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policy_attachment.go
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policy_attachment.go
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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package iot
import (
"context"
"fmt"
"log"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/iot"
"github.com/hashicorp/aws-sdk-go-base/v2/awsv1shim/v2/tfawserr"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"github.com/hashicorp/terraform-provider-aws/internal/conns"
"github.com/hashicorp/terraform-provider-aws/internal/errs/sdkdiag"
)
// @SDKResource("aws_iot_policy_attachment")
func ResourcePolicyAttachment() *schema.Resource {
return &schema.Resource{
CreateWithoutTimeout: resourcePolicyAttachmentCreate,
ReadWithoutTimeout: resourcePolicyAttachmentRead,
DeleteWithoutTimeout: resourcePolicyAttachmentDelete,
Schema: map[string]*schema.Schema{
"policy": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"target": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
},
}
}
func resourcePolicyAttachmentCreate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
var diags diag.Diagnostics
conn := meta.(*conns.AWSClient).IoTConn(ctx)
policyName := d.Get("policy").(string)
target := d.Get("target").(string)
_, err := conn.AttachPolicyWithContext(ctx, &iot.AttachPolicyInput{
PolicyName: aws.String(policyName),
Target: aws.String(target),
})
if err != nil {
return sdkdiag.AppendErrorf(diags, "attaching policy %s to target %s: %s", policyName, target, err)
}
d.SetId(fmt.Sprintf("%s|%s", policyName, target))
return append(diags, resourcePolicyAttachmentRead(ctx, d, meta)...)
}
func ListPolicyAttachmentPages(ctx context.Context, conn *iot.IoT, input *iot.ListAttachedPoliciesInput,
fn func(out *iot.ListAttachedPoliciesOutput, lastPage bool) bool) error {
for {
page, err := conn.ListAttachedPoliciesWithContext(ctx, input)
if err != nil {
return err
}
lastPage := page.NextMarker == nil
shouldContinue := fn(page, lastPage)
if !shouldContinue || lastPage {
break
}
input.Marker = page.NextMarker
}
return nil
}
func GetPolicyAttachment(ctx context.Context, conn *iot.IoT, target, policyName string) (*iot.Policy, error) {
var policy *iot.Policy
input := &iot.ListAttachedPoliciesInput{
PageSize: aws.Int64(250),
Recursive: aws.Bool(false),
Target: aws.String(target),
}
err := ListPolicyAttachmentPages(ctx, conn, input, func(out *iot.ListAttachedPoliciesOutput, lastPage bool) bool {
for _, att := range out.Policies {
if policyName == aws.StringValue(att.PolicyName) {
policy = att
return false
}
}
return true
})
return policy, err
}
func resourcePolicyAttachmentRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
var diags diag.Diagnostics
conn := meta.(*conns.AWSClient).IoTConn(ctx)
policyName := d.Get("policy").(string)
target := d.Get("target").(string)
var policy *iot.Policy
policy, err := GetPolicyAttachment(ctx, conn, target, policyName)
if err != nil {
return sdkdiag.AppendErrorf(diags, "listing policy attachments for target %s: %s", target, err)
}
if policy == nil {
log.Printf("[WARN] IOT Policy Attachment (%s) not found, removing from state", d.Id())
d.SetId("")
return diags
}
return diags
}
func resourcePolicyAttachmentDelete(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
var diags diag.Diagnostics
conn := meta.(*conns.AWSClient).IoTConn(ctx)
policyName := d.Get("policy").(string)
target := d.Get("target").(string)
_, err := conn.DetachPolicyWithContext(ctx, &iot.DetachPolicyInput{
PolicyName: aws.String(policyName),
Target: aws.String(target),
})
// DetachPolicy doesn't return an error if the policy doesn't exist,
// but it returns an error if the Target is not found.
if tfawserr.ErrMessageContains(err, iot.ErrCodeInvalidRequestException, "Invalid Target") {
log.Printf("[WARN] IOT target (%s) not found, removing attachment to policy (%s) from state", target, policyName)
return diags
}
if err != nil {
return sdkdiag.AppendErrorf(diags, "detaching policy %s from target %s: %s", policyName, target, err)
}
return diags
}