feat: suspend instance improvements (#13861)

* feat(backend): dead instance detection

* feat(backend): suspend type detection

* feat(frontend): show suspend reason on frontend

* feat(backend): resume federation automatically if the server is automatically suspended

* docs(changelog): 配信停止まわりの改善

* lint: fix lint errors

* Update packages/frontend/src/pages/instance-info.vue

* lint: fix lint error

* chore: suspendedState => suspensionState

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

2 files changed, 36 insertions, 7 deletions

diff --git a/packages/frontend/src/pages/admin/federation.vue b/packages/frontend/src/pages/admin/federation.vue
index de27e1f67a..0aaa398584 100644
--- a/packages/frontend/src/pages/admin/federation.vue
+++ b/packages/frontend/src/pages/admin/federation.vue
@@ -58,6 +58,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 </template>
 
 <script lang="ts" setup>
+import * as Misskey from 'misskey-js';
 import { computed, ref } from 'vue';
 import XHeader from './_header_.vue';
 import MkInput from '@/components/MkInput.vue';
@@ -90,8 +91,17 @@ const pagination = {
 	})),
 };
 
-function getStatus(instance) {
-	if (instance.isSuspended) return 'Suspended';
+function getStatus(instance: Misskey.entities.FederationInstance) {
+	switch (instance.suspensionState) {
+		case 'manuallySuspended':
+			return 'Manually Suspended';
+		case 'goneSuspended':
+			return 'Automatically Suspended (Gone)';
+		case 'autoSuspendedForNotResponding':
+			return 'Automatically Suspended (Not Responding)';
+		case 'none':
+			break;
+	}
 	if (instance.isBlocked) return 'Blocked';
 	if (instance.isSilenced) return 'Silenced';
 	if (instance.isNotResponding) return 'Error';
diff --git a/packages/frontend/src/pages/instance-info.vue b/packages/frontend/src/pages/instance-info.vue
index cb7fe2866c..26797ba85e 100644
--- a/packages/frontend/src/pages/instance-info.vue
+++ b/packages/frontend/src/pages/instance-info.vue
@@ -35,7 +35,16 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<FormSection v-if="iAmModerator">
 					<template #label>Moderation</template>
 					<div class="_gaps_s">
-						<MkSwitch v-model="suspended" :disabled="!instance" @update:modelValue="toggleSuspend">{{ i18n.ts.stopActivityDelivery }}</MkSwitch>
+						<MkKeyValue>
+							<template #key>
+								{{ i18n.ts._delivery.status }}
+							</template>
+							<template #value>
+								{{ i18n.ts._delivery._type[suspensionState] }}
+							</template>
+						</MkKeyValue>
+						<MkButton v-if="suspensionState === 'none'" :disabled="!instance" danger @click="stopDelivery">{{ i18n.ts._delivery.stop }}</MkButton>
+						<MkButton v-if="suspensionState !== 'none'" :disabled="!instance" @click="resumeDelivery">{{ i18n.ts._delivery.resume }}</MkButton>
 						<MkSwitch v-model="isBlocked" :disabled="!meta || !instance" @update:modelValue="toggleBlock">{{ i18n.ts.blockThisInstance }}</MkSwitch>
 						<MkSwitch v-model="isSilenced" :disabled="!meta || !instance" @update:modelValue="toggleSilenced">{{ i18n.ts.silenceThisInstance }}</MkSwitch>
 						<MkButton @click="refreshMetadata"><i class="ti ti-refresh"></i> Refresh metadata</MkButton>
@@ -155,7 +164,7 @@ const tab = ref('overview');
 const chartSrc = ref('instance-requests');
 const meta = ref<Misskey.entities.AdminMetaResponse | null>(null);
 const instance = ref<Misskey.entities.FederationInstance | null>(null);
-const suspended = ref(false);
+const suspensionState = ref<'none' | 'manuallySuspended' | 'goneSuspended' | 'autoSuspendedForNotResponding'>('none');
 const isBlocked = ref(false);
 const isSilenced = ref(false);
 const faviconUrl = ref<string | null>(null);
@@ -183,7 +192,7 @@ async function fetch(): Promise<void> {
 	instance.value = await misskeyApi('federation/show-instance', {
 		host: props.host,
 	});
-	suspended.value = instance.value?.isSuspended ?? false;
+	suspensionState.value = instance.value?.suspensionState ?? 'none';
 	isBlocked.value = instance.value?.isBlocked ?? false;
 	isSilenced.value = instance.value?.isSilenced ?? false;
 	faviconUrl.value = getProxiedImageUrlNullable(instance.value?.faviconUrl, 'preview') ?? getProxiedImageUrlNullable(instance.value?.iconUrl, 'preview');
@@ -209,11 +218,21 @@ async function toggleSilenced(): Promise<void> {
 	});
 }
 
-async function toggleSuspend(): Promise<void> {
+async function stopDelivery(): Promise<void> {
 	if (!instance.value) throw new Error('No instance?');
+	suspensionState.value = 'manuallySuspended';
 	await misskeyApi('admin/federation/update-instance', {
 		host: instance.value.host,
-		isSuspended: suspended.value,
+		isSuspended: true,
+	});
+}
+
+async function resumeDelivery(): Promise<void> {
+	if (!instance.value) throw new Error('No instance?');
+	suspensionState.value = 'none';
+	await misskeyApi('admin/federation/update-instance', {
+		host: instance.value.host,
+		isSuspended: false,
 	});
 }