// TestDefaultMeta tests that WorkSpec.Meta gets the correct defaults,
// which in a couple of cases are not zero values.
func (s *Suite) TestDefaultMeta(c *check.C) {
var (
err error
spec coordinate.WorkSpec
meta coordinate.WorkSpecMeta
)
spec, err = s.Namespace.SetWorkSpec(map[string]interface{}{
"name": "spec",
"min_gb": 1,
})
c.Assert(err, check.IsNil)
meta, err = spec.Meta(false)
c.Assert(err, check.IsNil)
c.Check(meta.Priority, check.Equals, 0)
c.Check(meta.Weight, check.Equals, 20)
c.Check(meta.Paused, check.Equals, false)
c.Check(meta.Continuous, check.Equals, false)
c.Check(meta.CanBeContinuous, check.Equals, false)
c.Check(meta.Interval, check.Equals, time.Duration(0))
c.Check(meta.NextContinuous, check.Equals, time.Time{})
c.Check(meta.MaxRunning, check.Equals, 0)
c.Check(meta.MaxAttemptsReturned, check.Equals, 0)
c.Check(meta.NextWorkSpecName, check.Equals, "")
c.Check(meta.AvailableCount, check.Equals, 0)
c.Check(meta.PendingCount, check.Equals, 0)
}
// TestMetaContinuous specifically checks that you cannot enable the
// "continuous" flag on non-continuous work specs.
func (s *Suite) TestMetaContinuous(c *check.C) {
var (
err error
spec coordinate.WorkSpec
meta coordinate.WorkSpecMeta
)
// ...also...
spec, err = s.Namespace.SetWorkSpec(map[string]interface{}{
"name": "spec",
"min_gb": 1,
})
c.Assert(err, check.IsNil)
meta, err = spec.Meta(false)
c.Assert(err, check.IsNil)
c.Check(meta.Continuous, check.Equals, false)
c.Check(meta.CanBeContinuous, check.Equals, false)
meta.Continuous = true
err = spec.SetMeta(meta)
c.Assert(err, check.IsNil)
meta, err = spec.Meta(false)
c.Assert(err, check.IsNil)
// Cannot set the "continuous" flag
c.Check(meta.Continuous, check.Equals, false)
c.Check(meta.CanBeContinuous, check.Equals, false)
}
// TestPrefilledMeta tests that WorkSpec.Meta() fills in correctly from
// "magic" keys in a work spec.
func (s *Suite) TestPrefilledMeta(c *check.C) {
var (
err error
spec coordinate.WorkSpec
meta coordinate.WorkSpecMeta
)
spec, err = s.Namespace.SetWorkSpec(map[string]interface{}{
"name": "spec",
"min_gb": 1,
"priority": 10,
"weight": 100,
"disabled": true,
"continuous": true,
"interval": 60,
"max_running": 10,
"max_getwork": 1,
"then": "spec2",
})
c.Assert(err, check.IsNil)
meta, err = spec.Meta(false)
c.Assert(err, check.IsNil)
c.Check(meta.Priority, check.Equals, 10)
c.Check(meta.Weight, check.Equals, 100)
c.Check(meta.Paused, check.Equals, true)
c.Check(meta.Continuous, check.Equals, true)
c.Check(meta.CanBeContinuous, check.Equals, true)
c.Check(meta.Interval, check.Equals, time.Duration(60)*time.Second)
c.Check(meta.NextContinuous, check.Equals, time.Time{})
c.Check(meta.MaxRunning, check.Equals, 10)
c.Check(meta.MaxAttemptsReturned, check.Equals, 1)
c.Check(meta.NextWorkSpecName, check.Equals, "spec2")
c.Check(meta.AvailableCount, check.Equals, 0)
c.Check(meta.PendingCount, check.Equals, 0)
}
// ControlWorkSpec makes changes to a work spec that are not directly
// reflected in the work spec definition. This allows work specs to
// be paused or to stop generating new continuous jobs.
// ControlWorkSpecOptions has a complete listing of what can be done.
func (jobs *JobServer) ControlWorkSpec(workSpecName string, options map[string]interface{}) (bool, string, error) {
var (
cwsOptions ControlWorkSpecOptions
decoder *mapstructure.Decoder
err error
metadata mapstructure.Metadata
workSpec coordinate.WorkSpec
wsMeta coordinate.WorkSpecMeta
)
workSpec, err = jobs.Namespace.WorkSpec(workSpecName)
if err == nil {
// We care a lot about "false" vs. not present for
// these things. Manually create the decoder.
config := mapstructure.DecoderConfig{
Result: &cwsOptions,
Metadata: &metadata,
}
decoder, err = mapstructure.NewDecoder(&config)
}
if err == nil {
err = decoder.Decode(options)
}
// Get the existing metadata, then change it based on what
// we got provided
if err == nil {
wsMeta, err = workSpec.Meta(false)
}
if err == nil {
for _, key := range metadata.Keys {
switch key {
case "Continuous":
wsMeta.Continuous = cwsOptions.Continuous
case "Status":
wsMeta.Paused = cwsOptions.Status == Paused
case "Weight":
wsMeta.Weight = cwsOptions.Weight
case "Interval":
wsMeta.Interval = time.Duration(cwsOptions.Interval) * time.Second
case "MaxRunning":
wsMeta.MaxRunning = cwsOptions.MaxRunning
}
}
}
if err == nil {
err = workSpec.SetMeta(wsMeta)
}
return err == nil, "", err
}
// GetWorkSpecMeta returns a set of control options for a given work
// spec. The returned map has the full set of keys that
// ControlWorkSpec() will accept.
func (jobs *JobServer) GetWorkSpecMeta(workSpecName string) (result map[string]interface{}, _ string, err error) {
var (
workSpec coordinate.WorkSpec
meta coordinate.WorkSpecMeta
)
workSpec, err = jobs.Namespace.WorkSpec(workSpecName)
if err == nil {
meta, err = workSpec.Meta(false)
}
if err == nil {
result = make(map[string]interface{})
if meta.Paused {
result["status"] = Paused
} else {
result["status"] = Runnable
}
result["continuous"] = meta.Continuous
result["interval"] = meta.Interval.Seconds()
result["max_running"] = meta.MaxRunning
result["weight"] = meta.Weight
}
return
}
// TestSetMeta tests the basic SetMeta() call and a couple of its
// documented oddities.
func (s *Suite) TestSetMeta(c *check.C) {
var (
err error
spec coordinate.WorkSpec
meta coordinate.WorkSpecMeta
)
spec, err = s.Namespace.SetWorkSpec(map[string]interface{}{
"name": "spec",
"min_gb": 1,
"continuous": true,
})
c.Assert(err, check.IsNil)
meta, err = spec.Meta(false)
c.Assert(err, check.IsNil)
c.Check(meta.Priority, check.Equals, 0)
c.Check(meta.Weight, check.Equals, 20)
c.Check(meta.Paused, check.Equals, false)
c.Check(meta.Continuous, check.Equals, true)
c.Check(meta.CanBeContinuous, check.Equals, true)
c.Check(meta.Interval, check.Equals, time.Duration(0))
c.Check(meta.NextContinuous, check.Equals, time.Time{})
c.Check(meta.MaxRunning, check.Equals, 0)
c.Check(meta.MaxAttemptsReturned, check.Equals, 0)
c.Check(meta.NextWorkSpecName, check.Equals, "")
c.Check(meta.AvailableCount, check.Equals, 0)
c.Check(meta.PendingCount, check.Equals, 0)
err = spec.SetMeta(coordinate.WorkSpecMeta{
Priority: 10,
Weight: 100,
Paused: true,
Continuous: false,
CanBeContinuous: false,
Interval: time.Duration(60) * time.Second,
MaxRunning: 10,
MaxAttemptsReturned: 1,
NextWorkSpecName: "then",
AvailableCount: 100,
PendingCount: 50,
})
c.Assert(err, check.IsNil)
meta, err = spec.Meta(false)
c.Assert(err, check.IsNil)
c.Check(meta.Priority, check.Equals, 10)
c.Check(meta.Weight, check.Equals, 100)
c.Check(meta.Paused, check.Equals, true)
c.Check(meta.Continuous, check.Equals, false)
// Cannot clear "can be continuous" flag
c.Check(meta.CanBeContinuous, check.Equals, true)
c.Check(meta.Interval, check.Equals, time.Duration(60)*time.Second)
c.Check(meta.NextContinuous, check.Equals, time.Time{})
c.Check(meta.MaxRunning, check.Equals, 10)
c.Check(meta.MaxAttemptsReturned, check.Equals, 1)
// Cannot change following work spec
c.Check(meta.NextWorkSpecName, check.Equals, "")
// Cannot set the counts
c.Check(meta.AvailableCount, check.Equals, 0)
c.Check(meta.PendingCount, check.Equals, 0)
}