54f7878045
Send an event to the event bus whenever the farm status changes. The event
contains a farm status report (like `{status: "active"}`), and is sent to
the `/status` topic.
Note that at this moment the status is only polled every X seconds, and
thus may lag behind other events.
42 lines
1.8 KiB
Go
42 lines
1.8 KiB
Go
package eventbus
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// SPDX-License-Identifier: GPL-3.0-or-later
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import "fmt"
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const (
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// Topics on which events are published.
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TopicLifeCycle EventTopic = "/lifecycle" // sends api.EventLifeCycle
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TopicFarmStatus EventTopic = "/status" // sends api.EventFarmStatus
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TopicJobUpdate EventTopic = "/jobs" // sends api.EventJobUpdate
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TopicLastRenderedImage EventTopic = "/last-rendered" // sends api.EventLastRenderedUpdate
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TopicTaskUpdate EventTopic = "/task" // sends api.EventTaskUpdate
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TopicWorkerUpdate EventTopic = "/workers" // sends api.EventWorkerUpdate
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TopicWorkerTagUpdate EventTopic = "/workertags" // sends api.EventWorkerTagUpdate
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TopicSubscription EventTopic = "/subscription" // clients send api.EventSubscription
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// Parameterised topics.
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TopicJobSpecific EventTopic = "/jobs/%s" // %s = job UUID
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TopicJobLastRendered EventTopic = "/jobs/%s/last-rendered" // %s = job UUID
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TopicTaskLog EventTopic = "/tasklog/%s" // %s = task UUID
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)
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// topicForJob will return the event topic for the given job. Clients subscribed
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// to this topic receive info scoped to this job, so for example updates to all
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// tasks of this job.
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func topicForJob(jobUUID string) EventTopic {
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return EventTopic(fmt.Sprintf(string(TopicJobSpecific), jobUUID))
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}
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func topicForJobLastRendered(jobUUID string) EventTopic {
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return EventTopic(fmt.Sprintf(string(TopicJobLastRendered), jobUUID))
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}
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// topicForTaskLog will return the event topic for receiving task logs of
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// the the given task.
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//
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// Note that general task updates are sent to their job's topic, and not to this
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// one.
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func topicForTaskLog(taskUUID string) EventTopic {
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return EventTopic(fmt.Sprintf(string(TopicTaskLog), taskUUID))
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}
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