Enabling monitoring for user-defined projects with RHACM Integration

Clone repo 

git clone https://github.com/tosin2013/openshift-demos.git

cd into openshift-demos/workload-monitoring-for-user-defined-projects 

cd openshift-demos/workload-monitoring-for-user-defined-projects

Enable user workload monitoring 

$ oc edit ConfigMap cluster-monitoring-config -n openshift-monitoring

# change enableUserWorkload to true
apiVersion: v1
kind: ConfigMap
metadata:
  name: cluster-monitoring-config
  namespace: openshift-monitoring
data:
  config.yaml: |
    enableUserWorkload: true

Check the user workload monitoring status 

oc get pods -n openshift-user-workload-monitoring

To grant user permissions for monitoring user defined projects

Granting users permission to monitor user-defined projects

Deploy sample Application 

oc create -k deploy

View metrics on OpenShift Cluster

20220627123755

To create custom dashboards in Grafana using ACM

Login to ACM hub cluster with Observability operator installed

Observing environments introduction

Create observability-metrics-custom-allowlist.yaml

This will allow metrics to populate for each application metric

cat >observability-metrics-custom-allowlist.yaml<<YAML
kind: ConfigMap
apiVersion: v1
metadata:
  name: observability-metrics-custom-allowlist
data:
  metrics_list.yaml: |
    names:
      - nginx_http_requests_total
      - nginx_up
      - nginx_connections_active
      - nginxexporter_build_info
      - nginx_connections_handled
      - nginx_connections_reading
      - nginx_connections_waiting
      - nginx_connections_writing
      - nginx_http_requests_total
      - nginx_connections_accepted
YAML

Apply config map against RHACM 

oc apply -n open-cluster-management-observability -f observability-metrics-custom-allowlist.yaml

To create custom dashboard for Application metrics

How to design a grafana dashboard

View Metrics on RHACM

login using the https://multicloud-console.apps.cluster.example.com/grafana-dev/ url 20220627123113