DockerCLI/internal/containerizedengine/types.go

61 lines
2.3 KiB
Go

package containerizedengine
import (
"context"
"errors"
"github.com/containerd/containerd"
"github.com/containerd/containerd/containers"
"github.com/containerd/containerd/content"
)
const (
containerdSockPath = "/run/containerd/containerd.sock"
engineNamespace = "com.docker"
// runtimeMetadataName is the name of the runtime metadata file
// When stored as a label on the container it is prefixed by "com.docker."
runtimeMetadataName = "distribution_based_engine"
)
var (
// ErrEngineAlreadyPresent returned when engine already present and should not be
ErrEngineAlreadyPresent = errors.New("engine already present, use the update command to change versions")
// ErrEngineNotPresent returned when the engine is not present and should be
ErrEngineNotPresent = errors.New("engine not present")
// ErrMalformedConfigFileParam returned if the engine config file parameter is malformed
ErrMalformedConfigFileParam = errors.New("malformed --config-file param on engine")
// ErrEngineConfigLookupFailure returned if unable to lookup existing engine configuration
ErrEngineConfigLookupFailure = errors.New("unable to lookup existing engine configuration")
// ErrEngineShutdownTimeout returned if the engine failed to shutdown in time
ErrEngineShutdownTimeout = errors.New("timeout waiting for engine to exit")
)
type baseClient struct {
cclient containerdClient
}
// containerdClient abstracts the containerd client to aid in testability
type containerdClient interface {
Containers(ctx context.Context, filters ...string) ([]containerd.Container, error)
NewContainer(ctx context.Context, id string, opts ...containerd.NewContainerOpts) (containerd.Container, error)
Pull(ctx context.Context, ref string, opts ...containerd.RemoteOpt) (containerd.Image, error)
GetImage(ctx context.Context, ref string) (containerd.Image, error)
Close() error
ContentStore() content.Store
ContainerService() containers.Store
Install(context.Context, containerd.Image, ...containerd.InstallOpts) error
Version(ctx context.Context) (containerd.Version, error)
}
// RuntimeMetadata holds platform information about the daemon
type RuntimeMetadata struct {
Platform string `json:"platform"`
ContainerdMinVersion string `json:"containerd_min_version"`
Runtime string `json:"runtime"`
}