"crypto/sha256"
"fmt"
"io"
+ "io/ioutil"
+ "net"
"time"
"git.arvados.org/arvados.git/lib/config"
"git.arvados.org/arvados.git/sdk/go/arvadostest"
"git.arvados.org/arvados.git/sdk/go/auth"
"git.arvados.org/arvados.git/sdk/go/ctxlog"
+ "golang.org/x/crypto/ssh"
check "gopkg.in/check.v1"
)
authKey := fmt.Sprintf("%x", h.Sum(nil))
s.gw = &crunchrun.Gateway{
- DockerContainerID: new(string),
- ContainerUUID: s.ctrUUID,
- AuthSecret: authKey,
- Address: "localhost:0",
- Log: ctxlog.TestLogger(c),
+ DockerContainerID: new(string),
+ ContainerUUID: s.ctrUUID,
+ AuthSecret: authKey,
+ Address: "localhost:0",
+ Log: ctxlog.TestLogger(c),
+ ContainerIPAddress: func() (string, error) { return "localhost", nil },
}
c.Assert(s.gw.Start(), check.IsNil)
rootctx := auth.NewContext(context.Background(), &auth.Credentials{Tokens: []string{s.cluster.SystemRootToken}})
}
}
+func (s *ContainerGatewaySuite) TestDirectTCP(c *check.C) {
+ // Set up servers on a few TCP ports
+ var addrs []string
+ for i := 0; i < 3; i++ {
+ ln, err := net.Listen("tcp", ":0")
+ c.Assert(err, check.IsNil)
+ defer ln.Close()
+ addrs = append(addrs, ln.Addr().String())
+ go func() {
+ for {
+ conn, err := ln.Accept()
+ if err != nil {
+ return
+ }
+ var gotAddr string
+ fmt.Fscanf(conn, "%s\n", &gotAddr)
+ c.Logf("stub server listening at %s received string %q from remote %s", ln.Addr().String(), gotAddr, conn.RemoteAddr())
+ if gotAddr == ln.Addr().String() {
+ fmt.Fprintf(conn, "%s\n", ln.Addr().String())
+ }
+ conn.Close()
+ }
+ }()
+ }
+
+ c.Logf("connecting to %s", s.gw.Address)
+ sshconn, err := s.localdb.ContainerSSH(s.ctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID})
+ c.Assert(err, check.IsNil)
+ c.Assert(sshconn.Conn, check.NotNil)
+ defer sshconn.Conn.Close()
+ conn, chans, reqs, err := ssh.NewClientConn(sshconn.Conn, "zzzz-dz642-abcdeabcdeabcde", &ssh.ClientConfig{
+ HostKeyCallback: func(hostname string, remote net.Addr, key ssh.PublicKey) error { return nil },
+ })
+ c.Assert(err, check.IsNil)
+ client := ssh.NewClient(conn, chans, reqs)
+ for _, expectAddr := range addrs {
+ _, port, err := net.SplitHostPort(expectAddr)
+ c.Assert(err, check.IsNil)
+
+ c.Logf("trying foo:%s", port)
+ {
+ conn, err := client.Dial("tcp", "foo:"+port)
+ c.Assert(err, check.IsNil)
+ conn.SetDeadline(time.Now().Add(time.Second))
+ buf, err := ioutil.ReadAll(conn)
+ c.Check(err, check.IsNil)
+ c.Check(string(buf), check.Equals, "")
+ }
+
+ c.Logf("trying localhost:%s", port)
+ {
+ conn, err := client.Dial("tcp", "localhost:"+port)
+ c.Assert(err, check.IsNil)
+ conn.SetDeadline(time.Now().Add(time.Second))
+ conn.Write([]byte(expectAddr + "\n"))
+ var gotAddr string
+ fmt.Fscanf(conn, "%s\n", &gotAddr)
+ c.Check(gotAddr, check.Equals, expectAddr)
+ }
+ }
+}
+
func (s *ContainerGatewaySuite) TestConnect(c *check.C) {
c.Logf("connecting to %s", s.gw.Address)
sshconn, err := s.localdb.ContainerSSH(s.ctx, arvados.ContainerSSHOptions{UUID: s.ctrUUID})
// Receive binary
_, err = io.ReadFull(sshconn.Conn, buf[:4])
c.Check(err, check.IsNil)
- c.Check(buf[:4], check.DeepEquals, []byte{0, 0, 1, 0xfc})
// If we can get this far into an SSH handshake...
- c.Log("success, tunnel is working")
+ c.Logf("was able to read %x -- success, tunnel is working", buf[:4])
}()
select {
case <-done: