Merge pull request #101 from fly-apps/bounce_haproxy

Add endpoint to bounce haproxy

Author: DAlperin

pkg/commands/admin.go

@@ -288,3 +288,24 @@ func handleDisableReadonly(w http.ResponseWriter, r *http.Request) {
 
 	render.JSON(w, resp, http.StatusOK)
 }
+
+func handleRestartHaproxy(w http.ResponseWriter, r *http.Request) {
+	args := []string{"root", "pkill", "haproxy"}
+
+	cmd := exec.Command("gosu", args...)
+
+	if err := cmd.Run(); err != nil {
+		render.Err(w, err)
+		return
+	}
+
+	if cmd.ProcessState.ExitCode() != 0 {
+		err := fmt.Errorf(cmd.ProcessState.String())
+		render.Err(w, err)
+		return
+	}
+
+	resp := &Response{Result: true}
+
+	render.JSON(w, resp, http.StatusOK)
+}

pkg/commands/handler.go

@@ -36,6 +36,7 @@ func Handler() http.Handler {
 		r.Post("/readonly/enable", handleEnableReadonly)
 		r.Post("/readonly/disable", handleDisableReadonly)
 		r.Get("/dbuid", handleStolonDBUid)
+		r.Post("/haproxy/restart", handleRestartHaproxy)
 		r.Post("/settings/update", handleUpdateSettings)
 	})