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package image
import (
"fmt"
"github.com/containers/buildah/pkg/parse"
"github.com/containers/image/v5/docker/reference"
"github.com/containers/image/v5/types"
podmanVersion "github.com/containers/podman/v2/version"
)
// DockerRegistryOptions encapsulates settings that affect how we connect or
// authenticate to a remote registry.
type DockerRegistryOptions struct {
// DockerRegistryCreds is the user name and password to supply in case
// we need to pull an image from a registry, and it requires us to
// authenticate.
DockerRegistryCreds *types.DockerAuthConfig
// DockerCertPath is the location of a directory containing CA
// certificates which will be used to verify the registry's certificate
// (all files with names ending in ".crt"), and possibly client
// certificates and private keys (pairs of files with the same name,
// except for ".cert" and ".key" suffixes).
DockerCertPath string
// DockerInsecureSkipTLSVerify turns off verification of TLS
// certificates and allows connecting to registries without encryption
// - or forces it on even if registries.conf has the registry configured as insecure.
DockerInsecureSkipTLSVerify types.OptionalBool
// If not "", overrides the use of platform.GOOS when choosing an image or verifying OS match.
OSChoice string
// If not "", overrides the use of platform.GOARCH when choosing an image or verifying architecture match.
ArchitectureChoice string
// If not "", overrides_VARIANT_ instead of the running architecture variant for choosing images.
VariantChoice string
// RegistriesConfPath can be used to override the default path of registries.conf.
RegistriesConfPath string
}
// GetSystemContext constructs a new system context from a parent context. the values in the DockerRegistryOptions, and other parameters.
func (o DockerRegistryOptions) GetSystemContext(parent *types.SystemContext, additionalDockerArchiveTags []reference.NamedTagged) *types.SystemContext {
sc := &types.SystemContext{
DockerAuthConfig: o.DockerRegistryCreds,
DockerCertPath: o.DockerCertPath,
DockerInsecureSkipTLSVerify: o.DockerInsecureSkipTLSVerify,
DockerArchiveAdditionalTags: additionalDockerArchiveTags,
OSChoice: o.OSChoice,
ArchitectureChoice: o.ArchitectureChoice,
VariantChoice: o.VariantChoice,
BigFilesTemporaryDir: parse.GetTempDir(),
}
if parent != nil {
sc.SignaturePolicyPath = parent.SignaturePolicyPath
sc.AuthFilePath = parent.AuthFilePath
sc.DirForceCompress = parent.DirForceCompress
sc.DockerRegistryUserAgent = parent.DockerRegistryUserAgent
sc.OSChoice = parent.OSChoice
sc.ArchitectureChoice = parent.ArchitectureChoice
}
return sc
}
// GetSystemContext Constructs a new containers/image/types.SystemContext{} struct from the given signaturePolicy path
func GetSystemContext(signaturePolicyPath, authFilePath string, forceCompress bool) *types.SystemContext {
sc := &types.SystemContext{}
if signaturePolicyPath != "" {
sc.SignaturePolicyPath = signaturePolicyPath
}
sc.AuthFilePath = authFilePath
sc.DirForceCompress = forceCompress
sc.DockerRegistryUserAgent = fmt.Sprintf("libpod/%s", podmanVersion.Version)
return sc
}
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