pod definition file complete contents # yaml format:
apiVersion: v1 # Required, version number, e.g. v1 // red portion defined Pod metadata information, POD,
kind: Pod # Required, Pod // namespace, pod labels, relevant comments
metadata: # Required metadata
name: string # Required, Pod name
namespace: string # Required, belongs to a namespace Pod
labels: # Custom label
- name: string # Custom label name
annotations: # Custom comment lists
- name: string
// definition of container in volume, port,
// start-up mode, the working directory, environment variables
// volume mount position, the size of the resource request
spec: # Required, detailed definitions of the container Pod // definition of container related POD,
containers: # Required, Pod in the container list //
- name: string # Required, container name
image: string # Required, mirroring name of the container
imagePullPolicy: [Always | Never | IfNotPresent] # image acquisition strategy Alawys the download mirrors IfnotPresent represent priority use of local mirroring, or download the image, Nerver uses only local mirror
command: [string] # start command list container, if not specified, the start command used when using the Package
args: [string] # container startup command parameter list
workingDir: string # container working directory
volumeMounts: # mount disposed inside of the container storage volume
- name: string # reference name of the shared storage volume pod definition, required volumes [] section defines the volume name
mountPath: string # storage volume in the container mount absolute path, should be less than 512 characters
readOnly: boolean # is read-only mode
ports: # list of ports needs to be exposed bank number
- name: string # Name Port Number
containerPort: int # container needs to listen on port number
hostPort: int # container where the host needs to listen to the port number, default and Container same
protocol: string # port protocol that supports TCP and UDP, TCP default
env: # container environment variables to be set before running list
- name: string # environment variable name
value: the value of an environment variable string #
resources: # Set resource limits and requests
limits: # set resource limits
cpu: string #Cpu limited number of units of Core, for docker run --cpu-shares parameters
memory: string # memory limit, the unit may be Mib / Gib, parameters for docker run --memory
requests: Set # resource request
cpu: string #Cpu request, the initial number of available start container
memory: string # clear memory, the number of containers can be used to start the initial
// this pod for the maintenance of the way, strategies
livenessProbe: # container set within the Pod health examination, as a method wherein the detecting no response after several automatically restart the container inspection methods exec, httpGet TCPsocket and, to a container by simply setting
exec: # Pod for the container inspection mode is set to mode exec
command: [string] #exec need to develop ways of command or script
httpGet: # of the vessel within the Pod health check method is set to HttpGet, the need to develop Path, port
path: string
port: number
host: string
scheme: string
HttpHeaders:
- name: string
value: string
tcpSocket: # health check method for the vessel to TCPsocket mode Pod
port: number
initialDelaySeconds: 0 # container startup time after the completion of the first probe, in seconds
timeoutSeconds: 0 # container probe health check response wait timeout time, in seconds, default 1 second
periodSeconds: 0 # periodic monitoring inspection probe time the container is provided, in seconds, 10 seconds by default
successThreshold: 0
failureThreshold: 0
securityContext:
privileged:false
restartPolicy: [Always | Never | OnFailure] #Pod restart strategy, Always that once regardless of the manner in which terminates, kubelet will restart, OnFailure means that only non-zero exit code Pod to withdraw before the restart, Nerver said not to restart the Pod
nodeSelector: obeject # Set the Pod scheduled NodeSelector represents the node containing this label to key: the specified value format.
imagePullSecrets: secret name used #Pull mirror to key: secretkey specified format
- name: string
hostNetwork: false # whether to use the host network mode, the default is false, if set to true, indicates the use of the host network
// position of the container storage volume
volumes: # define a shared storage volume in the list on the pod
- name: string # shared storage volume name (there are many types of volumes)
emptyDir: {} # emtyDir type of storage volumes, with a temporary directory Pod same life cycle. It is null
hostPath: string # hostPath type of storage volumes, where the host Pod represents mount directory
path: string #Pod directory where the host will be used to mount the directory in the same period
secret: # secret type of storage volumes, the object mount secre defined clusters and into the container
scretname: string
items:
- key: string
path: string
configMap: # configMap type of storage volume, loading the predefined objects into the container configMap
name: string
items:
- key: string
path: string
