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add set layer limit #3464

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merged 2 commits into from
Dec 2, 2024
Merged

add set layer limit #3464

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e051cfd
add set layer limit
tomersein Nov 19, 2024
ee31ef8
limit layer size
tomersein Nov 30, 2024
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14 changes: 13 additions & 1 deletion cmd/syft/internal/options/source.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,8 @@ import (
"sort"
"strings"

stereoscopeFile "github.com/anchore/stereoscope/pkg/file"
"github.com/dustin/go-humanize"
"github.com/scylladb/go-set/strset"

"github.com/anchore/clio"
Expand All @@ -27,6 +29,8 @@ var _ interface {
clio.FieldDescriber
} = (*sourceConfig)(nil)

var _ clio.PostLoader = (*imageSource)(nil)

func (o *sourceConfig) DescribeFields(descriptions clio.FieldDescriptionSet) {
descriptions.Add(&o.File.Digests, `the file digest algorithms to use on the scanned file (options: "md5", "sha1", "sha224", "sha256", "sha384", "sha512")`)
descriptions.Add(&o.Image.DefaultPullSource, `allows users to specify which image source should be used to generate the sbom
Expand All @@ -35,6 +39,7 @@ valid values are: registry, docker, podman`)

type imageSource struct {
DefaultPullSource string `json:"default-pull-source" yaml:"default-pull-source" mapstructure:"default-pull-source"`
MaxLayerSize string `json:"max-layer-size" yaml:"max-layer-size" mapstructure:"max-layer-size"`
}

func defaultSourceConfig() sourceConfig {
Expand All @@ -56,7 +61,14 @@ func (c *fileSource) PostLoad() error {
return nil
}

func (c imageSource) PostLoad() error {
func (c *imageSource) PostLoad() error {
if c.MaxLayerSize != "" {
perFileReadLimit, err := humanize.ParseBytes(c.MaxLayerSize)
if err != nil {
return err
}
stereoscopeFile.SetPerFileReadLimit(int64(perFileReadLimit))
}
return checkDefaultSourceValues(c.DefaultPullSource)
}

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