New data source for google_compute_interconnect_attachment

[rjouhann]

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Description

In the case of the creation of the Google Interconnect with a Partner (e.g. PacketFabric, we need a way to fetch the current status of the Google Interconnect in order to automate the setup of the BGP session.

Create a new data source for google_compute_interconnect_attachment and add below new elements to the new data source output:

items[].cloudRouterIpAddress
items[].customerRouterIpAddress
items[].partnerAsn
items[].type
items[].operationalStatus
items[].state

New or Affected Resource(s)

• google_compute_interconnect_attachment

Potential Terraform Configuration

# Create the Partner Google Interconnect
resource "google_compute_interconnect_attachment" "interconnect_1" {
  name          = var.interconnect_name
  region        = var.gcp_region1
  description   = "Interconnect to PacketFabric Network"
  type          = "PARTNER"
  admin_enabled = true # From the Google side: Accept (automatically) the connection.
  router        = google_compute_router.router_1.id
}

# Provision the Partner side of the connection
resource "packetfabric_google_cloud_router_connection" "crc_1" {
  provider                    = packetfabric
  description                 = var.description
  circuit_id                  = packetfabric_cloud_router.cr.id
  account_uuid                = var.pf_account_uuid
  google_pairing_key          = var.pf_crc_google_pairing_key
  google_vlan_attachment_name = var.pf_crc_google_vlan_attachment_name
  pop                         = var.pf_crc_pop2
  speed                       = var.pf_crc_speed
  maybe_nat                   = var.pf_crc_maybe_nat
}

# NEW DATA SOURCE: Fetch the google interconnect details to retrieve 
data "google_compute_interconnect_attachment" "interconnect_1" {
  name    = google_compute_interconnect_attachment.interconnect_1.name
}

# Setup BGP connection on the partner side
resource "packetfabric_cloud_router_bgp_session" "crbs_1" {
  provider       = packetfabric
  circuit_id     = packetfabric_cloud_router.cr.id
  connection_id  = packetfabric_aws_cloud_router_connection.crc_1.id
  address_family = var.pf_crbs_af
  multihop_ttl   = var.pf_crbs_mhttl
  remote_asn     = var.google_side_asn1
  orlonger       = var.pf_crbs_orlonger
  remote_address = google_compute_interconnect_attachment.interconnect_1.cloud_router_ip_address   # google side
  l3_address     = google_compute_interconnect_attachment.interconnect_1.customer_router_ip_address # PF side
}

References

• Expose bgpPeers from google_compute_router #11458
• https://cloud.google.com/compute/docs/reference/rest/v1/interconnectAttachments/list

b/302673037