jobmonitor

type JobServiceMonitorClient interface {
	// WorkerPoolHeartbeats retrieves worker pool heartbeats
	WorkerPoolHeartbeats() ([]*work.WorkerPoolHeartbeat, error)
	// WorkerObservations retrieves worker observations
	WorkerObservations() ([]*work.WorkerObservation, error)
	// Queues retrieves the job queue information
	Queues() ([]*work.Queue, error)
}

type PoolManager interface {
	// List retrieves pools information
	List(ctx context.Context, monitorClient JobServiceMonitorClient) ([]*WorkerPool, error)
}

type Queue struct {
	JobType string
	Count   int64
	Latency int64
	Paused  bool
}

type QueueManager interface {
	List(ctx context.Context, monitClient JobServiceMonitorClient) ([]*Queue, error)
}

type RedisClient interface {
	// AllJobTypes returns all the job types registered in the job service
	AllJobTypes(ctx context.Context) ([]string, error)
	// PauseJob pause the execution of the specified type job, except the running job
	PauseJob(ctx context.Context, jobName string) error
	// UnpauseJob resume the execution of the specified type job
	UnpauseJob(ctx context.Context, jobName string) error
	// StopPendingJobs stop the pending jobs of the specified type, and remove the jobs from the waiting queue
	StopPendingJobs(ctx context.Context, jobType string) (jobIDs []string, err error)
}

type Worker struct {
	ID        string `json:"id"`
	PoolID    string `json:"pool_id"`
	IsBusy    bool   `json:"is_busy"`
	JobName   string `json:"job_name"`
	JobID     string `json:"job_id"`
	StartedAt int64  `json:"start_at"`
	CheckIn   string `json:"check_in"`
	CheckInAt int64  `json:"check_in_at"`
}

type WorkerManager interface {
	// List lists all workers in the specified pool
	List(ctx context.Context, monitClient JobServiceMonitorClient, poolID string) ([]*Worker, error)
}

type WorkerPool struct {
	ID          string `json:"pool_id"`
	PID         int    `json:"pid"`
	StartAt     int64  `json:"start_at"`
	HeartbeatAt int64  `json:"heartbeat_at"`
	Concurrency int    `json:"concurrency"`
	Host        string `json:"host"`
}