Internal Passthrough Load Balancer (L4)
An internal passthrough L4 load balancer - health check, regional backend service and forwarding rule - that stands up before any backends exist, preserving client source IPs, with optional global access.
Verification
Live-testedReally deployed to a cloud sandbox, verified against its outputs and assertions, then destroyed - with the teardown confirmed.
Conformance
- Static validation (fmt · validate · tflint)
- Security scan clean (Checkov)
- Plan test superseded by live test
Provenance
- SHA-256 checksum
- Cosign signature
Functional
- Live-tested - applied, verified, destroyed
Last verified 2026-06-30 · how we verify
Verify this download
cosign · sha-256Don't take our word for it. Every release is signed with cosign - check the bytes against our pinned public key before you trust them.
# 1. Our pinned public key - fetch once, trust out-of-band
curl -O https://www.iac-bazaar.com/cosign.pub
# 2. This module's Sigstore bundle
curl -o gcp-internal-lb-1.0.0.sigstore.json \
https://www.iac-bazaar.com/api/artifacts/gcp-internal-lb/signature
# 3. Verify the tarball you downloaded
cosign verify-blob \
--key cosign.pub \
--bundle gcp-internal-lb-1.0.0.sigstore.json \
gcp-internal-lb-1.0.0.tar.gz
# → Verified OK
# 4. (optional) confirm the checksum too
echo "4435eca6a844f5ba5b3532c9d468aee18d39686bfcf4b82498633bb8141800f9 gcp-internal-lb-1.0.0.tar.gz" | sha256sum -cUse it from the registry
terraform · opentofumodule "internal_lb" {
source = "www.iac-bazaar.com/iac-bazaar/gcp-internal-lb/gcp"
version = "1.0.0"
}Paid module — needs a purchase (or a subscription that covers it) plus a registry token from /account/tokens. Full setup: registry docs.
Inputs & outputs
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Documentation
gcp-internal-lb
An internal passthrough Network Load Balancer: a health check, a regional
backend service (load_balancing_scheme = INTERNAL), and an internal
forwarding rule. Backends are optional, so the LB stands up before — or
without — any instance groups; wire MIGs in as they come online. Works with
Terraform and OpenTofu (>= 1.6), Google provider >= 7.0, < 8.0.
What you get:
- A
google_compute_health_check(TCP by default; HTTP/HTTPS supported) - A regional
google_compute_region_backend_service(INTERNAL,balancing_mode = CONNECTION) with optional instance-group backends - An internal
google_compute_forwarding_ruleon your VPC subnet, with an auto-allocated (or static) internal IP
Requirements
| Requirement | Version |
|---|---|
| Terraform / OpenTofu | >= 1.6 |
hashicorp/google | >= 7.0, < 8.0 |
License
Commercial — IaC Bazaar EULA. © IaC Bazaar. Original work (not derived from a third-party module).
Usage code & full reference unlock after purchase
The complete copy-paste usage, the full input/output reference, and operational notes ship with your licence - shown here and bundled in the download.
- Usage
- Inputs
- Outputs