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iam_role.go
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/
iam_role.go
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package operation
import (
"context"
"runtime"
"github.com/aws/aws-sdk-go-v2/service/cloudformation/types"
"github.com/go-to-k/delstack/pkg/client"
"golang.org/x/sync/errgroup"
"golang.org/x/sync/semaphore"
)
var _ IOperator = (*IamRoleOperator)(nil)
type IamRoleOperator struct {
client client.IIam
resources []*types.StackResourceSummary
}
func NewIamRoleOperator(client client.IIam) *IamRoleOperator {
return &IamRoleOperator{
client: client,
resources: []*types.StackResourceSummary{},
}
}
func (o *IamRoleOperator) AddResource(resource *types.StackResourceSummary) {
o.resources = append(o.resources, resource)
}
func (o *IamRoleOperator) GetResourcesLength() int {
return len(o.resources)
}
func (o *IamRoleOperator) DeleteResources(ctx context.Context) error {
eg, ctx := errgroup.WithContext(ctx)
sem := semaphore.NewWeighted(int64(runtime.NumCPU()))
for _, role := range o.resources {
role := role
if err := sem.Acquire(ctx, 1); err != nil {
return err
}
eg.Go(func() error {
defer sem.Release(1)
return o.DeleteIamRole(ctx, role.PhysicalResourceId)
})
}
return eg.Wait()
}
func (o *IamRoleOperator) DeleteIamRole(ctx context.Context, roleName *string) error {
exists, err := o.client.CheckRoleExists(ctx, roleName)
if err != nil {
return err
}
if !exists {
return nil
}
policies, err := o.client.ListAttachedRolePolicies(ctx, roleName)
if err != nil {
return err
}
if len(policies) > 0 {
if err := o.client.DetachRolePolicies(ctx, roleName, policies); err != nil {
return err
}
}
if err := o.client.DeleteRole(ctx, roleName); err != nil {
return err
}
return nil
}