forked from giantswarm/aws-operator
/
delete.go
67 lines (54 loc) · 1.92 KB
/
delete.go
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package loadbalancer
import (
"context"
"fmt"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/elb"
"github.com/giantswarm/microerror"
"github.com/giantswarm/operatorkit/framework"
)
func (r *Resource) ApplyDeleteChange(ctx context.Context, obj, deleteChange interface{}) error {
deleteInput, err := toLoadBalancerState(deleteChange)
if err != nil {
return microerror.Mask(err)
}
if deleteInput != nil && len(deleteInput.LoadBalancerNames) > 0 {
r.logger.LogCtx(ctx, "debug", fmt.Sprintf("deleting %d load balancers", len(deleteInput.LoadBalancerNames)))
for _, lbName := range deleteInput.LoadBalancerNames {
_, err := r.clients.ELB.DeleteLoadBalancer(&elb.DeleteLoadBalancerInput{
LoadBalancerName: aws.String(lbName),
})
if err != nil {
return microerror.Mask(err)
}
}
r.logger.LogCtx(ctx, "debug", fmt.Sprintf("deleted %d load balancers", len(deleteInput.LoadBalancerNames)))
} else {
r.logger.LogCtx(ctx, "debug", "not deleting load balancers because there aren't any")
}
return nil
}
func (r *Resource) NewDeletePatch(ctx context.Context, obj, currentState, desiredState interface{}) (*framework.Patch, error) {
delete, err := r.newDeleteChange(ctx, obj, currentState, desiredState)
if err != nil {
return nil, microerror.Mask(err)
}
patch := framework.NewPatch()
patch.SetDeleteChange(delete)
return patch, nil
}
func (r *Resource) newDeleteChange(ctx context.Context, obj, currentState, desiredState interface{}) (interface{}, error) {
currentLBState, err := toLoadBalancerState(currentState)
if err != nil {
return nil, microerror.Mask(err)
}
desiredLBState, err := toLoadBalancerState(desiredState)
if err != nil {
return nil, microerror.Mask(err)
}
var lbStateToDelete *LoadBalancerState
if desiredLBState == nil && currentLBState != nil && len(currentLBState.LoadBalancerNames) > 0 {
lbStateToDelete = currentLBState
}
return lbStateToDelete, nil
}