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Copy pathcommon.go
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127 lines (106 loc) · 3.16 KB
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package pack
import (
"errors"
"fmt"
"github.com/google/go-containerregistry/pkg/name"
"github.com/buildpacks/pack/internal/builder"
"github.com/buildpacks/pack/internal/config"
"github.com/buildpacks/pack/internal/registry"
"github.com/buildpacks/pack/internal/style"
"github.com/buildpacks/pack/logging"
)
func (c *Client) parseTagReference(imageName string) (name.Reference, error) {
if imageName == "" {
return nil, errors.New("image is a required parameter")
}
if _, err := name.ParseReference(imageName, name.WeakValidation); err != nil {
return nil, err
}
ref, err := name.NewTag(imageName, name.WeakValidation)
if err != nil {
return nil, fmt.Errorf("'%s' is not a tag reference", imageName)
}
return ref, nil
}
func (c *Client) resolveRunImage(runImage, imgRegistry, bldrRegistry string, stackInfo builder.StackMetadata, additionalMirrors map[string][]string, publish bool) string {
if runImage != "" {
c.logger.Debugf("Using provided run-image %s", style.Symbol(runImage))
return runImage
}
preferredRegistry := bldrRegistry
if publish || bldrRegistry == "" {
preferredRegistry = imgRegistry
}
runImageName := getBestRunMirror(
preferredRegistry,
stackInfo.RunImage.Image,
stackInfo.RunImage.Mirrors,
additionalMirrors[stackInfo.RunImage.Image],
)
switch {
case runImageName == stackInfo.RunImage.Image:
c.logger.Debugf("Selected run image %s", style.Symbol(runImageName))
case contains(stackInfo.RunImage.Mirrors, runImageName):
c.logger.Debugf("Selected run image mirror %s", style.Symbol(runImageName))
default:
c.logger.Debugf("Selected run image mirror %s from local config", style.Symbol(runImageName))
}
return runImageName
}
func (c *Client) getRegistry(logger logging.Logger, registryName string) (registry.Cache, error) {
home, err := config.PackHome()
if err != nil {
return registry.Cache{}, err
}
if err := config.MkdirAll(home); err != nil {
return registry.Cache{}, err
}
cfg, err := getConfig()
if err != nil {
return registry.Cache{}, err
}
if registryName == "" {
return registry.NewDefaultRegistryCache(logger, home)
}
for _, reg := range config.GetRegistries(cfg) {
if reg.Name == registryName {
return registry.NewRegistryCache(logger, home, reg.URL)
}
}
return registry.Cache{}, fmt.Errorf("registry %s is not defined in your config file", style.Symbol(registryName))
}
func getConfig() (config.Config, error) {
path, err := config.DefaultConfigPath()
if err != nil {
return config.Config{}, err
}
cfg, err := config.Read(path)
if err != nil {
return config.Config{}, err
}
return cfg, nil
}
func contains(slc []string, v string) bool {
for _, s := range slc {
if s == v {
return true
}
}
return false
}
func getBestRunMirror(registry string, runImage string, mirrors []string, preferredMirrors []string) string {
runImageList := append(preferredMirrors, append([]string{runImage}, mirrors...)...)
for _, img := range runImageList {
ref, err := name.ParseReference(img, name.WeakValidation)
if err != nil {
continue
}
if ref.Context().RegistryStr() == registry {
return img
}
}
if len(preferredMirrors) > 0 {
return preferredMirrors[0]
}
return runImage
}