// GetNode returns an unique identifier for the graph node
// Requires the key field: ID
func (v *Vulnerability) GetNode() string {
return fieldVulnerabilityIsValue + ":" + utils.Hash(v.ID)
}
// InsertPackages inserts several packages in the database in one transaction
// Packages are stored in linked lists, one per Branch. Each linked list has a start package and an end package defined with types.MinVersion/types.MaxVersion versions
//
// OS, Name and Version fields have to be specified.
// If the insertion is successfull, the Node field is filled and represents the graph node identifier.
func InsertPackages(packageParameters []*Package) error {
if len(packageParameters) == 0 {
return nil
}
// Verify parameters
for _, pkg := range packageParameters {
if pkg.OS == "" || pkg.Name == "" || pkg.Version.String() == "" {
log.Warningf("could not insert an incomplete package [OS: %s, Name: %s, Version: %s]", pkg.OS, pkg.Name, pkg.Version)
return cerrors.NewBadRequestError("could not insert an incomplete package")
}
}
// Iterate over all the packages we need to insert
for _, packageParameter := range packageParameters {
t := cayley.NewTransaction()
// Is the package already existing ?
pkg, err := FindOnePackage(packageParameter.OS, packageParameter.Name, packageParameter.Version, []string{})
if err != nil && err != cerrors.ErrNotFound {
return err
}
if pkg != nil {
packageParameter.Node = pkg.Node
continue
}
// Get all packages of the same branch (both from local cache and database)
branchPackages, err := FindAllPackagesByBranch(packageParameter.OS, packageParameter.Name, []string{FieldPackageOS, FieldPackageName, FieldPackageVersion, FieldPackageNextVersion})
if err != nil {
return err
}
if len(branchPackages) == 0 {
// The branch does not exist yet
insertingStartPackage := packageParameter.Version == types.MinVersion
insertingEndPackage := packageParameter.Version == types.MaxVersion
// Create and insert a end package
endPackage := &Package{
OS: packageParameter.OS,
Name: packageParameter.Name,
Version: types.MaxVersion,
}
endPackage.Node = endPackage.GetNode()
t.AddQuad(cayley.Quad(endPackage.Node, FieldIs, FieldPackageIsValue, ""))
t.AddQuad(cayley.Quad(endPackage.Node, FieldPackageOS, endPackage.OS, ""))
t.AddQuad(cayley.Quad(endPackage.Node, FieldPackageName, endPackage.Name, ""))
t.AddQuad(cayley.Quad(endPackage.Node, FieldPackageVersion, endPackage.Version.String(), ""))
t.AddQuad(cayley.Quad(endPackage.Node, FieldPackageNextVersion, "", ""))
// Create the inserted package if it is different than a start/end package
var newPackage *Package
if !insertingStartPackage && !insertingEndPackage {
newPackage = &Package{
OS: packageParameter.OS,
Name: packageParameter.Name,
Version: packageParameter.Version,
}
newPackage.Node = newPackage.GetNode()
t.AddQuad(cayley.Quad(newPackage.Node, FieldIs, FieldPackageIsValue, ""))
t.AddQuad(cayley.Quad(newPackage.Node, FieldPackageOS, newPackage.OS, ""))
t.AddQuad(cayley.Quad(newPackage.Node, FieldPackageName, newPackage.Name, ""))
t.AddQuad(cayley.Quad(newPackage.Node, FieldPackageVersion, newPackage.Version.String(), ""))
t.AddQuad(cayley.Quad(newPackage.Node, FieldPackageNextVersion, endPackage.Node, ""))
packageParameter.Node = newPackage.Node
}
// Create and insert a start package
startPackage := &Package{
OS: packageParameter.OS,
Name: packageParameter.Name,
Version: types.MinVersion,
}
startPackage.Node = startPackage.GetNode()
t.AddQuad(cayley.Quad(startPackage.Node, FieldIs, FieldPackageIsValue, ""))
t.AddQuad(cayley.Quad(startPackage.Node, FieldPackageOS, startPackage.OS, ""))
t.AddQuad(cayley.Quad(startPackage.Node, FieldPackageName, startPackage.Name, ""))
t.AddQuad(cayley.Quad(startPackage.Node, FieldPackageVersion, startPackage.Version.String(), ""))
if !insertingStartPackage && !insertingEndPackage {
t.AddQuad(cayley.Quad(startPackage.Node, FieldPackageNextVersion, newPackage.Node, ""))
} else {
t.AddQuad(cayley.Quad(startPackage.Node, FieldPackageNextVersion, endPackage.Node, ""))
}
// Set package node
if insertingEndPackage {
packageParameter.Node = endPackage.Node
} else if insertingStartPackage {
packageParameter.Node = startPackage.Node
}
} else {
// The branch already exists
// Create the package
newPackage := &Package{OS: packageParameter.OS, Name: packageParameter.Name, Version: packageParameter.Version}
newPackage.Node = "package:" + utils.Hash(newPackage.Key())
packageParameter.Node = newPackage.Node
t.AddQuad(cayley.Quad(newPackage.Node, FieldIs, FieldPackageIsValue, ""))
t.AddQuad(cayley.Quad(newPackage.Node, FieldPackageOS, newPackage.OS, ""))
t.AddQuad(cayley.Quad(newPackage.Node, FieldPackageName, newPackage.Name, ""))
t.AddQuad(cayley.Quad(newPackage.Node, FieldPackageVersion, newPackage.Version.String(), ""))
// Sort branchPackages by version (including the new package)
branchPackages = append(branchPackages, newPackage)
sort.Sort(ByVersion(branchPackages))
// Find my prec/succ GraphID in the sorted slice now
newPackageKey := newPackage.Key()
var pred, succ *Package
var found bool
for _, p := range branchPackages {
equal := p.Key() == newPackageKey
if !equal && !found {
pred = p
} else if found {
succ = p
break
} else if equal {
found = true
continue
}
}
if pred == nil || succ == nil {
log.Warningf("could not find any package predecessor/successor of: [OS: %s, Name: %s, Version: %s].", packageParameter.OS, packageParameter.Name, packageParameter.Version)
return cerrors.NewBadRequestError("could not find package predecessor/successor")
}
// Link the new packages with the branch
t.RemoveQuad(cayley.Quad(pred.Node, FieldPackageNextVersion, succ.Node, ""))
pred.NextVersionNode = newPackage.Node
t.AddQuad(cayley.Quad(pred.Node, FieldPackageNextVersion, newPackage.Node, ""))
newPackage.NextVersionNode = succ.Node
t.AddQuad(cayley.Quad(newPackage.Node, FieldPackageNextVersion, succ.Node, ""))
}
// Apply transaction
if err := store.ApplyTransaction(t); err != nil {
log.Errorf("failed transaction (InsertPackages): %s", err)
return ErrTransaction
}
}
// Return
return nil
}
// GetNode returns an unique identifier for the graph node
// Requires the key fields: OS, Name, Version
func (p *Package) GetNode() string {
return FieldPackageIsValue + ":" + utils.Hash(p.Key())
}
// GetNode returns the node name of a Layer
// Requires the key field: ID
func (l *Layer) GetNode() string {
return fieldLayerIsValue + ":" + utils.Hash(l.ID)
}