/
getter.go
76 lines (63 loc) · 1.62 KB
/
getter.go
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package helm
// Copied from https://github.com/kubernetes/helm/blob/release-2.6/pkg/getter/httpgetter.go
import (
"bytes"
"fmt"
"io"
"net/http"
"k8s.io/helm/pkg/getter"
"time"
"k8s.io/helm/pkg/tlsutil"
"k8s.io/helm/pkg/urlutil"
)
// httpGetter is the default HTTP(/S) backend handler
type httpGetter struct {
client *http.Client
}
// Get performs a Get from repo.Getter and returns the body.
func (g *httpGetter) Get(href string) (*bytes.Buffer, error) {
buf := bytes.NewBuffer(nil)
resp, err := g.client.Get(href)
if err != nil {
return buf, err
}
if resp.StatusCode != 200 {
return buf, fmt.Errorf("Failed to fetch %s : %s", href, resp.Status)
}
_, err = io.Copy(buf, resp.Body)
resp.Body.Close() // nolint: errcheck,gas
return buf, err
}
// newHTTPGetter constructs a valid http/https client as Getter
func newHTTPGetter(URL, CertFile, KeyFile, CAFile string) (getter.Getter, error) {
var client httpGetter
if CertFile != "" && KeyFile != "" {
tlsConf, err := tlsutil.NewClientTLS(CertFile, KeyFile, CAFile)
if err != nil {
return nil, fmt.Errorf("can't create TLS config for client: %s", err.Error())
}
tlsConf.BuildNameToCertificate()
sni, err := urlutil.ExtractHostname(URL)
if err != nil {
return nil, err
}
tlsConf.ServerName = sni
client.client = &http.Client{
Timeout: 30 * time.Second,
Transport: &http.Transport{
TLSClientConfig: tlsConf,
},
}
} else {
client.client = http.DefaultClient
}
return &client, nil
}
func newGetterProviders() getter.Providers {
return getter.Providers{
{
Schemes: []string{"http", "https"},
New: newHTTPGetter,
},
}
}