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Network Observability Operator in OpenShift Container Platform

Network Observability is an OpenShift operator that deploys a monitoring pipeline to collect and enrich network traffic flows that are produced by the Network Observability eBPF agent.

Viewing statuses

The Network Observability Operator provides the Flow Collector API. When a Flow Collector resource is created, it deploys pods and services to create and store network flows in the Loki log store, as well as to display dashboards, metrics, and flows in the OpenShift Container Platform web console.

Procedure

  1. Run the following command to view the state of FlowCollector:

    $ oc get flowcollector/cluster
    Example output
    NAME      AGENT   SAMPLING (EBPF)   DEPLOYMENT MODEL   STATUS
cluster   EBPF    50                DIRECT             Ready

  2. Check the status of pods running in the netobserv namespace by entering the following command:

    $ oc get pods -n netobserv
    Example output
    NAME                              READY   STATUS    RESTARTS   AGE
flowlogs-pipeline-56hbp           1/1     Running   0          147m
flowlogs-pipeline-9plvv           1/1     Running   0          147m
flowlogs-pipeline-h5gkb           1/1     Running   0          147m
flowlogs-pipeline-hh6kf           1/1     Running   0          147m
flowlogs-pipeline-w7vv5           1/1     Running   0          147m
netobserv-plugin-cdd7dc6c-j8ggp   1/1     Running   0          147m

flowlogs-pipeline pods collect flows, enriches the collected flows, then send flows to the Loki storage. netobserv-plugin pods create a visualization plugin for the OpenShift Container Platform Console.

  1. Check the status of pods running in the namespace netobserv-privileged by entering the following command:

    $ oc get pods -n netobserv-privileged
    Example output
    NAME                         READY   STATUS    RESTARTS   AGE
netobserv-ebpf-agent-4lpp6   1/1     Running   0          151m
netobserv-ebpf-agent-6gbrk   1/1     Running   0          151m
netobserv-ebpf-agent-klpl9   1/1     Running   0          151m
netobserv-ebpf-agent-vrcnf   1/1     Running   0          151m
netobserv-ebpf-agent-xf5jh   1/1     Running   0          151m

netobserv-ebpf-agent pods monitor network interfaces of the nodes to get flows and send them to flowlogs-pipeline pods.

  1. If you are using a Loki Operator, check the status of pods running in the openshift-operators-redhat namespace by entering the following command:

    $ oc get pods -n openshift-operators-redhat
    Example output
    NAME                                                READY   STATUS    RESTARTS   AGE
loki-operator-controller-manager-5f6cff4f9d-jq25h   2/2     Running   0          18h
lokistack-compactor-0                               1/1     Running   0          18h
lokistack-distributor-654f87c5bc-qhkhv              1/1     Running   0          18h
lokistack-distributor-654f87c5bc-skxgm              1/1     Running   0          18h
lokistack-gateway-796dc6ff7-c54gz                   2/2     Running   0          18h
lokistack-index-gateway-0                           1/1     Running   0          18h
lokistack-index-gateway-1                           1/1     Running   0          18h
lokistack-ingester-0                                1/1     Running   0          18h
lokistack-ingester-1                                1/1     Running   0          18h
lokistack-ingester-2                                1/1     Running   0          18h
lokistack-querier-66747dc666-6vh5x                  1/1     Running   0          18h
lokistack-querier-66747dc666-cjr45                  1/1     Running   0          18h
lokistack-querier-66747dc666-xh8rq                  1/1     Running   0          18h
lokistack-query-frontend-85c6db4fbd-b2xfb           1/1     Running   0          18h
lokistack-query-frontend-85c6db4fbd-jm94f           1/1     Running   0          18h

Viewing Network Observability Operator status and configuration

You can inspect the status and view the details of the FlowCollector using the oc describe command.

Procedure

  1. Run the following command to view the status and configuration of the Network Observability Operator:

    $ oc describe flowcollector/cluster