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Make sure sbJoin programming rollback happens on each error

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Signed-off-by: Alessandro Boch <aboch@docker.com>
This commit is contained in:
Alessandro Boch 2017-04-17 10:44:14 -07:00
parent de0926bf39
commit b4e5078bd5
1 changed files with 12 additions and 13 deletions
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25
libnetwork/endpoint.go
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@ -427,7 +427,7 @@ func (ep *endpoint) Join(sbox Sandbox, options ...EndpointOption) error {
return ep.sbJoin(sb, options...)
}
func (ep *endpoint) sbJoin(sb *sandbox, options ...EndpointOption) error {
func (ep *endpoint) sbJoin(sb *sandbox, options ...EndpointOption) (err error) {
n, err := ep.getNetworkFromStore()
if err != nil {
return fmt.Errorf("failed to get network from store during join: %v", err)
@ -462,7 +462,7 @@ func (ep *endpoint) sbJoin(sb *sandbox, options ...EndpointOption) error {
d, err := n.driver(true)
if err != nil {
return fmt.Errorf("failed to join endpoint: %v", err)
return fmt.Errorf("failed to get driver during join: %v", err)
}
err = d.Join(nid, epid, sb.Key(), ep, sb.Labels())
@ -471,8 +471,8 @@ func (ep *endpoint) sbJoin(sb *sandbox, options ...EndpointOption) error {
}
defer func() {
if err != nil {
if err := d.Leave(nid, epid); err != nil {
logrus.Warnf("driver leave failed while rolling back join: %v", err)
if e := d.Leave(nid, epid); e != nil {
logrus.Warnf("driver leave failed while rolling back join: %v", e)
}
}
}()
@ -528,8 +528,7 @@ func (ep *endpoint) sbJoin(sb *sandbox, options ...EndpointOption) error {
}()
if sb.needDefaultGW() && sb.getEndpointInGWNetwork() == nil {
err = sb.setupDefaultGW()
return err
return sb.setupDefaultGW()
}
moveExtConn := sb.getGatewayEndpoint() != extEp
@ -539,11 +538,11 @@ func (ep *endpoint) sbJoin(sb *sandbox, options ...EndpointOption) error {
logrus.Debugf("Revoking external connectivity on endpoint %s (%s)", extEp.Name(), extEp.ID())
extN, err := extEp.getNetworkFromStore()
if err != nil {
return fmt.Errorf("failed to get network from store during join: %v", err)
return fmt.Errorf("failed to get network from store for revoking external connectivity during join: %v", err)
}
extD, err := extN.driver(true)
if err != nil {
return fmt.Errorf("failed to join endpoint: %v", err)
return fmt.Errorf("failed to get driver for revoking external connectivity during join: %v", err)
}
if err = extD.RevokeExternalConnectivity(extEp.network.ID(), extEp.ID()); err != nil {
return types.InternalErrorf(
@ -571,9 +570,9 @@ func (ep *endpoint) sbJoin(sb *sandbox, options ...EndpointOption) error {
}
if !sb.needDefaultGW() {
if err := sb.clearDefaultGW(); err != nil {
if e := sb.clearDefaultGW(); e != nil {
logrus.Warnf("Failure while disconnecting sandbox %s (%s) from gateway network: %v",
sb.ID(), sb.ContainerID(), err)
sb.ID(), sb.ContainerID(), e)
}
}
@ -706,7 +705,7 @@ func (ep *endpoint) sbLeave(sb *sandbox, force bool, options ...EndpointOption)
d, err := n.driver(!force)
if err != nil {
return fmt.Errorf("failed to leave endpoint: %v", err)
return fmt.Errorf("failed to get driver during endpoint leave: %v", err)
}
ep.Lock()
@ -766,11 +765,11 @@ func (ep *endpoint) sbLeave(sb *sandbox, force bool, options ...EndpointOption)
logrus.Debugf("Programming external connectivity on endpoint %s (%s)", extEp.Name(), extEp.ID())
extN, err := extEp.getNetworkFromStore()
if err != nil {
return fmt.Errorf("failed to get network from store during leave: %v", err)
return fmt.Errorf("failed to get network from store for programming external connectivity during leave: %v", err)
}
extD, err := extN.driver(true)
if err != nil {
return fmt.Errorf("failed to leave endpoint: %v", err)
return fmt.Errorf("failed to get driver for programming external connectivity during leave: %v", err)
}
if err := extD.ProgramExternalConnectivity(extEp.network.ID(), extEp.ID(), sb.Labels()); err != nil {
logrus.Warnf("driver failed programming external connectivity on endpoint %s: (%s) %v",