k8s: Support app ingress annotation (#2198)

docs/configs/kubernetes.md

@@ -110,6 +110,7 @@ metadata:
         gethomepage.dev/description: Media Server
         gethomepage.dev/group: Media
         gethomepage.dev/icon: emby.png
+        gethomepage.dev/app: emby-app # optional, may be needed if app.kubernetes.io/name != ingress metadata.name
         gethomepage.dev/name: Emby
         gethomepage.dev/widget.type: "emby"
         gethomepage.dev/widget.url: "https://emby.example.com"

src/pages/api/kubernetes/stats/[...service].js

@@ -45,7 +45,7 @@ export default async function handler(req, res) {
 
     if (pods.length === 0) {
       res.status(404).send({
-        error: "not found"
+        error: `no pods found with namespace=${namespace} and labelSelector=${labelSelector}`,
       });
       return;
     }

src/pages/api/kubernetes/status/[...service].js

@@ -42,7 +42,7 @@ export default async function handler(req, res) {
 
     if (pods.length === 0) {
       res.status(404).send({
-        error: "not found",
+        error: `no pods found with namespace=${namespace} and labelSelector=${labelSelector}`,
       });
       return;
     }

src/utils/config/service-helpers.js

@@ -237,7 +237,7 @@ export async function servicesFromKubernetes() {
       )
       .map((ingress) => {
         let constructedService = {
-          app: ingress.metadata.name,
+          app: ingress.metadata.annotations[`${ANNOTATION_BASE}/app`] || ingress.metadata.name,
           namespace: ingress.metadata.namespace,
           href: ingress.metadata.annotations[`${ANNOTATION_BASE}/href`] || getUrlFromIngress(ingress),
           name: ingress.metadata.annotations[`${ANNOTATION_BASE}/name`] || ingress.metadata.name,