// upstartService returns an upstart.Service corresponding to the specified
// unit.
func (ctx *SimpleContext) upstartService(unitName string) *upstart.Service {
tag := names.UnitTag(unitName)
svcName := "jujud-" + tag
svc := upstart.NewService(svcName)
svc.InitDir = ctx.initDir
return svc
}
func (a *MachineAgent) uninstallAgent(agentConfig agent.Config) error {
var errors []error
agentServiceName := agentConfig.Value(agent.AgentServiceName)
if agentServiceName == "" {
// For backwards compatibility, handle lack of AgentServiceName.
agentServiceName = os.Getenv("UPSTART_JOB")
}
if agentServiceName != "" {
if err := upstart.NewService(agentServiceName).Remove(); err != nil {
errors = append(errors, fmt.Errorf("cannot remove service %q: %v", agentServiceName, err))
}
}
// Remove the juju-run symlink.
if err := os.Remove(jujuRun); err != nil && !os.IsNotExist(err) {
errors = append(errors, err)
}
namespace := agentConfig.Value(agent.Namespace)
if err := mongo.RemoveService(namespace); err != nil {
errors = append(errors, fmt.Errorf("cannot stop/remove mongo service with namespace %q: %v", namespace, err))
}
if err := os.RemoveAll(agentConfig.DataDir()); err != nil {
errors = append(errors, err)
}
if len(errors) == 0 {
return nil
}
return fmt.Errorf("uninstall failed: %v", errors)
}
// findUpstartJob tries to find an upstart job matching the
// given unit name in one of these formats:
// jujud-<deployer-tag>:<unit-tag>.conf (for compatibility)
// jujud-<unit-tag>.conf (default)
func (ctx *SimpleContext) findUpstartJob(unitName string) *upstart.Service {
unitsAndJobs, err := ctx.deployedUnitsUpstartJobs()
if err != nil {
return nil
}
if job, ok := unitsAndJobs[unitName]; ok {
svc := upstart.NewService(job)
svc.InitDir = ctx.initDir
return svc
}
return nil
}