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ec2_describe_security_groups.go

Describes your EC2 security groups.

/* Copyright 2010-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. This file is licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with the License. A copy of the License is located at http://aws.amazon.com/apache2.0/ This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package main import ( "fmt" "os" "path/filepath" "github.com/aws/aws-sdk-go/aws" "github.com/aws/aws-sdk-go/aws/awserr" "github.com/aws/aws-sdk-go/aws/session" "github.com/aws/aws-sdk-go/service/ec2" ) // Describes the security groups by IDs that are passed into the CLI. Takes // a space separated list of group IDs as input. // // Usage: // go run ec2_describe_security_groups.go groupId1 groupId2 ... func main() { if len(os.Args) < 2 { exitErrorf("Security Group ID required\nUsage: %s group_id ...", filepath.Base(os.Args[0])) } groupIds := os.Args[1:] // Initialize a session in us-west-2 that the SDK will use to load // credentials from the shared credentials file ~/.aws/credentials. sess, err := session.NewSession(&aws.Config{ Region: aws.String("us-west-2")}, ) // Create an EC2 service client. svc := ec2.New(sess) // Retrieve the security group descriptions result, err := svc.DescribeSecurityGroups(&ec2.DescribeSecurityGroupsInput{ GroupIds: aws.StringSlice(groupIds), }) if err != nil { if aerr, ok := err.(awserr.Error); ok { switch aerr.Code() { case "InvalidGroupId.Malformed": fallthrough case "InvalidGroup.NotFound": exitErrorf("%s.", aerr.Message()) } } exitErrorf("Unable to get descriptions for security groups, %v", err) } fmt.Println("Security Group:") for _, group := range result.SecurityGroups { fmt.Println(group) } } func exitErrorf(msg string, args ...interface{}) { fmt.Fprintf(os.Stderr, msg+"\n", args...) os.Exit(1) }

Sample Details

Service: ec2

Last tested: 2018-03-16

Author: Doug-AWS

Type: full-example

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