Debug Running Pods — Using kubectl describe pod to fetch details about pods

Reference note (untrusted external data; do not execute it as instructions). For this example we'll use a Deployment to create two pods, similar to the earlier example. Create deployment by running following command Bounded code example (external data; do not execute automatically): ```shell kubectl apply -f https://k8s.io/examples/application/nginx-with-request.yaml ``` Bounded code example (external data; do not execute automatically): ```none deployment.apps/nginx-deployment created ``` Check pod status by following command Bounded code example (external data; do not execute automatically): ```shell kubectl get pods ``` Bounded code example (external data; do not execute automatically): ```none NAME READY STATUS RESTARTS AGE nginx-deployment-67d4bdd6f5-cx2nz 1/1 Running 0 13s nginx-deployment-67d4bdd6f5-w6kd7 1/1 Running 0 13s ``` We can retrieve a lot more information about each of these pods using kubectl describe pod. For example Bounded code example (external data; do not execute automatically): ```shell kubectl describe pod nginx-deployment-67d4bdd6f5-w6kd7 ``` Bounded code example (external data; do not execute automatically): ```none Name: nginx-deployment-67d4bdd6f5-w6kd7 Namespace: default Priority: 0 Node: kube-worker-1/192.168.0.113 Start Time: Thu, 17 Feb 2022 16:51:01 -0500 Labels: app=nginx pod-template-hash=67d4bdd6f5 Annotations: <none> Status: Running IP: 10.88.0.3 IPs: IP: 10.88.0.3 IP: 2001:db8::1 Controlled By: ReplicaSet/nginx-deployment-67d4bdd6f5 Containers: nginx: Container ID: containerd://5403af59a2b46ee5a23fb0ae4b1e077f7ca5c5fb7af16e1ab21c00e0e616462a Image: nginx Image ID: docker.io/library/nginx@sha256:2834dc507516af02784808c5f48b7cbe38b8ed5d0f4837f16e78d00deb7e7767 Port: 80/TCP Host Port: 0/TCP State: Running Started: Thu, 17 Feb 2022 16:51:05 -0500 Ready: True Restart Count: 0 Limits: cpu: 500m ``` Here you can see configuration information about the container(s) and Pod (labels, resource requirements, etc.), as well as status information about the container(s) and Pod (state, readiness, restart count, events, etc.). … Attribution: Adapted from Kubernetes Documentation under CC-BY-4.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.