/
worker.go
318 lines (271 loc) · 7.2 KB
/
worker.go
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// Copyright 2015-2017 Diffeo, Inc.
// This software is released under an MIT/X11 open source license.
package coordinatetest
import (
"github.com/diffeo/go-coordinate/coordinate"
"time"
)
// TestWorkerAncestry does basic tests on worker parents and children.
func (s *Suite) TestWorkerAncestry() {
var (
err error
parent, child, worker coordinate.Worker
kids []coordinate.Worker
)
sts := SimpleTestSetup{NamespaceName: "TestWorkerAncestry"}
sts.SetUp(s)
defer sts.TearDown(s)
// start in the middle
parent, err = sts.Namespace.Worker("parent")
if !s.NoError(err) {
return
}
worker, err = parent.Parent()
if s.NoError(err) {
s.Nil(worker)
}
kids, err = parent.Children()
if s.NoError(err) {
s.Empty(kids)
}
// Create a child
child, err = sts.Namespace.Worker("child")
if !s.NoError(err) {
return
}
err = child.SetParent(parent)
s.NoError(err)
// this should update the parent metadata
worker, err = parent.Parent()
if s.NoError(err) {
s.Nil(worker)
}
kids, err = parent.Children()
if s.NoError(err) && s.Len(kids, 1) {
s.Equal("child", kids[0].Name())
}
// and also the child metadata
worker, err = child.Parent()
if s.NoError(err) && s.NotNil(worker) {
s.Equal("parent", worker.Name())
}
kids, err = child.Children()
if s.NoError(err) {
s.Empty(kids)
}
}
// TestWorkerAdoption hands a child worker to a new parent.
func (s *Suite) TestWorkerAdoption() {
var (
err error
child, oldParent, newParent, worker coordinate.Worker
kids []coordinate.Worker
)
sts := SimpleTestSetup{NamespaceName: "TestWorkerAdoption"}
sts.SetUp(s)
defer sts.TearDown(s)
// Create the worker objects
child, err = sts.Namespace.Worker("child")
if !s.NoError(err) {
return
}
oldParent, err = sts.Namespace.Worker("old")
if !s.NoError(err) {
return
}
newParent, err = sts.Namespace.Worker("new")
if !s.NoError(err) {
return
}
// Set up the original ancestry
err = child.SetParent(oldParent)
s.NoError(err)
// Move it to the new parent
err = child.SetParent(newParent)
s.NoError(err)
// Checks
worker, err = child.Parent()
if s.NoError(err) && s.NotNil(worker) {
s.Equal("new", worker.Name())
}
kids, err = child.Children()
if s.NoError(err) {
s.Empty(kids)
}
worker, err = oldParent.Parent()
if s.NoError(err) {
s.Nil(worker)
}
kids, err = oldParent.Children()
if s.NoError(err) {
s.Empty(kids)
}
worker, err = newParent.Parent()
if s.NoError(err) {
s.Nil(worker)
}
kids, err = newParent.Children()
if s.NoError(err) && s.Len(kids, 1) {
s.Equal("child", kids[0].Name())
}
}
// TestWorkerMetadata tests the various metadata fields.
func (s *Suite) TestWorkerMetadata() {
now := s.Clock.Now()
sts := SimpleTestSetup{
NamespaceName: "TestWorkerMetadata",
WorkerName: "worker",
}
sts.SetUp(s)
defer sts.TearDown(s)
// With no explicit setup, we should get these defaults
active, err := sts.Worker.Active()
if s.NoError(err) {
s.True(active)
}
mode, err := sts.Worker.Mode()
if s.NoError(err) {
s.Equal("", mode)
}
s.DataEmpty(sts.Worker)
lastUpdate, err := sts.Worker.LastUpdate()
if s.NoError(err) {
s.WithinDuration(now, lastUpdate, 1*time.Millisecond)
}
expiration, err := sts.Worker.Expiration()
if s.NoError(err) {
s.Equal(15*time.Minute, expiration.Sub(lastUpdate))
}
// Run an update
s.Clock.Add(1 * time.Minute)
now = s.Clock.Now()
then := now.Add(15 * time.Minute)
theData := map[string]interface{}{"key": "value"}
theMode := "run"
err = sts.Worker.Update(theData, now, then, theMode)
s.NoError(err)
active, err = sts.Worker.Active()
if s.NoError(err) {
s.True(active)
}
mode, err = sts.Worker.Mode()
if s.NoError(err) {
s.Equal(theMode, mode)
}
s.DataMatches(sts.Worker, theData)
expiration, err = sts.Worker.Expiration()
if s.NoError(err) {
s.WithinDuration(then, expiration, 1*time.Millisecond)
}
lastUpdate, err = sts.Worker.LastUpdate()
if s.NoError(err) {
s.WithinDuration(now, lastUpdate, 1*time.Millisecond)
}
// Deactivate ourselves
err = sts.Worker.Deactivate()
s.NoError(err)
active, err = sts.Worker.Active()
if s.NoError(err) {
s.False(active)
}
// Re-update, which should reactivate
err = sts.Worker.Update(theData, now, then, theMode)
s.NoError(err)
active, err = sts.Worker.Active()
if s.NoError(err) {
s.True(active)
}
}
// TestWorkerAttempts checks the association between attempts and workers.
func (s *Suite) TestWorkerAttempts() {
sts := SimpleTestSetup{
NamespaceName: "TestWorkerAttempts",
WorkerName: "child",
WorkSpecName: "spec",
}
sts.SetUp(s)
defer sts.TearDown(s)
// Manually set up a parent worker
parent, err := sts.Namespace.Worker("parent")
if !s.NoError(err) {
return
}
child := sts.Worker
err = child.SetParent(parent)
s.NoError(err)
// Create and perform one work unit
_, err = sts.AddWorkUnit("one")
s.NoError(err)
attempt := sts.RequestOneAttempt(s)
s.Equal("child", attempt.Worker().Name())
s.Equal("spec", attempt.WorkUnit().WorkSpec().Name())
s.Equal("one", attempt.WorkUnit().Name())
err = attempt.Finish(nil)
s.NoError(err)
// Create and start (but don't finish) a second one
_, err = sts.AddWorkUnit("two")
s.NoError(err)
attempt = sts.RequestOneAttempt(s)
s.Equal("child", attempt.Worker().Name())
s.Equal("spec", attempt.WorkUnit().WorkSpec().Name())
s.Equal("two", attempt.WorkUnit().Name())
// Validate the child worker's attempts
attempts, err := child.ActiveAttempts()
if s.NoError(err) && s.Len(attempts, 1) {
s.Equal("child", attempts[0].Worker().Name())
s.Equal("spec", attempts[0].WorkUnit().WorkSpec().Name())
s.Equal("two", attempts[0].WorkUnit().Name())
}
attempts, err = child.AllAttempts()
if s.NoError(err) && s.Len(attempts, 2) {
s.Equal("child", attempts[0].Worker().Name())
s.Equal("child", attempts[1].Worker().Name())
s.Equal("spec", attempts[0].WorkUnit().WorkSpec().Name())
s.Equal("spec", attempts[1].WorkUnit().WorkSpec().Name())
if attempts[0].WorkUnit().Name() == "one" {
s.Equal("two", attempts[1].WorkUnit().Name())
} else {
s.Equal("two", attempts[0].WorkUnit().Name())
s.Equal("one", attempts[1].WorkUnit().Name())
}
}
attempts, err = child.ChildAttempts()
if s.NoError(err) {
s.Empty(attempts)
}
// Check the parent's attempt lists
attempts, err = parent.ActiveAttempts()
if s.NoError(err) {
s.Empty(attempts)
}
attempts, err = parent.AllAttempts()
if s.NoError(err) {
s.Empty(attempts)
}
attempts, err = parent.ChildAttempts()
if s.NoError(err) && s.Len(attempts, 1) {
s.Equal("child", attempts[0].Worker().Name())
s.Equal("spec", attempts[0].WorkUnit().WorkSpec().Name())
s.Equal("two", attempts[0].WorkUnit().Name())
}
}
// TestDeactivateChild tests that deactivating a worker with a parent
// works successfully. This is a regression test for a specific issue
// in the REST API.
func (s *Suite) TestDeactivateChild() {
sts := SimpleTestSetup{NamespaceName: "TestDeactivateChild"}
sts.SetUp(s)
defer sts.TearDown(s)
parent, err := sts.Namespace.Worker("parent")
if !s.NoError(err) {
return
}
child, err := sts.Namespace.Worker("child")
if !s.NoError(err) {
return
}
err = child.SetParent(parent)
s.NoError(err)
err = child.Deactivate()
s.NoError(err)
}