GetPolicyv2
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Source code
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX - License - Identifier: Apache - 2.0
package main
import (
"context"
"flag"
"fmt"
"github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/service/iam"
)
// IAMGetPolicyAPI defines the interface for the GetPolicy function.
// We use this interface to test the function using a mocked service.
type IAMGetPolicyAPI interface {
GetPolicy(ctx context.Context,
params *iam.GetPolicyInput,
optFns ...func(*iam.Options)) (*iam.GetPolicyOutput, error)
}
// GetPolicyDescription retrieves the description of the AWS Identity and Access Management (IAM) policy with the specified ARN.
// Inputs:
// c is the context of the method call, which includes the AWS Region.
// api is the interface that defines the method call.
// input defines the input arguments to the service call.
// Output:
// If successful, a GetPolicyOutput object containing the result of the service call and nil.
// Otherwise, nil and an error from the call to GetPolicy.
func GetPolicyDescription(c context.Context, api IAMGetPolicyAPI, input *iam.GetPolicyInput) (*iam.GetPolicyOutput, error) {
return api.GetPolicy(c, input)
}
func main() {
policyArn := flag.String("a", "", "The ARN of the policy to retrieve")
flag.Parse()
if *policyArn == "" {
fmt.Println("You must supply the ARN of the policy to retrieve (-a POLICY-ARN)")
return
}
cfg, err := config.LoadDefaultConfig(context.TODO())
if err != nil {
panic("configuration error, " + err.Error())
}
client := iam.NewFromConfig(cfg)
input := &iam.GetPolicyInput{
PolicyArn: policyArn,
}
result, err := GetPolicyDescription(context.TODO(), client, input)
if err != nil {
fmt.Println("Got an error retrieving the description:")
fmt.Println(err)
return
}
description := ""
if nil == result.Policy {
description = "Policy nil"
} else {
if nil == result.Policy.Description {
description = "Description nil"
} else {
description = *result.Policy.Description
}
}
fmt.Println("Description:")
fmt.Println(description)
}
See the complete example in GitHub.
Last modified January 15, 2021: Code Example Highlighting, Vairous Documentation Fixes (#1045) (495b900)