DescribeVpcEndpointsv2
DescribeVpcEndpointsv2.go
This example retrieves information about your VPC endpoint connections.
go run DescribeVpcEndpointsv2.go [-r REGION]
- REGION is the region to get the endpoints from. This value is us-west-2 by default.
Source code
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package main
import (
"context"
"encoding/json"
"flag"
"fmt"
"strconv"
"github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/service/ec2"
)
// EC2DescribeVpcEndpointConnectionsAPI defines the interface for the DescribeVpcEndpointConnections function.
// We use this interface to test the function using a mocked service.
type EC2DescribeVpcEndpointConnectionsAPI interface {
DescribeVpcEndpointConnections(ctx context.Context,
params *ec2.DescribeVpcEndpointConnectionsInput,
optFns ...func(*ec2.Options)) (*ec2.DescribeVpcEndpointConnectionsOutput, error)
}
// GetConnectionInfo retrieves information about your VPC endpoint connections.
// 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 DescribeVpcEndpointConnectionsOutput object containing the result of the service call and nil.
// Otherwise, nil and an error from the call to DescribeVpcEndpointConnections.
func GetConnectionInfo(c context.Context,
api EC2DescribeVpcEndpointConnectionsAPI,
input *ec2.DescribeVpcEndpointConnectionsInput) (*ec2.DescribeVpcEndpointConnectionsOutput, error) {
return api.DescribeVpcEndpointConnections(context.Background(), input)
}
func main() {
region := flag.String("r", "us-west-2", "The region to get VPC info from.")
flag.Parse()
if *region == "" {
panic("You cannot supply an empty region")
}
cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithRegion(*region))
if err != nil {
panic("configuration error, " + err.Error())
}
client := ec2.NewFromConfig(cfg)
input := &ec2.DescribeVpcEndpointConnectionsInput{}
resp, err := GetConnectionInfo(context.Background(), client, input)
if err != nil {
fmt.Println("Got an error retrieving information about your VPC endpoint:")
fmt.Println(err)
return
}
cons := len(resp.VpcEndpointConnections)
if cons == 0 {
fmt.Println("Could not find any VCP endpoint connections in " + *region)
return
}
fmt.Println("VPC endpoint: Details:")
respDecrypted, _ := json.MarshalIndent(resp, "", "\t")
fmt.Println(string(respDecrypted))
fmt.Println()
fmt.Println("Found " + strconv.Itoa(cons) + " VCP endpoint connection(s) in " + *region)
}
See the complete example in GitHub.
Last modified January 15, 2021: Code Example Highlighting, Vairous Documentation Fixes (#1045) (495b900)