Move api/client -> cli/command

Using
  gomvpkg
     -from github.com/docker/docker/api/client
     -to github.com/docker/docker/cli/command
     -vcs_mv_cmd 'git mv {{.Src}} {{.Dst}}'

Signed-off-by: Daniel Nephin <dnephin@docker.com>
Upstream-commit: 0640a14b4fcba3715f7cc3bc9444f3c7f4827edd
Component: engine

components/engine/cli/command/idresolver/idresolver.go

@@ -0,0 +1,70 @@
+package idresolver
+
+import (
+	"fmt"
+
+	"golang.org/x/net/context"
+
+	"github.com/docker/docker/api/types/swarm"
+	"github.com/docker/docker/client"
+)
+
+// IDResolver provides ID to Name resolution.
+type IDResolver struct {
+	client    client.APIClient
+	noResolve bool
+	cache     map[string]string
+}
+
+// New creates a new IDResolver.
+func New(client client.APIClient, noResolve bool) *IDResolver {
+	return &IDResolver{
+		client:    client,
+		noResolve: noResolve,
+		cache:     make(map[string]string),
+	}
+}
+
+func (r *IDResolver) get(ctx context.Context, t interface{}, id string) (string, error) {
+	switch t.(type) {
+	case swarm.Node:
+		node, _, err := r.client.NodeInspectWithRaw(ctx, id)
+		if err != nil {
+			return id, nil
+		}
+		if node.Spec.Annotations.Name != "" {
+			return node.Spec.Annotations.Name, nil
+		}
+		if node.Description.Hostname != "" {
+			return node.Description.Hostname, nil
+		}
+		return id, nil
+	case swarm.Service:
+		service, _, err := r.client.ServiceInspectWithRaw(ctx, id)
+		if err != nil {
+			return id, nil
+		}
+		return service.Spec.Annotations.Name, nil
+	default:
+		return "", fmt.Errorf("unsupported type")
+	}
+
+}
+
+// Resolve will attempt to resolve an ID to a Name by querying the manager.
+// Results are stored into a cache.
+// If the `-n` flag is used in the command-line, resolution is disabled.
+func (r *IDResolver) Resolve(ctx context.Context, t interface{}, id string) (string, error) {
+	if r.noResolve {
+		return id, nil
+	}
+	if name, ok := r.cache[id]; ok {
+		return name, nil
+	}
+	name, err := r.get(ctx, t, id)
+	if err != nil {
+		return "", err
+	}
+	r.cache[id] = name
+	return name, nil
+}