/*
Copyright 2024 Stefan Prodan
Licensed under the Apache License, Version 2.0 (the “License”);
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an “AS IS” BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package fetcher
import (
“context”
“fmt”
“os”
“path/filepath”
“strings”
apiv1 "github.com/stefanprodan/timoni/api/v1alpha1"
"github.com/stefanprodan/timoni/internal/oci"
)
type OCI struct {
ctx context.Context
src string
dst string
cacheDir string
version string
creds string
insecure bool
}
// NewOCI creates an oci Fetcher for the given module.
func NewOCI(ctx context.Context, src, version, dst, cacheDir, creds string, insecure bool) *OCI {
return &OCI{
ctx: ctx,
src: src,
dst: dst,
version: version,
cacheDir: cacheDir,
creds: creds,
insecure: insecure,
}
}
func (f *OCI) GetModuleRoot() string {
return filepath.Join(f.dst, “module”)
}
// Fetch copies the module contents to the destination directory.
// The artifact is pulled from the registry and its contents extracted to the destination dir.
func (f *OCI) Fetch() (*apiv1.ModuleReference, error) {
dstDir := f.GetModuleRoot()
ociURL := fmt.Sprintf("%s:%s", f.src, f.version)
if strings.HasPrefix(f.version, "@") {
ociURL = fmt.Sprintf("%s%s", f.src, f.version)
}
if err := os.MkdirAll(dstDir, os.ModePerm); err != nil {
return nil, err
}
if err := os.MkdirAll(f.cacheDir, os.ModePerm); err != nil {
return nil, err
}
opts := oci.Options(f.ctx, f.creds, f.insecure)
return oci.PullModule(ociURL, dstDir, f.cacheDir, opts)
}
