sandbox

package
v1.0.0 Latest Latest
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 Go to latest Published: Oct 13, 2017 License: Apache-2.0 Imports: 15 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// DefaultShmSize is the default shm size
	DefaultShmSize = 64 * 1024 * 1024
	// NsRunDir is the default directory in which running network namespaces
	// are stored
	NsRunDir = "/var/run/netns"
	// PodInfraCommand is the default command when starting a pod infrastructure
	// container
	PodInfraCommand = "/pause"
)

Variables

View Source 
var (
	// ErrIDEmpty is the erro returned when the id of the sandbox is empty
	ErrIDEmpty = errors.New("PodSandboxId should not be empty")
	// ErrClosedNetNS is the error returned when the network namespace of the
	// sandbox is closed
	ErrClosedNetNS = errors.New("PodSandbox networking namespace is closed")
)

Functions

func HostNetNsPath 

func HostNetNsPath() (string, error)

HostNetNsPath returns the current network namespace for the host

Types

type NetNs 

type NetNs struct {
	sync.Mutex
	// contains filtered or unexported fields
}

NetNs handles data pertaining a network namespace

func NetNsGet 

func NetNsGet(nspath, name string) (*NetNs, error)

NetNsGet returns the NetNs associated with the given nspath and name

type Sandbox 

type Sandbox struct {
	// contains filtered or unexported fields
}

Sandbox contains data surrounding kubernetes sandboxes on the server

func New 

func New(id, namespace, name, kubeName, logDir string, labels, annotations map[string]string, processLabel, mountLabel string, metadata *pb.PodSandboxMetadata, shmPath, cgroupParent string, privileged, trusted bool, resolvPath, hostname string, portMappings []*hostport.PortMapping) (*Sandbox, error)

New creates and populates a new pod sandbox New sandboxes have no containers, no infra container, and no network namespaces associated with them An infra container must be attached before the sandbox is added to the state

func (*Sandbox) AddContainer 

func (s *Sandbox) AddContainer(c *oci.Container)

AddContainer adds a container to the sandbox

func (*Sandbox) AddHostnamePath 

func (s *Sandbox) AddHostnamePath(hostname string)

AddHostnamePath adds the hostname path to the sandbox

func (*Sandbox) AddIP 

func (s *Sandbox) AddIP(ip string)

AddIP stores the ip in the sandbox

func (*Sandbox) Annotations 

func (s *Sandbox) Annotations() map[string]string

Annotations returns a list of annotations for the sandbox

func (*Sandbox) CgroupParent 

func (s *Sandbox) CgroupParent() string

CgroupParent returns the cgroup parent of the sandbox

func (*Sandbox) Containers 

func (s *Sandbox) Containers() oci.ContainerStorer

Containers returns the ContainerStorer that contains information on all of the containers in the sandbox

func (*Sandbox) GetContainer 

func (s *Sandbox) GetContainer(name string) *oci.Container

GetContainer retrieves a container from the sandbox

func (*Sandbox) Hostname 

func (s *Sandbox) Hostname() string

Hostname returns the hsotname of the sandbox

func (*Sandbox) HostnamePath 

func (s *Sandbox) HostnamePath() string

HostnamePath retrieves the hostname path from a sandbox

func (*Sandbox) ID 

func (s *Sandbox) ID() string

ID returns the id of the sandbox

func (*Sandbox) IP 

func (s *Sandbox) IP() string

IP returns the ip of the sandbox

func (*Sandbox) InfraContainer 

func (s *Sandbox) InfraContainer() *oci.Container

InfraContainer returns the infrastructure container for the sandbox

func (*Sandbox) KubeName 

func (s *Sandbox) KubeName() string

KubeName returns the kubernetes name for the sandbox

func (*Sandbox) Labels 

func (s *Sandbox) Labels() fields.Set

Labels returns the labels associated with the sandbox

func (*Sandbox) LogDir 

func (s *Sandbox) LogDir() string

LogDir returns the location of the logging directory for the sandbox

func (*Sandbox) Metadata 

func (s *Sandbox) Metadata() *pb.PodSandboxMetadata

Metadata returns a set of metadata about the sandbox

func (*Sandbox) MountLabel 

func (s *Sandbox) MountLabel() string

MountLabel returns the mount label for the sandbox

func (*Sandbox) Name 

func (s *Sandbox) Name() string

Name returns the name of the sandbox

func (*Sandbox) Namespace 

func (s *Sandbox) Namespace() string

Namespace returns the namespace for the sandbox

func (*Sandbox) NetNs 

func (s *Sandbox) NetNs() ns.NetNS

NetNs retrieves the network namespace of the sandbox If the sandbox uses the host namespace, nil is returned

func (*Sandbox) NetNsCreate 

func (s *Sandbox) NetNsCreate() error

NetNsCreate creates a new network namespace for the sandbox

func (*Sandbox) NetNsJoin 

func (s *Sandbox) NetNsJoin(nspath, name string) error

NetNsJoin attempts to join the sandbox to an existing network namespace This will fail if the sandbox is already part of a network namespace

func (*Sandbox) NetNsPath 

func (s *Sandbox) NetNsPath() string

NetNsPath returns the path to the network namespace of the sandbox. If the sandbox uses the host namespace, nil is returned

func (*Sandbox) NetNsRemove 

func (s *Sandbox) NetNsRemove() error

NetNsRemove removes the network namespace associated with the sandbox

func (*Sandbox) PortMappings 

func (s *Sandbox) PortMappings() []*hostport.PortMapping

PortMappings returns a list of port mappings between the host and the sandbox

func (*Sandbox) Privileged 

func (s *Sandbox) Privileged() bool

Privileged returns whether or not the containers in the sandbox are privileged containers

func (*Sandbox) ProcessLabel 

func (s *Sandbox) ProcessLabel() string

ProcessLabel returns the process label for the sandbox

func (*Sandbox) RemoveContainer 

func (s *Sandbox) RemoveContainer(c *oci.Container)

RemoveContainer deletes a container from the sandbox

func (*Sandbox) RemoveInfraContainer 

func (s *Sandbox) RemoveInfraContainer()

RemoveInfraContainer removes the infrastructure container of a sandbox

func (*Sandbox) ResolvPath 

func (s *Sandbox) ResolvPath() string

ResolvPath returns the resolv path for the sandbox

func (*Sandbox) SetInfraContainer 

func (s *Sandbox) SetInfraContainer(infraCtr *oci.Container) error

SetInfraContainer sets the infrastructure container of a sandbox Attempts to set the infrastructure container after one is already present will throw an error

func (*Sandbox) SetStopped 

func (s *Sandbox) SetStopped()

SetStopped sets the sandbox state to stopped. This should be set after a stop operation succeeds so that subsequent stops can return fast.

func (*Sandbox) ShmPath 

func (s *Sandbox) ShmPath() string

ShmPath returns the shm path of the sandbox

func (*Sandbox) Stopped 

func (s *Sandbox) Stopped() bool

Stopped returns whether the sandbox state has been set to stopped.

func (*Sandbox) Trusted 

func (s *Sandbox) Trusted() bool

Trusted returns whether or not the containers in the sandbox are trusted

Source Files

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