app

package
v3.0.1 Latest Latest
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 Go to latest Published: Aug 8, 2022 License: Apache-2.0, BSD-2-Clause Imports: 16 Imported by: 0

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Index

Constants

View Source 
const (
	DefaultFlagSetName = "appConfig"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type App 

type App struct {
	// contains filtered or unexported fields
}

func New 

func New(name string, version string, optionalOptions ...AppOption) *App

func (*App) AdditionalConfigs 

func (a *App) AdditionalConfigs() map[string]*configuration.Configuration

func (*App) AdditionalFlagSets 

func (a *App) AdditionalFlagSets() map[string]*flag.FlagSet

func (*App) Config 

func (a *App) Config() *configuration.Configuration

func (*App) Daemon 

func (a *App) Daemon() daemon.Daemon

func (*App) FlagSet 

func (a *App) FlagSet() *flag.FlagSet

func (*App) ForEachCoreComponent 

func (a *App) ForEachCoreComponent(f CoreComponentForEachFunc)

ForEachCoreComponent calls the given CoreComponentForEachFunc on each loaded core components.

func (*App) ForEachPlugin 

func (n *App) ForEachPlugin(f PluginForEachFunc)

ForEachPlugin calls the given PluginForEachFunc on each loaded plugin.

func (*App) Info 

func (a *App) Info() *AppInfo

func (*App) IsPluginSkipped 

func (a *App) IsPluginSkipped(plugin *Plugin) bool

IsPluginSkipped returns whether the plugin is loaded or skipped.

func (*App) LogDebug 

func (a *App) LogDebug(args ...interface{})

LogDebug uses fmt.Sprint to construct and log a message.

func (*App) LogDebugf 

func (a *App) LogDebugf(template string, args ...interface{})

LogDebugf uses fmt.Sprintf to log a templated message.

func (*App) LogError 

func (a *App) LogError(args ...interface{})

LogError uses fmt.Sprint to construct and log a message.

func (*App) LogErrorAndExit 

func (a *App) LogErrorAndExit(args ...interface{})

LogErrorAndExit uses fmt.Sprint to construct and log a message, then calls os.Exit.

func (*App) LogErrorf 

func (a *App) LogErrorf(template string, args ...interface{})

LogErrorf uses fmt.Sprintf to log a templated message.

func (*App) LogErrorfAndExit 

func (a *App) LogErrorfAndExit(template string, args ...interface{})

LogErrorfAndExit uses fmt.Sprintf to log a templated message, then calls os.Exit.

func (*App) LogFatalAndExit 

func (a *App) LogFatalAndExit(args ...interface{})

LogFatalAndExit uses fmt.Sprint to construct and log a message, then calls os.Exit.

func (*App) LogFatalfAndExit 

func (a *App) LogFatalfAndExit(template string, args ...interface{})

LogFatalfAndExit uses fmt.Sprintf to log a templated message, then calls os.Exit.

func (*App) LogInfo 

func (a *App) LogInfo(args ...interface{})

LogInfo uses fmt.Sprint to construct and log a message.

func (*App) LogInfof 

func (a *App) LogInfof(template string, args ...interface{})

LogInfof uses fmt.Sprintf to log a templated message.

func (*App) LogPanic 

func (a *App) LogPanic(args ...interface{})

LogPanic uses fmt.Sprint to construct and log a message, then panics.

func (*App) LogPanicf 

func (a *App) LogPanicf(template string, args ...interface{})

LogPanicf uses fmt.Sprintf to log a templated message, then panics.

func (*App) LogWarn 

func (a *App) LogWarn(args ...interface{})

LogWarn uses fmt.Sprint to construct and log a message.

func (*App) LogWarnf 

func (a *App) LogWarnf(template string, args ...interface{})

LogWarnf uses fmt.Sprintf to log a templated message.

func (*App) Parameters 

func (a *App) Parameters() *ParametersApp

func (*App) Run 

func (a *App) Run()

func (*App) Shutdown 

func (a *App) Shutdown()

func (*App) Start 

func (a *App) Start()

type AppInfo 

type AppInfo struct {
	Name                string
	Version             string
	LatestGitHubVersion string
}

AppInfo provides informations about the app.

type AppOption 

type AppOption func(opts *AppOptions)

AppOption is a function setting a AppOptions option.

func WithCoreComponents 

func WithCoreComponents(coreComponents ...*CoreComponent) AppOption

WithCoreComponents sets the core components.

func WithDaemon 

func WithDaemon(daemon daemon.Daemon) AppOption

WithDaemon sets the used daemon.

func WithInitComponent 

func WithInitComponent(initComponent *InitComponent) AppOption

WithInitComponent sets the init component.

func WithPlugins 

func WithPlugins(plugins ...*Plugin) AppOption

WithPlugins sets the plugins.

func WithUsageText 

func WithUsageText(usageText string) AppOption

WithUsageText overwrites the default usage text of the app.

func WithVersionCheck 

func WithVersionCheck(owner string, repository string) AppOption

WithVersionCheck enables the GitHub version check.

type AppOptions 

type AppOptions struct {
	// contains filtered or unexported fields
}

AppOptions defines options for an App.

type Callback 

type Callback func() error

Callback is a function called without any arguments.

type Component 

type Component struct {
	// A reference to the App instance.
	App *App
	// The name of the component.
	Name string
	// The config parameters for this component.
	Params *ComponentParams
	// The function to call to initialize the component dependencies.
	DepsFunc interface{}
	// InitConfigPars gets called in the init stage of app initialization.
	// This can be used to provide config parameters even if the component is disabled.
	InitConfigPars InitConfigParsFunc
	// PreProvide gets called before the provide stage of app initialization.
	// This can be used to force disable other components before they get initialized.
	PreProvide PreProvideFunc
	// Provide gets called in the provide stage of app initialization (enabled components only).
	Provide ProvideFunc
	// Configure gets called in the configure stage of app initialization (enabled components only).
	Configure Callback
	// Run gets called in the run stage of app initialization (enabled components only).
	Run Callback
	// contains filtered or unexported fields
}

Component is something which extends the App's capabilities.

func (*Component) Daemon 

func (c *Component) Daemon() daemon.Daemon

func (*Component) Identifier 

func (c *Component) Identifier() string

func (*Component) LogDebug 

func (c *Component) LogDebug(args ...interface{})

LogDebug uses fmt.Sprint to construct and log a message.

func (*Component) LogDebugf 

func (c *Component) LogDebugf(template string, args ...interface{})

LogDebugf uses fmt.Sprintf to log a templated message.

func (*Component) LogError 

func (c *Component) LogError(args ...interface{})

LogError uses fmt.Sprint to construct and log a message.

func (*Component) LogErrorAndExit 

func (c *Component) LogErrorAndExit(args ...interface{})

LogErrorAndExit uses fmt.Sprint to construct and log a message, then calls os.Exit.

func (*Component) LogErrorf 

func (c *Component) LogErrorf(template string, args ...interface{})

LogErrorf uses fmt.Sprintf to log a templated message.

func (*Component) LogErrorfAndExit 

func (c *Component) LogErrorfAndExit(template string, args ...interface{})

LogErrorfAndExit uses fmt.Sprintf to log a templated message, then calls os.Exit.

func (*Component) LogFatalAndExit 

func (c *Component) LogFatalAndExit(args ...interface{})

LogFatalAndExit uses fmt.Sprint to construct and log a message, then calls os.Exit.

func (*Component) LogFatalfAndExit 

func (c *Component) LogFatalfAndExit(template string, args ...interface{})

LogFatalfAndExit uses fmt.Sprintf to log a templated message, then calls os.Exit.

func (*Component) LogInfo 

func (c *Component) LogInfo(args ...interface{})

LogInfo uses fmt.Sprint to construct and log a message.

func (*Component) LogInfof 

func (c *Component) LogInfof(template string, args ...interface{})

LogInfof uses fmt.Sprintf to log a templated message.

func (*Component) LogPanic 

func (c *Component) LogPanic(args ...interface{})

LogPanic uses fmt.Sprint to construct and log a message, then panics.

func (*Component) LogPanicf 

func (c *Component) LogPanicf(template string, args ...interface{})

LogPanicf uses fmt.Sprintf to log a templated message, then panics.

func (*Component) LogWarn 

func (c *Component) LogWarn(args ...interface{})

LogWarn uses fmt.Sprint to construct and log a message.

func (*Component) LogWarnf 

func (c *Component) LogWarnf(template string, args ...interface{})

LogWarnf uses fmt.Sprintf to log a templated message.

func (*Component) Logger 

func (c *Component) Logger() *logger.Logger

Logger instantiates and returns a logger with the name of the component.

type ComponentParams 

type ComponentParams struct {
	// Handler to add configuration parameters to the default config.
	Params map[string]any
	// Handler to add configuration parameters to the additional configs.
	AdditionalParams map[string]map[string]any
	// The configuration values to mask.
	Masked []string
}

ComponentParams defines the parameters configuration of a component.

type ConfigurationSet 

type ConfigurationSet struct {
	// contains filtered or unexported fields
}

func NewConfigurationSet 

func NewConfigurationSet(
	configName string,
	filePathFlagName string,
	filePathFlagProvideName string,
	flagSetName string,
	loadOnlyIfFlagDefined bool,
	loadFlagSet bool,
	loadEnvVars bool,
	defaultConfigPath string,
	shortHand string) *ConfigurationSet

type ConfigurationSets 

type ConfigurationSets []*ConfigurationSet

func (ConfigurationSets) ConfigsMap 

func (c ConfigurationSets) ConfigsMap() map[string]*configuration.Configuration

func (ConfigurationSets) FlagSets 

func (c ConfigurationSets) FlagSets() []*flag.FlagSet

func (ConfigurationSets) FlagSetsMap 

func (c ConfigurationSets) FlagSetsMap() map[string]*flag.FlagSet

type CoreComponent 

type CoreComponent struct {
	*Component
}

CoreComponent is a component essential for app operation. It can not be disabled.

type CoreComponentForEachFunc 

type CoreComponentForEachFunc func(coreComponent *CoreComponent) bool

CoreComponentForEachFunc is used in ForEachCoreComponent. Returning false indicates to stop looping.

type InitComponent 

type InitComponent struct {
	*Component

	NonHiddenFlags []string
	// Init gets called in the initialization stage of the app.
	Init InitFunc
	// The additional configs this InitComponent brings to the app.
	AdditionalConfigs []*ConfigurationSet
}

InitComponent is the module initializing configuration of the app. An App can only have one of such modules.

type InitConfig 

type InitConfig struct {
	EnabledPlugins  []string
	DisabledPlugins []string
	// contains filtered or unexported fields
}

InitConfig describes the result of a app initialization.

func (*InitConfig) ForceDisableComponent 

func (ic *InitConfig) ForceDisableComponent(identifier string)

ForceDisableComponent is used to force disable components before the provide stage.

type InitConfigParsFunc 

type InitConfigParsFunc func(c *dig.Container) error

InitConfigParsFunc gets called with a dig.Container.

type InitFunc 

type InitFunc func(application *App) error

InitFunc gets called as the initialization function of the app.

type ParametersApp 

type ParametersApp struct {
	CheckForUpdates bool     `default:"true" usage:"whether to check for updates of the application or not"`
	DisablePlugins  []string `default:"" usage:"a list of plugins that shall be disabled"`
	EnablePlugins   []string `default:"" usage:"a list of plugins that shall be enabled"`
}

type Plugin 

type Plugin struct {
	*Component
	// The status of the plugin.
	Status PluginStatus
}

type PluginForEachFunc 

type PluginForEachFunc func(plugin *Plugin) bool

PluginForEachFunc is used in ForEachPlugin. Returning false indicates to stop looping.

type PluginStatus 

type PluginStatus int
const (
	StatusDisabled PluginStatus = iota
	StatusEnabled
)

type PreProvideFunc 

type PreProvideFunc func(c *dig.Container, application *App, initConf *InitConfig) error

PreProvideFunc gets called with a dig.Container, the configs the InitComponent brings to the app and the InitConfig.

type ProvideFunc 

type ProvideFunc func(c *dig.Container) error

ProvideFunc gets called with a dig.Container.

Source Files

View all Source files

Directories

Path Synopsis
core
shutdown
plugins
profiling

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