Remove containerizedengine package dependency from docker/cli/command…

… this removes a whole lot of dependencies from people depending on docker/cli…

Signed-off-by: Vincent Demeester <vincent@sbr.pm>

types/types.go

@@ -0,0 +1,81 @@
+package types
+
+import (
+	"context"
+	"io"
+
+	registryclient "github.com/docker/cli/cli/registry/client"
+	"github.com/docker/docker/api/types"
+	ver "github.com/hashicorp/go-version"
+)
+
+const (
+	// CommunityEngineImage is the repo name for the community engine
+	CommunityEngineImage = "engine-community"
+
+	// EnterpriseEngineImage is the repo name for the enterprise engine
+	EnterpriseEngineImage = "engine-enterprise"
+)
+
+// ContainerizedClient can be used to manage the lifecycle of
+// dockerd running as a container on containerd.
+type ContainerizedClient interface {
+	Close() error
+	ActivateEngine(ctx context.Context,
+		opts EngineInitOptions,
+		out OutStream,
+		authConfig *types.AuthConfig,
+		healthfn func(context.Context) error) error
+	InitEngine(ctx context.Context,
+		opts EngineInitOptions,
+		out OutStream,
+		authConfig *types.AuthConfig,
+		healthfn func(context.Context) error) error
+	DoUpdate(ctx context.Context,
+		opts EngineInitOptions,
+		out OutStream,
+		authConfig *types.AuthConfig,
+		healthfn func(context.Context) error) error
+	GetEngineVersions(ctx context.Context, registryClient registryclient.RegistryClient, currentVersion, imageName string) (AvailableVersions, error)
+	GetCurrentEngineVersion(ctx context.Context) (EngineInitOptions, error)
+	RemoveEngine(ctx context.Context) error
+}
+
+// EngineInitOptions contains the configuration settings
+// use during initialization of a containerized docker engine
+type EngineInitOptions struct {
+	RegistryPrefix string
+	EngineImage    string
+	EngineVersion  string
+	ConfigFile     string
+	Scope          string
+}
+
+// AvailableVersions groups the available versions which were discovered
+type AvailableVersions struct {
+	Downgrades []DockerVersion
+	Patches    []DockerVersion
+	Upgrades   []DockerVersion
+}
+
+// DockerVersion wraps a semantic version to retain the original tag
+// since the docker date based versions don't strictly follow semantic
+// versioning (leading zeros, etc.)
+type DockerVersion struct {
+	ver.Version
+	Tag string
+}
+
+// Update stores available updates for rendering in a table
+type Update struct {
+	Type    string
+	Version string
+	Notes   string
+}
+
+// OutStream is an output stream used to write normal program output.
+type OutStream interface {
+	io.Writer
+	FD() uintptr
+	IsTerminal() bool
+}