68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
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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/config"
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"github.com/containous/traefik/log"
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"github.com/containous/traefik/server/internal"
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"github.com/containous/traefik/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.TCPService
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}
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// NewManager creates a new manager
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func NewManager(configs map[string]*config.TCPService) *Manager {
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return &Manager{
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configs: configs,
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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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ctx := log.With(rootCtx, log.Str(log.ServiceName, serviceName))
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serviceName = internal.GetQualifiedName(ctx, serviceName)
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ctx = internal.AddProviderInContext(ctx, serviceName)
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if conf, ok := m.configs[serviceName]; ok {
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// FIXME Check if the service is declared multiple times with different types
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if conf.LoadBalancer != nil {
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loadBalancer := tcp.NewRRLoadBalancer()
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var handler tcp.Handler
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for _, server := range conf.LoadBalancer.Servers {
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_, err := parseIP(server.Address)
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if err == nil {
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handler, _ = tcp.NewProxy(server.Address)
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loadBalancer.AddServer(handler)
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} else {
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log.FromContext(ctx).Errorf("Invalid IP address for a %s server %s: %v", serviceName, server.Address, err)
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}
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}
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return loadBalancer, nil
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}
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return nil, fmt.Errorf("the service %q doesn't have any TCP load balancer", serviceName)
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}
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return nil, fmt.Errorf("the service %q does not exits", serviceName)
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}
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func parseIP(s string) (string, error) {
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ip, _, err := net.SplitHostPort(s)
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if err == nil {
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return ip, nil
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}
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ipNoPort := net.ParseIP(s)
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if ipNoPort == nil {
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return "", fmt.Errorf("invalid IP Address %s", ipNoPort)
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}
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return ipNoPort.String(), nil
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}
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