driftctl/pkg/remote/aws/iam_user_policy_attachment_...

103 lines
3.1 KiB
Go

package aws
import (
"github.com/aws/aws-sdk-go/service/iam"
"github.com/aws/aws-sdk-go/service/iam/iamiface"
"github.com/cloudskiff/driftctl/pkg"
"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 IamUserPolicyAttachmentSupplier struct {
reader terraform.ResourceReader
deserializer deserializer.CTYDeserializer
client iamiface.IAMAPI
runner *terraform.ParallelResourceReader
}
func NewIamUserPolicyAttachmentSupplier(runner *pkg.ParallelRunner, client iamiface.IAMAPI) *IamUserPolicyAttachmentSupplier {
return &IamUserPolicyAttachmentSupplier{terraform.Provider(terraform.AWS), awsdeserializer.NewIamUserPolicyAttachmentDeserializer(), client, terraform.NewParallelResourceReader(runner)}
}
func (s IamUserPolicyAttachmentSupplier) Resources() ([]resource.Resource, error) {
users, err := listIamUsers(s.client)
if err != nil {
return nil, err
}
results := make([]cty.Value, 0)
if len(users) > 0 {
attachedPolicies := make([]*attachedUserPolicy, 0)
for _, user := range users {
userName := *user.UserName
policyAttachmentList, err := listIamUserPoliciesAttachment(userName, s.client)
if err != nil {
return nil, err
}
attachedPolicies = append(attachedPolicies, policyAttachmentList...)
}
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 IamUserPolicyAttachmentSupplier) readRes(attachedPol attachedUserPolicy) (cty.Value, error) {
res, err := s.reader.ReadResource(
terraform.ReadResourceArgs{
Ty: resourceaws.AwsIamUserPolicyAttachmentResourceType,
ID: *attachedPol.PolicyName,
Attributes: map[string]string{
"user": attachedPol.Username,
"policy_arn": *attachedPol.PolicyArn,
},
},
)
if err != nil {
logrus.Warnf("Error reading iam user policy attachment %s[%s]: %+v", attachedPol, resourceaws.AwsIamUserPolicyAttachmentResourceType, err)
return cty.NilVal, err
}
return *res, nil
}
func listIamUserPoliciesAttachment(username string, client iamiface.IAMAPI) ([]*attachedUserPolicy, error) {
var attachedUserPolicies []*attachedUserPolicy
input := &iam.ListAttachedUserPoliciesInput{
UserName: &username,
}
err := client.ListAttachedUserPoliciesPages(input, func(res *iam.ListAttachedUserPoliciesOutput, lastPage bool) bool {
for _, policy := range res.AttachedPolicies {
attachedUserPolicies = append(attachedUserPolicies, &attachedUserPolicy{
AttachedPolicy: *policy,
Username: username,
})
}
return !lastPage
})
if err != nil {
return nil, err
}
return attachedUserPolicies, nil
}
type attachedUserPolicy struct {
iam.AttachedPolicy
Username string
}