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GODRIVER-3599 Add task and script to generate CycloneDX SBOM #2154

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GODRIVER-3599 Add task and script to generate CycloneDX SBOM #2154

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a0af51a
GODRIVER-3599 Add task script to generate CycloneDX SBOM
jasonhills-mongodb Aug 4, 2025
4e52215
Update .evergreen/config.yml
jasonhills-mongodb Aug 14, 2025
10dd0cc
Merge branch 'master' into GODRIVER-3599/sbom_generation_using_cyclon…
matthewdale Dec 5, 2025
8d5d80f
Use correct file for pre-commit and correct comment in Taskfile.
matthewdale Dec 5, 2025
3aa5972
Add updated SBOM file.
matthewdale Dec 5, 2025
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8 changes: 8 additions & 0 deletions .evergreen/config.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -630,6 +630,14 @@ tasks:
binary: bash
args: [*task-runner, govulncheck]

- name: generate-sbom
tags: ["ssdlc", "static-analysis"]
commands:
- command: subprocess.exec
params:
binary: bash
args: [*task-runner, generate-sbom]

- name: pull-request-helpers
allowed_requesters: ["patch", "github_pr"]
commands:
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7 changes: 7 additions & 0 deletions .pre-commit-config.yaml
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Expand Up @@ -74,3 +74,10 @@ repos:
language: system
types: [go]
entry: etc/check_license.sh

- id: sbom-currency
name: sbom-currency
language: system
files: ^(go\.mod)$
require_serial: true
entry: etc/generate-sbom.sh -c
15 changes: 13 additions & 2 deletions Taskfile.yml
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Expand Up @@ -10,8 +10,8 @@ dotenv: ['.test.env']
tasks:

### Utility tasks. ###
default:
deps: [build, check-license, check-fmt, check-modules, lint, test-short]
default:
deps: [build, check-license, check-fmt, check-modules, lint, test-short, generate-sbom]

add-license: bash etc/check_license.sh -a

Expand Down Expand Up @@ -87,6 +87,17 @@ tasks:

govulncheck: bash etc/govulncheck.sh

generate-sbom:
desc: Generate a CycloneDX SBOM
summary: |
Generate a CycloneDX SBOM with the cyclonedx-gomod 'mod' subcommand
The SBOM includes the aggregate of modules required by packages in the mongo-go-driver library, excluding examples, tests and test packages.
Task will run only when go.mod is newer than sbom.json.
method: timestamp
sources: [go.mod]
generates: [sbom.json]
cmd: bash etc/generate-sbom.sh

update-notices: bash etc/generate_notices.pl > THIRD-PARTY-NOTICES

### Local testing tasks. ###
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32 changes: 32 additions & 0 deletions etc/generate-sbom.sh
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@@ -0,0 +1,32 @@
#!/usr/bin/env bash
set -e

CHECK_CURRENCY="false"

# Options are:
# -c : check currency of staged sbom.json versus go.mod.
while getopts "c" opt; do
case $opt in
c)
CHECK_CURRENCY="true"
;;
*)
echo "usage: $0 [-c]" >&2
echo " -c : (optional) check currency of staged sbom.json versus go.mod." >&2
exit 1
;;
esac
done
#shift $((OPTIND - 1))

if ! $CHECK_CURRENCY; then
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@prestonvasquez prestonvasquez Aug 15, 2025 •
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Should this script fail under certain conditions? For example, if it's being (1) called from the Evergreen CI and (2) calling results in a change to sbom.json? In such cases, I would expect the "Static Analysis" task to fail.

Running directly:

EXPECT_ERROR=1 bash etc/generate-sbon.sh # -> if sbom.json updates, exit 1

In the associated task:

  - name: generate-sbom
    tags: ["ssdlc", "static-analysis"]
    commands:
      - command: subprocess.exec
        params:
          binary: bash
          env:
            EXPECT_ERROR: 1
          args: [*task-runner, generate-sbom]

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@jasonhills-mongodb jasonhills-mongodb Aug 26, 2025

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Good point. The expected workflow is that upon changing the go.mod file the contributor will also commit an updated sbom.json, which is enforced with the pre-commit check. But, this is not guaranteed and if the go.mod is newer than sbom.json in Evergreen CI, that indicates that the repository files are out-of-sync and the Evergreen "static-analysis" task should fail. I will account for this and strengthen the check with a schema validation step.

# The cyclonedx-gomod 'mod' subcommand is used to generate a CycloneDX SBOM with GOWORK=off to exclude example/test code.
# TODO: Add libmongocrypt as an optional component via a merge once the libmongocrypt SBOM is updated with newer automation
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@prestonvasquez prestonvasquez Aug 14, 2025

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Does this need a followup GODRIVER ticket?

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@jasonhills-mongodb jasonhills-mongodb Aug 26, 2025

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I just went ahead and added the libmongocrypt component rather then leaving it as a TODO.


## The pipe to jq is a temporary workaround until this issue is resolved: https://github.com/CycloneDX/cyclonedx-gomod/issues/662.
## When resolved, bump version and replace with commented line below.
# GOWORK=off go run github.com/CycloneDX/cyclonedx-gomod/cmd/cyclonedx-gomod@[UPDATED VERSION] mod -type library -licenses -assert-licenses -output-version 1.5 -json -output sbom.json .
GOWORK=off go run github.com/CycloneDX/cyclonedx-gomod/cmd/[email protected] mod -type library -licenses -assert-licenses -output-version 1.5 -json . | jq '.metadata.component.purl |= split("?")[0]' | jq '.components[].purl |= split("?")[0]' > sbom.json
elif [[ $(git diff --name-only --cached go.mod) && ! $(git diff --name-only --cached sbom.json) ]]; then
echo "'go.mod' has changed. 'sbom.json' must be re-generated (run 'task generate-sbom' or 'etc/generate-sbom.sh') and staged." && exit 1
fi
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