driftctl/pkg/remote/aws/iam_role_policy_attachment_...

112 lines
3.4 KiB
Go

package aws
import (
"github.com/aws/aws-sdk-go/service/iam"
"github.com/aws/aws-sdk-go/service/iam/iamiface"
remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
"github.com/cloudskiff/driftctl/pkg/remote/deserializer"
"github.com/cloudskiff/driftctl/pkg/resource"
resourceaws "github.com/cloudskiff/driftctl/pkg/resource/aws"
awsdeserializer "github.com/cloudskiff/driftctl/pkg/resource/aws/deserializer"
"github.com/cloudskiff/driftctl/pkg/terraform"
"github.com/sirupsen/logrus"
"github.com/zclconf/go-cty/cty"
)
type IamRolePolicyAttachmentSupplier struct {
reader terraform.ResourceReader
deserializer deserializer.CTYDeserializer
client iamiface.IAMAPI
runner *terraform.ParallelResourceReader
}
func NewIamRolePolicyAttachmentSupplier(provider *AWSTerraformProvider) *IamRolePolicyAttachmentSupplier {
return &IamRolePolicyAttachmentSupplier{
provider,
awsdeserializer.NewIamRolePolicyAttachmentDeserializer(),
iam.New(provider.session),
terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
}
}
func (s *IamRolePolicyAttachmentSupplier) Resources() ([]resource.Resource, error) {
roles, err := listIamRoles(s.client, resourceaws.AwsIamRolePolicyAttachmentResourceType)
if err != nil {
return nil, err
}
results := make([]cty.Value, 0)
if len(roles) > 0 {
attachedPolicies := make([]*attachedRolePolicy, 0)
for _, role := range roles {
roleName := *role.RoleName
if awsIamRoleShouldBeIgnored(roleName) {
continue
}
roleAttachmentList, err := listIamRolePoliciesAttachment(roleName, s.client)
if err != nil {
return nil, err
}
attachedPolicies = append(attachedPolicies, roleAttachmentList...)
}
for _, attachedPolicy := range attachedPolicies {
attached := *attachedPolicy
s.runner.Run(func() (cty.Value, error) {
return s.readRes(attached)
})
}
results, err = s.runner.Wait()
if err != nil {
return nil, err
}
}
return s.deserializer.Deserialize(results)
}
func (s *IamRolePolicyAttachmentSupplier) readRes(attachedPol attachedRolePolicy) (cty.Value, error) {
res, err := s.reader.ReadResource(
terraform.ReadResourceArgs{
Ty: resourceaws.AwsIamRolePolicyAttachmentResourceType,
ID: *attachedPol.PolicyName,
Attributes: map[string]string{
"role": attachedPol.RoleName,
"policy_arn": *attachedPol.PolicyArn,
},
},
)
if err != nil {
logrus.Warnf("Error reading iam role policy attachment %s[%s]: %+v", attachedPol, resourceaws.AwsIamRolePolicyAttachmentResourceType, err)
return cty.NilVal, err
}
return *res, nil
}
func listIamRolePoliciesAttachment(roleName string, client iamiface.IAMAPI) ([]*attachedRolePolicy, error) {
var attachedRolePolicies []*attachedRolePolicy
input := &iam.ListAttachedRolePoliciesInput{
RoleName: &roleName,
}
err := client.ListAttachedRolePoliciesPages(input, func(res *iam.ListAttachedRolePoliciesOutput, lastPage bool) bool {
for _, policy := range res.AttachedPolicies {
attachedRolePolicies = append(attachedRolePolicies, &attachedRolePolicy{
AttachedPolicy: *policy,
RoleName: roleName,
})
}
return !lastPage
})
if err != nil {
return nil, remoteerror.NewResourceEnumerationErrorWithType(err, resourceaws.AwsIamRolePolicyAttachmentResourceType, resourceaws.AwsIamRolePolicyResourceType)
}
return attachedRolePolicies, nil
}
type attachedRolePolicy struct {
iam.AttachedPolicy
RoleName string
}