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Fixed a bug in bridge driver where when the bridge already exists

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the bridgeInterface.bridgeIPv4 is not getting initialized properly

Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
This commit is contained in:
Jana Radhakrishnan 2015-04-16 05:02:21 +00:00
parent 56c3adda07
commit b0a38a0d1b
2 changed files with 8 additions and 2 deletions
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2
libnetwork/drivers/bridge/bridge.go
View file

@ -156,7 +156,7 @@ func (d *driver) CreateNetwork(id driverapi.UUID, option interface{}) error {
// We ensure that the bridge has the expectedIPv4 and IPv6 addresses in
// the case of a previously existing device.
{bridgeAlreadyExists, setupVerifyConfiguredAddresses},
{bridgeAlreadyExists, setupVerifyAndReconcile},
// Setup the bridge to allocate containers IPv4 addresses in the
// specified subnet.

8
libnetwork/drivers/bridge/setup_verify.go
View file

@ -6,7 +6,7 @@ import (
"github.com/vishvananda/netlink"
)
func setupVerifyConfiguredAddresses(config *Configuration, i *bridgeInterface) error {
func setupVerifyAndReconcile(config *Configuration, i *bridgeInterface) error {
// Fetch a single IPv4 and a slice of IPv6 addresses from the bridge.
addrv4, addrsv6, err := i.addresses()
if err != nil {
@ -29,6 +29,12 @@ func setupVerifyConfiguredAddresses(config *Configuration, i *bridgeInterface) e
return fmt.Errorf("Bridge IPv6 addresses do not match the expected bridge configuration %s", bridgeIPv6)
}
// By this time we have either configured a new bridge with an IP address
// or made sure an existing bridge's IP matches the configuration
// Now is the time to cache these states in the bridgeInterface.
i.bridgeIPv4 = addrv4.IPNet
i.bridgeIPv6 = bridgeIPv6
return nil
}