change vpc tag key name to more generic

Author: jeswinkoshyninan

docs/deploy/configurations.md

@@ -72,7 +72,7 @@ Currently, you can set only 1 namespace to watch in this flag. See [this Kuberne
 | aws-region                                                                      | string                          | [instance metadata](#instance-metadata)    | AWS Region for the kubernetes cluster                                                                                                          |
 | aws-vpc-id                                                                      | string                          | [instance metadata](#instance-metadata)    | AWS VPC ID for the Kubernetes cluster                                                                                                          |
 | aws-vpc-tags                                                                    | stringMap                       |                                            | Tags for the Kubernetes cluster VPC
-| aws-vpc-name-tag-key                                                            | string                          | Name                                       | Optional tag key used with aws-vpc-tags add only if VPC name tag key is not the default value "Name"
+| aws-vpc-tag-key                                                            | string                          | Name                                       | Optional tag key used with aws-vpc-tags add only if VPC name tag key is not the default value "Name"
 | allowed-certificate-authority-arns                                              | stringList                      | []                                         | Specify an optional list of CA ARNs to filter on in cert discovery (empty means all CAs are allowed)                                           |
 | backend-security-group                                                          | string                          |                                            | Backend security group id to use for the ingress rules on the worker node SG                                                                   |
 | cluster-name                                                                    | string                          |                                            | Kubernetes cluster name                                                                                                                        |

docs/deploy/installation.md

@@ -37,7 +37,7 @@ You can set the IMDSv2 as follows:
 aws ec2 modify-instance-metadata-options --http-put-response-hop-limit 2 --http-tokens required --region <region> --instance-id <instance-id>
 ```
 
-Instead of depending on IMDSv2, you can specify the AWS Region via the controller flag `--aws-region`, and the AWS VPC via controller flag `--aws-vpc-id` or by specifying vpc tags via the flag `--aws-vpc-tags` and an optional flag `--aws-vpc-name-tag-key` if you have a different key for the tag other than "Name". 
+Instead of depending on IMDSv2, you can specify the AWS Region via the controller flag `--aws-region`, and the AWS VPC via controller flag `--aws-vpc-id` or by specifying vpc tags via the flag `--aws-vpc-tags` and an optional flag `--aws-vpc-tag-key` if you have a different key for the tag other than "Name". 
 
 ## Configure IAM
 

pkg/aws/cloud_config.go

@@ -15,7 +15,7 @@ const (
 	flagAWSVpcTags       = "aws-vpc-tags"
 	flagAWSVpcCacheTTL   = "aws-vpc-cache-ttl"
 	flagAWSMaxRetries    = "aws-max-retries"
-	flagAWSVpcNameTagKey = "aws-vpc-name-tag-key"
+	flagAWSVpcNameTagKey = "aws-vpc-tag-key"
 	defaultVpcID         = ""
 	defaultVpcNameTagKey = "Name"
 	defaultRegion        = ""