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Remove duplicate code for setupCertificates #356

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Merged
runcom merged 1 commit into from
Oct 11, 2017
Merged

Remove duplicate code for setupCertificates #356

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64 changes: 0 additions & 64 deletions docker/docker_client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@ import (
"io"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"strings"
"time"
Expand Down Expand Up @@ -125,69 +124,6 @@ func dockerCertDir(ctx *types.SystemContext, hostPort string) string {
return filepath.Join(hostCertDir, hostPort)
}

func setupCertificates(dir string, tlsc *tls.Config) error {
logrus.Debugf("Looking for TLS certificates and private keys in %s", dir)
fs, err := ioutil.ReadDir(dir)
if err != nil {
if os.IsNotExist(err) {
return nil
}
if os.IsPermission(err) {
logrus.Debugf("Skipping scan of %s due to permission error: %v", dir, err)
return nil
}
return err
}

for _, f := range fs {
fullPath := filepath.Join(dir, f.Name())
if strings.HasSuffix(f.Name(), ".crt") {
systemPool, err := tlsconfig.SystemCertPool()
if err != nil {
return errors.Wrap(err, "unable to get system cert pool")
}
tlsc.RootCAs = systemPool
logrus.Debugf(" crt: %s", fullPath)
data, err := ioutil.ReadFile(fullPath)
if err != nil {
return err
}
tlsc.RootCAs.AppendCertsFromPEM(data)
}
if strings.HasSuffix(f.Name(), ".cert") {
certName := f.Name()
keyName := certName[:len(certName)-5] + ".key"
logrus.Debugf(" cert: %s", fullPath)
if !hasFile(fs, keyName) {
return errors.Errorf("missing key %s for client certificate %s. Note that CA certificates should use the extension .crt", keyName, certName)
}
cert, err := tls.LoadX509KeyPair(filepath.Join(dir, certName), filepath.Join(dir, keyName))
if err != nil {
return err
}
tlsc.Certificates = append(tlsc.Certificates, cert)
}
if strings.HasSuffix(f.Name(), ".key") {
keyName := f.Name()
certName := keyName[:len(keyName)-4] + ".cert"
logrus.Debugf(" key: %s", fullPath)
if !hasFile(fs, certName) {
return errors.Errorf("missing client certificate %s for key %s", certName, keyName)
}
}
}
return nil
}

func hasFile(files []os.FileInfo, name string) bool {
for _, f := range files {
if f.Name() == name {
return true
}
}
return false
}

// newDockerClientFromRef returns a new dockerClient instance for refHostname (a host a specified in the Docker image reference, not canonicalized to dockerRegistry)
// “write” specifies whether the client will be used for "write" access (in particular passed to lookaside.go:toplevelFromSection)
func newDockerClientFromRef(ctx *types.SystemContext, ref dockerReference, write bool, actions string) (*dockerClient, error) {
Expand Down