12bfa82854
Send events on Manager startup & shutdown. To make this possible, events sent to MQTT are now queued up until an MQTT server can be reached. Otherwise the startup event would be sent before the MQTT connection was established.
41 lines
1.7 KiB
Go
41 lines
1.7 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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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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