mirror of https://github.com/docker/docs.git
Force node spec update.
Signed-off-by: Dong Chen <dongluo.chen@docker.com>
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parent
73179d4dd8
commit
040f63cd47
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@ -692,6 +692,12 @@ func (e *Engine) updateContainer(c dockerclient.Container, containers map[string
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// refreshLoop periodically triggers engine refresh.
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func (e *Engine) refreshLoop() {
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const maxBackoffFactor int = 1000
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// engine can hot-plug CPU/Mem or update labels. but there is no events
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// from engine to trigger spec update.
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// add an update interval and refresh spec for healthy nodes.
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const specUpdateInterval = 5 * time.Minute
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lastSpecUpdatedAt := time.Now()
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for {
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var err error
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@ -710,11 +716,16 @@ func (e *Engine) refreshLoop() {
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return
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}
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if !e.IsHealthy() {
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healthy := e.IsHealthy()
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if !healthy || time.Since(lastSpecUpdatedAt) > specUpdateInterval {
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if err = e.updateSpecs(); err != nil {
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log.WithFields(log.Fields{"name": e.Name, "id": e.ID}).Errorf("Update engine specs failed: %v", err)
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continue
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}
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lastSpecUpdatedAt = time.Now()
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}
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if !healthy {
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e.client.StopAllMonitorEvents()
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e.StartMonitorEvents()
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}
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