Add healthcheck endpoint (thomiceli#170)

internal/db/db.go

@@ -80,3 +80,12 @@ func IsUniqueConstraintViolation(err error) bool {
  }
  return false
 }
+
+func Ping() error {
+ sql, err := db.DB()
+ if err != nil {
+ return err
+ }
+
+ return sql.Ping()
+}

internal/web/healthcheck.go

@@ -0,0 +1,24 @@
+package web
+
+import (
+ "github.com/labstack/echo/v4"
+ "github.com/thomiceli/opengist/internal/db"
+ "time"
+)
+
+func healthcheck(ctx echo.Context) error {
+ // Check database connection
+ dbOk := "ok"
+ httpStatus := 200
+
+ err := db.Ping()
+ if err != nil {
+ dbOk = "ko"
+ httpStatus = 503
+ }
+
+ return ctx.JSON(httpStatus, map[string]interface{}{
+ "database": dbOk,
+ "time": time.Now().Format(time.RFC3339),
+ })
+}

internal/web/server.go

@@ -208,6 +208,8 @@ func NewServer(isDev bool) *Server {
  g1.GET("/", create, logged)
  g1.POST("/", processCreate, logged)
 
+ g1.GET("/healthcheck", healthcheck)
+
  g1.GET("/register", register)
  g1.POST("/register", processRegister)
  g1.GET("/login", login)

internal/web/util.go

@@ -168,7 +168,7 @@ func validateReservedKeywords(fl validator.FieldLevel) bool {
  name := fl.Field().String()
 
  restrictedNames := map[string]struct{}{}
- for _, restrictedName := range []string{"assets", "register", "login", "logout", "settings", "admin-panel", "all", "search", "init"} {
+ for _, restrictedName := range []string{"assets", "register", "login", "logout", "settings", "admin-panel", "all", "search", "init", "healthcheck"} {
  restrictedNames[restrictedName] = struct{}{}
  }