openshift prometheus

What is Prometheus OpenShift?
How do I get Prometheus on OpenShift?
How do you use OpenShift Prometheus?
What is Grafana in OpenShift?
How do I update Prometheus rules?
How do I monitor my OpenShift cluster?
How do you get the cluster name in Prometheus?
How do you install and configure Prometheus and Grafana on Kubernetes?
How do I set Prometheus AlertManager in Grafana?
What is Prometheus server?
What is OpenShift in Linux?
What is an OpenShift operator?

What is Prometheus OpenShift?

Overview. OpenShift Container Platform ships with a pre-configured and self-updating monitoring stack that is based on the Prometheus open source project and its wider eco-system. ... The Prometheus Operator (PO) creates, configures, and manages Prometheus and Alertmanager instances.

How do I get Prometheus on OpenShift?

Navigate to the OpenShift Container Platform Web console and authenticate. To access Prometheus, navigate to "Monitoring" → "Metrics". To access the Alerting UI, navigate to "Monitoring" → "Alerts" or "Monitoring" → "Silences". To access Grafana, navigate to "Monitoring" → "Dashboards".

How do you use OpenShift Prometheus?

Step 1: Setting up Openshift. The simplest way to setup Openshift locally is using “CodeReady Containers”. ...
Step 2: Setting up Prometheus. ...
Step 3: Expose Prometheus. ...
Step 4: Configure Prometheus RBAC. ...
Step 5: Configure Prometheus to scrape pods metrics.

What is Grafana in OpenShift?

With the community-powered Grafana, an OpenShift administrator can now write their own Prometheus queries to extract metrics and create custom dashboards to visualize the data.

How do I update Prometheus rules?

Configuring rules

The rule files can be reloaded at runtime by sending SIGHUP to the Prometheus process. The changes are only applied if all rule files are well-formatted.

How do I monitor my OpenShift cluster?

Each OpenShift Container Platform component is responsible for its monitoring configuration.
...
In addition to the components of the stack itself, the monitoring stack monitors:

CoreDNS.
Elasticsearch (if Logging is installed)
Etcd.
Fluentd (if Logging is installed)
HAProxy.
Image registry.
Kubelets.
Kubernetes apiserver.

How do you get the cluster name in Prometheus?

1 Answer. You need to have a "cluster" label defined in the "kube_pod_info" metric. To resolve this you can just use the "instance" label instead or create a "cluster" label in the Prometheus configuration using the "instance" label to map the IPs to known cluster names, for example.

How do you install and configure Prometheus and Grafana on Kubernetes?

Once you have this ready to go, you can begin.

Step 1 — Install Prometheus Operator. ...
Step 2 — Configure Prometheus RBAC Permissions. ...
Step 3 — Deploy Prometheus. ...
Step 4 — Create a Prometheus Service. ...
Step 5 — Create a Prometheus ServiceMonitor. ...
Step 6 — Create a Kubernetes Secret to store Grafana Cloud credentials.

How do I set Prometheus AlertManager in Grafana?

How to Set Up AlertManager For Prometheus Alerts and Grafana Alerts

Stand up an instance of AlertManager.
Configure our Prometheus instance to use AlertManager.
Create alert rules in Prometheus.
Test Grafana and Prometheus alerts.

What is Prometheus server?

Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. ... It is now a standalone open source project and maintained independently of any company.

What is OpenShift in Linux?

OpenShift is a family of containerization software products developed by Red Hat. Its flagship product is the OpenShift Container Platform — an on-premises platform as a service built around Docker containers orchestrated and managed by Kubernetes on a foundation of Red Hat Enterprise Linux.

What is an OpenShift operator?

Operators are pieces of software that ease the operational complexity of running another piece of software. They act like an extension of the software vendor's engineering team, watching over a Kubernetes environment (such as OpenShift Container Platform) and using its current state to make decisions in real time.