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10 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
| 4e4d436e7a | |||
| 0fcbe0d0ad | |||
| f138b9b61e | |||
| 39a8327463 | |||
| faace02cb4 | |||
| 7c69590a1d | |||
| d5f0314b58 | |||
| 4f183541e6 | |||
| 003bf2bb88 | |||
| 03ec5a0a5a |
@@ -10,31 +10,33 @@ import (
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)
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type Service struct {
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AppID string
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Name string
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Domain string
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Address string
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Port int
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TTL time.Duration
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ConsulAgent *consul.Agent
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Name string
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Address string
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appID string
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domain string
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port int
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ttl time.Duration
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agent *consul.Agent
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kv *consul.KV
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}
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var ErrServiceUnavailable = fmt.Errorf("Service is unavailable")
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func NewService(servAddr, id, name, hostname, domain string, appPort int) (*Service, error) {
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s := new(Service)
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s.AppID = id
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s.Name = name
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s.Address = hostname
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s.Domain = domain
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s.Port = appPort
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s.TTL = time.Second * 15
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s.appID = id
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s.domain = domain
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s.port = appPort
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s.ttl = time.Second * 15
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client, err := consul.NewClient(newClientConfig(servAddr))
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if err != nil {
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return nil, err
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}
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s.ConsulAgent = client.Agent()
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s.agent = client.Agent()
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s.kv = client.KV()
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return s, nil
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}
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@@ -47,11 +49,11 @@ func newClientConfig(serverAddr string) *consul.Config {
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}
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func (s *Service) GetID() string {
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return fmt.Sprintf("%s_%s", s.Name, s.AppID)
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return fmt.Sprintf("%s_%s", s.Name, s.appID)
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}
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func (s *Service) GetFullAddr() string {
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return fmt.Sprintf("http://%s:%d/", s.Address, s.Port)
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return fmt.Sprintf("http://%s:%d/", s.Address, s.port)
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}
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func (s *Service) Register() error {
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@@ -59,18 +61,18 @@ func (s *Service) Register() error {
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ID: s.GetID(),
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Name: s.Name,
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Address: s.Address,
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Port: s.Port,
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Port: s.port,
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Tags: s.getTags(),
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Check: &consul.AgentServiceCheck{
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TTL: s.TTL.String(),
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TTL: s.ttl.String(),
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},
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}
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if err := s.ConsulAgent.ServiceRegister(def); err != nil {
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if err := s.agent.ServiceRegister(def); err != nil {
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return err
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}
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go func() { // startup register
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go func(s *Service) { // startup register
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ticker := time.NewTicker(time.Millisecond * 100)
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for range ticker.C {
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ok, _ := s.healthCheck()
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@@ -78,24 +80,27 @@ func (s *Service) Register() error {
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ticker.Stop()
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}
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}
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}()
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}(s)
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go func() { // TTL
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interval := s.TTL - time.Second*2
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go func(s *Service) { // TTL
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interval := s.ttl - time.Second*2
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ticker := time.NewTicker(interval)
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for range ticker.C {
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fmt.Println("HC call: ", time.Now().String())
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_, err := s.healthCheck()
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if err != nil {
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fmt.Printf("TTL Error: %v\n", err)
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}
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}
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}()
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}(s)
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return nil
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}
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func (s *Service) Unregister() error {
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return s.ConsulAgent.ServiceDeregister(s.GetID())
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return s.agent.ServiceDeregister(s.GetID())
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}
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func (s *Service) KV() *consul.KV {
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return s.kv
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}
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func (s *Service) healthCheck() (bool, error) {
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@@ -118,13 +123,13 @@ func (s *Service) healthCheck() (bool, error) {
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}()
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if alive {
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if err := s.ConsulAgent.PassTTL("service:"+s.GetID(), "OK"); err != nil {
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if err := s.agent.PassTTL("service:"+s.GetID(), "OK"); err != nil {
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return false, err
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}
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return true, nil
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}
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if err := s.ConsulAgent.FailTTL("service:"+s.GetID(), ErrServiceUnavailable.Error()); err != nil {
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if err := s.agent.FailTTL("service:"+s.GetID(), ErrServiceUnavailable.Error()); err != nil {
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return false, err
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}
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return false, ErrServiceUnavailable
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@@ -133,15 +138,17 @@ func (s *Service) healthCheck() (bool, error) {
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func (s *Service) getTags() []string {
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tags := []string{
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"traefik.enable=true",
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"traefik.http.routers." + s.Name + ".rule=Host(`" + s.Domain + "`)",
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"traefik.http.routers." + s.Name + ".rule=Headers(`X-API-SERVICE`, `" + s.Name + "`)",
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"traefik.http.routers." + s.Name + ".entryPoints=https",
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"traefik.http.routers." + s.Name + ".tls=true",
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"traefik.http.routers." + s.Name + ".service=" + s.Name,
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"traefik.http.routers." + s.Name + ".middlewares=compress,requestid",
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"traefik.http.services." + s.Name + ".loadbalancer.server.scheme=http",
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"traefik.http.services." + s.Name + ".loadbalancer.server.port=" + strconv.Itoa(s.Port),
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"traefik.http.services." + s.Name + ".loadbalancer.server.port=" + strconv.Itoa(s.port),
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"traefik.http.middlewares.compress.compress=true",
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"traefik.http.middlewares.requestid.plugin.requestid.headerName=X-Request-ID",
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// "traefik.tls.certificates.certfile=/certs/client.cert",
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// "traefik.tls.certificates.keyfile=/certs/client.key",
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// "traefik.http.services." + s.Name + ".loadbalancer.passhostheader=false",
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// "traefik.http.services." + s.Name + ".loadbalancer.servers." + fullName + "=" + bFullAddr,
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// "traefik.http.services." + s.Name + ".loadbalancer.servers." + fullName + ".url=" + bFullAddr,
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