66 lines
952 B
Go
66 lines
952 B
Go
package service
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import (
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"net"
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"net/http"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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const (
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DefaultPath = "/metrics"
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)
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type options struct {
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path string
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}
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type Option func(*options)
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func PathOption(path string) Option {
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return func(o *options) {
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o.path = path
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}
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}
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type Service struct {
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s *http.Server
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ln net.Listener
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}
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func NewService(addr string, opts ...Option) (*Service, error) {
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ln, err := net.Listen("tcp", addr)
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if err != nil {
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return nil, err
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}
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var options options
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for _, opt := range opts {
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opt(&options)
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}
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if options.path == "" {
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options.path = DefaultPath
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}
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mux := http.NewServeMux()
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mux.Handle(options.path, promhttp.Handler())
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return &Service{
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s: &http.Server{
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Handler: mux,
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},
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ln: ln,
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}, nil
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}
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func (s *Service) Serve() error {
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return s.s.Serve(s.ln)
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}
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func (s *Service) Addr() net.Addr {
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return s.ln.Addr()
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}
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func (s *Service) Close() error {
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return s.s.Close()
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}
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