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Making the allocs hold service ids #583

Merged
merged 11 commits into from
Dec 15, 2015
Merged

Making the allocs hold service ids #583

merged 11 commits into from
Dec 15, 2015

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diptanu
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@diptanu diptanu commented Dec 14, 2015

When we moved to generating the service ids on the server side, it created a problem for jobs whose count > 1 since service ids needs to be unique for an agent as Task definitions are shared across allocations.

This change makes the allocations host service ids for the tasks that they are going to run. Since Allocations are always unique, the service ids will be generated uniquely per allocation.

@@ -246,6 +246,10 @@ func (s *SystemScheduler) computePlacements(place []allocTuple) error {
Metrics: s.ctx.Metrics(),
}

// Generate the service ids for the tasks that this allocation is going
// to run
alloc.PopulateServiceIds()
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Can probably move this inside if option != nil { block

c.trackedTskLock.Unlock()
for _, service := range task.Services {
c.logger.Printf("[INFO] consul: registering service %s with consul.", service.Name)
if err := c.registerService(service, task, allocID); err != nil {
if err := c.registerService(service, task, alloc); err != nil {
fmt.Printf("DIPTANU ERR %v\n", err)
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Debug message? :)

for _, task := range tg.Tasks {
for _, service := range task.Services {
// We add a prefix to the Service ID so that we can know that this service
// is managed by Nomad Consul since Consul can also have service which are not
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Nomad Consul -> Nomad

for _, service := range task.Services {
// If the ID for a service name is already generated then we re-use
// it
if ID, ok := oldIDs[service.Name]; ok {
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lowercase the ID field. camelCase is go style

@dadgar
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dadgar commented Dec 15, 2015

LGTM

diptanu added a commit that referenced this pull request Dec 15, 2015
Making the allocs hold service ids
@diptanu diptanu merged commit d8b39f1 into master Dec 15, 2015
@diptanu diptanu deleted the f-consul-service branch December 15, 2015 19:00
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3 participants