FlagToEnv converts a flag and its value into an Env.

FlagToEnvName converts a flag string into a UNIX like environment variable name.

KubectlPluginsPathPluginLoader returns a PluginLoader that loads plugins from one or more directories specified by the KUBECTL_PLUGINS_PATH env var.

PathFromEnvVarPluginLoader returns a PluginLoader that loads plugins from one or more directories specified by the provided env var name.

UserDirPluginLoader returns a PluginLoader that loads plugins from the "plugins" directory under the user's kubeconfig dir (usually "~/.kube/plugins/").

XDGDataDirsPluginLoader returns a PluginLoader that loads plugins from one or more directories specified by the XDG system directory structure spec in the XDG_DATA_DIRS env var, plus the "kubectl/plugins/" suffix.

PluginDescriptorFilename is the default file name for plugin descriptions.

ErrIncompleteFlag indicates flag is incomplete.

ErrIncompletePlugin indicates plugin is incomplete.

ErrInvalidFlagName indicates flag name is invalid.

ErrInvalidFlagShorthand indicates flag shorthand is invalid.

ErrInvalidPluginName indicates plugin name is invalid.

Description holds everything needed to register a plugin as a command.

DirectoryPluginLoader is a PluginLoader that loads plugin descriptions from a given directory in the filesystem.

DummyPluginLoader is a noop PluginLoader.

EmptyEnvProvider satisfies the EnvProvider interface.

Env represents an environment variable with its name and value.

ExecPluginRunner is a PluginRunner that uses Go's os/exec to run plugins.

Flag describes a single flag supported by a given plugin.

OSEnvProvider satisfies the EnvProvider interface.

Plugin is the representation of a CLI extension (plugin).

PluginCallerEnvProvider satisfies the EnvProvider interface.

PluginDescriptorEnvProvider satisfies the EnvProvider interface.

RunningContext holds the context in which a given plugin is running - the in, out, and err streams, arguments and environment passed to it, and the working directory.

Source holds the location of a given plugin in the filesystem.

EnvProvider provides the environment in which the plugin will run.

PluginLoader is capable of loading a list of plugin descriptions.

PluginRunner is capable of running a plugin in a given running context.

EnvList is a list of Env.

MultiEnvProvider satisfies the EnvProvider interface for multiple env providers.

MultiPluginLoader is a PluginLoader that can encapsulate multiple plugin loaders, a successful loading means every encapsulated loader was able to load without errors.

Plugins is a list of plugins.

TolerantMultiPluginLoader is a PluginLoader than encapsulates multiple plugins loaders, but is tolerant to errors while loading from them.