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79 lines
2.7 KiB
Bash
79 lines
2.7 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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TARGET_IMAGE="${1:-geointel-ci:local}"
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OUTPUT="${2:-artifacts/geointel-sbom.spdx.json}"
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IMAGE_ARCHIVE="${GEOINTEL_IMAGE_ARCHIVE:-artifacts/geointel-image.tar}"
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ARCHIVE_ID_FILE="${IMAGE_ARCHIVE}.image-id"
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KEEP_ARCHIVE="${GEOINTEL_KEEP_IMAGE_ARCHIVE:-false}"
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SYFT_IMAGE="anchore/syft:v1.44.0@sha256:86fde6445b483d902fe011dd9f68c4987dd94e07da1e9edc004e3c2422650de6"
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ARCHIVE_CREATED=false
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PARTIAL_ARCHIVE=""
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cleanup() {
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if [ -n "$PARTIAL_ARCHIVE" ]; then
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rm -f -- "$PARTIAL_ARCHIVE"
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fi
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if [ "$ARCHIVE_CREATED" = true ] && [ "$KEEP_ARCHIVE" != true ]; then
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rm -f -- "$ROOT/$IMAGE_ARCHIVE" "$ROOT/$ARCHIVE_ID_FILE"
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fi
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}
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trap cleanup EXIT
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for candidate in "$OUTPUT" "$IMAGE_ARCHIVE"; do
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case "$candidate" in
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/*|*..*)
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echo "SBOM paths must be repository-relative and may not contain '..'." >&2
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exit 1
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;;
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esac
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done
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IMAGE_ID="$(docker image inspect --format '{{.Id}}' "$TARGET_IMAGE")"
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test -n "$IMAGE_ID"
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mkdir -p "$ROOT/$(dirname "$OUTPUT")" "$ROOT/$(dirname "$IMAGE_ARCHIVE")"
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ARCHIVE_ID=""
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if [ -s "$ROOT/$ARCHIVE_ID_FILE" ]; then
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ARCHIVE_ID="$(tr -d '[:space:]' < "$ROOT/$ARCHIVE_ID_FILE")"
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fi
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if [ ! -s "$ROOT/$IMAGE_ARCHIVE" ] || [ "$ARCHIVE_ID" != "$IMAGE_ID" ]; then
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rm -f -- "$ROOT/$IMAGE_ARCHIVE" "$ROOT/$ARCHIVE_ID_FILE"
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PARTIAL_ARCHIVE="$ROOT/${IMAGE_ARCHIVE}.partial.$$"
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docker save "$IMAGE_ID" --output "$PARTIAL_ARCHIVE"
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mv "$PARTIAL_ARCHIVE" "$ROOT/$IMAGE_ARCHIVE"
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PARTIAL_ARCHIVE=""
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printf '%s\n' "$IMAGE_ID" > "$ROOT/$ARCHIVE_ID_FILE"
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ARCHIVE_CREATED=true
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fi
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WORKDIR="/workspace"
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WORKSPACE_ARGS=(-v "$ROOT:/workspace")
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if [[ -n "${HOSTNAME:-}" ]] && docker inspect --type container "$HOSTNAME" >/dev/null 2>&1; then
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# The Gitea job runs against TCP DinD. Reusing its workspace mounts keeps
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# the archive inside the job boundary and avoids a privileged Docker API hop.
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WORKDIR="$ROOT"
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WORKSPACE_ARGS=(--volumes-from "$HOSTNAME")
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fi
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# CUDA and PyTorch ship several gigabytes of native binaries. Keep Syft's Go
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# heap below the isolated runner's 8 GiB limit and collect garbage proactively;
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# otherwise the Docker-in-Docker job can be OOM-killed even with one cataloger
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# worker. Authoritative dpkg, Python, npm and other installed-package catalogers
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# remain enabled; Trivy still scans the complete immutable archive independently.
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docker run --rm \
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--user 0:0 \
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-e "SYFT_PARALLELISM=${SYFT_PARALLELISM:-1}" \
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-e "GOMEMLIMIT=${SYFT_GOMEMLIMIT:-4GiB}" \
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-e "GOGC=${SYFT_GOGC:-25}" \
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"${WORKSPACE_ARGS[@]}" \
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-w "$WORKDIR" \
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"$SYFT_IMAGE" \
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"docker-archive:$WORKDIR/$IMAGE_ARCHIVE" \
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--select-catalogers=-binary \
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-o "spdx-json=$OUTPUT"
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test -s "$ROOT/$OUTPUT"
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echo "SBOM written to $OUTPUT for $IMAGE_ID"
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