Struct CheckpointMetadata 

pub struct CheckpointMetadata {
    pub container_id: String,
    pub container_name: String,
    pub original_pid: u32,
    pub command: Vec<String>,
    pub checkpoint_at: u64,
    pub version: String,
    pub using_gvisor: bool,
    pub rootless: bool,
    pub cgroup_path: Option<String>,
    pub resource_limits: Option<CheckpointResourceLimits>,
}

Metadata stored alongside checkpoint images

Fields

container_id: String

Container ID

container_name: String

Container name

original_pid: u32

Original PID

command: Vec<String>

Command that was running

checkpoint_at: u64

Timestamp of checkpoint

version: String

Nucleus version

using_gvisor: bool

Whether container was using gVisor

rootless: bool

Whether container was rootless

cgroup_path: Option<String>

Original cgroup path, if the container was tracked in a cgroup.

resource_limits: Option<CheckpointResourceLimits>

Resource limits captured from the original cgroup.

Implementations

impl CheckpointMetadata

pub fn from_state(state: &ContainerState) -> Result<Self>

Create metadata from current container state

pub fn save(&self, dir: &Path) -> Result<()>

Save metadata to checkpoint directory

pub fn load(dir: &Path) -> Result<Self>

Load metadata from checkpoint directory

Trait Implementations

impl Clone for CheckpointMetadata

fn clone(&self) -> CheckpointMetadata

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for CheckpointMetadata

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CheckpointMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for CheckpointMetadata

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.