runsc

package
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Published: Dec 29, 2021 License: Apache-2.0, MIT Imports: 17 Imported by: 0

Documentation

Overview

Package runsc provides an API to interact with runsc command line.

Index

Constants

View Source
const DefaultCommand = "runsc"

DefaultCommand is the default command for Runsc.

Variables

Monitor is the default process monitor to be used by runsc.

Functions

func FormatRunscLogPath

func FormatRunscLogPath(id string, config map[string]string)

FormatRunscLogPath parses runsc config, and fill in %ID% in the log path.

func FormatShimLogPath

func FormatShimLogPath(path string, id string) string

FormatShimLogPath creates the file path to the log file. It replaces %ID% in the path with the provided "id". It also uses a default log name if the path end with '/'.

Types

type CreateOpts

type CreateOpts struct {
	runc.IO
	ConsoleSocket runc.ConsoleSocket

	// PidFile is a path to where a pid file should be created.
	PidFile string

	// UserLog is a path to where runsc user log should be generated.
	UserLog string
}

CreateOpts is a set of options to Runsc.Create().

type DeleteOpts

type DeleteOpts struct {
	Force bool
}

DeleteOpts is a set of options to runsc.Delete().

type ExecOpts

type ExecOpts struct {
	runc.IO
	PidFile         string
	InternalPidFile string
	ConsoleSocket   runc.ConsoleSocket
	Detach          bool
}

ExecOpts is a set of options to runsc.Exec().

type KillOpts

type KillOpts struct {
	All bool
	Pid int
}

KillOpts specifies options for killing a container and its processes.

type LogMonitor

type LogMonitor struct {
	Next runc.ProcessMonitor
}

LogMonitor implements the runc.ProcessMonitor interface, logging the command that is getting executed, and then forwarding the call to another implementation.

func (*LogMonitor) Start

func (l *LogMonitor) Start(cmd *exec.Cmd) (chan runc.Exit, error)

Start implements runc.ProcessMonitor.

func (*LogMonitor) Wait

func (l *LogMonitor) Wait(cmd *exec.Cmd, ch chan runc.Exit) (int, error)

Wait implements runc.ProcessMonitor.

type Runsc

type Runsc struct {
	Command      string
	PdeathSignal unix.Signal
	Setpgid      bool
	Root         string
	Log          string
	LogFormat    runc.Format
	Config       map[string]string
}

Runsc is the client to the runsc cli.

func (*Runsc) Create

func (r *Runsc) Create(context context.Context, id, bundle string, opts *CreateOpts) error

Create creates a new container and returns its pid if it was created successfully.

func (*Runsc) Delete

func (r *Runsc) Delete(context context.Context, id string, opts *DeleteOpts) error

Delete deletes the container.

func (*Runsc) Events

func (r *Runsc) Events(context context.Context, id string, interval time.Duration) (chan *runc.Event, error)

Events returns an event stream from runsc for a container with stats and OOM notifications.

func (*Runsc) Exec

func (r *Runsc) Exec(context context.Context, id string, spec specs.Process, opts *ExecOpts) error

Exec executes an additional process inside the container based on a full OCI Process specification.

func (*Runsc) Kill

func (r *Runsc) Kill(context context.Context, id string, sig int, opts *KillOpts) error

Kill sends the specified signal to the container.

func (*Runsc) List

func (r *Runsc) List(context context.Context) ([]*runc.Container, error)

List returns all containers created inside the provided runsc root directory.

func (*Runsc) Pause

func (r *Runsc) Pause(context context.Context, id string) error

func (*Runsc) Ps

func (r *Runsc) Ps(context context.Context, id string) ([]int, error)

Ps lists all the processes inside the container returning their pids.

func (*Runsc) Resume

func (r *Runsc) Resume(context context.Context, id string) error

func (*Runsc) Run

func (r *Runsc) Run(context context.Context, id, bundle string, opts *CreateOpts) (int, error)

Run runs the create, start, delete lifecycle of the container and returns its exit status after it has exited.

func (*Runsc) Start

func (r *Runsc) Start(context context.Context, id string, cio runc.IO) error

Start will start an already created container.

func (*Runsc) State

func (r *Runsc) State(context context.Context, id string) (*runc.Container, error)

State returns the state for the container provided by id.

func (*Runsc) Stats

func (r *Runsc) Stats(context context.Context, id string) (*runc.Stats, error)

Stats return the stats for a container like cpu, memory, and I/O.

func (*Runsc) Top

func (r *Runsc) Top(context context.Context, id string) (*runc.TopResults, error)

Top lists all the processes inside the container returning the full ps data.

func (*Runsc) Wait

func (r *Runsc) Wait(context context.Context, id string) (int, error)

Wait will wait for a running container, and return its exit status.

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