protected async Task <List <ProcessNode> > CreateCluster(string[] peers, IDictionary <string, string> customSettings = null, X509Certificate2 certificate = null)
{
var processes = new List <ProcessNode>();
foreach (var peer in peers)
{
processes.Add(await GetServerAsync(peer));
}
var chosenOne = processes[0];
using (var requestExecutor = ClusterRequestExecutor.CreateForSingleNode(chosenOne.Url, certificate))
using (requestExecutor.ContextPool.AllocateOperationContext(out JsonOperationContext context))
{
foreach (var processNode in processes)
{
if (processNode == chosenOne)
{
continue;
}
var addCommand = new AddClusterNodeCommand(processNode.Url);
await requestExecutor.ExecuteAsync(addCommand, context);
}
var clusterCreated = await WaitForValueAsync(async() =>
{
var clusterTopology = new GetClusterTopologyCommand();
await requestExecutor.ExecuteAsync(clusterTopology, context);
return(clusterTopology.Result.Topology.Members.Count);
}, peers.Length);
Assert.True(clusterCreated == peers.Length, "Failed to create initial cluster");
}
return(processes);
}
protected async Task <(RavenServer Leader, List <ProcessNode> Peers, List <RavenServer> LocalPeers)> CreateMixedCluster(
string[] peers, int localPeers = 0, IDictionary <string, string> customSettings = null, X509Certificate2 certificate = null)
{
var leaderServer = GetNewServer(new ServerCreationOptions {
CustomSettings = customSettings
});
await leaderServer.ServerStore.EnsureNotPassiveAsync(leaderServer.WebUrl);
var nodeAdded = new ManualResetEvent(false);
var expectedMembers = 2;
leaderServer.ServerStore.Engine.TopologyChanged += (sender, clusterTopology) =>
{
var count = expectedMembers;
if (clusterTopology.Promotables.Count == 0 && clusterTopology.Members.Count == count)
{
var result = Interlocked.CompareExchange(ref expectedMembers, count + 1, count);
if (result == count)
{
nodeAdded.Set();
}
}
};
using (leaderServer.ServerStore.ContextPool.AllocateOperationContext(out JsonOperationContext context))
using (var requestExecutor = ClusterRequestExecutor.CreateForSingleNode(leaderServer.WebUrl, certificate))
{
var local = new List <RavenServer>();
for (int i = 0; i < localPeers; i++)
{
var peer = GetNewServer(new ServerCreationOptions {
CustomSettings = customSettings
});
var addCommand = new AddClusterNodeCommand(peer.WebUrl);
await requestExecutor.ExecuteAsync(addCommand, context);
Assert.True(nodeAdded.WaitOne(TimeSpan.FromSeconds(30)));
nodeAdded.Reset();
local.Add(peer);
}
var processes = new List <ProcessNode>();
foreach (var peer in peers)
{
processes.Add(await GetServerAsync(peer));
}
foreach (var processNode in processes)
{
var addCommand = new AddClusterNodeCommand(processNode.Url);
await requestExecutor.ExecuteAsync(addCommand, context);
Assert.True(nodeAdded.WaitOne(TimeSpan.FromSeconds(30)));
nodeAdded.Reset();
}
Assert.Equal(peers.Length + localPeers + 1, leaderServer.ServerStore.GetClusterTopology().Members.Count);
return(leaderServer, processes, local);
}
}