📝 Add monitoring stack install

2026-02-14 17:49:59 +00:00 · 2025-06-12 20:05:14 +02:00
parent 4a0e23d131
commit bc6100301e
4 changed files with 247 additions and 3 deletions
--- a/k8s/M6-monitoring-components.yaml
+++ b/k8s/M6-monitoring-components.yaml
@@ -0,0 +1,29 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  labels:
+    app.kubernetes.io/instance: flux-system
+    app.kubernetes.io/part-of: flux
+    app.kubernetes.io/version: v2.5.1
+    pod-security.kubernetes.io/warn: restricted
+    pod-security.kubernetes.io/warn-version: latest
+  name: monitoring
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: grafana
+  namespace: monitoring
+spec:
+  ingressClassName: nginx
+  rules:
+    - host: grafana.test.metal.mybestdomain.com
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: kube-prometheus-stack-grafana
+                port:
+                  number: 80
--- a/slides/images/M6-grafana-dashboard.png
+++ b/slides/images/M6-grafana-dashboard.png
--- a/slides/k8s/M6-START-a-company-scenario.md
+++ b/slides/k8s/M6-START-a-company-scenario.md
@@ -236,7 +236,6 @@ The **_⚙️OPS_** team aims to provide clusters offering the following feature

 ### What our scenario might look like…

-<!-- TODO: to upgrade according to the actual scenario that is eventually build -->
 <pre class="mermaid">
 %%{init:
    {
@@ -328,13 +327,13 @@ gitGraph

    checkout OPS
    commit id:'Prometheus install'
-    checkout METAL_TEST-PROD
+    checkout TEST-env
    merge OPS type: HIGHLIGHT

    checkout OPS
    commit id:'Kyverno install'
    commit id:'Kyverno rules'
-    checkout METAL_TEST-PROD
+    checkout TEST-env
    merge OPS type: HIGHLIGHT

    checkout OPS
--- a/slides/k8s/M6-monitoring-stack-install.md
+++ b/slides/k8s/M6-monitoring-stack-install.md
@@ -0,0 +1,216 @@
+# Install monitoring stack
+
+The **_⚙️OPS_** team wants to have a real monitoring stack for its clusters.  
+Let's deploy `Prometheus` and `Grafana` onto the clusters.  
+
+Note: 
+
+---
+
+## Install Monitoring components
+
+.lab[
+
+```bash
+k8s@shpod:~/fleet-config-using-flux-XXXXX$ mkdir -p clusters/CLOUDY/kube-prometheus-stack
+
+k8s@shpod:~/fleet-config-using-flux-XXXXX$ flux create source git monitoring \
+    --namespace=monitoring                                                   \
+    --url=https://github.com/fluxcd/flux2-monitoring-example.git             \
+    --branch=main  --export > ./clusters/CLOUDY/kube-prometheus-stack/sync.yaml
+```
+
+]
+
+---
+
+## Creating `kustomization` in Flux for monitoring stack
+
+.lab[
+
+```bash
+k8s@shpod:~/fleet-config-using-flux-XXXXX$ flux create kustomization monitoring \
+    --namespace=monitoring                                                      \
+    --source=GitRepository/monitoring                                           \
+    --path="./monitoring/controllers/kube-prometheus-stack/"                    \
+    --export >> ./clusters/CLOUDY/kube-prometheus-stack/sync.yaml
+```
+
+]
+
+---
+
+## Install Flux Grafana dashboards
+
+.lab[
+
+```bash
+k8s@shpod:~/fleet-config-using-flux-XXXXX$ flux create kustomization dashboards \
+    --namespace=monitoring                                                      \
+    --source=GitRepository/monitoring                                           \
+    --path="./monitoring/configs/"                                              \
+    --export >> ./clusters/CLOUDY/kube-prometheus-stack/sync.yaml
+
+
+k8s@shpod:~/fleet-config-using-flux-XXXXX$        \
+    cd ./clusters/CLOUDY/kube-prometheus-stack/ && \
+    kustomize create --autodetect &&              \
+    cd -
+```
+
+]
+
+---
+
+class: pic
+
+![Running Mario](images/M6-running-Mario.gif)
+
+---
+
+## Access the Grafana dashboard
+
+.lab[
+
+- Get the `Host` and `IP` address to request
+
+```bash
+k8s@shpod:~$ kubectl -n monitoring get ingress
+NAME      CLASS   HOSTS                                 ADDRESS        PORTS   AGE
+grafana   nginx   grafana.test.metal.mybestdomain.com   62.210.39.83   80      6m30s
+```
+
+- Get the `Grafana` admin password
+
+```bash
+k get secret kube-prometheus-stack-grafana -n monitoring -o jsonpath='{.data.admin-password}' | base64 -d
+```
+
+]
+
+## And browse…
+
+class: pic
+
+![Grafana dashboard screenshot](images/M6-grafana-dashboard.png)
+
+---
+
+### 🗺️ Where are we in our scenario?
+
+<pre class="mermaid">
+%%{init:
+    {
+      "theme": "default",
+      "gitGraph": {
+        "mainBranchName": "OPS",
+        "mainBranchOrder": 0
+      }
+    }
+}%%
+gitGraph
+    commit id:"0" tag:"start"
+    branch ROCKY order:4
+    branch MOVY order:5
+    branch YouRHere order:6
+
+    checkout OPS
+    commit id:'Flux install on CLOUDY cluster' tag:'T01'
+    branch TEST-env order:1
+    commit id:'FLUX install on TEST' tag:'T02' type: HIGHLIGHT
+
+    checkout OPS
+    commit id:'Flux config. for TEST tenant' tag:'T03'
+    commit id:'namespace isolation by RBAC'
+    checkout TEST-env
+    merge OPS id:'ROCKY tenant creation' tag:'T04'
+
+    checkout OPS
+    commit id:'ROCKY deploy. config.' tag:'R01'
+
+    checkout TEST-env
+    merge OPS id:'TEST ready to deploy ROCKY' type: HIGHLIGHT tag:'R02'
+
+    checkout ROCKY
+    commit id:'ROCKY' tag:'v1.0.0'
+
+    checkout TEST-env
+    merge ROCKY tag:'ROCKY v1.0.0'
+
+    checkout OPS
+    commit id:'Ingress-controller config.' tag:'T05'
+    checkout TEST-env
+    merge OPS id:'Ingress-controller install' type: HIGHLIGHT tag:'T06'
+
+    checkout OPS
+    commit id:'ROCKY patch for ingress config.' tag:'R03'
+    checkout TEST-env
+    merge OPS id:'ingress config. for ROCKY app'
+
+    checkout ROCKY
+    commit id:'blue color' tag:'v1.0.1'
+    checkout TEST-env
+    merge ROCKY tag:'ROCKY v1.0.1'
+
+    checkout ROCKY
+    commit id:'pink color' tag:'v1.0.2'
+    checkout TEST-env
+    merge ROCKY tag:'ROCKY v1.0.2'
+
+    checkout OPS
+    commit id:'FLUX config for MOVY deployment' tag:'M01'
+    checkout TEST-env
+    merge OPS id:'FLUX ready to deploy MOVY' type: HIGHLIGHT tag:'M02'
+
+    checkout MOVY
+    commit id:'MOVY' tag:'v1.0.3'
+    checkout TEST-env
+    merge MOVY tag:'MOVY v1.0.3' type: REVERSE
+
+    checkout OPS
+    commit id:'Network policies'
+    checkout TEST-env
+    merge OPS type: HIGHLIGHT tag:'T07'
+
+    checkout OPS
+    commit id:'k0s install on METAL cluster' tag:'K01'
+    commit id:'Flux config. for METAL cluster' tag:'K02'
+    branch METAL_TEST-PROD order:3
+    commit id:'ROCKY/MOVY tenants on METAL' type: HIGHLIGHT
+    checkout OPS
+    commit id:'Flux config. for OpenEBS' tag:'K03'
+    checkout METAL_TEST-PROD
+    merge OPS id:'openEBS on METAL' type: HIGHLIGHT
+
+    checkout OPS
+    commit id:'Prometheus install'
+    checkout TEST-env
+    merge OPS type: HIGHLIGHT
+
+    checkout YouRHere
+    commit id:'x'
+    checkout OPS
+    merge YouRHere id:'YOU ARE HERE'
+
+    checkout OPS
+    commit id:'Kyverno install'
+    commit id:'Kyverno rules'
+    checkout TEST-env
+    merge OPS type: HIGHLIGHT
+
+    checkout OPS
+    commit id:'Flux config. for PROD tenant' tag:'P01'
+    branch PROD-env order:2
+    commit id:'ROCKY tenant on PROD'
+    checkout OPS
+    commit id:'ROCKY patch for PROD' tag:'R04'
+    checkout PROD-env
+    merge OPS id:'PROD ready to deploy ROCKY' type: HIGHLIGHT
+    checkout PROD-env
+    merge ROCKY tag:'ROCKY v1.0.2'
+
+    checkout MOVY
+    commit id:'MOVY HELM chart' tag:'M03'
+    checkout TEST-env
+    merge MOVY tag:'MOVY v1.0'
+</pre>