solver

Documentation

Overview

Package solver contains routines to build graph of pkg.yaml files.

Index

• type BuildkitFrontendLoader
  • func (bkfl *BuildkitFrontendLoader) Load() (*LoadResult, error)
• type FilesystemPackageLoader
  • func (fspl *FilesystemPackageLoader) Load() (*LoadResult, error)
• type LoadResult
• type PackageDependency
  • func (dep PackageDependency) ID() string
• type PackageGraph
  • func (graph *PackageGraph) ToSet() PackageSet
• type PackageLoader
• type PackageNode
  • func (node *PackageNode) DumpDot(g *dot.Graph) dot.Node
  • func (node *PackageNode) RuntimeDependencies() (deps []PackageDependency)
• type PackageSet
  • func (set PackageSet) DumpDot(w io.Writer)
• type Packages
  • func NewPackages(loader PackageLoader) (*Packages, error)
  • func (pkgs *Packages) ImageLabels(title string) map[string]string
  • func (pkgs *Packages) Resolve(target string) (*PackageGraph, error)
  • func (pkgs *Packages) ToSet() (set PackageSet)

Types

type BuildkitFrontendLoader

type BuildkitFrontendLoader struct {
	*log.Logger
	Context types.Variables
	Ref     client.Reference
	//nolint:containedctx
	Ctx context.Context
	// contains filtered or unexported fields
}

BuildkitFrontendLoader loads packages from buildkit client.Reference.

func (*BuildkitFrontendLoader) Load

func (bkfl *BuildkitFrontendLoader) Load() (*LoadResult, error)

Load implements PackageLoader.

type FilesystemPackageLoader

type FilesystemPackageLoader struct {
	*log.Logger
	Context types.Variables

	Root string
	// contains filtered or unexported fields
}

FilesystemPackageLoader loads packages by walking file system tree.

func (*FilesystemPackageLoader) Load

func (fspl *FilesystemPackageLoader) Load() (*LoadResult, error)

Load implements PackageLoader.

type LoadResult

type LoadResult struct {
	Pkgfile *v1alpha1.Pkgfile
	Pkgs    []*v1alpha1.Pkg
}

LoadResult is a result of PackageLoader.Load function.

type PackageDependency

type PackageDependency struct {
	// Pkg is set only for Internal dependencies.
	Node *PackageNode
	v1alpha1.Dependency
}

PackageDependency wraps v1alpha1.Depency with resolved internal dependencies.

func (PackageDependency) ID

func (dep PackageDependency) ID() string

ID returns unique string for dependency.

type PackageGraph

type PackageGraph struct {
	Root *PackageNode
}

PackageGraph capture root of the DAG.

func (*PackageGraph) ToSet

func (graph *PackageGraph) ToSet() PackageSet

ToSet converts graph to set of nodes.

type PackageLoader

type PackageLoader interface {
	Load() (*LoadResult, error)
}

PackageLoader implements some way to fetch collection of Pkgs.

type PackageNode

type PackageNode struct {
	Pkg          *v1alpha1.Pkg
	Name         string
	Dependencies []PackageDependency
}

PackageNode is a Pkg with associated dependencies.

func (*PackageNode) DumpDot

func (node *PackageNode) DumpDot(g *dot.Graph) dot.Node

DumpDot dumps node and dependencies.

func (*PackageNode) RuntimeDependencies

func (node *PackageNode) RuntimeDependencies() (deps []PackageDependency)

RuntimeDependencies returns (recursively) all the runtime dependencies for the package.

type PackageSet

type PackageSet []*PackageNode

PackageSet is a list of PackageNodes.

func (PackageSet) DumpDot

func (set PackageSet) DumpDot(w io.Writer)

DumpDot dumps nodes and deps in dot format.

type Packages

type Packages struct {
	// contains filtered or unexported fields
}

Packages is a collect of Pkg objects with dependencies tracked.

func NewPackages

func NewPackages(loader PackageLoader) (*Packages, error)

NewPackages builds Packages using PackageLoader.

func (*Packages) ImageLabels

func (pkgs *Packages) ImageLabels(title string) map[string]string

ImageLabels returns set of image labels to apply to the output image.

func (*Packages) Resolve

func (pkgs *Packages) Resolve(target string) (*PackageGraph, error)

Resolve trims down the package tree to have only deps of the target.

func (*Packages) ToSet

func (pkgs *Packages) ToSet() (set PackageSet)

ToSet converts to set of package nodes.