From a9d74fd2cb29fd8b86984f5a43effba911436e08 Mon Sep 17 00:00:00 2001
From: Vivian Rook <91909295+vivian-rook@users.noreply.github.com>
Date: Thu, 1 Feb 2024 15:16:32 -0500
Subject: [PATCH] Install kube-state-metrics (#371)

Bug: T355179
---
 ansible/paws.yaml                            | 15 ++++++++++++++
 ansible/templates/prometheus-ingress.yaml.j2 | 21 ++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 ansible/templates/prometheus-ingress.yaml.j2

diff --git a/ansible/paws.yaml b/ansible/paws.yaml
index bd761c85..9e12ea8b 100644
--- a/ansible/paws.yaml
+++ b/ansible/paws.yaml
@@ -70,6 +70,21 @@
           - value: controller.config.allow-snippet-annotations=true
             value_type: string
 
+    - name: Prometheus
+      kubernetes.core.helm:
+        name: prometheus
+        chart_ref: prometheus
+        chart_repo_url: https://prometheus-community.github.io/helm-charts
+        chart_version: 25.11.0
+        release_namespace: metrics
+        create_namespace: true
+
+    - name: Ingress for prometheus
+      kubernetes.core.k8s:
+        state: present
+        template: "templates/prometheus-ingress.yaml.j2"
+        namespace: metrics
+
     - name: Add jupyterhub chart repo
       kubernetes.core.helm_repository:
         name: jupyterhub
diff --git a/ansible/templates/prometheus-ingress.yaml.j2 b/ansible/templates/prometheus-ingress.yaml.j2
new file mode 100644
index 00000000..c371ca5f
--- /dev/null
+++ b/ansible/templates/prometheus-ingress.yaml.j2
@@ -0,0 +1,21 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: prometheus
+spec:
+  ingressClassName: nginx
+  rules:
+{% if datacenter == 'codfw1dev' %}
+  - host: prometheus-paws.codfw1dev.wmcloud.org
+{% else %}
+  - host: prometheus-paws.wmcloud.org
+{% endif %}
+    http:
+      paths:
+      - backend:
+          service:
+            name: prometheus-server
+            port:
+              number: 80
+        path: /
+        pathType: Prefix