/
apiaddresser.go
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/
apiaddresser.go
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// Copyright 2014 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package common
import (
"github.com/juju/juju/api/base"
apiwatcher "github.com/juju/juju/api/watcher"
"github.com/juju/juju/core/network"
"github.com/juju/juju/core/watcher"
"github.com/juju/juju/rpc/params"
)
// APIAddresser provides common client-side API
// functions to call into apiserver.common.APIAddresser
type APIAddresser struct {
facade base.FacadeCaller
}
// NewAPIAddresser returns a new APIAddresser that makes API calls
// using caller and the specified facade name.
func NewAPIAddresser(facade base.FacadeCaller) *APIAddresser {
return &APIAddresser{
facade: facade,
}
}
// APIAddresses returns the list of addresses used to connect to the API.
func (a *APIAddresser) APIAddresses() ([]string, error) {
var result params.StringsResult
err := a.facade.FacadeCall("APIAddresses", nil, &result)
if err != nil {
return nil, err
}
if err := result.Error; err != nil {
return nil, err
}
return result.Result, nil
}
// APIHostPorts returns the host/port addresses of the API servers.
func (a *APIAddresser) APIHostPorts() ([]network.ProviderHostPorts, error) {
var result params.APIHostPortsResult
err := a.facade.FacadeCall("APIHostPorts", nil, &result)
if err != nil {
return nil, err
}
return params.ToProviderHostsPorts(result.Servers), nil
}
// WatchAPIHostPorts watches the host/port addresses of the API servers.
func (a *APIAddresser) WatchAPIHostPorts() (watcher.NotifyWatcher, error) {
var result params.NotifyWatchResult
err := a.facade.FacadeCall("WatchAPIHostPorts", nil, &result)
if err != nil {
return nil, err
}
return apiwatcher.NewNotifyWatcher(a.facade.RawAPICaller(), result), nil
}