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Introduce relationships as first-class objects (#607)

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* migrate pkg.ID and pkg.Relationship to artifact package

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* return relationships from tasks

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* fix more tests

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* add artifact.Identifiable by Identity() method

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* fix linting

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* remove catalog ID assignment

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* adjust spdx helpers to use copy of packages

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* stabilize package ID relative to encode-decode format cycles

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* rename Identity() to ID()

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* use zero value for nils in ID generation

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* enable source.Location to be identifiable

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* hoist up package relationship discovery to analysis stage

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* update ownership-by-file-overlap relationship description

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* add test reminders to put new relationships under test

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* adjust PHP composer.lock parser function to return relationships

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
This commit is contained in:
Alex Goodman
2021-11-16 14:14:13 -05:00
committed by GitHub
parent 45ea4177e8
commit ef627d82ef
100 changed files with 663 additions and 633 deletions
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syft/source/location.go
+19 -5
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@@ -3,19 +3,22 @@ package source
import (
"fmt"
"github.com/anchore/syft/internal/log"
"github.com/anchore/stereoscope/pkg/file"
"github.com/anchore/stereoscope/pkg/image"
"github.com/anchore/syft/internal/log"
"github.com/anchore/syft/syft/artifact"
)
// Location represents a path relative to a particular filesystem resolved to a specific file.Reference. This struct is used as a key
// in content fetching to uniquely identify a file relative to a request (the VirtualPath).
// in content fetching to uniquely identify a file relative to a request (the VirtualPath). Note that the VirtualPath
// and ref are ignored fields when using github.com/mitchellh/hashstructure. The reason for this is to ensure that
// only the minimally expressible fields of a location are baked into the uniqueness of a Location. Since VirutalPath
// and ref are not captured in JSON output they cannot be included in this minimal definition.
type Location struct {
RealPath string `json:"path"` // The path where all path ancestors have no hardlinks / symlinks
VirtualPath string `json:"-"` // The path to the file which may or may not have hardlinks / symlinks
VirtualPath string `hash:"ignore" json:"-"` // The path to the file which may or may not have hardlinks / symlinks
FileSystemID string `json:"layerID,omitempty"` // An ID representing the filesystem. For container images this is a layer digest, directories or root filesystem this is blank.
ref file.Reference // The file reference relative to the stereoscope.FileCatalog that has more information about this location.
ref file.Reference `hash:"ignore"` // The file reference relative to the stereoscope.FileCatalog that has more information about this location.
}
// NewLocation creates a new Location representing a path without denoting a filesystem or FileCatalog reference.
@@ -70,3 +73,14 @@ func (l Location) String() string {
}
return fmt.Sprintf("Location<%s>", str)
}
func (l Location) ID() artifact.ID {
f, err := artifact.IDFromHash(l)
if err != nil {
// TODO: what to do in this case?
log.Warnf("unable to get fingerprint of location=%+v: %+v", l, err)
return ""
}
return f
}