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package diff
import (
"github.com/kong/deck/crud"
"github.com/kong/deck/state"
"github.com/pkg/errors"
)
func (sc *Syncer) deleteConsumers() error {
currentConsumers, err := sc.currentState.Consumers.GetAll()
if err != nil {
return errors.Wrap(err, "error fetching consumers from state")
}
for _, consumer := range currentConsumers {
n, err := sc.deleteConsumer(consumer)
if err != nil {
return err
}
if n != nil {
err = sc.queueEvent(*n)
if err != nil {
return err
}
}
}
return nil
}
func (sc *Syncer) deleteConsumer(consumer *state.Consumer) (*Event, error) {
_, err := sc.targetState.Consumers.Get(*consumer.ID)
if err == state.ErrNotFound {
return &Event{
Op: crud.Delete,
Kind: "consumer",
Obj: consumer,
}, nil
}
if err != nil {
return nil, errors.Wrapf(err, "looking up consumer '%v'",
consumer.Identifier())
}
return nil, nil
}
func (sc *Syncer) createUpdateConsumers() error {
targetConsumers, err := sc.targetState.Consumers.GetAll()
if err != nil {
return errors.Wrap(err, "error fetching consumers from state")
}
for _, consumer := range targetConsumers {
n, err := sc.createUpdateConsumer(consumer)
if err != nil {
return err
}
if n != nil {
err = sc.queueEvent(*n)
if err != nil {
return err
}
}
}
return nil
}
func (sc *Syncer) createUpdateConsumer(consumer *state.Consumer) (*Event, error) {
consumerCopy := &state.Consumer{Consumer: *consumer.DeepCopy()}
currentConsumer, err := sc.currentState.Consumers.Get(*consumer.ID)
if err == state.ErrNotFound {
// consumer not present, create it
return &Event{
Op: crud.Create,
Kind: "consumer",
Obj: consumerCopy,
}, nil
}
if err != nil {
return nil, errors.Wrapf(err, "error looking up consumer %v",
consumer.Identifier())
}
// found, check if update needed
if !currentConsumer.EqualWithOpts(consumerCopy, false, true) {
return &Event{
Op: crud.Update,
Kind: "consumer",
Obj: consumerCopy,
OldObj: currentConsumer,
}, nil
}
return nil, nil
}
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