Documentation
¶
Overview ¶
Kubelet interactions with cAdvisor.
Index ¶
Constants ¶
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const (
// Please keep this in sync with the one in:
// github.com/google/cadvisor/container/crio/client.go
CrioSocket = "/var/run/crio/crio.sock"
)
Variables ¶
This section is empty.
Functions ¶
func CapacityFromMachineInfo ¶ added in v1.2.0
func CapacityFromMachineInfo(info *cadvisorapi.MachineInfo) v1.ResourceList
func EphemeralStorageCapacityFromFsInfo ¶ added in v1.8.0
func EphemeralStorageCapacityFromFsInfo(info cadvisorapi2.FsInfo) v1.ResourceList
func UsingLegacyCadvisorStats ¶ added in v1.9.0
func UsingLegacyCadvisorStats(runtime, runtimeEndpoint string) bool
CRI integrations should get container metrics via CRI. Docker uses the built-in cadvisor to gather such metrics on Linux for historical reasons. cri-o relies on cadvisor as a temporary workaround. The code should be removed. Related issue: https://github.com/kubernetes/kubernetes/issues/51798 UsingLegacyCadvisorStats returns true if container stats are provided by cadvisor instead of through the CRI
Types ¶
type ImageFsInfoProvider ¶ added in v1.8.0
type ImageFsInfoProvider interface {
// ImageFsInfoLabel returns the label cAdvisor should use to find the filesystem holding container images.
ImageFsInfoLabel() (string, error)
}
ImageFsInfoProvider informs cAdvisor how to find imagefs for container images.
func NewImageFsInfoProvider ¶ added in v1.8.0
func NewImageFsInfoProvider(runtime, runtimeEndpoint string) ImageFsInfoProvider
NewImageFsInfoProvider returns a provider for the specified runtime configuration.
type Interface ¶
type Interface interface {
Start() error
DockerContainer(name string, req *cadvisorapi.ContainerInfoRequest) (cadvisorapi.ContainerInfo, error)
ContainerInfo(name string, req *cadvisorapi.ContainerInfoRequest) (*cadvisorapi.ContainerInfo, error)
ContainerInfoV2(name string, options cadvisorapiv2.RequestOptions) (map[string]cadvisorapiv2.ContainerInfo, error)
SubcontainerInfo(name string, req *cadvisorapi.ContainerInfoRequest) (map[string]*cadvisorapi.ContainerInfo, error)
MachineInfo() (*cadvisorapi.MachineInfo, error)
VersionInfo() (*cadvisorapi.VersionInfo, error)
// Returns usage information about the filesystem holding container images.
ImagesFsInfo() (cadvisorapiv2.FsInfo, error)
// Returns usage information about the root filesystem.
RootFsInfo() (cadvisorapiv2.FsInfo, error)
// Get events streamed through passedChannel that fit the request.
WatchEvents(request *events.Request) (*events.EventChannel, error)
// Get filesystem information for the filesystem that contains the given file.
GetDirFsInfo(path string) (cadvisorapiv2.FsInfo, error)
}
Interface is an abstract interface for testability. It abstracts the interface to cAdvisor.
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