Add fields to InterconnectAttachment to allow for PARTNER interconnects (#180)

Signed-off-by: Modular Magician <magic-modules@google.com>

plugins/modules/gcp_compute_interconnect_attachment_facts.py

@@ -84,7 +84,8 @@ items:
     interconnect:
       description:
       - URL of the underlying Interconnect object that this attachment's traffic will
-        traverse through.
+        traverse through. Required if type is DEDICATED, must not be set if type is
+        PARTNER.
       returned: success
       type: str
     description:
@@ -92,6 +93,30 @@ items:
       - An optional description of this resource.
       returned: success
       type: str
+    edgeAvailabilityDomain:
+      description:
+      - Desired availability domain for the attachment. Only available for type PARTNER,
+        at creation time. For improved reliability, customers should configure a pair
+        of attachments with one per availability domain. The selected availability
+        domain will be provided to the Partner via the pairing key so that the provisioned
+        circuit will lie in the specified domain. If not specified, the value will
+        default to AVAILABILITY_DOMAIN_ANY.
+      returned: success
+      type: str
+    pairingKey:
+      description:
+      - '[Output only for type PARTNER. Not present for DEDICATED]. The opaque identifier
+        of an PARTNER attachment used to initiate provisioning with a selected partner.
+        Of the form "XXXXX/region/domain" .'
+      returned: success
+      type: str
+    partnerAsn:
+      description:
+      - "[Output only for type PARTNER. Not present for DEDICATED]. Optional BGP ASN
+        for the router that should be supplied by a layer 3 Partner if they configured
+        BGP on behalf of the customer."
+      returned: success
+      type: str
     privateInterconnectInfo:
       description:
       - Information specific to an InterconnectAttachment. This property is populated
@@ -105,6 +130,16 @@ items:
             customer, going to and from this network and region.
           returned: success
           type: int
+    type:
+      description:
+      - The type of InterconnectAttachment you wish to create. Defaults to DEDICATED.
+      returned: success
+      type: str
+    state:
+      description:
+      - "[Output Only] The current state of this attachment's functionality."
+      returned: success
+      type: str
     googleReferenceId:
       description:
       - Google reference ID, to be used when raising support tickets with Google or