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Remove unused key handling functions

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Signed-off-by: Santhosh Manohar <santhosh@docker.com>
This commit is contained in:
Santhosh Manohar 2016-08-03 17:58:24 -07:00
parent 0229451f3d
commit ab02b015ef
2 changed files with 15 additions and 85 deletions
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82
libnetwork/agent.go
View file

@ -164,82 +164,6 @@ func (c *controller) handleKeyChange(keys []*types.EncryptionKey) error {
return nil
}
func (c *controller) handleKeyChangeV1(keys []*types.EncryptionKey) error {
drvEnc := discoverapi.DriverEncryptionUpdate{}
// Find the new key and add it to the key ring
a := c.agent
for _, key := range keys {
same := false
for _, cKey := range c.keys {
if same = cKey.LamportTime == key.LamportTime; same {
break
}
}
if !same {
c.keys = append(c.keys, key)
if key.Subsystem == subsysGossip {
a.networkDB.SetKey(key.Key)
}
if key.Subsystem == subsysGossip /*subsysIPSec*/ {
drvEnc.Key = key.Key
drvEnc.Tag = key.LamportTime
}
break
}
}
// Find the deleted key. If the deleted key was the primary key,
// a new primary key should be set before removing if from keyring.
deleted := []byte{}
for i, cKey := range c.keys {
same := false
for _, key := range keys {
if same = key.LamportTime == cKey.LamportTime; same {
break
}
}
if !same {
if cKey.Subsystem == subsysGossip {
deleted = cKey.Key
}
if cKey.Subsystem == subsysGossip /*subsysIPSec*/ {
drvEnc.Prune = cKey.Key
drvEnc.PruneTag = cKey.LamportTime
}
c.keys = append(c.keys[:i], c.keys[i+1:]...)
break
}
}
sort.Sort(ByTime(c.keys))
for _, key := range c.keys {
if key.Subsystem == subsysGossip {
a.networkDB.SetPrimaryKey(key.Key)
break
}
}
for _, key := range c.keys {
if key.Subsystem == subsysGossip /*subsysIPSec*/ {
drvEnc.Primary = key.Key
drvEnc.PrimaryTag = key.LamportTime
break
}
}
if len(deleted) > 0 {
a.networkDB.RemoveKey(deleted)
}
c.drvRegistry.WalkDrivers(func(name string, driver driverapi.Driver, capability driverapi.Capability) bool {
err := driver.DiscoverNew(discoverapi.EncryptionKeysUpdate, drvEnc)
if err != nil {
logrus.Warnf("Failed to update datapath keys in driver %s: %v", name, err)
}
return false
})
return nil
}
func (c *controller) agentSetup() error {
clusterProvider := c.cfg.Daemon.ClusterProvider
@ -287,9 +211,6 @@ func (c *controller) getKeys(subsys string) ([][]byte, []uint64) {
}
}
if len(keys) < keyringSize {
return keys, tags
}
keys[0], keys[1] = keys[1], keys[0]
tags[0], tags[1] = tags[1], tags[0]
return keys, tags
@ -305,9 +226,6 @@ func (c *controller) getPrimaryKeyTag(subsys string) ([]byte, uint64, error) {
keys = append(keys, key)
}
}
if len(keys) < 2 {
return nil, 0, fmt.Errorf("primary key for subsystem %s not found", subsys)
}
return keys[1].Key, keys[1].LamportTime, nil
}

18
libnetwork/controller.go
View file

@ -250,6 +250,21 @@ func (c *controller) SetKeys(keys []*types.EncryptionKey) error {
clusterConfigAvailable := c.clusterConfigAvailable
agent := c.agent
c.Unlock()
subsysKeys := make(map[string]int)
for _, key := range keys {
if key.Subsystem != subsysGossip &&
key.Subsystem != subsysIPSec {
return fmt.Errorf("key received for unrecognized subsystem")
}
subsysKeys[key.Subsystem]++
}
for s, count := range subsysKeys {
if count != keyringSize {
return fmt.Errorf("incorrect number of keys for susbsystem %v", s)
}
}
if len(existingKeys) == 0 {
c.Lock()
c.keys = keys
@ -269,9 +284,6 @@ func (c *controller) SetKeys(keys []*types.EncryptionKey) error {
c.Unlock()
return nil
}
if len(keys) < keyringSize {
return c.handleKeyChangeV1(keys)
}
return c.handleKeyChange(keys)
}