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package diff
import (
"github.com/kong/deck/crud"
"github.com/kong/deck/state"
"github.com/pkg/errors"
)
func (sc *Syncer) deleteTargets() error {
currentTargets, err := sc.currentState.Targets.GetAll()
if err != nil {
return errors.Wrap(err, "error fetching targets from state")
}
for _, target := range currentTargets {
n, err := sc.deleteTarget(target)
if err != nil {
return err
}
if n != nil {
err = sc.queueEvent(*n)
if err != nil {
return err
}
}
}
return nil
}
func (sc *Syncer) deleteTarget(target *state.Target) (*Event, error) {
_, err := sc.targetState.Targets.Get(*target.Upstream.ID,
*target.Target.ID)
if err == state.ErrNotFound {
return &Event{
Op: crud.Delete,
Kind: "target",
Obj: target,
}, nil
}
if err != nil {
return nil, errors.Wrapf(err, "looking up target '%v'",
*target.Target.Target)
}
return nil, nil
}
func (sc *Syncer) createUpdateTargets() error {
targetTargets, err := sc.targetState.Targets.GetAll()
if err != nil {
return errors.Wrap(err, "error fetching targets from state")
}
for _, target := range targetTargets {
n, err := sc.createUpdateTarget(target)
if err != nil {
return err
}
if n != nil {
err = sc.queueEvent(*n)
if err != nil {
return err
}
}
}
return nil
}
func (sc *Syncer) createUpdateTarget(target *state.Target) (*Event, error) {
target = &state.Target{Target: *target.DeepCopy()}
currentTarget, err := sc.currentState.Targets.Get(*target.Upstream.ID,
*target.Target.ID)
if err == state.ErrNotFound {
// target not present, create it
return &Event{
Op: crud.Create,
Kind: "target",
Obj: target,
}, nil
}
if err != nil {
return nil, errors.Wrapf(err, "error looking up target %v",
*target.Target.Target)
}
// found, check if update needed
if !currentTarget.EqualWithOpts(target, false, true, false) {
return &Event{
Op: crud.Update,
Kind: "target",
Obj: target,
OldObj: currentTarget,
}, nil
}
return nil, nil
}
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