d.Url,
d.TransitiveReplicationBehavior == TransitiveReplicationOptions.Replicate
? " (transitive)"
: string.Empty))));
return true;
}
catch (Exception exception)
{
logger.ErrorException(
string.Format("Failed to update replication destinations for {0}.", instance.Url),
exception);
if (exception.IsFatal())
{
throw;
}
return false;
}
}
private static void EnsureReplicationBundleIsActive(this RavenHelper raven, Store store, Instance instance)
{
var docStore = raven.GetDocumentStore(instance.Url.GetServerRootUrl());
docStore.DatabaseCommands.EnsureDatabaseExists(store.Name);
using (var session = docStore.OpenSession())
{
session.Advanced.UseOptimisticConcurrency = true;
var dbDoc = session.Load<RavenJObject>("Raven/Databases/" + store.Name);
var settings = dbDoc["Settings"].Value<RavenJObject>();
var activeBundles = settings[Constants.ActiveBundles] ?? "";
var bundles = activeBundles.Value<string>()
.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries)
.Select(x => x.Trim())
.ToArray();
if (!bundles.Contains("Replication"))
{
var newActiveBundles = string.Join(
";",
bundles.Concat(new[] { "Replication" }).ToArray());
settings[Constants.ActiveBundles] = newActiveBundles;
session.Store(dbDoc);
session.SaveChanges();
}
}
}
internal DocumentStore CreateDocumentStore(Instance storeInstance, AccessMode accessMode)
{
var databaseName = storeInstance.Url.GetDatabaseName(throwIfNotFound: true);
var store = new DocumentStore
{
Identifier = databaseName,
DefaultDatabase = databaseName,
Url = storeInstance.Url.ToString(),
Conventions =
{
FailoverBehavior = FailoverBehavior.AllowReadsFromSecondariesAndWritesToSecondaries
}
};
if (accessMode == AccessMode.ReadOnly)
{
store.RegisterListener((IDocumentStoreListener)new ReadOnlyListener());
store.RegisterListener((IDocumentDeleteListener)new ReadOnlyListener());
}
return store;
}
private static void UpdateTracerDocument(this RavenHelper raven, Store store, Instance instance)
{
try
{
var tracerId = "brnkly/raven/tracers/" + instance.Url.Authority.Replace(":", "_");
var docStore = raven.GetDocumentStore(instance.Url.GetServerRootUrl());
using (var session = docStore.OpenSession(store.Name))
{
session.Advanced.UseOptimisticConcurrency = true;
var tracer = session.Load<Tracer>(tracerId)
?? new Tracer { UpdatedAtUtc = DateTimeOffset.UtcNow };
tracer.UpdatedAtUtc = DateTimeOffset.UtcNow;
session.Store(tracer, tracerId);
session.SaveChanges();
}
logger.Debug("Tracer document updated for {0}", instance.Url);
}
catch (Exception exception)
{
logger.ErrorException(
string.Format("Failed to update tracer document for {0}", instance.Url),
exception);
if (exception.IsFatal())
{
throw;
}
}
}
private static IEnumerable<ReplicationDestination> UpdateReplicationDocument(this RavenHelper raven, Store store, Instance instance)
{
var docStore = raven.GetDocumentStore(instance.Url.GetServerRootUrl());
docStore.DatabaseCommands.EnsureDatabaseExists(store.Name);
using (var session = docStore.OpenSession(store.Name))
{
session.Advanced.UseOptimisticConcurrency = true;
var replicationDoc =
session.Load<ReplicationDocument>(Constants.RavenReplicationDestinations) ??
new ReplicationDocument();
replicationDoc.Destinations = instance.Destinations
.Where(d => !d.Url.Equals(instance.Url.ToString(), StringComparison.OrdinalIgnoreCase))
.ToList();
session.Store(replicationDoc);
session.SaveChanges();
return replicationDoc.Destinations;
}
}
