From 2ccd55f63f85885bf511c258cb322bc4af19c376 Mon Sep 17 00:00:00 2001
From: vmangalr <vmangalr@akamai.com>
Date: Wed, 12 Nov 2025 10:22:29 +0530
Subject: [PATCH 1/3] added: [DI-27819] - Notice banner for upcoming
 maintenance activity in longview

---
 .../src/routes/longview/LongviewRoute.tsx     | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/packages/manager/src/routes/longview/LongviewRoute.tsx b/packages/manager/src/routes/longview/LongviewRoute.tsx
index df2ba7547cb..aadf52005c1 100644
--- a/packages/manager/src/routes/longview/LongviewRoute.tsx
+++ b/packages/manager/src/routes/longview/LongviewRoute.tsx
@@ -1,13 +1,34 @@
+import { Typography } from '@linode/ui';
 import { Outlet } from '@tanstack/react-router';
 import React from 'react';
 
+import { DismissibleBanner } from 'src/components/DismissibleBanner/DismissibleBanner';
 import { DocumentTitleSegment } from 'src/components/DocumentTitle';
+import { Link } from 'src/components/Link';
 import { ProductInformationBanner } from 'src/components/ProductInformationBanner/ProductInformationBanner';
 import { SuspenseLoader } from 'src/components/SuspenseLoader';
 
 export const LongviewRoute = () => {
   return (
     <React.Suspense fallback={<SuspenseLoader />}>
+      <DismissibleBanner
+        dismissible={false}
+        preferenceKey="longview-banner"
+        spacingBottom={8}
+        title="Update required: Longview GPG key"
+        variant="warning"
+      >
+        <Typography fontSize="inherit">
+          <b>Update required: Longview GPG key</b> <br />
+          The current Longview GPG key used for APT package verification will be
+          revoked on January 5, 2026. To ensure uninterrupted package
+          installations and updates for Longview, please update your system to
+          trust the new key by following the instructions{' '}
+          <Link to="https://techdocs.akamai.com/cloud-computing/docs/troubleshooting-linode-longview#longview-gpg-apt-signing-key-update">
+            here.
+          </Link>
+        </Typography>
+      </DismissibleBanner>
       <DocumentTitleSegment segment="Longview" />
       <ProductInformationBanner bannerLocation="Longview" />
       <Outlet />

From b8712321779834dd3ab9b1b92f7c9606c0dce64e Mon Sep 17 00:00:00 2001
From: vmangalr <vmangalr@akamai.com>
Date: Wed, 12 Nov 2025 10:33:58 +0530
Subject: [PATCH 2/3] added: [DI-27819] - Changeset

---
 packages/manager/.changeset/pr-13080-added-1762923818606.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 packages/manager/.changeset/pr-13080-added-1762923818606.md

diff --git a/packages/manager/.changeset/pr-13080-added-1762923818606.md b/packages/manager/.changeset/pr-13080-added-1762923818606.md
new file mode 100644
index 00000000000..f65f1283f0d
--- /dev/null
+++ b/packages/manager/.changeset/pr-13080-added-1762923818606.md
@@ -0,0 +1,5 @@
+---
+"@linode/manager": Added
+---
+
+A notice banner to inform the customers about the upcoming maintenance activity in longview and to download and use the new GPG key ([#13080](https://github.com/linode/manager/pull/13080))

From e65d22a74cbeecf54ebeffc40dfb5aa1cf78291f Mon Sep 17 00:00:00 2001
From: vmangalr <vmangalr@akamai.com>
Date: Wed, 12 Nov 2025 20:12:52 +0530
Subject: [PATCH 3/3] DI-27358: key update

---
 packages/manager/src/routes/longview/LongviewRoute.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/manager/src/routes/longview/LongviewRoute.tsx b/packages/manager/src/routes/longview/LongviewRoute.tsx
index aadf52005c1..9d6215550a3 100644
--- a/packages/manager/src/routes/longview/LongviewRoute.tsx
+++ b/packages/manager/src/routes/longview/LongviewRoute.tsx
@@ -13,7 +13,7 @@ export const LongviewRoute = () => {
     <React.Suspense fallback={<SuspenseLoader />}>
       <DismissibleBanner
         dismissible={false}
-        preferenceKey="longview-banner"
+        preferenceKey="longview-gpg-key-update"
         spacingBottom={8}
         title="Update required: Longview GPG key"
         variant="warning"