application

type ApplicationAPI interface {
	AddMachines(machineParams []apiparams.AddMachineParams) ([]apiparams.AddMachinesResult, error)
	AddRelation(endpoints ...string) (*apiparams.AddRelationResults, error)
	AddUnits(application string, numUnits int, placement []*instance.Placement) ([]string, error)
	Expose(application string) error
	GetCharmURL(serviceName string) (*charm.URL, error)
	SetAnnotation(annotations map[string]map[string]string) ([]apiparams.ErrorResult, error)
	SetCharm(application.SetCharmConfig) error
	SetConstraints(application string, constraints constraints.Value) error
	Update(apiparams.ApplicationUpdate) error
}

type ApplicationAddRelationAPI interface {
	Close() error
	AddRelation(endpoints ...string) (*params.AddRelationResults, error)
}

type ApplicationDestroyRelationAPI interface {
	Close() error
	DestroyRelation(endpoints ...string) error
}

type CharmAdder interface {
	AddLocalCharm(*charm.URL, charm.Charm) (*charm.URL, error)
	AddCharm(*charm.URL, params.Channel) error
	AddCharmWithAuthorization(*charm.URL, params.Channel, *macaroon.Macaroon) error
	AuthorizeCharmstoreEntity(*charm.URL) (*macaroon.Macaroon, error)
}

type CharmClient interface {
	CharmInfo(string) (*charms.CharmInfo, error)
}

type CharmUpgradeClient interface {
	GetCharmURL(string) (*charm.URL, error)
	SetCharm(application.SetCharmConfig) error
}

type DeployAPI interface {
	// TODO(katco): Pair DeployAPI down to only the methods required
	// by the deploy command.
	api.Connection
	CharmAdder
	MeteredDeployAPI
	ApplicationAPI
	ModelAPI

	// ApplicationClient
	CharmInfo(string) (*apicharms.CharmInfo, error)
	Deploy(application.DeployArgs) error
	Status(patterns []string) (*apiparams.FullStatus, error)

	Resolve(*config.Config, *charm.URL) (*charm.URL, params.Channel, []string, error)

	GetBundle(*charm.URL) (charm.Bundle, error)

	WatchAll() (*api.AllWatcher, error)
}

type DeployCommand struct {
	modelcmd.ModelCommandBase
	UnitCommandBase

	// CharmOrBundle is either a charm URL, a path where a charm can be found,
	// or a bundle name.
	CharmOrBundle string

	// Channel holds the charmstore channel to use when obtaining
	// the charm to be deployed.
	Channel params.Channel

	// Series is the series of the charm to deploy.
	Series string

	// Force is used to allow a charm to be deployed onto a machine
	// running an unsupported series.
	Force bool

	ApplicationName string
	Config          cmd.FileVar
	ConstraintsStr  string
	Constraints     constraints.Value
	BindToSpaces    string

	// TODO(axw) move this to UnitCommandBase once we support --storage
	// on add-unit too.
	//
	// Storage is a map of storage constraints, keyed on the storage name
	// defined in charm storage metadata.
	Storage map[string]storage.Constraints

	// BundleStorage maps application names to maps of storage constraints keyed on
	// the storage name defined in that application's charm storage metadata.
	BundleStorage map[string]map[string]storage.Constraints

	// Resources is a map of resource name to filename to be uploaded on deploy.
	Resources map[string]string

	Bindings map[string]string
	Steps    []DeployStep

	// NewAPIRoot stores a function which returns a new API root.
	NewAPIRoot NewAPIRootFn
	// contains filtered or unexported fields
}

type DeployStep interface {

	// Set flags necessary for the deploy step.
	SetFlags(*gnuflag.FlagSet)

	// RunPre runs before the call is made to add the charm to the environment.
	RunPre(MeteredDeployAPI, *httpbakery.Client, *cmd.Context, DeploymentInfo) error

	// RunPost runs after the call is made to add the charm to the environment.
	// The error parameter is used to notify the step of a previously occurred error.
	RunPost(MeteredDeployAPI, *httpbakery.Client, *cmd.Context, DeploymentInfo, error) error
}

type DeploymentInfo struct {
	CharmID         charmstore.CharmID
	ApplicationName string
	ModelUUID       string
	CharmInfo       *apicharms.CharmInfo
}

type MeteredDeployAPI interface {
	IsMetered(charmURL string) (bool, error)
	SetMetricCredentials(service string, credentials []byte) error
}

type ModelAPI interface {
	ModelUUID() (string, bool)
	ModelGet() (map[string]interface{}, error)
}

type ModelConfigGetter interface {
	ModelGet() (map[string]interface{}, error)
}

type NewAPIRootFn func() (DeployAPI, error)

type NewCharmAdderFunc func(
	api.Connection,
	*httpbakery.Client,
	csclientparams.Channel,
) CharmAdder

type RegisterMeteredCharm struct {
	AllocationSpec string
	Plan           string
	RegisterURL    string
	QueryURL       string
	// contains filtered or unexported fields
}

type ResolveCharmFunc func(
	resolveWithChannel func(*charm.URL) (*charm.URL, csparams.Channel, []string, error),
	conf *config.Config,
	url *charm.URL,
) (*charm.URL, csparams.Channel, []string, error)

type ResourceLister interface {
	ListResources([]string) ([]resource.ServiceResources, error)
}

type ServiceAPI interface {
	Close() error
	Destroy(serviceName string) error
	DestroyUnits(unitNames ...string) error
	GetCharmURL(serviceName string) (*charm.URL, error)
	ModelUUID() string
}

type UnitCommandBase struct {
	// PlacementSpec is the raw string command arg value used to specify placement directives.
	PlacementSpec string
	// Placement is the result of parsing the PlacementSpec arg value.
	Placement []*instance.Placement
	NumUnits  int
}