cloudfoundry-incubator/stratos

package interfaces

import (
    "github.com/govau/cf-common/env"
)

// StratosPlugin is the interface for a Jetstream plugin
type StratosPlugin interface {
    Init() error
    GetMiddlewarePlugin() (MiddlewarePlugin, error)
    GetEndpointPlugin() (EndpointPlugin, error)
    GetRoutePlugin() (RoutePlugin, error)
}

// JetstreamConfigInit is the function signature for the config plugin init function
type JetstreamConfigInit func(*env.VarSet, *PortalConfig)

// JetstreamConfigPlugins is the array of config plugins
var JetstreamConfigPlugins []JetstreamConfigInit

// RegisterJetstreamConfigPlugin registers a new config plugin
func RegisterJetstreamConfigPlugin(plugin JetstreamConfigInit) {
    JetstreamConfigPlugins = append(JetstreamConfigPlugins, plugin)
}

// i is the interface for a Jetstream plugin
type EndpointNotificationPlugin interface {
    OnEndpointNotification(EndpointAction, *CNSIRecord)
}

// StratosPluginCleanup is interface a plugin can implement if it wants to cleanup on exit
type StratosPluginCleanup interface {
    Destroy()
}

type PluginInit func(portalProxy PortalProxy) (StratosPlugin, error)

type PluginRegistration struct {
    Name         string
    Dependencies []string
    Init         PluginInit
}

// Init functions for plugins
var PluginInits map[string]PluginRegistration

// Plugin registration

func AddPlugin(name string, depends []string, init PluginInit) {

    pluginReg := PluginRegistration{
        Name:         name,
        Dependencies: depends,
        Init:         init,
    }

    if PluginInits == nil {
        PluginInits = make(map[string]PluginRegistration)
    }
    PluginInits[pluginReg.Name] = pluginReg
}