feat(TPG>6.0)!: Add support for reserved_internal_range in secondary IP ranges

[mclavel]

This PR adds support for the reserved_internal_range field in subnet secondary ranges

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[mclavel]

@imrannayer 👀

[bharathkkb]

Thanks for the PR @mclavel

[imrannayer]

/gcbrun

[github-actions]

This PR is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days

[imrannayer]

/gcbrun

[imrannayer]

@mclavel this part of the test is failing

TestSecondaryRanges 2026-01-12T16:40:09Z command.go:123: Running command gcloud with args [compute networks subnets describe secondary-ranges-a1-subnet-03 --project ci-network-d51f --region us-west1 --format json]
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212: {
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "allowSubnetCidrRoutesOverlap": false,
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "creationTimestamp": "2026-01-12T08:37:52.727-08:00",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "enableFlowLogs": true,
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "fingerprint": "7bCQ9Nc0Vww=",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "gatewayAddress": "10.10.30.1",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "id": "2092581294592007567",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "ipCidrRange": "10.10.30.0/24",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "kind": "compute#subnetwork",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "logConfig": {
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:     "aggregationInterval": "INTERVAL_15_MIN",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:     "enable": true,
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:     "filterExpr": "true",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:     "flowSampling": 0.9,
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:     "metadata": "INCLUDE_ALL_METADATA"
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   },
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "name": "secondary-ranges-a1-subnet-03",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "network": "https://www.googleapis.com/compute/v1/projects/ci-network-d51f/global/networks/secondary-ranges-a1",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "privateIpGoogleAccess": false,
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "privateIpv6GoogleAccess": "DISABLE_GOOGLE_ACCESS",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "purpose": "PRIVATE",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "region": "https://www.googleapis.com/compute/v1/projects/ci-network-d51f/regions/us-west1",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "secondaryIpRanges": [
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:     {
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:       "ipCidrRange": "192.168.66.0/24",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:       "rangeName": "secondary-ranges-a1-subnet-03-01"
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:     },
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:     {
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:       "ipCidrRange": "172.16.0.0/24",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:       "rangeName": "secondary-ranges-a1-subnet-03-02",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:       "reservedInternalRange": "https://networkconnectivity.googleapis.com/v1/projects/ci-network-d51f/locations/global/internalRanges/secondary-ranges-a1-internal-range"
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:     }
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   ],
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "selfLink": "https://www.googleapis.com/compute/v1/projects/ci-network-d51f/regions/us-west1/subnetworks/secondary-ranges-a1-subnet-03",
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212:   "stackType": "IPV4_ONLY"
TestSecondaryRanges 2026-01-12T16:40:18Z command.go:212: }
    secondary_ranges_test.go:40: 
        	Error Trace:	/workspace/test/integration/secondary_ranges/secondary_ranges_test.go:40
        	            				/builder/home/go/pkg/mod/github.com/!google!cloud!platform/cloud-foundation-toolkit/infra/blueprint-test@v0.17.9/pkg/tft/terraform.go:638
        	            				/builder/home/go/pkg/mod/github.com/!google!cloud!platform/cloud-foundation-toolkit/infra/blueprint-test@v0.17.9/pkg/tft/terraform.go:670
        	            				/builder/home/go/pkg/mod/github.com/!google!cloud!platform/cloud-foundation-toolkit/infra/blueprint-test@v0.17.9/pkg/utils/stages.go:31
        	            				/builder/home/go/pkg/mod/github.com/!google!cloud!platform/cloud-foundation-toolkit/infra/blueprint-test@v0.17.9/pkg/tft/terraform.go:670
        	Error:      	Not equal: 
        	            	expected: 1
        	            	actual  : 2
        	Test:       	TestSecondaryRanges
        	Messages:   	has expected number of secondary ranges