feat: restart to apply update, privileged helper, rollback

internal/infrastructure/update/httpHealthChecker.go

@@ -0,0 +1,32 @@
+package update
+
+import (
+	domain "RenewCMS/internal/domain/update"
+	"net/http"
+	"time"
+)
+
+const healthCheckTimeout = 2 * time.Second
+
+type HTTPHealthChecker struct {
+	url    string
+	client *http.Client
+}
+
+var _ domain.HealthChecker = &HTTPHealthChecker{}
+
+func NewHTTPHealthChecker(port string) *HTTPHealthChecker {
+	return &HTTPHealthChecker{
+		url:    "http://127.0.0.1:" + port + "/healthz",
+		client: &http.Client{Timeout: healthCheckTimeout},
+	}
+}
+
+func (c *HTTPHealthChecker) Healthy() bool {
+	response, err := c.client.Get(c.url)
+	if err != nil {
+		return false
+	}
+	defer response.Body.Close()
+	return response.StatusCode == http.StatusOK
+}