From d7e14f9b35e64ed3106db76c67dce8d5edff9de3 Mon Sep 17 00:00:00 2001
From: Tanguy Herbron <tanguy.herbron@outlook.com>
Date: Sat, 29 Jul 2023 09:44:09 +0200
Subject: [PATCH] feat(prometheus): Add self scraping

---
 manifests/prometheus/kustomization.yaml  |  2 ++
 manifests/prometheus/prometheus.yaml     |  3 +++
 manifests/prometheus/service.yaml        | 16 ++++++++++++++++
 manifests/prometheus/servicemonitor.yaml | 14 ++++++++++++++
 4 files changed, 35 insertions(+)
 create mode 100644 manifests/prometheus/service.yaml
 create mode 100644 manifests/prometheus/servicemonitor.yaml

diff --git a/manifests/prometheus/kustomization.yaml b/manifests/prometheus/kustomization.yaml
index 723baa6..5dc83e0 100644
--- a/manifests/prometheus/kustomization.yaml
+++ b/manifests/prometheus/kustomization.yaml
@@ -2,4 +2,6 @@ resources:
   - serviceaccount.yaml
   - clusterrole.yaml
   - clusterrolebinding.yaml
+  - service.yaml
+  - servicemonitor.yaml
   - prometheus.yaml
diff --git a/manifests/prometheus/prometheus.yaml b/manifests/prometheus/prometheus.yaml
index f9f79f0..8496f03 100644
--- a/manifests/prometheus/prometheus.yaml
+++ b/manifests/prometheus/prometheus.yaml
@@ -7,6 +7,9 @@ spec:
   serviceAccountName: prometheus
   serviceMonitorNamespaceSelector: {}
   serviceMonitorSelector: {}
+  podMonitorSelector:
+    matchLabels:
+      team: core
   resources:
     requests:
       memory: 300Mi
diff --git a/manifests/prometheus/service.yaml b/manifests/prometheus/service.yaml
new file mode 100644
index 0000000..7ccddcd
--- /dev/null
+++ b/manifests/prometheus/service.yaml
@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: prometheus-svc
+  namespace: monitoring
+  labels:
+    app.kubernetes.io/name: prometheus
+spec:
+  ports:
+    - name: web
+      port: 9090
+      protocol: TCP
+      targetPort: web
+  selector:
+    app.kubernetes.io/name: prometheus
+
diff --git a/manifests/prometheus/servicemonitor.yaml b/manifests/prometheus/servicemonitor.yaml
new file mode 100644
index 0000000..ceb46bc
--- /dev/null
+++ b/manifests/prometheus/servicemonitor.yaml
@@ -0,0 +1,14 @@
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: prometheus
+  namespace: monitoring
+  labels:
+    team: core
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: prometheus
+  endpoints:
+    - port: web
+      path: /metrics