fix(panel): diagnose runtime failures and add owner recovery controls

internal/api/startup.go

@@ -0,0 +1,82 @@
+package api
+
+import (
+	"fmt"
+	"slices"
+
+	"felis.lolicon.best/internal/apis/felis/v1alpha1"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/meta"
+)
+
+type StartupStatus struct {
+	Stage         string `json:"stage"`
+	Reason        string `json:"reason,omitempty"`
+	Message       string `json:"message,omitempty"`
+	StartedAt     string `json:"startedAt,omitempty"`
+	LogsAvailable bool   `json:"logsAvailable"`
+}
+
+func startupStatus(ms *v1alpha1.MinecraftServer, pods []corev1.Pod) *StartupStatus {
+	s := &StartupStatus{Stage: "creating"}
+	if ms.Status.Phase == v1alpha1.PhaseFailed {
+		s.Stage = "failed"
+	}
+	if ms.Status.StartRequestedAt != nil {
+		s.StartedAt = ms.Status.StartRequestedAt.UTC().Format("2006-01-02T15:04:05Z")
+	}
+	if c := meta.FindStatusCondition(ms.Status.Conditions, v1alpha1.ConditionReady); c != nil {
+		s.Reason, s.Message = c.Reason, c.Message
+	}
+	var p *corev1.Pod
+	for i := range pods {
+		if pods[i].DeletionTimestamp == nil && (p == nil || pods[i].CreationTimestamp.After(p.CreationTimestamp.Time)) {
+			p = &pods[i]
+		}
+	}
+	if p == nil {
+		if ms.Status.Phase == v1alpha1.PhaseRunning {
+			s.Stage, s.Reason, s.Message = "failed", "GamePodMissing", "game Pod is missing; recorded Running status is no longer confirmed"
+		}
+		return s
+	}
+	s.Stage = "preparing"
+	if p.Status.Phase == corev1.PodFailed {
+		s.Stage, s.Reason, s.Message = "failed", p.Status.Reason, p.Status.Message
+	}
+	for _, c := range p.Status.Conditions {
+		if c.Type == corev1.PodReady && (c.Status == corev1.ConditionUnknown || (ms.Status.Phase == v1alpha1.PhaseRunning && c.Status == corev1.ConditionFalse && p.Status.Phase == corev1.PodRunning)) {
+			s.Stage, s.Reason, s.Message = "failed", c.Reason, c.Message
+			return s
+		}
+		if c.Type == corev1.PodScheduled && c.Status == corev1.ConditionFalse {
+			s.Stage, s.Reason, s.Message = "scheduling", c.Reason, c.Message
+			return s
+		}
+	}
+	s.LogsAvailable = p.Status.Phase == corev1.PodRunning
+	for _, c := range slices.Concat(p.Status.InitContainerStatuses, p.Status.ContainerStatuses) {
+		if c.State.Waiting != nil {
+			switch c.State.Waiting.Reason {
+			case "CrashLoopBackOff", "ImagePullBackOff", "ErrImagePull", "CreateContainerConfigError", "RunContainerError":
+				s.Stage, s.Reason, s.Message = "failed", c.State.Waiting.Reason, c.State.Waiting.Message
+			default:
+				if s.Stage != "failed" {
+					s.Reason, s.Message = c.State.Waiting.Reason, c.State.Waiting.Message
+				}
+			}
+		}
+		if c.State.Terminated != nil && (c.State.Terminated.ExitCode != 0 || c.Name == serverLogContainer) {
+			s.Stage, s.Reason, s.Message = "failed", c.State.Terminated.Reason, c.State.Terminated.Message
+			if s.Message == "" {
+				s.Message = fmt.Sprintf("Container %s exited with code %d", c.Name, c.State.Terminated.ExitCode)
+			}
+		}
+		if c.Name == serverLogContainer && c.State.Running != nil {
+			if s.Stage != "failed" {
+				s.Stage = "booting"
+			}
+		}
+	}
+	return s
+}