open-nomad/client/driver/driver.go

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2015-08-20 23:50:28 +00:00
package driver
import (
"fmt"
"log"
"github.com/hashicorp/nomad/client/fingerprint"
)
// BuiltinDrivers contains the built in registered drivers
// which are available for allocation handling
var BuiltinDrivers = map[string]Factory{
"exec": NewExecDriver,
}
// NewDriver is used to instantiate and return a new driver
// given the name and a logger
func NewDriver(name string, logger *log.Logger) (Driver, error) {
// Lookup the factory function
factory, ok := BuiltinDrivers[name]
if !ok {
return nil, fmt.Errorf("unknown driver '%s'", name)
}
// Instantiate the driver
f := factory(logger)
return f, nil
}
// Factory is used to instantiate a new Driver
type Factory func(*log.Logger) Driver
// Driver is used for execution of tasks. This allows Nomad
// to support many pluggable implementations of task drivers.
// Examples could include LXC, Docker, Qemu, etc.
type Driver interface {
// Drivers must support the fingerprint interface for detection
fingerprint.Fingerprint
}