63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
package tcp
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import (
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"context"
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"fmt"
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"net"
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"github.com/containous/traefik/pkg/config"
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"github.com/containous/traefik/pkg/log"
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"github.com/containous/traefik/pkg/server/internal"
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"github.com/containous/traefik/pkg/tcp"
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)
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// Manager is the TCPHandlers factory
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type Manager struct {
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configs map[string]*config.TCPServiceInfo
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}
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// NewManager creates a new manager
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func NewManager(conf *config.RuntimeConfiguration) *Manager {
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return &Manager{
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configs: conf.TCPServices,
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}
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}
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// BuildTCP Creates a tcp.Handler for a service configuration.
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func (m *Manager) BuildTCP(rootCtx context.Context, serviceName string) (tcp.Handler, error) {
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serviceQualifiedName := internal.GetQualifiedName(rootCtx, serviceName)
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ctx := internal.AddProviderInContext(rootCtx, serviceQualifiedName)
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ctx = log.With(ctx, log.Str(log.ServiceName, serviceName))
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// FIXME Check if the service is declared multiple times with different types
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conf, ok := m.configs[serviceQualifiedName]
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if !ok {
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return nil, fmt.Errorf("the service %q does not exist", serviceQualifiedName)
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}
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if conf.LoadBalancer == nil {
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conf.Err = fmt.Errorf("the service %q doesn't have any TCP load balancer", serviceQualifiedName)
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return nil, conf.Err
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}
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logger := log.FromContext(ctx)
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loadBalancer := tcp.NewRRLoadBalancer()
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for name, server := range conf.LoadBalancer.Servers {
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if _, _, err := net.SplitHostPort(server.Address); err != nil {
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logger.Errorf("In service %q: %v", serviceQualifiedName, err)
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continue
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}
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handler, err := tcp.NewProxy(server.Address)
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if err != nil {
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logger.Errorf("In service %q server %q: %v", serviceQualifiedName, server.Address, err)
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continue
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}
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loadBalancer.AddServer(handler)
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logger.WithField(log.ServerName, name).Debugf("Creating TCP server %d at %s", name, server.Address)
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}
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return loadBalancer, nil
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}
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