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Monitoring in Kubernetes with Prometheus and Grafana

Monitoring is an essential part of the overall CI/CD picture. To deploy frequently, you need to be able to have confidence that if a deployment breaks something, you will be able to identify the problem and respond quickly to minimize the impact on users. In this activity, you will learn to install and configure Prometheus and Grafana in a Kubernetes cluster, and you will set up some basic Grafana dashboards to give you insight into the performance of the cluster and the applications running in it.

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Path Info

Level

Intermediate

Duration

1h 30m

Published

Oct 01, 2018

Challenge

Install Prometheus in the Kubernetes cluster.

To do this, make sure you have cloned the Kubernetes charts repo:

cd ~/
git clone https://github.com/kubernetes/charts
cd charts
git checkout efdcffe0b6973111ec6e5e83136ea74cdbe6527d
cd ../

Create a prometheus-values.yml with this content:

  alertmanager:
    persistentVolume:
      enabled: false
  server:
    persistentVolume:
      enabled: false

Use helm to install Prometheus with prometheus-values.yml:

helm install -f ~/prometheus-values.yml ~/charts/stable/prometheus --name prometheus --namespace prometheus

Challenge

Install Grafana in the Kubernetes cluster.
To do this, make sure you have cloned the kubernetes charts repo:
```
cd ~/
git clone https://github.com/kubernetes/charts
```
Create a grafana-values.yml with this content (you will use this password to log in to Grafana):
```
adminPassword: somePassword
```
Use helm to install Grafana with grafana-values.yml:
```
helm install -f ~/grafana-values.yml ~/charts/stable/grafana --name grafana --namespace grafana
```

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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