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Do not clear swarm directory at the begining of swarm init and swarm join now.

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However, do clear the directory if init or join fails, because we don't
want to leave it in a half-finished state.

Signed-off-by: Ying Li <ying.li@docker.com>
This commit is contained in:
Ying Li 2017-05-22 13:52:55 -07:00
parent 65f360fc41
commit bf3e9293a6
1 changed files with 6 additions and 11 deletions
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17
daemon/cluster/swarm.go
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@ -88,10 +88,6 @@ func (c *Cluster) Init(req types.InitRequest) (string, error) {
}
}
if !req.ForceNewCluster {
clearPersistentState(c.root)
}
nr, err := c.newNodeRunner(nodeStartConfig{
forceNewCluster: req.ForceNewCluster,
autolock: req.AutoLockManagers,
@ -109,16 +105,14 @@ func (c *Cluster) Init(req types.InitRequest) (string, error) {
c.mu.Unlock()
if err := <-nr.Ready(); err != nil {
c.mu.Lock()
c.nr = nil
c.mu.Unlock()
if !req.ForceNewCluster { // if failure on first attempt don't keep state
if err := clearPersistentState(c.root); err != nil {
return "", err
}
}
if err != nil {
c.mu.Lock()
c.nr = nil
c.mu.Unlock()
}
return "", err
}
state := nr.State()
@ -166,8 +160,6 @@ func (c *Cluster) Join(req types.JoinRequest) error {
return err
}
clearPersistentState(c.root)
nr, err := c.newNodeRunner(nodeStartConfig{
RemoteAddr: req.RemoteAddrs[0],
ListenAddr: net.JoinHostPort(listenHost, listenPort),
@ -193,6 +185,9 @@ func (c *Cluster) Join(req types.JoinRequest) error {
c.mu.Lock()
c.nr = nil
c.mu.Unlock()
if err := clearPersistentState(c.root); err != nil {
return err
}
}
return err
}