From 62c04ee8b074dcbe0001c60e731514e2c80cab5e Mon Sep 17 00:00:00 2001
From: Michael Thomson <michael@michaelthomson.dev>
Date: Thu, 26 Sep 2024 17:10:13 -0400
Subject: [PATCH] add prometheus stack

Signed-off-by: Michael Thomson <michael@michaelthomson.dev>
---
 .../helmrepository-prometheus-community.yaml  |  8 +++++
 .../kustomization-kube-prometheus-stack.yaml  | 18 +++++++++++
 .../namespace-kube-prometheus-stack.yaml      |  4 +++
 .../dns-endpoint-grafana.yaml                 | 12 +++++++
 .../helmrelease-kube-prometheus-stack.yaml    | 32 +++++++++++++++++++
 5 files changed, 74 insertions(+)
 create mode 100644 bootstrap/helmrepositories/helmrepository-prometheus-community.yaml
 create mode 100644 bootstrap/kustomizations/kustomization-kube-prometheus-stack.yaml
 create mode 100644 bootstrap/namespaces/namespace-kube-prometheus-stack.yaml
 create mode 100644 kube-prometheus-stack/dns-endpoint-grafana.yaml
 create mode 100644 kube-prometheus-stack/helmrelease-kube-prometheus-stack.yaml

diff --git a/bootstrap/helmrepositories/helmrepository-prometheus-community.yaml b/bootstrap/helmrepositories/helmrepository-prometheus-community.yaml
new file mode 100644
index 0000000..1329659
--- /dev/null
+++ b/bootstrap/helmrepositories/helmrepository-prometheus-community.yaml
@@ -0,0 +1,8 @@
+apiVersion: source.toolkit.fluxcd.io/v1beta2
+kind: HelmRepository
+metadata:
+  name: prometheus-community
+  namespace: flux-system
+spec:
+  interval: 15m
+  url: https://prometheus-community.github.io/helm-charts
diff --git a/bootstrap/kustomizations/kustomization-kube-prometheus-stack.yaml b/bootstrap/kustomizations/kustomization-kube-prometheus-stack.yaml
new file mode 100644
index 0000000..8a6bc8c
--- /dev/null
+++ b/bootstrap/kustomizations/kustomization-kube-prometheus-stack.yaml
@@ -0,0 +1,18 @@
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: kube-prometheus-stack
+  namespace: flux-system
+spec:
+  interval: 15m
+  path: ./kube-prometheus-stack
+  prune: true # remove any elements later removed from the above path
+  timeout: 2m # if not set, this defaults to interval duration, which is 1h
+  sourceRef:
+    kind: GitRepository
+    name: flux-system
+  healthChecks:
+    - apiVersion: helm.toolkit.fluxcd.io/v2beta1
+      kind: HelmRelease
+      name: kube-prometheus-stack
+      namespace: kube-prometheus-stack
diff --git a/bootstrap/namespaces/namespace-kube-prometheus-stack.yaml b/bootstrap/namespaces/namespace-kube-prometheus-stack.yaml
new file mode 100644
index 0000000..5c4ed57
--- /dev/null
+++ b/bootstrap/namespaces/namespace-kube-prometheus-stack.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: kube-prometheus-stack
diff --git a/kube-prometheus-stack/dns-endpoint-grafana.yaml b/kube-prometheus-stack/dns-endpoint-grafana.yaml
new file mode 100644
index 0000000..2222fa7
--- /dev/null
+++ b/kube-prometheus-stack/dns-endpoint-grafana.yaml
@@ -0,0 +1,12 @@
+apiVersion: externaldns.k8s.io/v1alpha1
+kind: DNSEndpoint
+metadata:
+  name: grafana.michaelthomson.dev
+  namespace: kube-prometheus-stack
+spec:
+  endpoints:
+  - dnsName: grafana.michaelthomson.dev
+    recordTTL: 180
+    recordType: CNAME
+    targets:
+    - server.michaelthomson.dev
diff --git a/kube-prometheus-stack/helmrelease-kube-prometheus-stack.yaml b/kube-prometheus-stack/helmrelease-kube-prometheus-stack.yaml
new file mode 100644
index 0000000..aed89cf
--- /dev/null
+++ b/kube-prometheus-stack/helmrelease-kube-prometheus-stack.yaml
@@ -0,0 +1,32 @@
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: kube-prometheus-stack
+  namespace: kube-prometheus-stack
+spec:
+  chart:
+    spec:
+      chart: kube-prometheus-stack
+      version: 63.x
+      sourceRef:
+        kind: HelmRepository
+        name: prometheus-community
+        namespace: flux-system
+  interval: 15m
+  timeout: 5m
+  releaseName: kube-prometheus-stack
+  values:
+    grafana:
+      ingress:
+        enabled: true
+        annotations:
+          traefik.ingress.kubernetes.io/router.tls: "true"
+          traefik.ingress.kubernetes.io/router.entrypoints: websecure
+          traefik.ingress.kubernetes.io/router.middlewares: traefik-authentik@kubernetescrd
+        hosts:
+        - grafana.michaelthomson.dev
+        path: /
+        tls:
+          - secretName: letsencrypt-wildcard-cert-michaelthomson.dev
+            hosts:
+              - grafana.michaelthomson.dev