Louis Ruch
feb5d7385d
* Adds job repo * Adds scheduler * Adds plugin table which is a place holder for future expansion of the scheduler. Currently all jobs that are created are linked to the pi_system plugin which are jobs that are held in a local registeredJobs map populated at controller startup.
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package scheduler
|
|
|
|
import "time"
|
|
|
|
const (
|
|
defaultRunJobsLimit = 1
|
|
defaultRunJobsInterval = time.Minute
|
|
defaultMonitorInterval = 30 * time.Second
|
|
defaultInterruptThreshold = 5 * time.Minute
|
|
)
|
|
|
|
// getOpts - iterate the inbound Options and return a struct
|
|
func getOpts(opt ...Option) options {
|
|
opts := getDefaultOptions()
|
|
for _, o := range opt {
|
|
o(&opts)
|
|
}
|
|
return opts
|
|
}
|
|
|
|
// Option - how Options are passed as arguments
|
|
type Option func(*options)
|
|
|
|
// options = how options are represented
|
|
type options struct {
|
|
withRunJobsLimit uint
|
|
withRunJobInterval time.Duration
|
|
withMonitorInterval time.Duration
|
|
withInterruptThreshold time.Duration
|
|
}
|
|
|
|
func getDefaultOptions() options {
|
|
return options{
|
|
withRunJobsLimit: defaultRunJobsLimit,
|
|
withRunJobInterval: defaultRunJobsInterval,
|
|
withMonitorInterval: defaultMonitorInterval,
|
|
withInterruptThreshold: defaultInterruptThreshold,
|
|
}
|
|
}
|
|
|
|
// WithRunJobsLimit provides an option to provide the number of jobs that will be requested
|
|
// by the scheduler when querying for jobs to run.
|
|
// If WithRunJobsLimit == 0, then default run jobs limit is used.
|
|
func WithRunJobsLimit(l uint) Option {
|
|
return func(o *options) {
|
|
o.withRunJobsLimit = l
|
|
if o.withRunJobsLimit == 0 {
|
|
o.withRunJobsLimit = defaultRunJobsLimit
|
|
}
|
|
}
|
|
}
|
|
|
|
// WithRunJobsInterval provides an option to provide the interval at which the scheduler
|
|
// will query the repository for jobs to run.
|
|
// If WithRunJobsInterval == 0, then default interval is used.
|
|
func WithRunJobsInterval(l time.Duration) Option {
|
|
return func(o *options) {
|
|
o.withRunJobInterval = l
|
|
if o.withRunJobInterval == 0 {
|
|
o.withRunJobInterval = defaultRunJobsInterval
|
|
}
|
|
}
|
|
}
|
|
|
|
// WithMonitorInterval provides an option to provide the interval at which the scheduler
|
|
// will query running jobs for status and update the repository accordingly.
|
|
// If WithMonitorInterval == 0, then default interval is used.
|
|
func WithMonitorInterval(l time.Duration) Option {
|
|
return func(o *options) {
|
|
o.withMonitorInterval = l
|
|
if o.withMonitorInterval == 0 {
|
|
o.withMonitorInterval = defaultMonitorInterval
|
|
}
|
|
}
|
|
}
|
|
|
|
// WithInterruptThreshold provides an option to provide the duration after which a controller
|
|
// will interrupt a running job that is not updating its status.
|
|
// If WithInterruptThreshold == 0, then default duration is used.
|
|
func WithInterruptThreshold(l time.Duration) Option {
|
|
return func(o *options) {
|
|
o.withInterruptThreshold = l
|
|
if o.withInterruptThreshold == 0 {
|
|
o.withInterruptThreshold = defaultInterruptThreshold
|
|
}
|
|
}
|
|
}
|