libjvm

package module
v0.0.0-...-6a9c84d Latest Latest
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 Go to latest Published: Jul 11, 2022 License: Apache-2.0 Imports: 30 Imported by: 2

README

github.com/paketo-buildpacks/libjvm

libjvm is a Go library and helper applications that form the basis for building the different Paketo-style JVM-providing buildpacks.

Usage

go get github.com/paketo-buildpacks/libjvm

License

This library is released under version 2.0 of the Apache License.

Documentation

Index

Constants

View Source 
const (
	PlanEntryNativeImageBuilder = "native-image-builder"
	PlanEntryJRE                = "jre"
	PlanEntryJDK                = "jdk"
)
View Source 
const DefaultCertFile = "/etc/ssl/certs/ca-certificates.crt"

Variables

View Source 
var Java18, _ = semver.NewVersion("18")
View Source 
var Java9, _ = semver.NewVersion("9")
View Source 
var NormalizedDateTime = time.Date(1980, time.January, 1, 0, 0, 1, 0, time.UTC)

Functions

func IsBeforeJava18 

func IsBeforeJava18(candidate string) bool

func IsBeforeJava9 

func IsBeforeJava9(candidate string) bool

func IsBuildContribution 

func IsBuildContribution(metadata map[string]interface{}) bool

func IsLaunchContribution 

func IsLaunchContribution(metadata map[string]interface{}) bool

func NewManifest 

func NewManifest(applicationPath string) (*properties.Properties, error)

NewManifest reads the <APP>/META-INF/MANIFEST.MF file if it exists, normalizing it into the standard properties form.

func NewManifestFromJAR 

func NewManifestFromJAR(jarFilePath string) (*properties.Properties, error)

NewManifestFromJAR reads the META-INF/MANIFEST.MF from a JAR file if it exists, normalizing it into the standard properties form.

Types

type Build 

type Build struct {
	Logger          bard.Logger
	Result          libcnb.BuildResult
	CertLoader      CertificateLoader
	DependencyCache libpak.DependencyCache
	Native          NativeImage
	CustomHelpers   []string
}

func NewBuild 

func NewBuild(logger bard.Logger, buildOpts ...BuildOption) Build

func (Build) Build 

func (b Build) Build(context libcnb.BuildContext) (libcnb.BuildResult, error)

type BuildOption 

type BuildOption func(build Build) Build

func WithCustomHelpers 

func WithCustomHelpers(customHelpers []string) BuildOption

func WithNativeImage 

func WithNativeImage(nativeImage NativeImage) BuildOption

type CertificateLoader 

type CertificateLoader struct {
	CertFile string
	CertDirs []string
	Logger   io.Writer
}

func NewCertificateLoader 

func NewCertificateLoader() CertificateLoader

func (*CertificateLoader) Load 

func (c *CertificateLoader) Load(path string, password string) error

func (*CertificateLoader) Metadata 

func (c *CertificateLoader) Metadata() (map[string]interface{}, error)

type Detect 

type Detect struct{}

func (Detect) Detect 

func (d Detect) Detect(context libcnb.DetectContext) (libcnb.DetectResult, error)

type DistributionType 

type DistributionType uint8
const (
	JDKType DistributionType = iota
	JREType
)

func (DistributionType) String 

func (d DistributionType) String() string

type JDK 

type JDK struct {
	CertificateLoader CertificateLoader
	LayerContributor  libpak.DependencyLayerContributor
	Logger            bard.Logger
}

func NewJDK 

func NewJDK(dependency libpak.BuildpackDependency, cache libpak.DependencyCache, certificateLoader CertificateLoader) (JDK, libcnb.BOMEntry, error)

func (JDK) Contribute 

func (j JDK) Contribute(layer libcnb.Layer) (libcnb.Layer, error)

func (JDK) Name 

func (j JDK) Name() string
type JLink struct {
	LayerContributor  libpak.LayerContributor
	Logger            bard.Logger
	ApplicationPath   string
	Executor          effect.Executor
	CertificateLoader CertificateLoader
	Metadata          map[string]interface{}
	JavaVersion       string
	Args              []string
	UserConfigured    bool
}
func NewJLink(applicationPath string, exec effect.Executor, args []string, certificateLoader CertificateLoader, metadata map[string]interface{}, userConfigured bool) (JLink, error)

func (JLink) Contribute 

func (j JLink) Contribute(layer libcnb.Layer) (libcnb.Layer, error)

func (JLink) Name 

func (j JLink) Name() string

type JRE 

type JRE struct {
	ApplicationPath   string
	CertificateLoader CertificateLoader
	DistributionType  DistributionType
	LayerContributor  libpak.DependencyLayerContributor
	Logger            bard.Logger
	Metadata          map[string]interface{}
}

func NewJRE 

func NewJRE(applicationPath string, dependency libpak.BuildpackDependency, cache libpak.DependencyCache, distributionType DistributionType, certificateLoader CertificateLoader, metadata map[string]interface{}) (JRE, libcnb.BOMEntry, error)

func (JRE) Contribute 

func (j JRE) Contribute(layer libcnb.Layer) (libcnb.Layer, error)

func (JRE) Name 

func (j JRE) Name() string

type JVMVersion 

type JVMVersion struct {
	Logger bard.Logger
}

func NewJVMVersion 

func NewJVMVersion(logger bard.Logger) JVMVersion

func (JVMVersion) GetJVMVersion 

func (j JVMVersion) GetJVMVersion(appPath string, cr libpak.ConfigurationResolver) (string, error)

type JavaSecurityProperties 

type JavaSecurityProperties struct {
	LayerContributor libpak.LayerContributor
	Logger           bard.Logger
}

func NewJavaSecurityProperties 

func NewJavaSecurityProperties(info libcnb.BuildpackInfo) JavaSecurityProperties

func (JavaSecurityProperties) Contribute 

func (j JavaSecurityProperties) Contribute(layer libcnb.Layer) (libcnb.Layer, error)

func (JavaSecurityProperties) Name 

func (j JavaSecurityProperties) Name() string

type MavenJAR 

type MavenJAR struct {

	// Name is the name of the JAR, without the version or extension.
	Name string `toml:"name"`

	// Version is the version of the JAR, without the name or extension.
	Version string `toml:"version"`

	// SHA256 is the SHA256 hash of the JAR.
	SHA256 string `toml:"sha256"`
}

MavenJAR is metadata about a JRE entry that follows Maven naming conventions.

func NewMavenJARListing 

func NewMavenJARListing(roots ...string) ([]MavenJAR, error)

NewMavenJARListing generates a listing of all JAR that follow Maven naming convention under the roots.

type NIK 

type NIK struct {
	CertificateLoader CertificateLoader
	DependencyCache   libpak.DependencyCache
	Executor          effect.Executor
	JDKDependency     libpak.BuildpackDependency
	LayerContributor  libpak.LayerContributor
	Logger            bard.Logger
	NativeDependency  *libpak.BuildpackDependency
	CustomCommand     string
	CustomArgs        []string
}

func NewNIK 

func NewNIK(jdkDependency libpak.BuildpackDependency, nativeDependency *libpak.BuildpackDependency, cache libpak.DependencyCache, certificateLoader CertificateLoader, customCommand string, customArgs []string) (NIK, []libcnb.BOMEntry, error)

func (NIK) Contribute 

func (n NIK) Contribute(layer libcnb.Layer) (libcnb.Layer, error)

func (NIK) Name 

func (NIK) Name() string

type NativeImage 

type NativeImage struct {
	BundledWithJDK bool
	CustomCommand  string
	CustomArgs     []string
}

type SDKInfo 

type SDKInfo struct {
	Type    string
	Version string
	Vendor  string
}

SDKInfo represents the information from each line in the `.sdkmanrc` file

func ReadSDKMANRC 

func ReadSDKMANRC(path string) ([]SDKInfo, error)

ReadSDKMANRC reads the `.sdkmanrc` format file from path and retuns the list of SDKS in it

Source Files

View all Source files

Directories

Path Synopsis
cmd
helper
main

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