mirror of
https://github.com/jmcorgan/fips.git
synced 2026-10-05 11:08:25 +00:00
Johnathan Corgan
db254f6d44
The arm64 .deb that ships to single-board hosts was floor-checked and never installed anywhere in the pipeline, so a packaging fault that only appears on arm64 would reach a user first. CI's package job becomes a two-leg matrix, building natively on an ubuntu-24.04-arm runner beside the amd64 leg, and each leg fails unless the package it produced is its own architecture. The install job gains one arm64 leg on ubuntu22, the oldest supported distribution: a fresh install and a daemon start. The upgrade, purge and conffile scenarios stay amd64-only. The displayed names of the existing checks are unchanged. The parity guard now reads each install leg's arch. Only amd64 legs are compared with the local distro list; an arm64 leg must name a known distro and is reported as GitHub-only. Without this, deleting the amd64 ubuntu22 leg would have passed, because the arm64 leg still supplied the distro name.
235 lines
11 KiB
Markdown
235 lines
11 KiB
Markdown
# FIPS Testing
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Integration and simulation test harnesses for FIPS, using Docker
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containers running the full protocol stack.
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## Test Harnesses
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### [static/](static/) -- Static Docker Network
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Fixed topologies with manual scripts for building, config generation,
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connectivity tests (ping, iperf), and network impairment (netem).
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Useful for deterministic debugging and validating specific topology
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configurations.
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| Topology | Nodes | Transport | Description |
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| ----------- | ----- | --------- | -------------------------------- |
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| mesh | 5 | UDP | Sparse mesh, 6 links, multi-hop |
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| chain | 5 | UDP | Linear chain, max 4-hop paths |
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| rekey | 5 | UDP | Rekey integration test topology |
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### [tor/](tor/) -- Tor Transport Integration
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End-to-end Tor transport testing with Docker containers running real
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Tor daemons. Requires internet access for Tor bootstrapping.
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| Scenario | Description |
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| -------------- | -------------------------------------------------------- |
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| socks5-outbound | Outbound SOCKS5 connections through Tor to clearnet peer |
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| directory-mode | Inbound via HiddenServiceDir onion service (co-located) |
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### [nat/](nat/) -- NAT Traversal Lab
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Real Docker NAT traversal tests for the Nostr/STUN bootstrap path,
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using router containers with `iptables`-based NAT, a local Nostr relay,
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and a local STUN responder.
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| Scenario | Description |
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| --------- | ------------------------------------------------------------ |
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| cone | Two NATed peers establish a UDP traversal path |
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| symmetric | UDP traversal fails under symmetric NAT, TCP fallback wins |
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| lan | Peers on the same LAN prefer local addresses over reflexive |
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### [chaos/](chaos/) -- Stochastic Simulation
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Automated network testing with configurable node counts, topology
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algorithms (random geometric, Erdos-Renyi, chain, explicit), and fault
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injection (netem mutation, link flaps, traffic generation, node
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churn). 10 scenarios covering general stress and node churn, discovery
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over sparse topologies, spanning-tree and bloom-propagation regression,
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transport-specific validation (UDP, TCP, Ethernet), and ECN/congestion
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testing. Scenarios are
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defined in YAML and executed via a Python harness that manages the full
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lifecycle: topology generation, Docker orchestration, fault scheduling,
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log collection, and analysis.
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### [interop/](interop/) -- Mixed-Version Interop Harness
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On-demand harness that runs an N-node full mesh from a node-spec where
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each node can run a different build of the FIPS daemon, then attributes
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every FMP/FSP/rekey/connectivity failure to a specific version pair
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(same-version vs MIXED). Used to catch interop regressions between
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builds, not as a per-commit CI gate; not part of `ci-local.sh`.
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### [mesh-lab/](mesh-lab/) -- Mesh Reliability Lab
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On-demand harness that runs a chosen integration suite N times under a
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configurable host-pressure profile (idle / light / github-runner-
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equivalent / heavy via `stress-ng`), per-container netem impairment,
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and optional trace-level RUST_LOG, capturing per-rep diagnostics and a
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mechanism-match summary across the run. Used for statistical reliability
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characterization of known flake classes under calibrated stress, not as
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a per-commit gate; not part of `ci-local.sh`.
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### [sidecar/](sidecar/) -- Network Sidecar Isolation
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FIPS running as a sidecar container that owns the network namespace of
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a companion application container, with iptables/ip6tables rules
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confining the app to the mesh. `scripts/test-sidecar.sh` boots a
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three-node chain of such pairs and asserts both connectivity and
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isolation.
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### [firewall/](firewall/) -- nftables Baseline
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End-to-end exercise of the production `fips0` nftables baseline at
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`packaging/common/fips.nft`, covering the default-deny, conntrack and
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drop-in semantics.
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### [acl-allowlist/](acl-allowlist/) -- Peer ACL Enforcement
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Six nodes with per-node allowlist files mounted at the runtime ACL
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paths, exercising insiders, outsiders and allowed remotes at once to
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check which peer pairs are admitted and which are rejected.
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### [native-api/](native-api/) -- Native Datagram API
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Checks the experimental native datagram API: a client process opens a
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flow to a remote pubkey over a Unix socket, receives a file descriptor,
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and exchanges datagrams on it with no TUN device and no IPv6 emulation.
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### [dns-resolver/](dns-resolver/) -- `fips-dns-setup` Backends
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Runs `fips-dns-setup` against each supported Linux resolver backend in
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systemd containers, verifying backend detection, generated config and
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teardown, plus an end-to-end scenario that resolves a `.fips` name
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through the configured backend. The end-to-end scenarios run the
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binaries from a Debian package: `--deb PATH` supplies one, and without
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it the suite builds one through `packaging/debian/build-deb-container.sh`.
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### [deb-install/](deb-install/) -- Debian Package Install
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Installs the built `.deb` in systemd containers for each
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target distro and verifies unit enablement, conffile placement and
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end-to-end `.fips` resolution as a user would meet it. GitHub CI also
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installs the arm64 package on ubuntu22 on an arm64 runner, a leg the
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local run cannot have and the parity check reports as GitHub-only.
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### [boringtun/](boringtun/) -- WireGuard Throughput Baseline
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Two userspace WireGuard peers running Cloudflare BoringTun, measured
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with `iperf3`, as a comparison baseline for FIPS tunnel throughput.
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### [ble/](ble/) -- BLE L2CAP Spike
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Standalone cargo project (`ble_spike`) that validates the `bluer` API
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assumptions behind the `BleIo` trait against real adapters on two
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machines. Not a Docker harness.
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## Running CI locally (`ci-local.sh`)
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[`ci-local.sh`](ci-local.sh) runs the full local CI pipeline — build,
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clippy, unit tests, and the integration suites (including the chaos
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scenarios) — mirroring the GitHub `ci.yml` integration matrices. Run
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`./ci-local.sh --help` for the full option list and `--list` for the
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available suites. Every run starts with a parity check that verifies the
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local suite set covers the same work as the GitHub matrix, per scenario for
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chaos and per distro for deb-install, across every job that carries a
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matrix; a divergence fails the run. GitHub
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runs the same check as its own `ci-parity` job. `--check-parity` runs it
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alone (see [check-ci-parity.sh](check-ci-parity.sh)).
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### Per-run isolation and the `FIPS_CI_RUN_ID` override
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Every invocation derives a **run id** and scopes all of its Docker
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resources to it, so two simultaneous runs on the same host (for example,
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one per git worktree, or an operator testing by hand while CI is in
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flight) never collide:
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- **Compose projects** are named `fipsci_<run-id>_<suite>`, so
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container, network, and volume names are all prefixed per run.
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- **Build images** are tagged `fips-test:<run-id>` and
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`fips-test-app:<run-id>`, exported as `FIPS_TEST_IMAGE` /
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`FIPS_TEST_APP_IMAGE`, and **every** compose file and suite script reads
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those. The run does not write `fips-test:latest` at all: a bridge back to
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that shared mutable name would let a consumer that had been missed keep
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working while resolving whichever concurrent run wrote the tag last.
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`:latest` stays the hand-build name, produced by
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`testing/scripts/build.sh`, and remains the default every consumer falls
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back to when the variables are unset.
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- **The build context** is a per-run copy at `testing/docker-<run-id>/`,
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exported as `FIPS_BUILD_CONTEXT`. It is absolute because compose resolves
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a relative build context against the compose file's own directory rather
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than the working directory. `testing/docker/` is the hand-run context and
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a CI run does not write to it. Without this, two runs race on the contents
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of one directory and either can build a correctly-per-run-tagged image
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from the other's binaries.
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- Each parallel chaos child gets a unique, non-overlapping `/24` in
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`10.30.x` (via the sim `--subnet` override). `10.30.x` sits outside
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Docker's default address pool and the fixed-subnet suites' `172.x`
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ranges, so neither a sibling chaos child nor an auto-assigned network
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can swallow a pinned subnet.
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By default the run id is `<short-git-sha>-<random>` — the SHA portion
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records *what code* a container is testing, the random suffix keeps
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simultaneous runs of the same SHA disjoint. Override it for a
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reproducible, attach-by-name debug session:
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```sh
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FIPS_CI_RUN_ID=mydebug ./ci-local.sh --only static-mesh
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# containers are named fipsci_mydebug_static_fips-node-a, etc.
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```
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### Preemption-safety and exit codes
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`ci-local.sh` is safe to cancel mid-run. A signal trap tears down *every*
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compose project the run started (not just the current suite) and reaps
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any in-flight parallel chaos children, bounded by a `timeout` so a stuck
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`compose down` cannot wedge the trap. Exit codes distinguish a cancelled
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run from a failing one:
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| Code | Meaning |
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| ---- | ------- |
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| `0` | all stages passed |
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| `1` | one or more stages failed |
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| `130` | interrupted by SIGINT — cancelled, not a failure |
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| `143` | terminated by SIGTERM — cancelled, not a failure |
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A preempting CI worker (the push-triggered, CI-gated build pipeline that
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kills an in-flight run when a newer same-branch tip arrives) maps
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`130`/`143` → *cancelled* (discard, do not record a failing commit), `0`
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→ green, any other non-zero → red.
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### Cleaning up leftover resources
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Every CI-created container, network, and volume carries the label
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`com.corganlabs.fips-ci=1`. If a run is hard-killed (SIGKILL, OOM, crash)
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and leaves resources behind, reap them with:
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```sh
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./ci-local.sh --reap # or: ./ci-cleanup.sh
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```
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[`ci-cleanup.sh`](ci-cleanup.sh) force-removes everything bearing the CI
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label or a `fipsci_` compose-project prefix; it is safe to run when there
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is nothing to reap and safe to run repeatedly. Pass `--project-prefix` to
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scope the sweep to a single run.
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It also removes the chaos simulation's leftover host-namespace veth
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interfaces (`vh…a`/`vh…b`), the one resource it touches that is neither a
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docker object nor labelled — a host interface can carry neither a label
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nor a compose project, so it is matched by name shape alone. That makes
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the reach here asymmetric with everything above, and worth stating
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plainly:
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- A bare `chaos.sh` run's **containers** survive a broad reap. Its
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compose project is not `fipsci_`, and the simulation labels only the
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network, not the services.
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- A bare `chaos.sh` run's **veth interfaces do not.** An unscoped reap
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deletes them while they are in use, severing the Ethernet links of a
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live simulation and leaving its containers running.
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So do not run a broad `--reap` while a bare simulation is up. Scope the
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interface sweep with `--veth-suffixes` (which is what `ci-local.sh`'s own
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teardown passes) or wait for the simulation to finish. `--project-prefix`
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does not help here: it scopes only the compose-project sweep.
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