package command import ( "errors" "github.com/docker/cli/cli/context/store" ) // DockerContext is a typed representation of what we put in Context metadata type DockerContext struct { Description string `json:",omitempty"` StackOrchestrator Orchestrator `json:",omitempty"` } // GetDockerContext extracts metadata from stored context metadata func GetDockerContext(storeMetadata store.ContextMetadata) (DockerContext, error) { if storeMetadata.Metadata == nil { // can happen if we save endpoints before assigning a context metadata // it is totally valid, and we should return a default initialized value return DockerContext{}, nil } res, ok := storeMetadata.Metadata.(DockerContext) if !ok { return DockerContext{}, errors.New("context metadata is not a valid DockerContext") } return res, nil }