// ListServices lists all installed services on the running system
func ListServices() ([]string, error) {
initName, err := VersionInitSystem(series.HostSeries())
if err != nil {
return nil, errors.Trace(err)
}
switch initName {
case InitSystemWindows:
services, err := windows.ListServices()
if err != nil {
return nil, errors.Annotatef(err, "failed to list %s services", initName)
}
return services, nil
case InitSystemUpstart:
services, err := upstart.ListServices()
if err != nil {
return nil, errors.Annotatef(err, "failed to list %s services", initName)
}
return services, nil
case InitSystemSystemd:
services, err := systemd.ListServices()
if err != nil {
return nil, errors.Annotatef(err, "failed to list %s services", initName)
}
return services, nil
default:
return nil, errors.NotFoundf("init system %q", initName)
}
}
func (s *initSystemSuite) TestListServicesEmpty(c *gc.C) {
s.addListResponse()
names, err := systemd.ListServices()
c.Assert(err, jc.ErrorIsNil)
c.Check(names, gc.HasLen, 0)
s.stub.CheckCallNames(c, "RunCommand")
}
func (s *initSystemSuite) TestListServices(c *gc.C) {
s.addService("jujud-machine-0", "active")
s.addService("something-else", "error")
s.addService("jujud-unit-wordpress-0", "active")
s.addService("another", "inactive")
s.addListResponse()
names, err := systemd.ListServices()
c.Assert(err, jc.ErrorIsNil)
c.Check(names, jc.SameContents, []string{
"jujud-machine-0",
"something-else",
"jujud-unit-wordpress-0",
"another",
})
s.stub.CheckCallNames(c, "RunCommand")
}
