Container 结构体代码阅读

// A single application container that you want to run within a pod.
// 要在 pod 中运行的单个应用程序容器。
type Container struct {

	// 指定为 DNS_LABEL 的容器的名称。
	
	Name string `json:"name" protobuf:"bytes,1,opt,name=name"`
	
	// 镜像名称
	Image string `json:"image,omitempty" protobuf:"bytes,2,opt,name=image"`

	// 命令
	Command []string `json:"command,omitempty" protobuf:"bytes,3,rep,name=command"`

	// 参数
	Args []string `json:"args,omitempty" protobuf:"bytes,4,rep,name=args"`


	// 工作日目录
	WorkingDir string `json:"workingDir,omitempty" protobuf:"bytes,5,opt,name=workingDir"`
	

	// 端口号
	Ports []ContainerPort `json:"ports,omitempty" patchStrategy:"merge" patchMergeKey:"containerPort" protobuf:"bytes,6,rep,name=ports"`

	// 环境变量 cofigmap 映射
	EnvFrom []EnvFromSource `json:"envFrom,omitempty" protobuf:"bytes,19,rep,name=envFrom"`

	// 环境变量
	Env []EnvVar `json:"env,omitempty" patchStrategy:"merge" patchMergeKey:"name" protobuf:"bytes,7,rep,name=env"`

	// 资源要求
	Resources ResourceRequirements `json:"resources,omitempty" protobuf:"bytes,8,opt,name=resources"`

	// 要挂载的逻辑卷
	VolumeMounts []VolumeMount `json:"volumeMounts,omitempty" patchStrategy:"merge" patchMergeKey:"mountPath" protobuf:"bytes,9,rep,name=volumeMounts"`
	
	// 卷设备
	VolumeDevices []VolumeDevice `json:"volumeDevices,omitempty" patchStrategy:"merge" patchMergeKey:"devicePath" protobuf:"bytes,21,rep,name=volumeDevices"`
	
	// 存活探针
	LivenessProbe *Probe `json:"livenessProbe,omitempty" protobuf:"bytes,10,opt,name=livenessProbe"`
	
	// 就绪探针
	ReadinessProbe *Probe `json:"readinessProbe,omitempty" protobuf:"bytes,11,opt,name=readinessProbe"`
	
	// 启动探针
	StartupProbe *Probe `json:"startupProbe,omitempty" protobuf:"bytes,22,opt,name=startupProbe"`
	
	// 生命周期
	Lifecycle *Lifecycle `json:"lifecycle,omitempty" protobuf:"bytes,12,opt,name=lifecycle"`
	
	// 文件终止路径
	TerminationMessagePath string `json:"terminationMessagePath,omitempty" protobuf:"bytes,13,opt,name=terminationMessagePath"`
	
	// 终止消息策略
	TerminationMessagePolicy TerminationMessagePolicy `json:"terminationMessagePolicy,omitempty" protobuf:"bytes,20,opt,name=terminationMessagePolicy,casttype=TerminationMessagePolicy"`
	
	// 镜像拉取策略
	ImagePullPolicy PullPolicy `json:"imagePullPolicy,omitempty" protobuf:"bytes,14,opt,name=imagePullPolicy,casttype=PullPolicy"`
	
	// 安全选项
	SecurityContext *SecurityContext `json:"securityContext,omitempty" protobuf:"bytes,15,opt,name=securityContext"`

	// 交互式容器的变量，它们有非常特殊的用例（例如调试）
	Stdin bool `json:"stdin,omitempty" protobuf:"varint,16,opt,name=stdin"`

	// 容器运行时是否应该在 stdin 通道被打开后关闭它
	StdinOnce bool `json:"stdinOnce,omitempty" protobuf:"varint,17,opt,name=stdinOnce"`
	// Whether this container should allocate a TTY for itself, also requires 'stdin' to be true.
	// Default is false.
	// +optional
	TTY bool `json:"tty,omitempty" protobuf:"varint,18,opt,name=tty"`
}

// PodSpec is a description of a pod.
type PodSpec struct {
	
	// 逻辑卷
	Volumes []Volume `json:"volumes,omitempty" patchStrategy:"merge,retainKeys" patchMergeKey:"name" protobuf:"bytes,1,rep,name=volumes"`
	
	// 初始化 容器 列表
	InitContainers []Container `json:"initContainers,omitempty" patchStrategy:"merge" patchMergeKey:"name" protobuf:"bytes,20,rep,name=initContainers"`
	
	// 容器 列表
	Containers []Container `json:"containers" patchStrategy:"merge" patchMergeKey:"name" protobuf:"bytes,2,rep,name=containers"`
	
  // 临时容器列表
	EphemeralContainers []EphemeralContainer `json:"ephemeralContainers,omitempty" patchStrategy:"merge" patchMergeKey:"name" protobuf:"bytes,34,rep,name=ephemeralContainers"`
	
	// 所有 容器重启 策略
	RestartPolicy RestartPolicy `json:"restartPolicy,omitempty" protobuf:"bytes,3,opt,name=restartPolicy,casttype=RestartPolicy"`
	
	// pod 终止时间
	TerminationGracePeriodSeconds *int64 `json:"terminationGracePeriodSeconds,omitempty" protobuf:"varint,4,opt,name=terminationGracePeriodSeconds"`
	
	// 可持续时间
	ActiveDeadlineSeconds *int64 `json:"activeDeadlineSeconds,omitempty" protobuf:"varint,5,opt,name=activeDeadlineSeconds"`
	
	// pod DNS 策略
	DNSPolicy DNSPolicy `json:"dnsPolicy,omitempty" protobuf:"bytes,6,opt,name=dnsPolicy,casttype=DNSPolicy"`
	
	// 节点 选择器 根据标签选择
	NodeSelector map[string]string `json:"nodeSelector,omitempty" protobuf:"bytes,7,rep,name=nodeSelector"`

	// 服务账号名称
	ServiceAccountName string `json:"serviceAccountName,omitempty" protobuf:"bytes,8,opt,name=serviceAccountName"`
	
	// 服务账号名称别名(弃用)
	DeprecatedServiceAccount string `json:"serviceAccount,omitempty" protobuf:"bytes,9,opt,name=serviceAccount"`
	
	// 自动挂载账号令牌
	AutomountServiceAccountToken *bool `json:"automountServiceAccountToken,omitempty" protobuf:"varint,21,opt,name=automountServiceAccountToken"`

	// 绑定节点的名称
	NodeName string `json:"nodeName,omitempty" protobuf:"bytes,10,opt,name=nodeName"`
	
	// 主机网络命名空间
	HostNetwork bool `json:"hostNetwork,omitempty" protobuf:"varint,11,opt,name=hostNetwork"`
	
	// 是否使用主机 pid 的 namespace
	HostPID bool `json:"hostPID,omitempty" protobuf:"varint,12,opt,name=hostPID"`
	
	// 是否使用主机的 ipc namespace。
	HostIPC bool `json:"hostIPC,omitempty" protobuf:"varint,13,opt,name=hostIPC"`
	
	// 是否在 pod 中的所有容器之间共享一个进程命名空间。
	ShareProcessNamespace *bool `json:"shareProcessNamespace,omitempty" protobuf:"varint,27,opt,name=shareProcessNamespace"`
	
	// SecurityContext 保存 pod 级别的安全属性和公共容器设置。
	SecurityContext *PodSecurityContext `json:"securityContext,omitempty" protobuf:"bytes,14,opt,name=securityContext"`
	
	// ImagePullSecrets 是对同一命名空间中秘密的可选引用列表，用于拉取此 PodSpec 使用的任何图像。
	ImagePullSecrets []LocalObjectReference `json:"imagePullSecrets,omitempty" patchStrategy:"merge" patchMergeKey:"name" protobuf:"bytes,15,rep,name=imagePullSecrets"`
	
	// 指定 Pod 的主机名
	Hostname string `json:"hostname,omitempty" protobuf:"bytes,16,opt,name=hostname"`
	
	// 如果指定，完全限定的 Pod 主机名将是“<hostname>.<subdomain>.<pod namespace>.svc.<cluster domain>”。
	Subdomain string `json:"subdomain,omitempty" protobuf:"bytes,17,opt,name=subdomain"`
	
	// 亲和力限制
	Affinity *Affinity `json:"affinity,omitempty" protobuf:"bytes,18,opt,name=affinity"`
	
	// 绑定调度程序名称
	SchedulerName string `json:"schedulerName,omitempty" protobuf:"bytes,19,opt,name=schedulerName"`
	
	// pod 容忍度
	Tolerations []Toleration `json:"tolerations,omitempty" protobuf:"bytes,22,opt,name=tolerations"`
	
	// HostAliases 是一个可选的主机和 IP 列表
	HostAliases []HostAlias `json:"hostAliases,omitempty" patchStrategy:"merge" patchMergeKey:"ip" protobuf:"bytes,23,rep,name=hostAliases"`
	
	// pod 优先级
	PriorityClassName string `json:"priorityClassName,omitempty" protobuf:"bytes,24,opt,name=priorityClassName"`
	
	// 优先级值
	Priority *int32 `json:"priority,omitempty" protobuf:"bytes,25,opt,name=priority"`
	
	// 指定 pod 的 DNS 参数。
	DNSConfig *PodDNSConfig `json:"dnsConfig,omitempty" protobuf:"bytes,26,opt,name=dnsConfig"`
	
	// 对所有 pod 进行 就绪校验
	ReadinessGates []PodReadinessGate `json:"readinessGates,omitempty" protobuf:"bytes,28,opt,name=readinessGates"`
	// RuntimeClassName refers to a RuntimeClass object in the node.k8s.io group, which should be used
	// to run this pod.  If no RuntimeClass resource matches the named class, the pod will not be run.
	// If unset or empty, the "legacy" RuntimeClass will be used, which is an implicit class with an
	// empty definition that uses the default runtime handler.
	// More info: https://git.k8s.io/enhancements/keps/sig-node/585-runtime-class
	// This is a beta feature as of Kubernetes v1.14.
	// +optional
	RuntimeClassName *string `json:"runtimeClassName,omitempty" protobuf:"bytes,29,opt,name=runtimeClassName"`
	
	// EnableServiceLinks 指示有关服务的信息是否应注入 pod 的
	EnableServiceLinks *bool `json:"enableServiceLinks,omitempty" protobuf:"varint,30,opt,name=enableServiceLinks"`
	
	// 抢占低优先级 Pod 的策略。
	PreemptionPolicy *PreemptionPolicy `json:"preemptionPolicy,omitempty" protobuf:"bytes,31,opt,name=preemptionPolicy"`
	// Overhead represents the resource overhead associated with running a pod for a given RuntimeClass.
	// This field will be autopopulated at admission time by the RuntimeClass admission controller. If
	// the RuntimeClass admission controller is enabled, overhead must not be set in Pod create requests.
	// The RuntimeClass admission controller will reject Pod create requests which have the overhead already
	// set. If RuntimeClass is configured and selected in the PodSpec, Overhead will be set to the value
	// defined in the corresponding RuntimeClass, otherwise it will remain unset and treated as zero.
	// More info: https://git.k8s.io/enhancements/keps/sig-node/688-pod-overhead/README.md
	// This field is beta-level as of Kubernetes v1.18, and is only honored by servers that enable the PodOverhead feature.
	// +optional
	Overhead ResourceList `json:"overhead,omitempty" protobuf:"bytes,32,opt,name=overhead"`
	// TopologySpreadConstraints describes how a group of pods ought to spread across topology
	// domains. Scheduler will schedule pods in a way which abides by the constraints.
	// All topologySpreadConstraints are ANDed.
	// +optional
	// +patchMergeKey=topologyKey
	// +patchStrategy=merge
	// +listType=map
	// +listMapKey=topologyKey
	// +listMapKey=whenUnsatisfiable
	TopologySpreadConstraints []TopologySpreadConstraint `json:"topologySpreadConstraints,omitempty" patchStrategy:"merge" patchMergeKey:"topologyKey" protobuf:"bytes,33,opt,name=topologySpreadConstraints"`
	// If true the pod's hostname will be configured as the pod's FQDN, rather than the leaf name (the default).
	// In Linux containers, this means setting the FQDN in the hostname field of the kernel (the nodename field of struct utsname).
	// In Windows containers, this means setting the registry value of hostname for the registry key HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters to FQDN.
	// If a pod does not have FQDN, this has no effect.
	// Default to false.
	// +optional
	SetHostnameAsFQDN *bool `json:"setHostnameAsFQDN,omitempty" protobuf:"varint,35,opt,name=setHostnameAsFQDN"`
	// Specifies the OS of the containers in the pod.
	
	OS *PodOS `json:"os,omitempty" protobuf:"bytes,36,opt,name=os"`
}