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feat(DM01-5956): add buildkitd_config support registry certificate trust #606

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Merged
liuwei08 merged 2 commits into from
May 22, 2026
Merged

feat(DM01-5956): add buildkitd_config support registry certificate trust #606

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fix(DM01-5956): install SAP Root CA into /etc/docker/certs.d/ for Bui…
liuwei08 May 14, 2026
914a110
appended root ca for BuildKit
liuwei08 May 21, 2026
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28 changes: 28 additions & 0 deletions src/job/entrypoint.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,34 @@ if [ ! -e /var/run/docker.sock ]; then
cat /etc/docker/daemon.json
echo ""

# DM01-5956: Install SAP Root CA for InfraBox internal registries so that
# Docker's built-in BuildKit (docker driver, DOCKER_BUILDKIT=1) can import
# cache manifests via --cache-from without x509 errors.
# Note: /etc/buildkit/buildkitd.toml is only read by a standalone buildkitd
# process, NOT by the Docker daemon's built-in BuildKit driver.
if [ -f /etc/ssl/certs/saprootca.pem ]; then
echo "Installing SAP Root CA into /etc/docker/certs.d/ for InfraBox registries"
for registry in \
"test-new.infrabox.datahub.only.sap" \
"infrabox.datahub.only.sap" \
"ha-eu-de-1.infrabox.datahub.only.sap" \
"ha-eu-de-1b.infrabox.datahub.only.sap" \
"ha-eu-de-2.infrabox.datahub.only.sap" \
"ha-eu-de-2b.infrabox.datahub.only.sap" \
"gardener-eu-de-1.infrabox.datahub.only.sap" \
"gardener-eu-de-2.infrabox.datahub.only.sap"; do
mkdir -p "/etc/docker/certs.d/${registry}"
cp /etc/ssl/certs/saprootca.pem "/etc/docker/certs.d/${registry}/ca.crt"
done
echo "SAP Root CA installed for $(ls /etc/docker/certs.d/ | wc -l) registries"

# BuildKit's cache registry client uses the system CA bundle, not /etc/docker/certs.d/.
# Append the SAP Root CA to the Alpine system bundle so BuildKit can trust
# InfraBox internal registries when importing --cache-from manifests via HTTPS.
cat /etc/ssl/certs/saprootca.pem >> /etc/ssl/certs/ca-certificates.crt
echo "SAP Root CA appended to system CA bundle for BuildKit"
fi

echo "Waiting for docker daemon to start up"
CNT=0
while true; do
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