From 53b332cb2846ab4f5431f3fe30f93cece248b028 Mon Sep 17 00:00:00 2001
From: Vegard Hagen <vegard@stonegarden.dev>
Date: Sun, 26 Jan 2025 20:51:12 +0100
Subject: [PATCH] feat(monitoring): add http-routes for prometheus and
 alertmanager

---
 .../alertmanager-http-route.yaml              | 19 +++++++++++
 ...ttp-route.yaml => grafana-http-route.yaml} |  4 +--
 .../prometheus-stack/ingress-route.yaml       | 32 -------------------
 .../prometheus-stack/kustomization.yaml       |  4 ++-
 .../prometheus-http-route.yaml                | 19 +++++++++++
 5 files changed, 43 insertions(+), 35 deletions(-)
 create mode 100644 k8s/infra/monitoring/prometheus-stack/alertmanager-http-route.yaml
 rename k8s/infra/monitoring/prometheus-stack/{http-route.yaml => grafana-http-route.yaml} (87%)
 delete mode 100644 k8s/infra/monitoring/prometheus-stack/ingress-route.yaml
 create mode 100644 k8s/infra/monitoring/prometheus-stack/prometheus-http-route.yaml

diff --git a/k8s/infra/monitoring/prometheus-stack/alertmanager-http-route.yaml b/k8s/infra/monitoring/prometheus-stack/alertmanager-http-route.yaml
new file mode 100644
index 0000000..77a903f
--- /dev/null
+++ b/k8s/infra/monitoring/prometheus-stack/alertmanager-http-route.yaml
@@ -0,0 +1,19 @@
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: alertmanager
+  namespace: monitoring
+spec:
+  parentRefs:
+    - name: internal
+      namespace: gateway
+  hostnames:
+    - alertmanager.stonegarden.dev
+  rules:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
+      backendRefs:
+        - name: kube-prometheus-stack-alertmanager
+          port: 9093
diff --git a/k8s/infra/monitoring/prometheus-stack/http-route.yaml b/k8s/infra/monitoring/prometheus-stack/grafana-http-route.yaml
similarity index 87%
rename from k8s/infra/monitoring/prometheus-stack/http-route.yaml
rename to k8s/infra/monitoring/prometheus-stack/grafana-http-route.yaml
index 617a279..3a35c67 100644
--- a/k8s/infra/monitoring/prometheus-stack/http-route.yaml
+++ b/k8s/infra/monitoring/prometheus-stack/grafana-http-route.yaml
@@ -1,14 +1,14 @@
 apiVersion: gateway.networking.k8s.io/v1
 kind: HTTPRoute
 metadata:
-  name: monitoring
+  name: grafana
   namespace: monitoring
 spec:
   parentRefs:
     - name: internal
       namespace: gateway
   hostnames:
-    - "grafana.stonegarden.dev"
+    - grafana.stonegarden.dev
   rules:
     - matches:
         - path:
diff --git a/k8s/infra/monitoring/prometheus-stack/ingress-route.yaml b/k8s/infra/monitoring/prometheus-stack/ingress-route.yaml
deleted file mode 100644
index 562d5f3..0000000
--- a/k8s/infra/monitoring/prometheus-stack/ingress-route.yaml
+++ /dev/null
@@ -1,32 +0,0 @@
-apiVersion: traefik.io/v1alpha1
-kind: IngressRoute
-metadata:
-  name: monitoring
-  namespace: monitoring
-  labels:
-    app: traefik
-spec:
-  entryPoints:
-    - websecure
-  routes:
-    - match: Host(`prometheus.stonegarden.dev`)
-      kind: Rule
-      services:
-        - name: kube-prometheus-stack-prometheus
-          port: http-web # 9090
-      middlewares:
-        - name: traefik-forward-auth
-    - match: Host(`grafana.stonegarden.dev`)
-      kind: Rule
-      services:
-        - name: kube-prometheus-stack-grafana
-          port: http-web # 80
-      middlewares:
-        - name: traefik-forward-auth
-    - match: Host(`alertmanager.stonegarden.dev`)
-      kind: Rule
-      services:
-        - name: kube-prometheus-stack-alertmanager
-          port: http-web # 9093
-      middlewares:
-        - name: traefik-forward-auth
\ No newline at end of file
diff --git a/k8s/infra/monitoring/prometheus-stack/kustomization.yaml b/k8s/infra/monitoring/prometheus-stack/kustomization.yaml
index 8203d88..604df66 100644
--- a/k8s/infra/monitoring/prometheus-stack/kustomization.yaml
+++ b/k8s/infra/monitoring/prometheus-stack/kustomization.yaml
@@ -4,4 +4,6 @@ kind: Kustomization
 resources:
   - ns.yaml
   - kube-prometheus-stack.yaml
-  - http-route.yaml
+  - alertmanager-http-route.yaml
+  - grafana-http-route.yaml
+  - prometheus-http-route.yaml
diff --git a/k8s/infra/monitoring/prometheus-stack/prometheus-http-route.yaml b/k8s/infra/monitoring/prometheus-stack/prometheus-http-route.yaml
new file mode 100644
index 0000000..1296ce5
--- /dev/null
+++ b/k8s/infra/monitoring/prometheus-stack/prometheus-http-route.yaml
@@ -0,0 +1,19 @@
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: prometheus
+  namespace: monitoring
+spec:
+  parentRefs:
+    - name: internal
+      namespace: gateway
+  hostnames:
+    - prometheus.stonegarden.dev
+  rules:
+    - matches:
+        - path:
+            type: PathPrefix
+            value: /
+      backendRefs:
+        - name: kube-prometheus-stack-prometheus
+          port: 9090