// ContainerMetrics is deprecated in favor of ContainerEnvelopes, since
// returning the ContainerMetric type directly hides important
// information, like the timestamp.
//
// The returned values will be the same as ContainerEnvelopes, just with
// the Envelope stripped out.
func (c *Consumer) ContainerMetrics(appGuid string, authToken string) ([]*events.ContainerMetric, error) {
envelopes, err := c.ContainerEnvelopes(appGuid, authToken)
if err != nil {
return nil, err
}
messages := make([]*events.ContainerMetric, 0, len(envelopes))
for _, env := range envelopes {
messages = append(messages, env.GetContainerMetric())
}
noaa.SortContainerMetrics(messages)
return messages, nil
}
// ContainerMetrics connects to traffic controller via its 'containermetrics'
// http(s) endpoint and returns the most recent messages for an app. The
// returned metrics will be sorted by InstanceIndex.
func (c *Consumer) ContainerMetrics(appGuid string, authToken string) ([]*events.ContainerMetric, error) {
messages := make([]*events.ContainerMetric, 0, 200)
callback := func(envelope *events.Envelope) error {
if envelope.GetEventType() == events.Envelope_LogMessage {
return errors.New(fmt.Sprintf("Upstream error: %s", envelope.GetLogMessage().GetMessage()))
}
messages = append(messages, envelope.GetContainerMetric())
return nil
}
err := c.readTC(appGuid, authToken, "containermetrics", callback)
if err != nil {
return nil, err
}
noaa.SortContainerMetrics(messages)
return messages, err
}
"github.com/cloudfoundry/noaa/events"
"github.com/gogo/protobuf/proto"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("SortContainerMetrics", func() {
var messages []*events.ContainerMetric
BeforeEach(func() {
messages = []*events.ContainerMetric{
&events.ContainerMetric{
ApplicationId: proto.String("appId"),
InstanceIndex: proto.Int32(2),
},
&events.ContainerMetric{
ApplicationId: proto.String("appId"),
InstanceIndex: proto.Int32(1),
},
}
})
It("sorts container metrics by instance index", func() {
sortedMessages := noaa.SortContainerMetrics(messages)
Expect(sortedMessages[0].GetInstanceIndex()).To(Equal(int32(1)))
Expect(sortedMessages[1].GetInstanceIndex()).To(Equal(int32(2)))
})
})