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use an encrypted client certificate to connect to a docker daemon

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Signed-off-by: Arash Deshmeh <adeshmeh@ca.ibm.com>
This commit is contained in:
Arash Deshmeh 2017-02-25 15:17:23 -05:00
parent 7180f887ea
commit 603dd8b3b4
2 changed files with 23 additions and 1 deletions
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22
cli/command/cli.go
View file

@ -20,6 +20,7 @@ import (
dopts "github.com/docker/docker/opts"
"github.com/docker/go-connections/sockets"
"github.com/docker/go-connections/tlsconfig"
"github.com/docker/notary/passphrase"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"golang.org/x/net/context"
@ -153,9 +154,30 @@ func (cli *DockerCli) Initialize(opts *cliflags.ClientOptions) error {
var err error
cli.client, err = NewAPIClientFromFlags(opts.Common, cli.configFile)
if tlsconfig.IsErrEncryptedKey(err) {
var (
passwd string
giveup bool
)
passRetriever := passphrase.PromptRetrieverWithInOut(cli.In(), cli.Out(), nil)
for attempts := 0; tlsconfig.IsErrEncryptedKey(err); attempts++ {
// some code and comments borrowed from notary/trustmanager/keystore.go
passwd, giveup, err = passRetriever("private", "encrypted TLS private", false, attempts)
// Check if the passphrase retriever got an error or if it is telling us to give up
if giveup || err != nil {
return errors.Wrap(err, "private key is encrypted, but could not get passphrase")
}
opts.Common.TLSOptions.Passphrase = passwd
cli.client, err = NewAPIClientFromFlags(opts.Common, cli.configFile)
}
}
if err != nil {
return err
}
cli.defaultVersion = cli.client.ClientVersion()
if opts.Common.TrustKey == "" {

2
client/client_test.go
View file

@ -33,7 +33,7 @@ func TestNewEnvClient(t *testing.T) {
envs: map[string]string{
"DOCKER_CERT_PATH": "invalid/path",
},
expectedError: "Could not load X509 key pair: open invalid/path/cert.pem: no such file or directory. Make sure the key is not encrypted",
expectedError: "Could not load X509 key pair: open invalid/path/cert.pem: no such file or directory",
},
{
envs: map[string]string{