server

package
v1.9.8 Latest Latest
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 Go to latest Published: Mar 1, 2018 License: Apache-2.0 Imports: 72 Imported by: 0

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Constants

View Source 
const (
	AttachPipeStdin  = 1
	AttachPipeStdout = 2
	AttachPipeStderr = 3
)

Sync with stdpipe_t in conmon.c

View Source 
const (
	// PodInfraOOMAdj is the value that we set for oom score adj for
	// the pod infra container.
	// TODO: Remove this const once this value is provided over CRI
	// See https://github.com/kubernetes/kubernetes/issues/47938
	PodInfraOOMAdj int = -998
	// PodInfraCPUshares is default cpu shares for sandbox container.
	PodInfraCPUshares = 2
)
View Source 
const (
	// SysctlsPodAnnotationKey represents the key of sysctls which are set for the infrastructure
	// container of a pod. The annotation value is a comma separated list of sysctl_name=value
	// key-value pairs. Only a limited set of whitelisted and isolated sysctls is supported by
	// the kubelet. Pods with other sysctls will fail to launch.
	SysctlsPodAnnotationKey string = "security.alpha.kubernetes.io/sysctls"

	// UnsafeSysctlsPodAnnotationKey represents the key of sysctls which are set for the infrastructure
	// container of a pod. The annotation value is a comma separated list of sysctl_name=value
	// key-value pairs. Unsafe sysctls must be explicitly enabled for a kubelet. They are properly
	// namespaced to a pod or a container, but their isolation is usually unclear or weak. Their use
	// is at-your-own-risk. Pods that attempt to set an unsafe sysctl that is not enabled for a kubelet
	// will fail to launch.
	UnsafeSysctlsPodAnnotationKey string = "security.alpha.kubernetes.io/unsafe-sysctls"
)
View Source 
const CrioConfigPath = "/etc/crio/crio.conf"

CrioConfigPath is the default location for the conf file

Variables

This section is empty.

Functions

func SysctlsFromPodAnnotations 

func SysctlsFromPodAnnotations(a map[string]string) ([]Sysctl, []Sysctl, error)

SysctlsFromPodAnnotations parses the sysctl annotations into a slice of safe Sysctls and a slice of unsafe Sysctls. This is only a convenience wrapper around SysctlsFromPodAnnotation.

Types

type APIConfig 

type APIConfig struct {
	// Listen is the path to the AF_LOCAL socket on which cri-o will listen.
	// This may support proto://addr formats later, but currently this is just
	// a path.
	Listen string `toml:"listen"`

	// StreamAddress is the IP address on which the stream server will listen.
	StreamAddress string `toml:"stream_address"`

	// StreamPort is the port on which the stream server will listen.
	StreamPort string `toml:"stream_port"`
}

APIConfig represents the "crio.api" TOML config table.

type Config 

type Config struct {
	lib.Config
	APIConfig
}

Config represents the entire set of configuration values that can be set for the server. This is intended to be loaded from a toml-encoded config file.

func DefaultConfig added in v1.0.0 

func DefaultConfig() *Config

DefaultConfig returns the default configuration for crio.

func (*Config) ToFile 

func (c *Config) ToFile(path string) error

ToFile outputs the given Config as a TOML-encoded file at the given path. Returns errors encountered when generating or writing the file, or nil otherwise.

func (*Config) UpdateFromFile added in v1.0.0 

func (c *Config) UpdateFromFile(path string) error

UpdateFromFile populates the Config from the TOML-encoded file at the given path. Returns errors encountered when reading or parsing the files, or nil otherwise.

type SecretData added in v1.0.0 

type SecretData struct {
	Name string
	Data []byte
}

SecretData info

func (SecretData) SaveTo added in v1.0.0 

func (s SecretData) SaveTo(dir string) error

SaveTo saves secret data to given directory

type Server 

type Server struct {
	*lib.ContainerServer
	// contains filtered or unexported fields
}

Server implements the RuntimeService and ImageService

func New 

func New(config *Config) (*Server, error)

New creates a new Server with options provided

func (*Server) Attach 

func (s *Server) Attach(ctx context.Context, req *pb.AttachRequest) (resp *pb.AttachResponse, err error)

Attach prepares a streaming endpoint to attach to a running container.

func (*Server) BindAddress added in v1.0.0 

func (s *Server) BindAddress() string

BindAddress is used to retrieve host's IP

func (*Server) ContainerStats added in v1.0.0 

func (s *Server) ContainerStats(ctx context.Context, req *pb.ContainerStatsRequest) (resp *pb.ContainerStatsResponse, err error)

ContainerStats returns stats of the container. If the container does not exist, the call returns an error.

func (*Server) ContainerStatus 

func (s *Server) ContainerStatus(ctx context.Context, req *pb.ContainerStatusRequest) (resp *pb.ContainerStatusResponse, err error)

ContainerStatus returns status of the container.

func (*Server) CreateContainer 

func (s *Server) CreateContainer(ctx context.Context, req *pb.CreateContainerRequest) (res *pb.CreateContainerResponse, err error)

CreateContainer creates a new container in specified PodSandbox

func (*Server) CreateMetricsEndpoint added in v1.0.0 

func (s *Server) CreateMetricsEndpoint() (*http.ServeMux, error)

CreateMetricsEndpoint creates a /metrics endpoint for prometheus monitoring

func (*Server) Exec 

func (s *Server) Exec(ctx context.Context, req *pb.ExecRequest) (resp *pb.ExecResponse, err error)

Exec prepares a streaming endpoint to execute a command in the container.

func (*Server) ExecSync 

func (s *Server) ExecSync(ctx context.Context, req *pb.ExecSyncRequest) (resp *pb.ExecSyncResponse, err error)

ExecSync runs a command in a container synchronously.

func (*Server) ExitMonitorCloseChan added in v1.0.0 

func (s *Server) ExitMonitorCloseChan() chan struct{}

ExitMonitorCloseChan returns the close chan for the exit monitor

func (*Server) GetAttach added in v1.0.0 

func (s *Server) GetAttach(req *pb.AttachRequest) (*pb.AttachResponse, error)

GetAttach returns attach stream request

func (*Server) GetContainer added in v1.0.0 

func (s *Server) GetContainer(id string) *oci.Container

GetContainer returns a container by its ID

func (*Server) GetExec added in v1.0.0 

func (s *Server) GetExec(req *pb.ExecRequest) (*pb.ExecResponse, error)

GetExec returns exec stream request

func (*Server) GetInfoMux added in v1.0.0 

func (s *Server) GetInfoMux() *bone.Mux

GetInfoMux returns the mux used to serve info requests

func (*Server) GetPortForward added in v1.0.0 

func (s *Server) GetPortForward(req *pb.PortForwardRequest) (*pb.PortForwardResponse, error)

GetPortForward returns port forward stream request

func (*Server) GetSandboxContainer added in v1.0.0 

func (s *Server) GetSandboxContainer(id string) *oci.Container

GetSandboxContainer returns the infra container for a given sandbox

func (*Server) GetSandboxIP added in v1.9.8 

func (s *Server) GetSandboxIP(sb *sandbox.Sandbox) (string, error)

GetSandboxIP retrieves the IP address for the sandbox

func (*Server) ImageFsInfo added in v1.0.0 

func (s *Server) ImageFsInfo(ctx context.Context, req *pb.ImageFsInfoRequest) (resp *pb.ImageFsInfoResponse, err error)

ImageFsInfo returns information of the filesystem that is used to store images.

func (*Server) ImageStatus 

func (s *Server) ImageStatus(ctx context.Context, req *pb.ImageStatusRequest) (resp *pb.ImageStatusResponse, err error)

ImageStatus returns the status of the image.

func (*Server) ListContainerStats added in v1.0.0 

func (s *Server) ListContainerStats(ctx context.Context, req *pb.ListContainerStatsRequest) (resp *pb.ListContainerStatsResponse, err error)

ListContainerStats returns stats of all running containers.

func (*Server) ListContainers 

func (s *Server) ListContainers(ctx context.Context, req *pb.ListContainersRequest) (resp *pb.ListContainersResponse, err error)

ListContainers lists all containers by filters.

func (*Server) ListImages 

func (s *Server) ListImages(ctx context.Context, req *pb.ListImagesRequest) (resp *pb.ListImagesResponse, err error)

ListImages lists existing images.

func (*Server) ListPodSandbox 

func (s *Server) ListPodSandbox(ctx context.Context, req *pb.ListPodSandboxRequest) (resp *pb.ListPodSandboxResponse, err error)

ListPodSandbox returns a list of SandBoxes.

func (*Server) PodSandboxStatus 

func (s *Server) PodSandboxStatus(ctx context.Context, req *pb.PodSandboxStatusRequest) (resp *pb.PodSandboxStatusResponse, err error)

PodSandboxStatus returns the Status of the PodSandbox.

func (*Server) PortForward 

func (s *Server) PortForward(ctx context.Context, req *pb.PortForwardRequest) (resp *pb.PortForwardResponse, err error)

PortForward prepares a streaming endpoint to forward ports from a PodSandbox.

func (*Server) PullImage 

func (s *Server) PullImage(ctx context.Context, req *pb.PullImageRequest) (resp *pb.PullImageResponse, err error)

PullImage pulls a image with authentication config.

func (*Server) RemoveContainer 

func (s *Server) RemoveContainer(ctx context.Context, req *pb.RemoveContainerRequest) (resp *pb.RemoveContainerResponse, err error)

RemoveContainer removes the container. If the container is running, the container should be force removed.

func (*Server) RemoveImage 

func (s *Server) RemoveImage(ctx context.Context, req *pb.RemoveImageRequest) (resp *pb.RemoveImageResponse, err error)

RemoveImage removes the image.

func (*Server) RemovePodSandbox 

func (s *Server) RemovePodSandbox(ctx context.Context, req *pb.RemovePodSandboxRequest) (resp *pb.RemovePodSandboxResponse, err error)

RemovePodSandbox deletes the sandbox. If there are any running containers in the sandbox, they should be force deleted.

func (*Server) RunPodSandbox 

func (s *Server) RunPodSandbox(ctx context.Context, req *pb.RunPodSandboxRequest) (resp *pb.RunPodSandboxResponse, err error)

RunPodSandbox creates and runs a pod-level sandbox.

func (*Server) Shutdown added in v1.0.0 

func (s *Server) Shutdown() error

Shutdown attempts to shut down the server's storage cleanly

func (*Server) StartContainer 

func (s *Server) StartContainer(ctx context.Context, req *pb.StartContainerRequest) (resp *pb.StartContainerResponse, err error)

StartContainer starts the container.

func (*Server) StartExitMonitor added in v1.0.0 

func (s *Server) StartExitMonitor()

StartExitMonitor start a routine that monitors container exits and updates the container status

func (*Server) Status 

func (s *Server) Status(ctx context.Context, req *pb.StatusRequest) (resp *pb.StatusResponse, err error)

Status returns the status of the runtime

func (*Server) StopAllPodSandboxes added in v1.0.0 

func (s *Server) StopAllPodSandboxes()

StopAllPodSandboxes removes all pod sandboxes

func (*Server) StopContainer 

func (s *Server) StopContainer(ctx context.Context, req *pb.StopContainerRequest) (resp *pb.StopContainerResponse, err error)

StopContainer stops a running container with a grace period (i.e., timeout).

func (*Server) StopExitMonitor added in v1.0.0 

func (s *Server) StopExitMonitor()

StopExitMonitor stops the exit monitor

func (*Server) StopPodSandbox 

func (s *Server) StopPodSandbox(ctx context.Context, req *pb.StopPodSandboxRequest) (resp *pb.StopPodSandboxResponse, err error)

StopPodSandbox stops the sandbox. If there are any running containers in the sandbox, they should be force terminated.

func (*Server) StopStreamServer added in v1.0.0 

func (s *Server) StopStreamServer() error

StopStreamServer stops the stream server

func (*Server) StreamingServerCloseChan added in v1.0.0 

func (s *Server) StreamingServerCloseChan() chan struct{}

StreamingServerCloseChan returns the close channel for the streaming server

func (*Server) Update added in v1.0.0 

func (s *Server) Update()

Update makes changes to the server's state (lists of pods and containers) to reflect the list of pods and containers that are stored on disk, possibly having been modified by other parties

func (*Server) UpdateContainerResources added in v1.8.0 

func (s *Server) UpdateContainerResources(ctx context.Context, req *pb.UpdateContainerResourcesRequest) (resp *pb.UpdateContainerResourcesResponse, err error)

UpdateContainerResources updates ContainerConfig of the container.

func (*Server) UpdateRuntimeConfig 

func (s *Server) UpdateRuntimeConfig(ctx context.Context, req *pb.UpdateRuntimeConfigRequest) (resp *pb.UpdateRuntimeConfigResponse, err error)

UpdateRuntimeConfig updates the configuration of a running container.

func (*Server) Version 

func (s *Server) Version(ctx context.Context, req *pb.VersionRequest) (resp *pb.VersionResponse, err error)

Version returns the runtime name, runtime version and runtime API version

type Sysctl 

type Sysctl struct {
	// Name of a property to set
	Name string `json:"name"`
	// Value of a property to set
	Value string `json:"value"`
}

Sysctl defines a kernel parameter to be set

func SysctlsFromPodAnnotation 

func SysctlsFromPodAnnotation(annotation string) ([]Sysctl, error)

SysctlsFromPodAnnotation parses an annotation value into a slice of Sysctls.

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