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package diff
import (
"github.com/kong/deck/crud"
"github.com/kong/deck/state"
"github.com/pkg/errors"
)
func (sc *Syncer) deleteRoutes() error {
currentRoutes, err := sc.currentState.Routes.GetAll()
if err != nil {
return errors.Wrap(err, "error fetching routes from state")
}
for _, route := range currentRoutes {
n, err := sc.deleteRoute(route)
if err != nil {
return err
}
if n != nil {
err = sc.queueEvent(*n)
if err != nil {
return err
}
}
}
return nil
}
func (sc *Syncer) deleteRoute(route *state.Route) (*Event, error) {
_, err := sc.targetState.Routes.Get(*route.ID)
if err == state.ErrNotFound {
return &Event{
Op: crud.Delete,
Kind: "route",
Obj: route,
}, nil
}
if err != nil {
return nil, errors.Wrapf(err, "looking up route '%v'",
route.Identifier())
}
return nil, nil
}
func (sc *Syncer) createUpdateRoutes() error {
targetRoutes, err := sc.targetState.Routes.GetAll()
if err != nil {
return errors.Wrap(err, "error fetching routes from state")
}
for _, route := range targetRoutes {
n, err := sc.createUpdateRoute(route)
if err != nil {
return err
}
if n != nil {
err = sc.queueEvent(*n)
if err != nil {
return err
}
}
}
return nil
}
func (sc *Syncer) createUpdateRoute(route *state.Route) (*Event, error) {
route = &state.Route{Route: *route.DeepCopy()}
currentRoute, err := sc.currentState.Routes.Get(*route.ID)
if err == state.ErrNotFound {
// route not present, create it
return &Event{
Op: crud.Create,
Kind: "route",
Obj: route,
}, nil
}
if err != nil {
return nil, errors.Wrapf(err, "error looking up route %v",
route.Identifier())
}
// found, check if update needed
if !currentRoute.EqualWithOpts(route, false, true, false) {
return &Event{
Op: crud.Update,
Kind: "route",
Obj: route,
OldObj: currentRoute,
}, nil
}
return nil, nil
}
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