kubernetes pod yaml example

Recently started to study kubernetes, the operation of the container, the discovery has been in the containercreating state, sad a reminder, just started to encounter a bit of trouble, the following talk about how to find the problem and solve theTo run the container command:KUBECTL-F Create Redis.yamlKubectl Get pod RedisNAME Ready STATUS RestartsREDIS-MASTER-6JGSL 0/1 containercreating 0 12sAlways in cont

1. Emptydir (Local data volume)The Emptydir type of volume is created when the pod is dispatched to a host, and the container within the same pod can read and write to the same file in the Emptydir. Once the pod has left the host, the data in the EMPTYDIRR will be permanently deleted. So the current Emptydir type of volume is primarily used as a temporary space,

mountpath:/logs volumes: -name:app-logs Emptudir : {} View Log kubectl logs 5. Configuration management of Pod The Kubernetes v1.2 version provides a unified cluster configuration management solution –configmap. 5.1. Configmap: Configuration management for container applications Usage Scenario: Live as an environment variable within a container. Set startup parameters for the container start

cluster-level self-healing capabilities. For example, if a node fails, the controller can automatically dispatch pods on that node to other healthy nodes. Although you can use the pod directly, the controller is usually used to manage the pod in kubernetes. As shown in the composition of the

the same as restarting the pod. The pod only provides the container's operating environment and keeps the container running, and restarting the container does not cause the pod to restart.(2) pod does not heal. If the pod is running node failure, or if the scheduler itself

: Kubectl-n Kube-system get pods-o Wide built-in node label Kubernetes starting from v1.4, nodes have some built-in label, listed as follows: Kubernetes.io/hostname Failure-domain.beta.kubernetes.io/zone Failure-domain.beta.kubernetes.io/region Beta.kubernetes.io/instance-type Beta.kubernetes.io/os Beta.kubernetes.io/arch Built-in label Example Yaml File Con

Pod is the most basic deployment dispatch unit in Kubernetes, and it can contain container, which logically represents an instance of a certain application. For example, a Web site application is built from the front end, back end, and database, and these three components will run in their respective containers, so we can create a

Kubernetes section Volume type Introduction and Yaml sample--emptydir (Local data volume) DescriptionThe Emptydir type of volume is created when the pod is dispatched to a host, and the container within the same pod can read and write to the same file in the Emptydir. Once the