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🐛 Fixes on gateway multiple services case

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This commit is contained in:
LittleSheep
2025-07-15 20:43:44 +08:00
parent 3310487aba
commit 5549051ec5
1 changed files with 69 additions and 33 deletions
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76
DysonNetwork.Gateway/RegistryProxyConfigProvider.cs
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@@ -12,7 +12,8 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
private readonly CancellationTokenSource _watchCts = new();
private CancellationTokenSource _cts = new();
public RegistryProxyConfigProvider(IEtcdClient etcdClient, IConfiguration configuration, ILogger<RegistryProxyConfigProvider> logger)
public RegistryProxyConfigProvider(IEtcdClient etcdClient, IConfiguration configuration,
ILogger<RegistryProxyConfigProvider> logger)
{
_etcdClient = etcdClient;
_configuration = configuration;
@@ -48,7 +49,8 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
var pathAliases = _configuration.GetSection("PathAliases").GetChildren()
.ToDictionary(x => x.Key, x => x.Value);
var directRoutes = _configuration.GetSection("DirectRoutes").Get<List<DirectRouteConfig>>() ?? new List<DirectRouteConfig>();
var directRoutes = _configuration.GetSection("DirectRoutes").Get<List<DirectRouteConfig>>() ??
[];
_logger.LogInformation("Indexing {ServiceCount} services from Etcd.", kvs.Count);
@@ -58,6 +60,9 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
foreach (var directRoute in directRoutes)
{
if (serviceMap.TryGetValue(directRoute.Service, out var serviceUrl))
{
var existingCluster = clusters.FirstOrDefault(c => c.ClusterId == directRoute.Service);
if (existingCluster is null)
{
var cluster = new ClusterConfig
{
@@ -68,6 +73,7 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
}
};
clusters.Add(cluster);
}
var route = new RouteConfig
{
@@ -76,7 +82,8 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
Match = new RouteMatch { Path = directRoute.Path }
};
routes.Add(route);
_logger.LogInformation(" Added Direct Route: {Path} -> {Service}", directRoute.Path, directRoute.Service);
_logger.LogInformation(" Added Direct Route: {Path} -> {Service}", directRoute.Path,
directRoute.Service);
}
else
{
@@ -95,18 +102,18 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
var serviceUrl = serviceMap[serviceName];
// Determine the path alias
string pathAlias;
if (pathAliases.TryGetValue(serviceName, out var alias))
{
pathAlias = alias;
}
else
{
pathAlias = serviceName.Split('.').Last().ToLowerInvariant();
}
string? pathAlias;
pathAlias = pathAliases.TryGetValue(serviceName, out var alias)
? alias
: serviceName.Split('.').Last().ToLowerInvariant();
_logger.LogInformation(" Service: {ServiceName}, URL: {ServiceUrl}, Path Alias: {PathAlias}", serviceName, serviceUrl, pathAlias);
_logger.LogInformation(" Service: {ServiceName}, URL: {ServiceUrl}, Path Alias: {PathAlias}", serviceName,
serviceUrl, pathAlias);
// Check if the cluster already exists
var existingCluster = clusters.FirstOrDefault(c => c.ClusterId == serviceName);
if (existingCluster == null)
{
var cluster = new ClusterConfig
{
ClusterId = serviceName,
@@ -116,6 +123,32 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
}
};
clusters.Add(cluster);
_logger.LogInformation(" Added Cluster: {ServiceName}", serviceName);
}
else
{
// Create a new cluster with merged destinations
var newDestinations = new Dictionary<string, DestinationConfig>(existingCluster.Destinations)
{
{
$"destination{existingCluster.Destinations.Count + 1}",
new DestinationConfig { Address = serviceUrl }
}
};
var mergedCluster = new ClusterConfig
{
ClusterId = serviceName,
Destinations = newDestinations
};
// Replace the existing cluster with the merged one
var index = clusters.IndexOf(existingCluster);
clusters[index] = mergedCluster;
_logger.LogInformation(" Updated Cluster {ServiceName} with {DestinationCount} destinations",
serviceName, mergedCluster.Destinations.Count);
}
// Host-based routing
if (domainMappings.TryGetValue(serviceName, out var domain))
@@ -126,7 +159,7 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
ClusterId = serviceName,
Match = new RouteMatch
{
Hosts = new[] { domain },
Hosts = [domain],
Path = "/{**catch-all}"
}
};
@@ -142,7 +175,8 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
Match = new RouteMatch { Path = $"/{pathAlias}/{{**catch-all}}" },
Transforms = new List<Dictionary<string, string>>
{
new Dictionary<string, string> { { "PathRemovePrefix", $"/{pathAlias}" } }
new() { { "PathRemovePrefix", $"/{pathAlias}" } },
new() { { "PathPrefix", "/api" } }
}
};
routes.Add(pathRoute);
@@ -157,16 +191,18 @@ public class RegistryProxyConfigProvider : IProxyConfigProvider, IDisposable
{
public IReadOnlyList<RouteConfig> Routes { get; } = routes;
public IReadOnlyList<ClusterConfig> Clusters { get; } = clusters;
public Microsoft.Extensions.Primitives.IChangeToken ChangeToken { get; } = new Microsoft.Extensions.Primitives.CancellationChangeToken(CancellationToken.None);
public Microsoft.Extensions.Primitives.IChangeToken ChangeToken { get; } =
new Microsoft.Extensions.Primitives.CancellationChangeToken(CancellationToken.None);
}
private class DirectRouteConfig
private record DirectRouteConfig
{
public string Path { get; set; }
public string Service { get; set; }
public required string Path { get; set; }
public required string Service { get; set; }
}
public void Dispose()
public virtual void Dispose()
{
_cts.Cancel();
_cts.Dispose();