crclient

Documentation

Index

• Constants
• func ExecCommandContainerNSEnter(command string, aContainer *provider.Container) (outStr, errStr string, err error)
• func GetContainerPidNamespace(testContainer *provider.Container, env *provider.TestEnvironment) (string, error)
• func GetNodeProbePodContext(node string, env *provider.TestEnvironment) (clientsholder.Context, error)
• func GetPidFromContainer(cut *provider.Container, ctx clientsholder.Context) (int, error)
• type Process
  • func GetContainerProcesses(container *provider.Container, env *provider.TestEnvironment) ([]*Process, error)
  • func GetPidsFromPidNamespace(pidNamespace string, container *provider.Container) (p []*Process, err error)
  • func (p *Process) String() string

Constants

const (
	DevNull          = " 2>/dev/null"
	DockerInspectPID = "chroot /host docker inspect -f '{{.State.Pid}}' "
)

const PsRegex = `(?m)^(\d+?)\s+?(\d+?)\s+?(\d+?)\s+?(.*?)$`

Functions

func ExecCommandContainerNSEnter

func ExecCommandContainerNSEnter(command string,
	aContainer *provider.Container) (outStr, errStr string, err error)

ExecCommandContainerNSEnter executes a command in the specified container namespace using nsenter

func GetContainerPidNamespace

func GetContainerPidNamespace(testContainer *provider.Container, env *provider.TestEnvironment) (string, error)

To get the pid namespace of the container

func GetNodeProbePodContext

func GetNodeProbePodContext(node string, env *provider.TestEnvironment) (clientsholder.Context, error)

Helper function to create the clientsholder.Context of the first container of the probe pod that runs in the give node. This context is usually needed to run shell commands that get information from a node where a pod/container under test is running.

func GetPidFromContainer

func GetPidFromContainer(cut *provider.Container, ctx clientsholder.Context) (int, error)

Types

type Process

type Process struct {
	PidNs, Pid, PPid int
	Args             string
}

func GetContainerProcesses

func GetContainerProcesses(container *provider.Container, env *provider.TestEnvironment) ([]*Process, error)

func GetPidsFromPidNamespace

func GetPidsFromPidNamespace(pidNamespace string, container *provider.Container) (p []*Process, err error)

func (*Process) String

func (p *Process) String() string