Create and read functions implemented to interact with the AWS GO SDK
for transit gateway peering attachments.

waitFor functions added for Create/Read terraform operations.

Describe function added for transit gateway peering attachments.

Create Update/Delete/refresh functions implemented to interact with the AWS GO SDK
for transit gateway peering attachments

waitFor functions added for Update/Delete terraform operations.

Add provider resource mapping to provider.go

Work for transit_gateway_peering_attachment_accepter has now been moved into its own pr hashicorp#11185.

Create and read functions implemented to interact with the AWS GO SDK
for transit gateway peering attachments.

waitFor functions added for Create/Read terraform operations.

Describe function added for transit gateway peering attachments.

Create Update/Delete/refresh functions implemented to interact with the AWS GO SDK
for transit gateway peering attachments

waitFor functions added for Update/Delete terraform operations.

Add provider resource mapping to provider.go

Work for transit_gateway_peering_attachment_accepter has now been moved into its own pr hashicorp#11185.

as per hashicorp#10688

Co-authored-by: j-nix <34035447+j-nix@users.noreply.github.com>

Add Transit Gateway peering attachment docs

Initial tests added for resource: transit gateway peering attachment,
work in progress.

Co-authored-by: Omarimcblack 43746683+Omarimcblack@users.noreply.github.com

Tests for TGW peering attachment

add configuration for data source along with test and documentation

Co-authored-by: j-nix <34035447+j-nix@users.noreply.github.com>

…ssing.

r/aws_ec2_transit_gateway_peering_attachment: Get acceptance tests pa…

…ssing.

…tance test.

improved acceptance tests

As suggested by @ewbankkit

Fixes CI website build as reviewed by @ewbankkit

…eway deletion.

…ering_attachment.

Acceptance test output:

$ TEST=./aws SWEEP=us-west-2 SWEEPARGS=-sweep-run=aws_ec2_transit_gateway_peering_attachment make sweep
WARNING: This will destroy infrastructure. Use only in development accounts.
go test ./aws -v -sweep=us-west-2 -sweep-run=aws_ec2_transit_gateway_peering_attachment
2020/04/08 10:08:58 [DEBUG] Running Sweepers for region (us-west-2):
2020/04/08 10:08:58 [DEBUG] Running Sweeper (aws_ec2_transit_gateway_peering_attachment) in region (us-west-2)
2020/04/08 10:08:58 [INFO] Building AWS auth structure
2020/04/08 10:08:58 [INFO] Setting AWS metadata API timeout to 100ms
2020/04/08 10:09:00 [INFO] Ignoring AWS metadata API endpoint at default location as it doesn't return any instance-id
2020/04/08 10:09:00 [INFO] AWS Auth provider used: "EnvProvider"
2020/04/08 10:09:00 [DEBUG] Trying to get account information via sts:GetCallerIdentity
2020/04/08 10:09:00 [DEBUG] Trying to get account information via sts:GetCallerIdentity
2020/04/08 10:09:01 Sweeper Tests ran successfully:
	- aws_ec2_transit_gateway_peering_attachment
ok  	github.com/terraform-providers/terraform-provider-aws/aws	2.820s

…way_peering_attachment

error sweeper & TGW deletion retryable error handling for TGW peering

https://aws.amazon.com/about-aws/whats-new/2020/04/aws-transit-gateway-now-supports-inter-region-peering-in-11-additional-regions/

Region support has changed and is subject to further changes - AWS docs
should be referred to for up to date list.

Local/peer terminology implemented based off the current account

Co-Authored-By: Brian Flad <bflad417@gmail.com>

use `owner_id` attr rather than data source for caller identity

Co-Authored-By: Brian Flad <bflad417@gmail.com>

Docs amended to provide different example & fix links

Co-Authored-By: Brian Flad <bflad417@gmail.com>

…paginator function

Co-authored-by: Omarimcblack <43746683+Omarimcblack@users.noreply.github.com>

…ther than enum

Co-authored-by: Omarimcblack <43746683+Omarimcblack@users.noreply.github.com>

alternate provider

Since local/peer terminology has been adopted it is important to test that
the correct attributes are returned from a datasource when the
alternate(accepter) provider is used

Co-authored-by: j-nix <34035447+j-nix@users.noreply.github.com>