The cinder.openstack.common.service Module

Generic Node base class for all workers that run on hosts.

class Launcher

Bases: object

Launch one or more services and wait for them to complete.

launch_service(service)

Load and start the given service.

Parameters:service – The service you would like to start. Returns:None

restart()

Reload config files and restart service.

Returns:None

stop()

Stop all services which are currently running.

Returns:None

wait()

Waits until all services have been stopped, and then returns.

Returns:None

class ProcessLauncher(wait_interval=0.01)

Bases: object

handle_signal()

launch_service(service, workers=1)

wait()

Loop waiting on children to die and respawning as necessary.

class Service(threads=1000)

Bases: object

Service object for binaries running on hosts.

reset()

start()

stop()

wait()

class ServiceLauncher

Bases: cinder.openstack.common.service.Launcher

handle_signal()

wait(ready_callback=None)

class ServiceWrapper(service, workers)

Bases: object

class Services

Bases: object

add(service)

restart()

static run_service(service, done)

Service start wrapper.

Parameters:

• service – service to run
• done – event to wait on until a shutdown is triggered

Returns:

None

stop()

wait()

exception SignalExit(signo, exccode=1)

Bases: exceptions.SystemExit

launch(service, workers=None)