public ZooKeeperBasedMembershipTable(ILogger <ZooKeeperBasedMembershipTable> logger, IOptions <ZooKeeperMembershipOptions> membershipTableOptions, GlobalConfiguration globalConfiguration)
{
this.logger = logger;
var options = membershipTableOptions.Value;
watcher = new ZooKeeperWatcher(logger);
InitConfig(options.ConnectionString, globalConfiguration.ClusterId);
}
public ZooKeeperBasedMembershipTable(ILogger <ZooKeeperBasedMembershipTable> logger, IOptions <ZooKeeperClusteringSiloOptions> membershipTableOptions, IOptions <SiloOptions> siloOptions)
{
this.logger = logger;
var options = membershipTableOptions.Value;
watcher = new ZooKeeperWatcher(logger);
InitConfig(options.ConnectionString, siloOptions.Value.ClusterId);
}
public ZooKeeperGatewayListProvider(ILogger <ZooKeeperGatewayListProvider> logger, ClientConfiguration clientConfiguration,
IOptions <ZooKeeperGatewayListProviderOptions> options)
{
watcher = new ZooKeeperWatcher(logger);
deploymentPath = "/" + clientConfiguration.ClusterId;
deploymentConnectionString = options.Value.ConnectionString + deploymentPath;
maxStaleness = clientConfiguration.GatewayListRefreshPeriod;
}
public ZooKeeperGatewayListProvider(
ILogger <ZooKeeperGatewayListProvider> logger,
IOptions <ZooKeeperGatewayListProviderOptions> options,
IOptions <GatewayOptions> gatewayOptions,
IOptions <ClusterOptions> clusterOptions)
{
_watcher = new ZooKeeperWatcher(logger);
_deploymentPath = "/" + clusterOptions.Value.ClusterId;
_deploymentConnectionString = options.Value.ConnectionString + _deploymentPath;
_maxStaleness = gatewayOptions.Value.GatewayListRefreshPeriod;
}
public ZooKeeperBasedMembershipTable(
ILogger <ZooKeeperBasedMembershipTable> logger,
IOptions <ZooKeeperClusteringSiloOptions> membershipTableOptions,
IOptions <ClusterOptions> clusterOptions)
{
this.logger = logger;
var options = membershipTableOptions.Value;
watcher = new ZooKeeperWatcher(logger);
this.clusterPath = "/" + clusterOptions.Value.ClusterId;
rootConnectionString = options.ConnectionString;
deploymentConnectionString = options.ConnectionString + this.clusterPath;
}
private static Task <T> UsingZookeeper <T>(Func <ZooKeeper, Task <T> > zkMethod, string deploymentConnectionString, ZooKeeperWatcher watcher, bool canBeReadOnly = false)
{
return(ZooKeeper.Using(deploymentConnectionString, ZOOKEEPER_CONNECTION_TIMEOUT, watcher, zkMethod, canBeReadOnly));
}
internal static Task <MembershipTableData> ReadAll(string deploymentConnectionString, ZooKeeperWatcher watcher)
{
return(UsingZookeeper(async zk =>
{
var childrenResult = await zk.getChildrenAsync("/"); //get all the child nodes (without the data)
var childrenTasks = //get the data from each child node
childrenResult.Children.Select(child => GetRow(zk, SiloAddress.FromParsableString(child))).ToList();
var childrenTaskResults = await Task.WhenAll(childrenTasks);
var tableVersion = ConvertToTableVersion(childrenResult.Stat);//this is the current table version
return new MembershipTableData(childrenTaskResults.ToList(), tableVersion);
}, deploymentConnectionString, watcher, true));
}
public ZooKeeperGatewayListProvider(ILogger <ZooKeeperGatewayListProvider> logger)
{
watcher = new ZooKeeperWatcher(logger);
}
