daemon

package
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 Go to latest Published: Dec 7, 2022 License: Apache-2.0 Imports: 190 Imported by: 0

Documentation

Overview

Package daemon exposes the functions that occur on the host server that the Docker daemon is running.

In implementing the various functions of the daemon, there is often a method-specific struct for configuring the runtime behavior.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CreateDaemonRoot 

func CreateDaemonRoot(config *config.Config) error

CreateDaemonRoot creates the root for the daemon

func DefaultApparmorProfile 

func DefaultApparmorProfile() string

DefaultApparmorProfile returns the name of the default apparmor profile

func UsingSystemd 

func UsingSystemd(config *config.Config) bool

UsingSystemd returns true if cli option includes native.cgroupdriver=systemd

func WithApparmor 

func WithApparmor(c *container.Container) coci.SpecOpts

WithApparmor sets the apparmor profile

func WithCapabilities 

func WithCapabilities(c *container.Container) coci.SpecOpts

WithCapabilities sets the container's capabilties

func WithCgroups 

func WithCgroups(daemon *Daemon, c *container.Container) coci.SpecOpts

WithCgroups sets the container's cgroups

func WithCommonOptions 

func WithCommonOptions(daemon *Daemon, c *container.Container) coci.SpecOpts

WithCommonOptions sets common docker options

func WithConsoleSize 

func WithConsoleSize(c *container.Container) coci.SpecOpts

WithConsoleSize sets the initial console size

func WithDevices 

func WithDevices(daemon *Daemon, c *container.Container) coci.SpecOpts

WithDevices sets the container's devices

func WithLibnetwork 

func WithLibnetwork(daemon *Daemon, c *container.Container) coci.SpecOpts

WithLibnetwork sets the libnetwork hook

func WithMounts 

func WithMounts(daemon *Daemon, c *container.Container) coci.SpecOpts

WithMounts sets the container's mounts

func WithNamespaces 

func WithNamespaces(daemon *Daemon, c *container.Container) coci.SpecOpts

WithNamespaces sets the container's namespaces

func WithOOMScore 

func WithOOMScore(score *int) coci.SpecOpts

WithOOMScore sets the oom score

func WithResources 

func WithResources(c *container.Container) coci.SpecOpts

WithResources applies the container resources

func WithRlimits 

func WithRlimits(daemon *Daemon, c *container.Container) coci.SpecOpts

WithRlimits sets the container's rlimits along with merging the daemon's rlimits

func WithRootless 

func WithRootless(daemon *Daemon) coci.SpecOpts

WithRootless sets the spec to the rootless configuration

func WithSeccomp 

func WithSeccomp(daemon *Daemon, c *container.Container) coci.SpecOpts

WithSeccomp sets the seccomp profile

func WithSelinux 

func WithSelinux(c *container.Container) coci.SpecOpts

WithSelinux sets the selinux labels

func WithSysctls 

func WithSysctls(c *container.Container) coci.SpecOpts

WithSysctls sets the container's sysctls

func WithUser 

func WithUser(c *container.Container) coci.SpecOpts

WithUser sets the container's user

Types

type Cluster 

type Cluster interface {
	ClusterStatus
	NetworkManager
	SendClusterEvent(event lncluster.ConfigEventType)
}

Cluster is the interface for github.com/docker/docker/daemon/cluster.(*Cluster).

type ClusterStatus 

type ClusterStatus interface {
	IsAgent() bool
	IsManager() bool
}

ClusterStatus interface provides information about the Swarm status of the Cluster

type Daemon 

type Daemon struct {
	EventsService *events.Events

	PluginStore *plugin.Store // TODO: remove

	ReferenceStore refstore.Store
	// contains filtered or unexported fields
}

Daemon holds information about the Docker daemon.

func NewDaemon 

func NewDaemon(ctx context.Context, config *config.Config, pluginStore *plugin.Store) (daemon *Daemon, err error)

NewDaemon sets up everything for the daemon to be able to service requests from the webserver.

func (*Daemon) ActivateContainerServiceBinding 

func (daemon *Daemon) ActivateContainerServiceBinding(containerName string) error

ActivateContainerServiceBinding puts this container into load balancer active rotation and DNS response

func (*Daemon) AuthenticateToRegistry 

func (daemon *Daemon) AuthenticateToRegistry(ctx context.Context, authConfig *registry.AuthConfig) (string, string, error)

AuthenticateToRegistry checks the validity of credentials in authConfig

func (*Daemon) BuilderBackend 

func (daemon *Daemon) BuilderBackend() builder.Backend

BuilderBackend returns the backend used by builder

func (*Daemon) CheckpointCreate 

func (daemon *Daemon) CheckpointCreate(name string, config types.CheckpointCreateOptions) error

CheckpointCreate checkpoints the process running in a container with CRIU

func (*Daemon) CheckpointDelete 

func (daemon *Daemon) CheckpointDelete(name string, config types.CheckpointDeleteOptions) error

CheckpointDelete deletes the specified checkpoint

func (*Daemon) CheckpointList 

func (daemon *Daemon) CheckpointList(name string, config types.CheckpointListOptions) ([]types.Checkpoint, error)

CheckpointList lists all checkpoints of the specified container

func (*Daemon) Cleanup 

func (daemon *Daemon) Cleanup(container *container.Container)

Cleanup releases any network resources allocated to the container along with any rules around how containers are linked together. It also unmounts the container's root filesystem.

func (*Daemon) ConnectContainerToNetwork 

func (daemon *Daemon) ConnectContainerToNetwork(containerName, networkName string, endpointConfig *network.EndpointSettings) error

ConnectContainerToNetwork connects the given container to the given network. If either cannot be found, an err is returned. If the network cannot be set up, an err is returned.

func (*Daemon) ConnectToNetwork 

func (daemon *Daemon) ConnectToNetwork(container *container.Container, idOrName string, endpointConfig *networktypes.EndpointSettings) error

ConnectToNetwork connects a container to a network

func (*Daemon) ContainerArchivePath 

func (daemon *Daemon) ContainerArchivePath(name string, path string) (content io.ReadCloser, stat *types.ContainerPathStat, err error)

ContainerArchivePath creates an archive of the filesystem resource at the specified path in the container identified by the given name. Returns a tar archive of the resource and whether it was a directory or a single file.

func (*Daemon) ContainerAttach 

func (daemon *Daemon) ContainerAttach(prefixOrName string, c *backend.ContainerAttachConfig) error

ContainerAttach attaches to logs according to the config passed in. See ContainerAttachConfig.

func (*Daemon) ContainerAttachRaw 

func (daemon *Daemon) ContainerAttachRaw(prefixOrName string, stdin io.ReadCloser, stdout, stderr io.Writer, doStream bool, attached chan struct{}) error

ContainerAttachRaw attaches the provided streams to the container's stdio

func (*Daemon) ContainerChanges 

func (daemon *Daemon) ContainerChanges(name string) ([]archive.Change, error)

ContainerChanges returns a list of container fs changes

func (*Daemon) ContainerCopy 

func (daemon *Daemon) ContainerCopy(name string, res string) (io.ReadCloser, error)

ContainerCopy performs a deprecated operation of archiving the resource at the specified path in the container identified by the given name.

func (*Daemon) ContainerCreate 

func (daemon *Daemon) ContainerCreate(ctx context.Context, params types.ContainerCreateConfig) (containertypes.CreateResponse, error)

ContainerCreate creates a regular container

func (*Daemon) ContainerCreateIgnoreImagesArgsEscaped 

func (daemon *Daemon) ContainerCreateIgnoreImagesArgsEscaped(ctx context.Context, params types.ContainerCreateConfig) (containertypes.CreateResponse, error)

ContainerCreateIgnoreImagesArgsEscaped creates a regular container. This is called from the builder RUN case and ensures that we do not take the images ArgsEscaped

func (*Daemon) ContainerCreateWorkdir 

func (daemon *Daemon) ContainerCreateWorkdir(cID string) error

ContainerCreateWorkdir creates the working directory. This solves the issue arising from https://github.com/docker/docker/issues/27545, which was initially fixed by https://github.com/docker/docker/pull/27884. But that fix was too expensive in terms of performance on Windows. Instead, https://github.com/docker/docker/pull/28514 introduces this new functionality where the builder calls into the backend here to create the working directory.

func (*Daemon) ContainerExecCreate 

func (daemon *Daemon) ContainerExecCreate(name string, config *types.ExecConfig) (string, error)

ContainerExecCreate sets up an exec in a running container.

func (*Daemon) ContainerExecInspect 

func (daemon *Daemon) ContainerExecInspect(id string) (*backend.ExecInspect, error)

ContainerExecInspect returns low-level information about the exec command. An error is returned if the exec cannot be found.

func (*Daemon) ContainerExecResize 

func (daemon *Daemon) ContainerExecResize(name string, height, width int) error

ContainerExecResize changes the size of the TTY of the process running in the exec with the given name to the given height and width.

func (*Daemon) ContainerExecStart 

func (daemon *Daemon) ContainerExecStart(ctx context.Context, name string, options containertypes.ExecStartOptions) (err error)

ContainerExecStart starts a previously set up exec instance. The std streams are set up. If ctx is cancelled, the process is terminated.

func (*Daemon) ContainerExport 

func (daemon *Daemon) ContainerExport(name string, out io.Writer) error

ContainerExport writes the contents of the container to the given writer. An error is returned if the container cannot be found.

func (*Daemon) ContainerExtractToDir 

func (daemon *Daemon) ContainerExtractToDir(name, path string, copyUIDGID, noOverwriteDirNonDir bool, content io.Reader) error

ContainerExtractToDir extracts the given archive to the specified location in the filesystem of the container identified by the given name. The given path must be of a directory in the container. If it is not, the error will be an errdefs.InvalidParameter. If noOverwriteDirNonDir is true then it will be an error if unpacking the given content would cause an existing directory to be replaced with a non-directory and vice versa.

func (*Daemon) ContainerInspect 

func (daemon *Daemon) ContainerInspect(name string, size bool, version string) (interface{}, error)

ContainerInspect returns low-level information about a container. Returns an error if the container cannot be found, or if there is an error getting the data.

func (*Daemon) ContainerInspectCurrent 

func (daemon *Daemon) ContainerInspectCurrent(name string, size bool) (*types.ContainerJSON, error)

ContainerInspectCurrent returns low-level information about a container in a most recent api version.

func (*Daemon) ContainerKill 

func (daemon *Daemon) ContainerKill(name, stopSignal string) error

ContainerKill sends signal to the container If no signal is given, then Kill with SIGKILL and wait for the container to exit. If a signal is given, then just send it to the container and return.

func (*Daemon) ContainerLogs 

func (daemon *Daemon) ContainerLogs(ctx context.Context, containerName string, config *types.ContainerLogsOptions) (messages <-chan *backend.LogMessage, isTTY bool, retErr error)

ContainerLogs copies the container's log channel to the channel provided in the config. If ContainerLogs returns an error, no messages have been copied. and the channel will be closed without data.

if it returns nil, the config channel will be active and return log messages until it runs out or the context is canceled.

func (*Daemon) ContainerPause 

func (daemon *Daemon) ContainerPause(name string) error

ContainerPause pauses a container

func (*Daemon) ContainerRename 

func (daemon *Daemon) ContainerRename(oldName, newName string) error

ContainerRename changes the name of a container, using the oldName to find the container. An error is returned if newName is already reserved.

func (*Daemon) ContainerResize 

func (daemon *Daemon) ContainerResize(name string, height, width int) error

ContainerResize changes the size of the TTY of the process running in the container with the given name to the given height and width.

func (*Daemon) ContainerRestart 

func (daemon *Daemon) ContainerRestart(ctx context.Context, name string, options containertypes.StopOptions) error

ContainerRestart stops and starts a container. It attempts to gracefully stop the container within the given timeout, forcefully stopping it if the timeout is exceeded. If given a negative timeout, ContainerRestart will wait forever until a graceful stop. Returns an error if the container cannot be found, or if there is an underlying error at any stage of the restart.

func (*Daemon) ContainerRm 

func (daemon *Daemon) ContainerRm(name string, config *types.ContainerRmConfig) error

ContainerRm removes the container id from the filesystem. An error is returned if the container is not found, or if the remove fails. If the remove succeeds, the container name is released, and network links are removed.

func (*Daemon) ContainerStart 

func (daemon *Daemon) ContainerStart(ctx context.Context, name string, hostConfig *containertypes.HostConfig, checkpoint string, checkpointDir string) error

ContainerStart starts a container.

func (*Daemon) ContainerStatPath 

func (daemon *Daemon) ContainerStatPath(name string, path string) (stat *types.ContainerPathStat, err error)

ContainerStatPath stats the filesystem resource at the specified path in the container identified by the given name.

func (*Daemon) ContainerStats 

func (daemon *Daemon) ContainerStats(ctx context.Context, prefixOrName string, config *backend.ContainerStatsConfig) error

ContainerStats writes information about the container to the stream given in the config object.

func (*Daemon) ContainerStop 

func (daemon *Daemon) ContainerStop(ctx context.Context, name string, options containertypes.StopOptions) error

ContainerStop looks for the given container and stops it. In case the container fails to stop gracefully within a time duration specified by the timeout argument, in seconds, it is forcefully terminated (killed).

If the timeout is nil, the container's StopTimeout value is used, if set, otherwise the engine default. A negative timeout value can be specified, meaning no timeout, i.e. no forceful termination is performed.

func (*Daemon) ContainerTop 

func (daemon *Daemon) ContainerTop(name string, psArgs string) (*container.ContainerTopOKBody, error)

ContainerTop lists the processes running inside of the given container by calling ps with the given args, or with the flags "-ef" if no args are given. An error is returned if the container is not found, or is not running, or if there are any problems running ps, or parsing the output.

func (*Daemon) ContainerUnpause 

func (daemon *Daemon) ContainerUnpause(name string) error

ContainerUnpause unpauses a container

func (*Daemon) ContainerUpdate 

func (daemon *Daemon) ContainerUpdate(name string, hostConfig *container.HostConfig) (container.ContainerUpdateOKBody, error)

ContainerUpdate updates configuration of the container

func (*Daemon) ContainerWait 

func (daemon *Daemon) ContainerWait(ctx context.Context, name string, condition container.WaitCondition) (<-chan container.StateStatus, error)

ContainerWait waits until the given container is in a certain state indicated by the given condition. If the container is not found, a nil channel and non-nil error is returned immediately. If the container is found, a status result will be sent on the returned channel once the wait condition is met or if an error occurs waiting for the container (such as a context timeout or cancellation). On a successful wait, the exit code of the container is returned in the status with a non-nil Err() value.

func (*Daemon) Containers 

func (daemon *Daemon) Containers(ctx context.Context, config *types.ContainerListOptions) ([]*types.Container, error)

Containers returns the list of containers to show given the user's filtering.

func (*Daemon) ContainersPrune 

func (daemon *Daemon) ContainersPrune(ctx context.Context, pruneFilters filters.Args) (*types.ContainersPruneReport, error)

ContainersPrune removes unused containers

func (*Daemon) CreateImageFromContainer 

func (daemon *Daemon) CreateImageFromContainer(ctx context.Context, name string, c *backend.CreateImageConfig) (string, error)

CreateImageFromContainer creates a new image from a container. The container config will be updated by applying the change set to the custom config, then applying that config over the existing container config.

func (*Daemon) CreateManagedContainer 

func (daemon *Daemon) CreateManagedContainer(ctx context.Context, params types.ContainerCreateConfig) (containertypes.CreateResponse, error)

CreateManagedContainer creates a container that is managed by a Service

func (*Daemon) CreateManagedNetwork 

func (daemon *Daemon) CreateManagedNetwork(create clustertypes.NetworkCreateRequest) error

CreateManagedNetwork creates an agent network.

func (*Daemon) CreateNetwork 

func (daemon *Daemon) CreateNetwork(create types.NetworkCreateRequest) (*types.NetworkCreateResponse, error)

CreateNetwork creates a network with the given name, driver and other optional parameters

func (*Daemon) DaemonJoinsCluster 

func (daemon *Daemon) DaemonJoinsCluster(clusterProvider cluster.Provider)

DaemonJoinsCluster informs the daemon has joined the cluster and provides the handler to query the cluster component

func (*Daemon) DaemonLeavesCluster 

func (daemon *Daemon) DaemonLeavesCluster()

DaemonLeavesCluster informs the daemon has left the cluster

func (*Daemon) DeactivateContainerServiceBinding 

func (daemon *Daemon) DeactivateContainerServiceBinding(containerName string) error

DeactivateContainerServiceBinding removes this container from load balancer active rotation, and DNS response

func (*Daemon) DeleteManagedNetwork 

func (daemon *Daemon) DeleteManagedNetwork(networkID string) error

DeleteManagedNetwork deletes an agent network. The requirement of networkID is enforced.

func (*Daemon) DeleteNetwork 

func (daemon *Daemon) DeleteNetwork(networkID string) error

DeleteNetwork destroys a network unless it's one of docker's predefined networks.

func (*Daemon) DisconnectContainerFromNetwork 

func (daemon *Daemon) DisconnectContainerFromNetwork(containerName string, networkName string, force bool) error

DisconnectContainerFromNetwork disconnects the given container from the given network. If either cannot be found, an err is returned.

func (*Daemon) DisconnectFromNetwork 

func (daemon *Daemon) DisconnectFromNetwork(container *container.Container, networkName string, force bool) error

DisconnectFromNetwork disconnects container from network n.

func (*Daemon) DistributionServices 

func (daemon *Daemon) DistributionServices() images.DistributionServices

DistributionServices returns services controlling daemon storage

func (*Daemon) ExecExists 

func (daemon *Daemon) ExecExists(name string) (bool, error)

ExecExists looks up the exec instance and returns a bool if it exists or not. It will also return the error produced by `getConfig`

func (*Daemon) Exists 

func (daemon *Daemon) Exists(id string) bool

Exists returns a true if a container of the specified ID or name exists, false otherwise.

func (*Daemon) Features 

func (daemon *Daemon) Features() *map[string]bool

Features returns the features map from configStore

func (*Daemon) FindNetwork 

func (daemon *Daemon) FindNetwork(term string) (libnetwork.Network, error)

FindNetwork returns a network based on: 1. Full ID 2. Full Name 3. Partial ID as long as there is no ambiguity

func (*Daemon) ForceEndpointDelete 

func (daemon *Daemon) ForceEndpointDelete(name string, networkName string) error

ForceEndpointDelete deletes an endpoint from a network forcefully

func (*Daemon) GetAttachmentStore 

func (daemon *Daemon) GetAttachmentStore() *network.AttachmentStore

GetAttachmentStore returns current attachment store associated with the daemon

func (*Daemon) GetByName 

func (daemon *Daemon) GetByName(name string) (*container.Container, error)

GetByName returns a container given a name.

func (*Daemon) GetCluster 

func (daemon *Daemon) GetCluster() Cluster

GetCluster returns the cluster

func (*Daemon) GetContainer 

func (daemon *Daemon) GetContainer(prefixOrName string) (*container.Container, error)

GetContainer looks for a container using the provided information, which could be one of the following inputs from the caller:

  • A full container ID, which will exact match a container in daemon's list
  • A container name, which will only exact match via the GetByName() function
  • A partial container ID prefix (e.g. short ID) of any length that is unique enough to only return a single container object If none of these searches succeed, an error is returned

func (*Daemon) GetContainerStats 

func (daemon *Daemon) GetContainerStats(container *container.Container) (*types.StatsJSON, error)

GetContainerStats collects all the stats published by a container

func (*Daemon) GetNetworkByID 

func (daemon *Daemon) GetNetworkByID(id string) (libnetwork.Network, error)

GetNetworkByID function returns a network whose ID matches the given ID. It fails with an error if no matching network is found.

func (*Daemon) GetNetworkByName 

func (daemon *Daemon) GetNetworkByName(name string) (libnetwork.Network, error)

GetNetworkByName function returns a network for a given network name. If no network name is given, the default network is returned.

func (*Daemon) GetNetworkDriverList 

func (daemon *Daemon) GetNetworkDriverList() []string

GetNetworkDriverList returns the list of plugins drivers registered for network.

func (*Daemon) GetNetworks 

func (daemon *Daemon) GetNetworks(filter filters.Args, config types.NetworkListConfig) ([]types.NetworkResource, error)

GetNetworks returns a list of all networks

func (*Daemon) GetNetworksByIDPrefix 

func (daemon *Daemon) GetNetworksByIDPrefix(partialID string) []libnetwork.Network

GetNetworksByIDPrefix returns a list of networks whose ID partially matches zero or more networks

func (*Daemon) HasExperimental 

func (daemon *Daemon) HasExperimental() bool

HasExperimental returns whether the experimental features of the daemon are enabled or not

func (*Daemon) IdentityMapping 

func (daemon *Daemon) IdentityMapping() idtools.IdentityMapping

IdentityMapping returns uid/gid mapping or a SID (in the case of Windows) for the builder

func (*Daemon) ImageService 

func (daemon *Daemon) ImageService() ImageService

ImageService returns the Daemon's ImageService

func (*Daemon) IsPaused 

func (daemon *Daemon) IsPaused(id string) bool

IsPaused returns a bool indicating if the specified container is paused.

func (*Daemon) IsShuttingDown 

func (daemon *Daemon) IsShuttingDown() bool

IsShuttingDown tells whether the daemon is shutting down or not

func (*Daemon) IsSwarmCompatible 

func (daemon *Daemon) IsSwarmCompatible() error

IsSwarmCompatible verifies if the current daemon configuration is compatible with the swarm mode

func (*Daemon) Kill 

func (daemon *Daemon) Kill(container *containerpkg.Container) error

Kill forcefully terminates a container.

func (*Daemon) List 

func (daemon *Daemon) List() []*container.Container

List returns an array of all containers registered in the daemon.

func (*Daemon) LogContainerEvent 

func (daemon *Daemon) LogContainerEvent(container *container.Container, action string)

LogContainerEvent generates an event related to a container with only the default attributes.

func (*Daemon) LogContainerEventWithAttributes 

func (daemon *Daemon) LogContainerEventWithAttributes(container *container.Container, action string, attributes map[string]string)

LogContainerEventWithAttributes generates an event related to a container with specific given attributes.

func (*Daemon) LogDaemonEventWithAttributes 

func (daemon *Daemon) LogDaemonEventWithAttributes(action string, attributes map[string]string)

LogDaemonEventWithAttributes generates an event related to the daemon itself with specific given attributes.

func (*Daemon) LogNetworkEvent 

func (daemon *Daemon) LogNetworkEvent(nw libnetwork.Network, action string)

LogNetworkEvent generates an event related to a network with only the default attributes.

func (*Daemon) LogNetworkEventWithAttributes 

func (daemon *Daemon) LogNetworkEventWithAttributes(nw libnetwork.Network, action string, attributes map[string]string)

LogNetworkEventWithAttributes generates an event related to a network with specific given attributes.

func (*Daemon) LogPluginEvent 

func (daemon *Daemon) LogPluginEvent(pluginID, refName, action string)

LogPluginEvent generates an event related to a plugin with only the default attributes.

func (*Daemon) LogPluginEventWithAttributes 

func (daemon *Daemon) LogPluginEventWithAttributes(pluginID, refName, action string, attributes map[string]string)

LogPluginEventWithAttributes generates an event related to a plugin with specific given attributes.

func (*Daemon) LogVolumeEvent 

func (daemon *Daemon) LogVolumeEvent(volumeID, action string, attributes map[string]string)

LogVolumeEvent generates an event related to a volume.

func (*Daemon) Mount 

func (daemon *Daemon) Mount(container *container.Container) error

Mount sets container.BaseFS (is it not set coming in? why is it unset?)

func (*Daemon) NetworkController 

func (daemon *Daemon) NetworkController() libnetwork.NetworkController

NetworkController returns the network controller created by the daemon.

func (*Daemon) NetworkControllerEnabled 

func (daemon *Daemon) NetworkControllerEnabled() bool

NetworkControllerEnabled checks if the networking stack is enabled. This feature depends on OS primitives and it's disabled in systems like Windows.

func (*Daemon) NetworksPrune 

func (daemon *Daemon) NetworksPrune(ctx context.Context, pruneFilters filters.Args) (*types.NetworksPruneReport, error)

NetworksPrune removes unused networks

func (*Daemon) PluginGetter 

func (daemon *Daemon) PluginGetter() *plugin.Store

PluginGetter returns current pluginStore associated with the daemon

func (*Daemon) PluginManager 

func (daemon *Daemon) PluginManager() *plugin.Manager

PluginManager returns current pluginManager associated with the daemon

func (*Daemon) ProcessClusterNotifications 

func (daemon *Daemon) ProcessClusterNotifications(ctx context.Context, watchStream chan *swarmapi.WatchMessage)

ProcessClusterNotifications gets changes from store and add them to event list

func (*Daemon) ProcessEvent 

func (daemon *Daemon) ProcessEvent(id string, e libcontainerdtypes.EventType, ei libcontainerdtypes.EventInfo) error

ProcessEvent is called by libcontainerd whenever an event occurs

func (*Daemon) RawSysInfo 

func (daemon *Daemon) RawSysInfo() *sysinfo.SysInfo

RawSysInfo returns *sysinfo.SysInfo .

func (*Daemon) Register 

func (daemon *Daemon) Register(c *container.Container) error

Register makes a container object usable by the daemon as <container.ID>

func (*Daemon) RegistryHosts 

func (daemon *Daemon) RegistryHosts() docker.RegistryHosts

RegistryHosts returns registry configuration in containerd resolvers format

func (*Daemon) ReleaseIngress 

func (daemon *Daemon) ReleaseIngress() (<-chan struct{}, error)

ReleaseIngress releases the ingress networking. The function returns a channel which will signal the caller when the programming is completed.

func (*Daemon) Reload 

func (daemon *Daemon) Reload(conf *config.Config) (err error)

Reload reads configuration changes and modifies the daemon according to those changes. These are the settings that Reload changes: - Platform runtime - Daemon debug log level - Daemon max concurrent downloads - Daemon max concurrent uploads - Daemon max download attempts - Daemon shutdown timeout (in seconds) - Cluster discovery (reconfigure and restart) - Daemon labels - Insecure registries - Registry mirrors - Daemon live restore

func (*Daemon) RestartSwarmContainers 

func (daemon *Daemon) RestartSwarmContainers()

RestartSwarmContainers restarts any autostart container which has a swarm endpoint.

func (*Daemon) Rootless 

func (daemon *Daemon) Rootless() bool

Rootless returns true if daemon is running in rootless mode

func (*Daemon) SetCluster 

func (daemon *Daemon) SetCluster(cluster Cluster)

SetCluster sets the cluster

func (*Daemon) SetContainerConfigReferences 

func (daemon *Daemon) SetContainerConfigReferences(name string, refs []*swarmtypes.ConfigReference) error

SetContainerConfigReferences sets the container config references needed

func (*Daemon) SetContainerDependencyStore 

func (daemon *Daemon) SetContainerDependencyStore(name string, store exec.DependencyGetter) error

SetContainerDependencyStore sets the dependency store backend for the container

func (*Daemon) SetContainerSecretReferences 

func (daemon *Daemon) SetContainerSecretReferences(name string, refs []*swarmtypes.SecretReference) error

SetContainerSecretReferences sets the container secret references needed

func (*Daemon) SetNetworkBootstrapKeys 

func (daemon *Daemon) SetNetworkBootstrapKeys(keys []*networktypes.EncryptionKey) error

SetNetworkBootstrapKeys sets the bootstrap keys.

func (*Daemon) SetupIngress 

func (daemon *Daemon) SetupIngress(create clustertypes.NetworkCreateRequest, nodeIP string) (<-chan struct{}, error)

SetupIngress setups ingress networking. The function returns a channel which will signal the caller when the programming is completed.

func (*Daemon) Shutdown 

func (daemon *Daemon) Shutdown(ctx context.Context) error

Shutdown stops the daemon.

func (*Daemon) ShutdownTimeout 

func (daemon *Daemon) ShutdownTimeout() int

ShutdownTimeout returns the timeout (in seconds) before containers are forcibly killed during shutdown. The default timeout can be configured both on the daemon and per container, and the longest timeout will be used. A grace-period of 5 seconds is added to the configured timeout.

A negative (-1) timeout means "indefinitely", which means that containers are not forcibly killed, and the daemon shuts down after all containers exit.

func (*Daemon) StoreHosts 

func (daemon *Daemon) StoreHosts(hosts []string)

StoreHosts stores the addresses the daemon is listening on

func (*Daemon) Subnets 

func (daemon *Daemon) Subnets() ([]net.IPNet, []net.IPNet)

Subnets return the IPv4 and IPv6 subnets of networks that are manager by Docker.

func (*Daemon) SubscribeToEvents 

func (daemon *Daemon) SubscribeToEvents(since, until time.Time, filter filters.Args) ([]events.Message, chan interface{})

SubscribeToEvents returns the currently record of events, a channel to stream new events from, and a function to cancel the stream of events.

func (*Daemon) SystemDiskUsage 

func (daemon *Daemon) SystemDiskUsage(ctx context.Context, opts system.DiskUsageOptions) (*types.DiskUsage, error)

SystemDiskUsage returns information about the daemon data disk usage. Callers must not mutate contents of the returned fields.

func (*Daemon) SystemInfo 

func (daemon *Daemon) SystemInfo() *types.Info

SystemInfo returns information about the host server the daemon is running on.

func (*Daemon) SystemVersion 

func (daemon *Daemon) SystemVersion() types.Version

SystemVersion returns version information about the daemon.

func (*Daemon) Unmount 

func (daemon *Daemon) Unmount(container *container.Container) error

Unmount unsets the container base filesystem

func (*Daemon) UnsubscribeFromEvents 

func (daemon *Daemon) UnsubscribeFromEvents(listener chan interface{})

UnsubscribeFromEvents stops the event subscription for a client by closing the channel where the daemon sends events to.

func (*Daemon) UpdateAttachment 

func (daemon *Daemon) UpdateAttachment(networkName, networkID, containerID string, config *network.NetworkingConfig) error

UpdateAttachment notifies the attacher about the attachment config.

func (*Daemon) UpdateContainerServiceConfig 

func (daemon *Daemon) UpdateContainerServiceConfig(containerName string, serviceConfig *clustertypes.ServiceConfig) error

UpdateContainerServiceConfig updates a service configuration.

func (*Daemon) UsesSnapshotter 

func (daemon *Daemon) UsesSnapshotter() bool

UsesSnapshotter returns true if feature flag to use containerd snapshotter is enabled

func (*Daemon) VolumesService 

func (daemon *Daemon) VolumesService() *service.VolumesService

VolumesService is used to perform volume operations

func (*Daemon) WaitForDetachment 

func (daemon *Daemon) WaitForDetachment(ctx context.Context, networkName, networkID, taskID, containerID string) error

WaitForDetachment makes the cluster manager wait for detachment of the container from the network.

type ImageService 

type ImageService interface {
	PullImage(ctx context.Context, image, tag string, platform *v1.Platform, metaHeaders map[string][]string, authConfig *registry.AuthConfig, outStream io.Writer) error
	PushImage(ctx context.Context, image, tag string, metaHeaders map[string][]string, authConfig *registry.AuthConfig, outStream io.Writer) error
	CreateImage(config []byte, parent string) (builder.Image, error)
	ImageDelete(ctx context.Context, imageRef string, force, prune bool) ([]types.ImageDeleteResponseItem, error)
	ExportImage(ctx context.Context, names []string, outStream io.Writer) error
	LoadImage(ctx context.Context, inTar io.ReadCloser, outStream io.Writer, quiet bool) error
	Images(ctx context.Context, opts types.ImageListOptions) ([]*types.ImageSummary, error)
	LogImageEvent(imageID, refName, action string)
	LogImageEventWithAttributes(imageID, refName, action string, attributes map[string]string)
	CountImages() int
	ImagesPrune(ctx context.Context, pruneFilters filters.Args) (*types.ImagesPruneReport, error)
	ImportImage(ctx context.Context, src string, repository string, platform *v1.Platform, tag string, msg string, inConfig io.ReadCloser, outStream io.Writer, changes []string) error
	TagImage(imageName, repository, tag string) (string, error)
	TagImageWithReference(imageID image.ID, newTag reference.Named) error
	GetImage(ctx context.Context, refOrID string, options imagetype.GetImageOpts) (*image.Image, error)
	ImageHistory(name string) ([]*imagetype.HistoryResponseItem, error)
	CommitImage(c backend.CommitConfig) (image.ID, error)
	SquashImage(id, parent string) (string, error)

	GetImageAndReleasableLayer(ctx context.Context, refOrID string, opts backend.GetImageAndLayerOptions) (builder.Image, builder.ROLayer, error)
	CreateLayer(container *container.Container, initFunc layer.MountInit) (layer.RWLayer, error)
	GetLayerByID(cid string) (layer.RWLayer, error)
	LayerStoreStatus() [][2]string
	GetLayerMountID(cid string) (string, error)
	ReleaseLayer(rwlayer layer.RWLayer) error
	LayerDiskUsage(ctx context.Context) (int64, error)
	GetContainerLayerSize(containerID string) (int64, int64)

	GetLayerFolders(img *image.Image, rwLayer layer.RWLayer) ([]string, error)

	MakeImageCache(ctx context.Context, cacheFrom []string) (builder.ImageCache, error)
	CommitBuildStep(c backend.CommitConfig) (image.ID, error)

	GetRepository(ctx context.Context, ref reference.Named, authConfig *registry.AuthConfig) (distribution.Repository, error)
	SearchRegistryForImages(ctx context.Context, searchFilters filters.Args, term string, limit int, authConfig *registry.AuthConfig, headers map[string][]string) (*registry.SearchResults, error)
	DistributionServices() images.DistributionServices
	Children(id image.ID) []image.ID
	Cleanup() error
	StorageDriver() string
	UpdateConfig(maxDownloads, maxUploads int)
}

ImageService is a temporary interface to assist in the migration to the containerd image-store. This interface should not be considered stable, and may change over time.

type NetworkManager 

type NetworkManager interface {
	GetNetwork(input string) (apitypes.NetworkResource, error)
	GetNetworks(filters.Args) ([]apitypes.NetworkResource, error)
	RemoveNetwork(input string) error
}

NetworkManager provides methods to manage networks

type PredefinedNetworkError 

type PredefinedNetworkError string

PredefinedNetworkError is returned when user tries to create predefined network that already exists.

func (PredefinedNetworkError) Error 

func (pnr PredefinedNetworkError) Error() string

func (PredefinedNetworkError) Forbidden 

func (pnr PredefinedNetworkError) Forbidden()

Forbidden denotes the type of this error

Source Files

View all Source files

Directories

Path Synopsis
controllers/plugin
convert
executor
executor/container
provider
testutils
aufs
btrfs
copy
devmapper
fuse-overlayfs
graphtest
overlay
overlay2
overlayutils
register
vfs
windows
zfs
Package logger defines interfaces that logger drivers implement to log messages.
 Package logger defines interfaces that logger drivers implement to log messages.
awslogs
Package awslogs provides the logdriver for forwarding container logs to Amazon CloudWatch Logs
 Package awslogs provides the logdriver for forwarding container logs to Amazon CloudWatch Logs
etwlogs
Package etwlogs provides a log driver for forwarding container logs as ETW events.(ETW stands for Event Tracing for Windows) A client can then create an ETW listener to listen for events that are sent by the ETW provider that we register, using the provider's GUID "a3693192-9ed6-46d2-a981-f8226c8363bd".
 Package etwlogs provides a log driver for forwarding container logs as ETW events.(ETW stands for Event Tracing for Windows) A client can then create an ETW listener to listen for events that are sent by the ETW provider that we register, using the provider's GUID "a3693192-9ed6-46d2-a981-f8226c8363bd".
fluentd
Package fluentd provides the log driver for forwarding server logs to fluentd endpoints.
 Package fluentd provides the log driver for forwarding server logs to fluentd endpoints.
gcplogs
gelf
Package gelf provides the log driver for forwarding server logs to endpoints that support the Graylog Extended Log Format.
 Package gelf provides the log driver for forwarding server logs to endpoints that support the Graylog Extended Log Format.
journald
Package journald provides the log driver for forwarding server logs to endpoints that receive the systemd format.
 Package journald provides the log driver for forwarding server logs to endpoints that receive the systemd format.
journald/internal/export
Package export implements a serializer for the systemd Journal Export Format as documented at https://systemd.io/JOURNAL_EXPORT_FORMATS/
 Package export implements a serializer for the systemd Journal Export Format as documented at https://systemd.io/JOURNAL_EXPORT_FORMATS/
journald/internal/fake
Package fake implements a journal writer for testing which is decoupled from the system's journald.
 Package fake implements a journal writer for testing which is decoupled from the system's journald.
journald/internal/sdjournal
Package sdjournal provides a Go interface to the systemd journal read API by wrapping the libsystemd C library.
 Package sdjournal provides a Go interface to the systemd journal read API by wrapping the libsystemd C library.
jsonfilelog
Package jsonfilelog provides the default Logger implementation for Docker logging.
 Package jsonfilelog provides the default Logger implementation for Docker logging.
jsonfilelog/jsonlog
local
Package local provides a logger implementation that stores logs on disk.
 Package local provides a logger implementation that stores logs on disk.
logentries
Package logentries provides the log driver for forwarding server logs to logentries endpoints.
 Package logentries provides the log driver for forwarding server logs to logentries endpoints.
loggertest
loggerutils
loggerutils/cache
splunk
Package splunk provides the log driver for forwarding server logs to Splunk HTTP Event Collector endpoint.
 Package splunk provides the log driver for forwarding server logs to Splunk HTTP Event Collector endpoint.
syslog
Package syslog provides the logdriver for forwarding server logs to syslog endpoints.
 Package syslog provides the logdriver for forwarding server logs to syslog endpoints.
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