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Add some swarm encryption tests, and modify some existing ones, to test locking the whole cluster

Signed-off-by: cyli <cyli@twistedmatrix.com>
This commit is contained in:
cyli 2016-11-17 16:51:33 -08:00
parent 5c1826ec4d
commit be2603973d

View file

@ -849,6 +849,12 @@ func (s *DockerSwarmSuite) TestDNSConfigUpdate(c *check.C) {
c.Assert(strings.TrimSpace(out), checker.Equals, "{[1.2.3.4] [example.com] [timeout:3]}")
}
func getNodeStatus(c *check.C, d *SwarmDaemon) swarm.LocalNodeState {
info, err := d.info()
c.Assert(err, checker.IsNil)
return info.LocalNodeState
}
func (s *DockerSwarmSuite) TestSwarmInitLocked(c *check.C) {
d := s.AddDaemon(c, false, false)
@ -870,15 +876,11 @@ func (s *DockerSwarmSuite) TestSwarmInitLocked(c *check.C) {
outs, err = d.Cmd("swarm", "unlock-key", "-q")
c.Assert(outs, checker.Equals, unlockKey+"\n")
info, err := d.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
c.Assert(d.Restart(), checker.IsNil)
info, err = d.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateLocked)
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked)
cmd := d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString("wrong-secret-key")
@ -886,14 +888,14 @@ func (s *DockerSwarmSuite) TestSwarmInitLocked(c *check.C) {
c.Assert(err, checker.NotNil, check.Commentf("out: %v", string(out)))
c.Assert(string(out), checker.Contains, "invalid key")
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked)
cmd = d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err = cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
info, err = d.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
outs, err = d.Cmd("node", "ls")
c.Assert(err, checker.IsNil)
@ -903,13 +905,22 @@ func (s *DockerSwarmSuite) TestSwarmInitLocked(c *check.C) {
c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs))
// Wait for autolock to be turned off
time.Sleep(time.Second)
c.Assert(d.Restart(), checker.IsNil)
status := getNodeStatus(c, d)
if status == swarm.LocalNodeStateLocked {
// it must not have updated in time - unlock, wait 3 seconds, and try again
cmd := d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err := cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
info, err = d.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
time.Sleep(3 * time.Second)
c.Assert(d.Restart(), checker.IsNil)
}
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
outs, err = d.Cmd("node", "ls")
c.Assert(err, checker.IsNil)
@ -946,6 +957,191 @@ func (s *DockerSwarmSuite) TestSwarmLeaveLocked(c *check.C) {
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
}
func (s *DockerSwarmSuite) TestSwarmLockUnlockCluster(c *check.C) {
d1 := s.AddDaemon(c, true, true)
d2 := s.AddDaemon(c, true, true)
d3 := s.AddDaemon(c, true, true)
// they start off unlocked
c.Assert(d2.Restart(), checker.IsNil)
c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateActive)
// stop this one so it does not get autolock info
c.Assert(d2.Stop(), checker.IsNil)
// enable autolock
outs, err := d1.Cmd("swarm", "update", "--autolock")
c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs))
c.Assert(outs, checker.Contains, "docker swarm unlock")
var unlockKey string
for _, line := range strings.Split(outs, "\n") {
if strings.Contains(line, "SWMKEY") {
unlockKey = strings.TrimSpace(line)
break
}
}
c.Assert(unlockKey, checker.Not(checker.Equals), "")
outs, err = d1.Cmd("swarm", "unlock-key", "-q")
c.Assert(outs, checker.Equals, unlockKey+"\n")
// The ones that got the cluster update should be set to locked
for _, d := range []*SwarmDaemon{d1, d3} {
c.Assert(d.Restart(), checker.IsNil)
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked)
cmd := d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err := cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
}
// d2 never got the cluster update, so it is still set to unlocked
c.Assert(d2.Start(), checker.IsNil)
c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateActive)
// d2 is now set to lock
c.Assert(d2.Restart(), checker.IsNil)
status := getNodeStatus(c, d2)
if status == swarm.LocalNodeStateActive {
// it must not have updated in time - wait 3 seconds, and try again
time.Sleep(3 * time.Second)
c.Assert(d2.Restart(), checker.IsNil)
}
c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateLocked)
// leave it locked, and set the cluster to no longer autolock
outs, err = d1.Cmd("swarm", "update", "--autolock=false")
c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs))
// the ones that got the update are now set to unlocked
for _, d := range []*SwarmDaemon{d1, d3} {
c.Assert(d.Restart(), checker.IsNil)
status := getNodeStatus(c, d)
if status == swarm.LocalNodeStateLocked {
// it must not have updated to be unlocked in time - unlock, wait 3 seconds, and try again
cmd := d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err := cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
time.Sleep(3 * time.Second)
c.Assert(d.Restart(), checker.IsNil)
}
c.Assert(d.Restart(), checker.IsNil)
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
}
// d2 still locked
c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateLocked)
// unlock it
cmd := d2.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err := cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateActive)
// once it's caught up, d2 is set to not be locked
c.Assert(d2.Restart(), checker.IsNil)
c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateActive)
// managers who join now are also unlocked
d4 := s.AddDaemon(c, true, true)
c.Assert(d4.Restart(), checker.IsNil)
c.Assert(getNodeStatus(c, d4), checker.Equals, swarm.LocalNodeStateActive)
}
func (s *DockerSwarmSuite) TestSwarmJoinPromoteLocked(c *check.C) {
d1 := s.AddDaemon(c, true, true)
// enable autolock
outs, err := d1.Cmd("swarm", "update", "--autolock")
c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs))
c.Assert(outs, checker.Contains, "docker swarm unlock")
var unlockKey string
for _, line := range strings.Split(outs, "\n") {
if strings.Contains(line, "SWMKEY") {
unlockKey = strings.TrimSpace(line)
break
}
}
c.Assert(unlockKey, checker.Not(checker.Equals), "")
outs, err = d1.Cmd("swarm", "unlock-key", "-q")
c.Assert(outs, checker.Equals, unlockKey+"\n")
// joined workers start off unlocked
d2 := s.AddDaemon(c, true, false)
c.Assert(d2.Restart(), checker.IsNil)
c.Assert(getNodeStatus(c, d2), checker.Equals, swarm.LocalNodeStateActive)
// promote worker
outs, err = d1.Cmd("node", "promote", d2.Info.NodeID)
c.Assert(err, checker.IsNil)
c.Assert(outs, checker.Contains, "promoted to a manager in the swarm")
// join new manager node
d3 := s.AddDaemon(c, true, true)
// both new nodes are locked
for _, d := range []*SwarmDaemon{d2, d3} {
c.Assert(d.Restart(), checker.IsNil)
status := getNodeStatus(c, d)
if status == swarm.LocalNodeStateActive {
// it must not have updated in time - wait 3 seconds, and try again
time.Sleep(3 * time.Second)
c.Assert(d.Restart(), checker.IsNil)
}
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked)
cmd := d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err := cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
}
// demote manager back to worker - workers are not locked
outs, err = d1.Cmd("node", "demote", d3.Info.NodeID)
c.Assert(err, checker.IsNil)
c.Assert(outs, checker.Contains, "demoted in the swarm")
// verify that it's been demoted
out, err := d1.Cmd("node", "ls", "--filter", "id="+d3.Info.NodeID)
c.Assert(err, checker.IsNil)
lines := strings.Split(strings.TrimSpace(out), "\n")
c.Assert(len(lines), checker.GreaterThan, 0)
columns := strings.Fields(lines[len(lines)-1])
c.Assert(columns, checker.HasLen, 4) // if it was a manager it'd have a manager status field
c.Assert(d3.Restart(), checker.IsNil)
status := getNodeStatus(c, d3)
if status == swarm.LocalNodeStateLocked {
// it must not have updated in time - unlock, wait 3 seconds, and try again
cmd := d3.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err := cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
c.Assert(getNodeStatus(c, d3), checker.Equals, swarm.LocalNodeStateActive)
time.Sleep(3 * time.Second)
c.Assert(d3.Restart(), checker.IsNil)
}
c.Assert(getNodeStatus(c, d3), checker.Equals, swarm.LocalNodeStateActive)
}
func (s *DockerSwarmSuite) TestSwarmRotateUnlockKey(c *check.C) {
d := s.AddDaemon(c, true, true)
@ -977,10 +1173,7 @@ func (s *DockerSwarmSuite) TestSwarmRotateUnlockKey(c *check.C) {
c.Assert(newUnlockKey, checker.Not(checker.Equals), unlockKey)
c.Assert(d.Restart(), checker.IsNil)
info, err := d.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateLocked)
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked)
outs, _ = d.Cmd("node", "ls")
c.Assert(outs, checker.Contains, "Swarm is encrypted and needs to be unlocked")
@ -1017,9 +1210,7 @@ func (s *DockerSwarmSuite) TestSwarmRotateUnlockKey(c *check.C) {
out, err = cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
info, err = d.info()
c.Assert(err, checker.IsNil)
c.Assert(info.LocalNodeState, checker.Equals, swarm.LocalNodeStateActive)
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
outs, err = d.Cmd("node", "ls")
c.Assert(err, checker.IsNil)
@ -1029,6 +1220,151 @@ func (s *DockerSwarmSuite) TestSwarmRotateUnlockKey(c *check.C) {
}
}
// This differs from `TestSwarmRotateUnlockKey` because that one rotates a single node, which is the leader.
// This one keeps the leader up, and asserts that other manager nodes in the cluster also have their unlock
// key rotated.
func (s *DockerSwarmSuite) TestSwarmClusterRotateUnlockKey(c *check.C) {
d1 := s.AddDaemon(c, true, true) // leader - don't restart this one, we don't want leader election delays
d2 := s.AddDaemon(c, true, true)
d3 := s.AddDaemon(c, true, true)
outs, err := d1.Cmd("swarm", "update", "--autolock")
c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs))
c.Assert(outs, checker.Contains, "docker swarm unlock")
var unlockKey string
for _, line := range strings.Split(outs, "\n") {
if strings.Contains(line, "SWMKEY") {
unlockKey = strings.TrimSpace(line)
break
}
}
c.Assert(unlockKey, checker.Not(checker.Equals), "")
outs, err = d1.Cmd("swarm", "unlock-key", "-q")
c.Assert(outs, checker.Equals, unlockKey+"\n")
// Rotate multiple times
for i := 0; i != 3; i++ {
outs, err = d1.Cmd("swarm", "unlock-key", "-q", "--rotate")
c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs))
// Strip \n
newUnlockKey := outs[:len(outs)-1]
c.Assert(newUnlockKey, checker.Not(checker.Equals), "")
c.Assert(newUnlockKey, checker.Not(checker.Equals), unlockKey)
c.Assert(d2.Restart(), checker.IsNil)
c.Assert(d3.Restart(), checker.IsNil)
for _, d := range []*SwarmDaemon{d2, d3} {
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateLocked)
outs, _ := d.Cmd("node", "ls")
c.Assert(outs, checker.Contains, "Swarm is encrypted and needs to be unlocked")
cmd := d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err := cmd.CombinedOutput()
if err == nil {
// On occasion, the daemon may not have finished
// rotating the KEK before restarting. The test is
// intentionally written to explore this behavior.
// When this happens, unlocking with the old key will
// succeed. If we wait for the rotation to happen and
// restart again, the new key should be required this
// time.
time.Sleep(3 * time.Second)
c.Assert(d.Restart(), checker.IsNil)
cmd = d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err = cmd.CombinedOutput()
}
c.Assert(err, checker.NotNil, check.Commentf("out: %v", string(out)))
c.Assert(string(out), checker.Contains, "invalid key")
outs, _ = d.Cmd("node", "ls")
c.Assert(outs, checker.Contains, "Swarm is encrypted and needs to be unlocked")
cmd = d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(newUnlockKey)
out, err = cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
outs, err = d.Cmd("node", "ls")
c.Assert(err, checker.IsNil)
c.Assert(outs, checker.Not(checker.Contains), "Swarm is encrypted and needs to be unlocked")
}
unlockKey = newUnlockKey
}
}
func (s *DockerSwarmSuite) TestSwarmAlternateLockUnlock(c *check.C) {
d := s.AddDaemon(c, true, true)
var unlockKey string
for i := 0; i < 2; i++ {
// set to lock
outs, err := d.Cmd("swarm", "update", "--autolock")
c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs))
c.Assert(outs, checker.Contains, "docker swarm unlock")
for _, line := range strings.Split(outs, "\n") {
if strings.Contains(line, "SWMKEY") {
unlockKey = strings.TrimSpace(line)
break
}
}
c.Assert(unlockKey, checker.Not(checker.Equals), "")
c.Assert(d.Restart(), checker.IsNil)
status := getNodeStatus(c, d)
if status == swarm.LocalNodeStateActive {
// hasn't updated yet - wait and try again
time.Sleep(3 * time.Second)
c.Assert(d.Restart(), checker.IsNil)
status = getNodeStatus(c, d)
}
c.Assert(status, checker.Equals, swarm.LocalNodeStateLocked)
cmd := d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err := cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
outs, err = d.Cmd("swarm", "update", "--autolock=false")
c.Assert(err, checker.IsNil, check.Commentf("out: %v", outs))
c.Assert(d.Restart(), checker.IsNil)
status = getNodeStatus(c, d)
if status == swarm.LocalNodeStateLocked {
// it must not have updated to be unlocked in time - unlock, wait 3 seconds, and try again
cmd := d.command("swarm", "unlock")
cmd.Stdin = bytes.NewBufferString(unlockKey)
out, err := cmd.CombinedOutput()
c.Assert(err, checker.IsNil, check.Commentf("out: %v", string(out)))
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
time.Sleep(3 * time.Second)
c.Assert(d.Restart(), checker.IsNil)
status = getNodeStatus(c, d)
}
c.Assert(getNodeStatus(c, d), checker.Equals, swarm.LocalNodeStateActive)
}
}
func (s *DockerSwarmSuite) TestExtraHosts(c *check.C) {
d := s.AddDaemon(c, true, true)