mirror of https://github.com/helm/helm
74 lines
1.9 KiB
74 lines
1.9 KiB
/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package registry // import "helm.sh/helm/v3/internal/experimental/registry"
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import (
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"io"
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"io/ioutil"
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"net/http"
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"github.com/containerd/containerd/remotes"
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"oras.land/oras-go/pkg/auth"
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dockerauth "oras.land/oras-go/pkg/auth/docker"
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"helm.sh/helm/v3/internal/version"
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"helm.sh/helm/v3/pkg/helmpath"
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)
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type (
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// Client works with OCI-compliant registries
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Client struct {
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debug bool
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// path to repository config file e.g. ~/.docker/config.json
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credentialsFile string
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out io.Writer
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authorizer auth.Client
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resolver remotes.Resolver
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}
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)
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// NewClient returns a new registry client with config
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func NewClient(options ...ClientOption) (*Client, error) {
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client := &Client{
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out: ioutil.Discard,
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}
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for _, option := range options {
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option(client)
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}
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if client.credentialsFile == "" {
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client.credentialsFile = helmpath.CachePath("registry", CredentialsFileBasename)
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}
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if client.authorizer == nil {
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authClient, err := dockerauth.NewClient(client.credentialsFile)
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if err != nil {
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return nil, err
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}
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client.authorizer = authClient
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}
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if client.resolver == nil {
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headers := http.Header{}
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headers.Set("User-Agent", version.GetUserAgent())
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opts := []auth.ResolverOption{auth.WithResolverHeaders(headers)}
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resolver, err := client.authorizer.ResolverWithOpts(opts...)
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if err != nil {
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return nil, err
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}
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client.resolver = resolver
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}
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return client, nil
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}
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