90 lines
2.4 KiB
Go
90 lines
2.4 KiB
Go
package runtime
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import (
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"os"
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"time"
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"github.com/opencontainers/specs"
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)
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type Process interface {
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Pid() (int, error)
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Spec() specs.Process
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Signal(os.Signal) error
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}
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type Status string
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const (
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Paused Status = "paused"
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Running Status = "running"
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)
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type State struct {
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Status Status
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}
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type Stdio struct {
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Stderr string
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Stdout string
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}
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type Stat struct {
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// Timestamp is the time that the statistics where collected
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Timestamp time.Time
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// Data is the raw stats
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// TODO: it is currently an interface because we don't know what type of exec drivers
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// we will have or what the structure should look like at the moment os the containers
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// can return what they want and we could marshal to json or whatever.
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Data interface{}
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}
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type Checkpoint struct {
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// Timestamp is the time that checkpoint happened
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Timestamp time.Time
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// Name is the name of the checkpoint
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Name string
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// Tcp checkpoints open tcp connections
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Tcp bool
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// UnixSockets persists unix sockets in the checkpoint
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UnixSockets bool
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// Shell persists tty sessions in the checkpoint
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Shell bool
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// Exit exits the container after the checkpoint is finished
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Exit bool
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}
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type Container interface {
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// ID returns the container ID
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ID() string
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// Start starts the init process of the container
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Start() error
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// Path returns the path to the bundle
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Path() string
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// Pid returns the container's init process id
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Pid() (int, error)
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// SetExited sets the exit status of the container after it's init dies
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SetExited(status int)
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// Delete deletes the container
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Delete() error
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// Processes returns all the containers processes that have been added
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Processes() ([]Process, error)
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// RemoveProcess removes a specific process for the container because it exited
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RemoveProcess(pid int) error
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// State returns the containers runtime state
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State() State
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// Resume resumes a paused container
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Resume() error
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// Pause pauses a running container
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Pause() error
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// Checkpoints returns all the checkpoints for a container
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Checkpoints() ([]Checkpoint, error)
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// Checkpoint creates a new checkpoint
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Checkpoint(Checkpoint) error
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// DeleteCheckpoint deletes the checkpoint for the provided name
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DeleteCheckpoint(name string) error
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// Restore restores the container to that of the checkpoint provided by name
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Restore(name string) error
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// Stats returns realtime container stats and resource information
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Stats() (*Stat, error)
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}
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