added --insecure-skip-tls-verify for chart repos

Signed-off-by: Matthias Riegler <me@xvzf.tech>

cmd/helm/repo_add.go

@@ -46,6 +46,7 @@ type repoAddOptions struct {
 	certFile              string
 	keyFile               string
 	caFile                string
+	insecureSkipTLSverify bool
 
 	repoFile  string
 	repoCache string
@@ -75,6 +76,7 @@ func newRepoAddCmd(out io.Writer) *cobra.Command {
 	f.StringVar(&o.certFile, "cert-file", "", "identify HTTPS client using this SSL certificate file")
 	f.StringVar(&o.keyFile, "key-file", "", "identify HTTPS client using this SSL key file")
 	f.StringVar(&o.caFile, "ca-file", "", "verify certificates of HTTPS-enabled servers using this CA bundle")
+	f.BoolVar(&o.insecureSkipTLSverify, "insecure-skip-tls-verify", false, "skip tls certificate checks for the repository")
 
 	return cmd
 }

pkg/getter/getter.go

@@ -32,6 +32,7 @@ type options struct {
 	certFile              string
 	keyFile               string
 	caFile                string
+	insecureSkipVerifyTLS bool
 	username              string
 	password              string
 	userAgent             string
@@ -64,6 +65,13 @@ func WithUserAgent(userAgent string) Option {
 	}
 }
 
+// WithInsecureSkipVerifyTLS determines if a TLS Certificate will be checked
+func WithInsecureSkipVerifyTLS(insecureSkipVerifyTLS bool) Option {
+	return func(opts *options) {
+		opts.insecureSkipVerifyTLS = insecureSkipVerifyTLS
+	}
+}
+
 // WithTLSClientConfig sets the client client auth with the provided credentials.
 func WithTLSClientConfig(certFile, keyFile, caFile string) Option {
 	return func(opts *options) {

pkg/getter/httpgetter.go

@@ -17,6 +17,7 @@ package getter
 
 import (
 	"bytes"
+	"crypto/tls"
 	"io"
 	"net/http"
 
@@ -111,5 +112,18 @@ func (g *HTTPGetter) httpClient() (*http.Client, error) {
 
 		return client, nil
 	}
+
+	if g.opts.insecureSkipVerifyTLS {
+		client := &http.Client{
+			Transport: &http.Transport{
+				TLSClientConfig: &tls.Config{
+					InsecureSkipVerify: true,
+				},
+			},
+		}
+
+		return client, nil
+	}
+
 	return http.DefaultClient, nil
 }

pkg/repo/chartrepo.go

@@ -45,6 +45,7 @@ type Entry struct {
 	CertFile              string `json:"certFile"`
 	KeyFile               string `json:"keyFile"`
 	CAFile                string `json:"caFile"`
+	InsecureSkipTLSverify bool   `json:"insecure_skip_tls_verify"`
 }
 
 // ChartRepository represents a chart repository
@@ -121,6 +122,7 @@ func (r *ChartRepository) DownloadIndexFile() (string, error) {
 	// TODO add user-agent
 	resp, err := r.Client.Get(indexURL,
 		getter.WithURL(r.Config.URL),
+		getter.WithInsecureSkipVerifyTLS(r.Config.InsecureSkipTLSverify),
 		getter.WithTLSClientConfig(r.Config.CertFile, r.Config.KeyFile, r.Config.CAFile),
 		getter.WithBasicAuth(r.Config.Username, r.Config.Password),
 	)