• k8s
• StudyNotes
• Pods

k8s Pods

• PODs
  • smallest object in k8s, contains containers, can contain one or more containers
  • scale service by creating more pod instances.
  • additional container could be helper container.
  • network space is shared between containers in the same pod, they can communicate on localhost.
• Static Pods

  • On standalone VM, the kubelet can be configured to

    • read pod definitions from

      1. (Option:--pod-manifest-path=/etc/kubernetes/manifests).

         •  ps ax | grep kubeconfig 

      2. kubeconfig.yaml staticPodPath: /etc/kubernetes/manifest.
    • It also assures they stay alive.
    • Only POD's , nothing else.

    • view with  docker ps 

    • the kubeadm k8s setup uses static pods to run the k8s management software as pods on nodes.

  • Static Pods and DaemonSets are ignored by the Kube-Scheduler