Exemplo n.º 1
0
        public Dictionary <string, string> GetInformation(IInternalCluster cluster, IInternalSession session)
        {
            var antiPatterns = new Dictionary <string, string>();

            var resolvedContactPoints = cluster.Metadata.ResolvedContactPoints;

            var contactPointsEndPoints = resolvedContactPoints
                                         .Values
                                         .SelectMany(endPoints => endPoints)
                                         .Select(c => c.GetHostIpEndPointWithFallback())
                                         .ToList();

            var contactPointsHosts = cluster
                                     .AllHosts()
                                     .Where(host => (host.ContactPoint != null && resolvedContactPoints.ContainsKey(host.ContactPoint)) ||
                                            contactPointsEndPoints.Contains(host.Address))
                                     .ToList();

            if (contactPointsHosts.Select(c => c.Datacenter).Where(dc => dc != null).Distinct().Count() > 1)
            {
                antiPatterns["contactPointsMultipleDCs"] = "Contact points contain hosts from multiple data centers";
            }

            var loadBalancingPolicy = cluster.Configuration.Policies.LoadBalancingPolicy;

            antiPatterns = ConfigAntiPatternsInfoProvider.AddAntiPatterns(loadBalancingPolicy, antiPatterns);

            var retryPolicy = cluster.Configuration.Policies.RetryPolicy;

            antiPatterns = ConfigAntiPatternsInfoProvider.AddAntiPatterns(retryPolicy, antiPatterns);

            return(antiPatterns);
        }
Exemplo n.º 2
0
        static ConfigAntiPatternsInfoProvider()
        {
            ConfigAntiPatternsInfoProvider.AntiPatternsProviders = new Dictionary <Type, Func <object, Dictionary <string, string>, Dictionary <string, string> > >
            {
                {
                    typeof(DCAwareRoundRobinPolicy),
                    (obj, antiPatterns) =>
                    {
                        var typedPolicy = (DCAwareRoundRobinPolicy)obj;
#pragma warning disable 618
                        if (typedPolicy.UsedHostsPerRemoteDc > 0)
#pragma warning restore 618
                        {
                            antiPatterns["useRemoteHosts"] = "Using remote hosts for fail-over";
                        }

                        return(antiPatterns);
                    }
                },
                {
#pragma warning disable 618
                    typeof(DowngradingConsistencyRetryPolicy),
#pragma warning restore 618
                    (obj, antiPatterns) =>
                    {
                        antiPatterns["downgradingConsistency"] = "Downgrading consistency retry policy in use";
                        return(antiPatterns);
                    }
                },
                {
                    typeof(DefaultLoadBalancingPolicy),
                    (obj, antiPatterns) =>
                    {
                        var typedPolicy = (DefaultLoadBalancingPolicy)obj;
                        return(ConfigAntiPatternsInfoProvider.AddAntiPatterns(typedPolicy.ChildPolicy, antiPatterns));
                    }
                },
                {
                    typeof(RetryLoadBalancingPolicy),
                    (obj, antiPatterns) =>
                    {
                        var typedPolicy = (RetryLoadBalancingPolicy)obj;
                        antiPatterns = ConfigAntiPatternsInfoProvider.AddAntiPatterns(typedPolicy.ReconnectionPolicy, antiPatterns);
                        return(ConfigAntiPatternsInfoProvider.AddAntiPatterns(typedPolicy.LoadBalancingPolicy, antiPatterns));
                    }
                },
                {
                    typeof(TokenAwarePolicy),
                    (obj, antiPatterns) =>
                    {
                        var typedPolicy = (TokenAwarePolicy)obj;
                        return(ConfigAntiPatternsInfoProvider.AddAntiPatterns(typedPolicy.ChildPolicy, antiPatterns));
                    }
                },
                {
                    typeof(IdempotenceAwareRetryPolicy),
                    (obj, antiPatterns) =>
                    {
                        var typedPolicy = (IdempotenceAwareRetryPolicy)obj;
                        return(ConfigAntiPatternsInfoProvider.AddAntiPatterns(typedPolicy.ChildPolicy, antiPatterns));
                    }
                },
                {
                    typeof(LoggingRetryPolicy),
                    (obj, antiPatterns) =>
                    {
                        var typedPolicy = (LoggingRetryPolicy)obj;
                        return(ConfigAntiPatternsInfoProvider.AddAntiPatterns(typedPolicy.ChildPolicy, antiPatterns));
                    }
                },
                {
                    typeof(RetryPolicyExtensions.WrappedExtendedRetryPolicy),
                    (obj, antiPatterns) =>
                    {
                        var typedPolicy = (RetryPolicyExtensions.WrappedExtendedRetryPolicy)obj;
                        antiPatterns = ConfigAntiPatternsInfoProvider.AddAntiPatterns(typedPolicy.Policy, antiPatterns);
                        return(ConfigAntiPatternsInfoProvider.AddAntiPatterns(typedPolicy.DefaultPolicy, antiPatterns));
                    }
                }
            };
        }