func RegisterClientImpl(cClient)

type Client interface {// GetString returns a string policy setting with the specified key,// or defaultValue (and a nil error) if it does not exist.GetString(keypkey.Key, defaultValuestring) (string,error)// GetStringArray returns a string array policy setting with the specified key,// or defaultValue (and a nil error) if it does not exist.GetStringArray(keypkey.Key, defaultValue []string) ([]string,error)// GetBoolean returns a boolean policy setting with the specified key,// or defaultValue (and a nil error) if it does not exist.GetBoolean(keypkey.Key, defaultValuebool) (bool,error)// GetUint64 returns a numeric policy setting with the specified key,// or defaultValue (and a nil error) if it does not exist.GetUint64(keypkey.Key, defaultValueuint64) (uint64,error)// GetDuration loads a policy from the registry that can be managed by an// enterprise policy management system and describes a duration for some// action. The registry value should be a string that time.ParseDuration// understands. If the registry value is "" or can not be processed,// defaultValue (and a nil error) is returned instead.GetDuration(keypkey.Key, defaultValuetime.Duration) (time.Duration,error)// GetPreferenceOption loads a policy from the registry that can be// managed by an enterprise policy management system and allows administrative// overrides of users' choices in a way that we do not want tailcontrol to have// the authority to set. It describes user-decides/always/never options, where// "always" and "never" remove the user's ability to make a selection. If not// present or set to a different value, defaultValue (and a nil error) is returned.GetPreferenceOption(keypkey.Key, defaultValueptype.PreferenceOption) (ptype.PreferenceOption,error)// GetVisibility returns whether a UI element should be visible based on// the system's configuration.// If unconfigured, implementations should return [ptype.VisibleByPolicy]// and a nil error.GetVisibility(keypkey.Key) (ptype.Visibility,error)// SetDebugLoggingEnabled enables or disables debug logging for the policy client.SetDebugLoggingEnabled(enabledbool)// HasAnyOf returns whether at least one of the specified policy settings is// configured, or an error if no keys are provided or the check fails.HasAnyOf(keys ...pkey.Key) (bool,error)// RegisterChangeCallback registers a callback function that will be called// whenever a policy change is detected. It returns a function to unregister// the callback and an error if the registration fails.RegisterChangeCallback(cb func(PolicyChange)) (unregister func(), errerror)}

funcGet¶

func Get()Client

Get returns a non-nilClient implementation as a function of thebuild tags. It returns a no-op implementation if the full syspolicypackage is omitted from the build, or in tests.

type NoPolicyClient struct{}

func (NoPolicyClient)GetBoolean¶

func (NoPolicyClient) GetBoolean(keypkey.Key, defaultValuebool) (bool,error)

func (NoPolicyClient)GetDuration¶

func (NoPolicyClient) GetDuration(namepkey.Key, defaultValuetime.Duration) (time.Duration,error)

func (NoPolicyClient)GetPreferenceOption¶

func (NoPolicyClient) GetPreferenceOption(namepkey.Key, defaultValueptype.PreferenceOption) (ptype.PreferenceOption,error)

func (NoPolicyClient)GetString¶

func (NoPolicyClient) GetString(keypkey.Key, defaultValuestring) (string,error)

func (NoPolicyClient)GetStringArray¶

func (NoPolicyClient) GetStringArray(keypkey.Key, defaultValue []string) ([]string,error)

func (NoPolicyClient)GetUint64¶

func (NoPolicyClient) GetUint64(keypkey.Key, defaultValueuint64) (uint64,error)

func (NoPolicyClient)GetVisibility¶

func (NoPolicyClient) GetVisibility(namepkey.Key) (ptype.Visibility,error)

func (NoPolicyClient)HasAnyOf¶

func (NoPolicyClient) HasAnyOf(keys ...pkey.Key) (bool,error)

func (NoPolicyClient)RegisterChangeCallback¶

func (NoPolicyClient) RegisterChangeCallback(cb func(PolicyChange)) (unregister func(), errerror)

func (NoPolicyClient)SetDebugLoggingEnabled¶

func (NoPolicyClient) SetDebugLoggingEnabled(enabledbool)

type PolicyChange interface {// HasChanged reports whether the policy setting identified by the given key// has changed.HasChanged(pkey.Key)bool// HasChangedAnyOf reports whether any of the provided policy settings// changed in this change.HasChangedAnyOf(keys ...pkey.Key)bool}