From a1f587c8614adc9d3b81089b28e60595875c7f9e Mon Sep 17 00:00:00 2001
From: Adam Harvey <adam.harvey@dxc.com>
Date: Thu, 14 Jan 2021 01:01:37 -0500
Subject: [PATCH 1/3] Support HTTP 400 Bad Request

---
 plugins/kubernetes-backend/src/service/KubernetesFetcher.ts | 2 ++
 plugins/kubernetes-backend/src/types/types.ts               | 1 +
 2 files changed, 3 insertions(+)

diff --git a/plugins/kubernetes-backend/src/service/KubernetesFetcher.ts b/plugins/kubernetes-backend/src/service/KubernetesFetcher.ts
index d9c6ee6d1a..991174e78a 100644
--- a/plugins/kubernetes-backend/src/service/KubernetesFetcher.ts
+++ b/plugins/kubernetes-backend/src/service/KubernetesFetcher.ts
@@ -74,6 +74,8 @@ function fetchResultsToResponseWrapper(
 
 const statusCodeToErrorType = (statusCode: number): KubernetesErrorTypes => {
   switch (statusCode) {
+    case 400:
+      return 'BAD_REQUEST';
     case 401:
       return 'UNAUTHORIZED_ERROR';
     case 500:
diff --git a/plugins/kubernetes-backend/src/types/types.ts b/plugins/kubernetes-backend/src/types/types.ts
index 9f0b90c032..cf6576153b 100644
--- a/plugins/kubernetes-backend/src/types/types.ts
+++ b/plugins/kubernetes-backend/src/types/types.ts
@@ -135,6 +135,7 @@ export interface KubernetesClustersSupplier {
 }
 
 export type KubernetesErrorTypes =
+  | 'BAD_REQUEST'
   | 'UNAUTHORIZED_ERROR'
   | 'SYSTEM_ERROR'
   | 'UNKNOWN_ERROR';

From 38545afbfa36606d964847eba0929dcf6f591b8a Mon Sep 17 00:00:00 2001
From: Adam Harvey <adam.harvey@dxc.com>
Date: Thu, 14 Jan 2021 10:30:55 -0500
Subject: [PATCH 2/3] Add Bad Request test

---
 .../src/service/KubernetesFetcher.test.ts     | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/plugins/kubernetes-backend/src/service/KubernetesFetcher.test.ts b/plugins/kubernetes-backend/src/service/KubernetesFetcher.test.ts
index 29233cf7fd..8d29439539 100644
--- a/plugins/kubernetes-backend/src/service/KubernetesFetcher.test.ts
+++ b/plugins/kubernetes-backend/src/service/KubernetesFetcher.test.ts
@@ -197,6 +197,27 @@ describe('KubernetesClientProvider', () => {
   });
   // they're in testErrorResponse
   // eslint-disable-next-line jest/expect-expect
+  it('should return pods, bad request error', async () => {
+    await testErrorResponse(
+      {
+        response: {
+          statusCode: 400,
+          request: {
+            uri: {
+              pathname: '/some/path',
+            },
+          },
+        },
+      },
+      {
+        errorType: 'BAD_REQUEST',
+        resourcePath: '/some/path',
+        statusCode: 400,
+      },
+    );
+  });
+  // they're in testErrorResponse
+  // eslint-disable-next-line jest/expect-expect
   it('should return pods, unauthorized error', async () => {
     await testErrorResponse(
       {

From d54857099dfcb49e2aa3664cd1efb96c611bbfcb Mon Sep 17 00:00:00 2001
From: Adam Harvey <adam.harvey@dxc.com>
Date: Thu, 14 Jan 2021 10:52:53 -0500
Subject: [PATCH 3/3] Add changeset

---
 .changeset/bright-icons-repair.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/bright-icons-repair.md

diff --git a/.changeset/bright-icons-repair.md b/.changeset/bright-icons-repair.md
new file mode 100644
index 0000000000..8c3f43403a
--- /dev/null
+++ b/.changeset/bright-icons-repair.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-kubernetes-backend': patch
+---
+
+Support HTTP 400 Bad Request from Kubernetes API