func (s *UpgraderSuite) makeUpgrader(c *gc.C) *upgrader.Upgrader {
return upgrader.NewAgentUpgrader(
s.state.Upgrader(),
agentConfig(s.machine.Tag(), s.DataDir()),
s.confVersion,
func() bool { return s.upgradeRunning },
s.agentUpgradeComplete,
)
}
func (s *UpgraderSuite) makeUpgrader(c *gc.C) *upgrader.Upgrader {
w, err := upgrader.NewAgentUpgrader(
s.state.Upgrader(),
agentConfig(s.machine.Tag(), s.DataDir()),
s.confVersion,
s.upgradeStepsComplete,
s.initialCheckComplete,
)
c.Assert(err, jc.ErrorIsNil)
return w
}
func (s *UpgraderSuite) makeUpgrader(c *gc.C) *upgrader.Upgrader {
err := s.machine.SetAgentVersion(version.Current)
c.Assert(err, jc.ErrorIsNil)
return upgrader.NewAgentUpgrader(
s.state.Upgrader(),
agentConfig(s.machine.Tag(), s.DataDir()),
s.confVersion,
func() bool { return s.upgradeRunning },
s.agentUpgradeComplete,
)
}
func (a *UnitAgent) APIWorkers() (_ worker.Worker, err error) {
agentConfig := a.CurrentConfig()
dataDir := agentConfig.DataDir()
hookLock, err := cmdutil.HookExecutionLock(dataDir)
if err != nil {
return nil, err
}
st, entity, err := OpenAPIState(agentConfig, a)
if err != nil {
return nil, err
}
unitTag, err := names.ParseUnitTag(entity.Tag())
if err != nil {
return nil, errors.Trace(err)
}
// Ensure that the environment uuid is stored in the agent config.
// Luckily the API has it recorded for us after we connect.
if agentConfig.Environment().Id() == "" {
err := a.ChangeConfig(func(setter agent.ConfigSetter) error {
environTag, err := st.EnvironTag()
if err != nil {
return errors.Annotate(err, "no environment uuid set on api")
}
return setter.Migrate(agent.MigrateParams{
Environment: environTag,
})
})
if err != nil {
logger.Warningf("unable to save environment uuid: %v", err)
// Not really fatal, just annoying.
}
}
defer func() {
if err != nil {
st.Close()
reportClosedUnitAPI(st)
}
}()
// Before starting any workers, ensure we record the Juju version this unit
// agent is running.
currentTools := &tools.Tools{Version: version.Current}
apiStateUpgrader := a.getUpgrader(st)
if err := apiStateUpgrader.SetVersion(agentConfig.Tag().String(), currentTools.Version); err != nil {
return nil, errors.Annotate(err, "cannot set unit agent version")
}
runner := worker.NewRunner(cmdutil.ConnectionIsFatal(logger, st), cmdutil.MoreImportant)
// start proxyupdater first to ensure proxy settings are correct
runner.StartWorker("proxyupdater", func() (worker.Worker, error) {
return proxyupdater.New(st.Environment(), false), nil
})
runner.StartWorker("upgrader", func() (worker.Worker, error) {
return upgrader.NewAgentUpgrader(
st.Upgrader(),
agentConfig,
agentConfig.UpgradedToVersion(),
func() bool { return false },
a.initialAgentUpgradeCheckComplete,
), nil
})
runner.StartWorker("logger", func() (worker.Worker, error) {
return workerlogger.NewLogger(st.Logger(), agentConfig), nil
})
runner.StartWorker("uniter", func() (worker.Worker, error) {
uniterFacade, err := st.Uniter()
if err != nil {
return nil, errors.Trace(err)
}
uniterParams := uniter.UniterParams{
uniterFacade,
unitTag,
leadership.NewClient(st),
dataDir,
hookLock,
uniter.NewMetricsTimerChooser(),
uniter.NewUpdateStatusTimer(),
}
return uniter.NewUniter(&uniterParams), nil
})
runner.StartWorker("apiaddressupdater", func() (worker.Worker, error) {
uniterFacade, err := st.Uniter()
if err != nil {
return nil, errors.Trace(err)
}
return apiaddressupdater.NewAPIAddressUpdater(uniterFacade, a), nil
})
runner.StartWorker("rsyslog", func() (worker.Worker, error) {
return cmdutil.NewRsyslogConfigWorker(st.Rsyslog(), agentConfig, rsyslog.RsyslogModeForwarding)
})
return cmdutil.NewCloseWorker(logger, runner, st), nil
}