93 lines
1.8 KiB
Go
93 lines
1.8 KiB
Go
package enterprise
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import (
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"fmt"
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"log"
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"net"
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"net/http"
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"os"
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"time"
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"github.com/influxdata/enterprise-client/v2"
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"github.com/influxdata/enterprise-client/v2/admin"
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)
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type Config struct {
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AdminPort uint16
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Hosts []*client.Host
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}
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type Service struct {
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hosts []*client.Host
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logger *log.Logger
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hostname string
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adminPort string
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shutdown chan struct{}
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}
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func NewEnterprise(c Config, hostname string, shutdown chan struct{}) *Service {
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return &Service{
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hosts: c.Hosts,
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hostname: hostname,
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logger: log.New(os.Stdout, "[enterprise]", log.Ldate|log.Ltime),
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adminPort: fmt.Sprintf(":%d", c.AdminPort),
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shutdown: shutdown,
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}
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}
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func (s *Service) Open() {
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cl, err := client.New(s.hosts)
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if err != nil {
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s.logger.Printf("Unable to contact one or more Enterprise hosts. err: %s", err.Error())
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return
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}
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go func() {
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token, secret, err := s.registerProduct(cl)
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if err == nil {
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s.startAdminInterface(token, secret)
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}
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}()
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}
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func (s *Service) registerProduct(cl *client.Client) (token string, secret string, err error) {
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p := client.Product{
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ProductID: "telegraf",
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Host: s.hostname,
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}
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_, err = cl.Register(&p)
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if err != nil {
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s.logger.Println("Unable to register Telegraf with Enterprise")
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return
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}
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for _, host := range cl.Hosts {
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if host.Primary {
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token = host.Token
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secret = host.SecretKey
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}
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}
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return
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}
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func (s *Service) startAdminInterface(token, secret string) {
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srv := &http.Server{
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ReadTimeout: 5 * time.Second,
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WriteTimeout: 5 * time.Second,
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Handler: admin.App(token, []byte(secret)),
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}
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l, err := net.Listen("tcp", s.adminPort)
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if err != nil {
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s.logger.Printf("Unable to bind to admin interface port: err: %s", err.Error())
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return
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}
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go srv.Serve(l)
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select {
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case <-s.shutdown:
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s.logger.Printf("Shutting down enterprise admin interface")
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l.Close()
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}
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return
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}
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