t.behrendt
a076c9d732
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Reviewed-on: t.behrendt/trivy-actions#27 Reviewed-by: branch-buddy <branch-buddy@t00n.de> Co-authored-by: t.behrendt <t.behrendt@t00n.de> Co-committed-by: t.behrendt <t.behrendt@t00n.de>
38 lines
1.4 KiB
YAML
38 lines
1.4 KiB
YAML
name: "Get Images From Files"
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description: "Extract docker images from selected files (Dockerfiles, Kubernetes manifests, and files with recognizable image references)"
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author: "Timo Behrendt <t.behrendt@t00n.de>"
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branding:
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icon: "package"
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color: "blue"
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inputs:
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files:
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description: "Files to extract images from. Multiple files can be specified (YAML list format)."
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required: true
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outputs:
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images:
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description: "Comma-separated list of extracted image references (e.g. docker.io/library/alpine:latest,gcr.io/distroless/static:nonroot@sha256:...)"
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value: ${{ steps.extract.outputs.images }}
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runs:
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using: "composite"
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steps:
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- id: extract
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shell: bash
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run: |
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set -e
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files="${{ inputs.files }}"
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# Parse YAML list: lines like " - path/to/file" or "- file"
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file_list=$(echo "$files" | sed -n 's/^[[:space:]]*-[[:space:]]*//p' | tr -d '"' | tr -d "'")
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images=$(
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for f in $file_list; do
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[ -f "$f" ] || continue
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# Dockerfile: FROM [--platform=...] <image>
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awk '/^[[:space:]]*FROM[[:space:]]/ { print $NF }' "$f" 2>/dev/null || true
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# Kubernetes / Compose: image: <ref>
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grep -E '[[:space:]]image:[[:space:]]' "$f" 2>/dev/null | sed 's/.*image:[[:space:]]*//' | awk '{ print $1 }' || true
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done | grep -E '/' | sort -u | paste -sd,
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)
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echo "images=${images:-}" >> "$GITHUB_OUTPUT"
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