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Code Issues Packages Projects Releases Wiki Activity

add custom health response information (#4034)

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Co-authored-by: Kevin Wan <wanjunfeng@gmail.com>
This commit is contained in:
fearlessfei
2024-04-03 22:33:55 +08:00
committed by GitHub
parent 6f3d094eba
commit 968727412d
6 changed files with 18 additions and 17 deletions
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2
core/stores/redis/metrics_test.go
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@@ -19,7 +19,7 @@ func TestRedisMetric(t *testing.T) {
cfg := devserver.Config{} cfg := devserver.Config{}
_ = conf.FillDefault(&cfg) _ = conf.FillDefault(&cfg)
server := devserver.NewServer(cfg) server := devserver.NewServer(cfg)
server.StartAsync() server.StartAsync(cfg)
time.Sleep(time.Second) time.Sleep(time.Second)
metricReqDur.Observe(8, "test-cmd") metricReqDur.Observe(8, "test-cmd")

2
core/stores/sqlx/metrics_test.go
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@@ -20,7 +20,7 @@ func TestSqlxMetric(t *testing.T) {
_ = conf.FillDefault(&cfg) _ = conf.FillDefault(&cfg)
cfg.Port = 6480 cfg.Port = 6480
server := devserver.NewServer(cfg) server := devserver.NewServer(cfg)
server.StartAsync() server.StartAsync(cfg)
time.Sleep(time.Second) time.Sleep(time.Second)
metricReqDur.Observe(8, "test-cmd") metricReqDur.Observe(8, "test-cmd")

1
internal/devserver/config.go
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@@ -9,4 +9,5 @@ type Config struct {
HealthPath string `json:",default=/healthz"` HealthPath string `json:",default=/healthz"`
EnableMetrics bool `json:",default=true"` EnableMetrics bool `json:",default=true"`
EnablePprof bool `json:",default=true"` EnablePprof bool `json:",default=true"`
HealthRespInfo string `json:",default=OK"`
} }

10
internal/devserver/server.go
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@@ -32,13 +32,13 @@ func NewServer(config Config) *Server {
} }
} }
func (s *Server) addRoutes() { func (s *Server) addRoutes(c Config) {
// route path, routes list // route path, routes list
s.handleFunc("/", func(w http.ResponseWriter, _ *http.Request) { s.handleFunc("/", func(w http.ResponseWriter, _ *http.Request) {
_ = json.NewEncoder(w).Encode(s.routes) _ = json.NewEncoder(w).Encode(s.routes)
}) })
// health // health
s.handleFunc(s.config.HealthPath, health.CreateHttpHandler()) s.handleFunc(s.config.HealthPath, health.CreateHttpHandler(c.HealthRespInfo))
// metrics // metrics
if s.config.EnableMetrics { if s.config.EnableMetrics {
@@ -62,8 +62,8 @@ func (s *Server) handleFunc(pattern string, handler http.HandlerFunc) {
} }
// StartAsync start inner http server background. // StartAsync start inner http server background.
func (s *Server) StartAsync() { func (s *Server) StartAsync(c Config) {
s.addRoutes() s.addRoutes(c)
threading.GoSafe(func() { threading.GoSafe(func() {
addr := fmt.Sprintf("%s:%d", s.config.Host, s.config.Port) addr := fmt.Sprintf("%s:%d", s.config.Host, s.config.Port)
logx.Infof("Starting dev http server at %s", addr) logx.Infof("Starting dev http server at %s", addr)
@@ -78,7 +78,7 @@ func StartAgent(c Config) {
once.Do(func() { once.Do(func() {
if c.Enabled { if c.Enabled {
s := NewServer(c) s := NewServer(c)
s.StartAsync() s.StartAsync(c)
} }
}) })
} }

4
internal/health/health.go
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@@ -44,10 +44,10 @@ func AddProbe(probe Probe) {
} }
// CreateHttpHandler create health http handler base on given probe. // CreateHttpHandler create health http handler base on given probe.
func CreateHttpHandler() http.HandlerFunc { func CreateHttpHandler(healthRespInfo string) http.HandlerFunc {
return func(w http.ResponseWriter, _ *http.Request) { return func(w http.ResponseWriter, _ *http.Request) {
if defaultHealthManager.IsReady() { if defaultHealthManager.IsReady() {
_, _ = w.Write([]byte("OK")) _, _ = w.Write([]byte(healthRespInfo))
} else { } else {
http.Error(w, "Service Unavailable\n"+defaultHealthManager.verboseInfo(), http.Error(w, "Service Unavailable\n"+defaultHealthManager.verboseInfo(),
http.StatusServiceUnavailable) http.StatusServiceUnavailable)

2
internal/health/health_test.go
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@@ -121,7 +121,7 @@ func TestAddGlobalProbes(t *testing.T) {
func TestCreateHttpHandler(t *testing.T) { func TestCreateHttpHandler(t *testing.T) {
cleanupForTest(t) cleanupForTest(t)
srv := httptest.NewServer(CreateHttpHandler()) srv := httptest.NewServer(CreateHttpHandler("OK"))
defer srv.Close() defer srv.Close()
resp, err := http.Get(srv.URL) resp, err := http.Get(srv.URL)