90 lines
1.6 KiB
Go
90 lines
1.6 KiB
Go
package ingress
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import (
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"context"
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"io"
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"github.com/go-gost/core/ingress"
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"github.com/go-gost/core/logger"
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"github.com/go-gost/plugin/ingress/proto"
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"github.com/go-gost/x/internal/plugin"
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"google.golang.org/grpc"
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)
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type grpcPlugin struct {
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conn grpc.ClientConnInterface
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client proto.IngressClient
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log logger.Logger
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}
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// NewGRPCPlugin creates an Ingress plugin based on gRPC.
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func NewGRPCPlugin(name string, addr string, opts ...plugin.Option) ingress.Ingress {
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var options plugin.Options
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for _, opt := range opts {
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opt(&options)
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}
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log := logger.Default().WithFields(map[string]any{
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"kind": "ingress",
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"ingress": name,
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})
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conn, err := plugin.NewGRPCConn(addr, &options)
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if err != nil {
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log.Error(err)
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}
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p := &grpcPlugin{
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conn: conn,
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log: log,
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}
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if conn != nil {
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p.client = proto.NewIngressClient(conn)
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}
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return p
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}
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func (p *grpcPlugin) GetRule(ctx context.Context, host string, opts ...ingress.Option) *ingress.Rule {
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if p.client == nil {
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return nil
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}
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r, err := p.client.GetRule(ctx,
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&proto.GetRuleRequest{
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Host: host,
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})
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if err != nil {
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p.log.Error(err)
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return nil
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}
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if r.Endpoint == "" {
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return nil
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}
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return &ingress.Rule{
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Hostname: host,
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Endpoint: r.Endpoint,
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}
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}
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func (p *grpcPlugin) SetRule(ctx context.Context, rule *ingress.Rule, opts ...ingress.Option) bool {
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if p.client == nil || rule == nil {
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return false
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}
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r, _ := p.client.SetRule(ctx, &proto.SetRuleRequest{
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Host: rule.Hostname,
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Endpoint: rule.Endpoint,
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})
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if r == nil {
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return false
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}
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return r.Ok
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}
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func (p *grpcPlugin) Close() error {
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if closer, ok := p.conn.(io.Closer); ok {
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return closer.Close()
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}
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return nil
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}
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