DockerCLI/cli-plugins/manager/metadata.go

package manager

const (
	// NamePrefix is the prefix required on all plugin binary names
	NamePrefix = "docker-"

	// MetadataSubcommandName is the name of the plugin subcommand
	// which must be supported by every plugin and returns the
	// plugin metadata.
	MetadataSubcommandName = "docker-cli-plugin-metadata"

	// HookSubcommandName is the name of the plugin subcommand
	// which must be implemented by plugins declaring support
	// for hooks in their metadata.
	HookSubcommandName = "docker-cli-plugin-hooks"
)

// Metadata provided by the plugin.
type Metadata struct {
	// SchemaVersion describes the version of this struct. Mandatory, must be "0.1.0"
	SchemaVersion string `json:",omitempty"`
	// Vendor is the name of the plugin vendor. Mandatory
	Vendor string `json:",omitempty"`
	// Version is the optional version of this plugin.
	Version string `json:",omitempty"`
	// ShortDescription should be suitable for a single line help message.
	ShortDescription string `json:",omitempty"`
	// URL is a pointer to the plugin's homepage.
	URL string `json:",omitempty"`
}