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Replacing isReservedNetwork with Driver capability

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Currently store makes use of a static isReservedNetwork check to decide
if a network needs to be stored in the distributed store or not. But it
is better if the check is not static, but be determined based on the
capability of the driver that backs the network.

Hence introducing a new capability mechanism to the driver which it can
express its capability during registration. Making use of first such
capability : Scope. This can be expanded in the future for more such cases.

Signed-off-by: Madhu Venugopal <madhu@docker.com>
This commit is contained in:
Madhu Venugopal
2015-06-10 23:59:38 -07:00
parent 9c3695fae8
commit 2e40befd82
13 changed files with 93 additions and 43 deletions
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driverapi/driverapi.go
+16 -1
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@@ -118,5 +118,20 @@ type JoinInfo interface {
// DriverCallback provides a Callback interface for Drivers into LibNetwork
type DriverCallback interface {
// RegisterDriver provides a way for Remote drivers to dynamically register new NetworkType and associate with a driver instance
RegisterDriver(name string, driver Driver) error
RegisterDriver(name string, driver Driver, capability Capability) error
}
// Scope indicates the drivers scope capability
type Scope int
const (
// LocalScope represents the driver capable of providing networking services for containers in a single host
LocalScope Scope = iota
// GlobalScope represents the driver capable of providing networking services for containers across hosts
GlobalScope
)
// Capability represents the high level capabilities of the drivers which libnetwork can make use of
type Capability struct {
Scope Scope
}