runnerMD5 [md5.Size]byte
runnerCmd string
- mContainersRunning prometheus.Gauge
- mInstances *prometheus.GaugeVec
- mInstancesPrice *prometheus.GaugeVec
- mVCPUs *prometheus.GaugeVec
- mMemory *prometheus.GaugeVec
- mBootOutcomes *prometheus.CounterVec
- mDisappearances *prometheus.CounterVec
+ mContainersRunning prometheus.Gauge
+ mInstances *prometheus.GaugeVec
+ mInstancesPrice *prometheus.GaugeVec
+ mVCPUs *prometheus.GaugeVec
+ mMemory *prometheus.GaugeVec
+ mBootOutcomes *prometheus.CounterVec
+ mDisappearances *prometheus.CounterVec
+ mTimeToSSH prometheus.Summary
+ mTimeToReadyForContainer prometheus.Summary
}
type createCall struct {
wp.tagKeyPrefix + tagKeyIdleBehavior: string(IdleBehaviorRun),
wp.tagKeyPrefix + tagKeyInstanceSecret: secret,
}
- initCmd := TagVerifier{nil, secret}.InitCommand()
+ initCmd := TagVerifier{nil, secret, nil}.InitCommand()
inst, err := wp.instanceSet.Create(it, wp.imageID, tags, initCmd, wp.installPublicKey)
wp.mtx.Lock()
defer wp.mtx.Unlock()
return nil
}
+// Successful connection to the SSH daemon, update the mTimeToSSH metric
+func (wp *Pool) reportSSHConnected(inst cloud.Instance) {
+ wkr := wp.workers[inst.ID()]
+ wkr.mtx.Lock()
+ defer wkr.mtx.Unlock()
+ if wkr.state != StateBooting || !wkr.firstSSHConnection.IsZero() {
+ // the node is not in booting state (can happen if a-d-c is restarted) OR
+ // this is not the first SSH connection
+ return
+ }
+
+ if wp.mTimeToSSH != nil {
+ wp.mTimeToSSH.Observe(time.Since(wkr.appeared).Seconds())
+ }
+ wkr.firstSSHConnection = time.Now()
+}
+
// Add or update worker attached to the given instance.
//
// The second return value is true if a new worker is created.
// Caller must have lock.
func (wp *Pool) updateWorker(inst cloud.Instance, it arvados.InstanceType) (*worker, bool) {
secret := inst.Tags()[wp.tagKeyPrefix+tagKeyInstanceSecret]
- inst = TagVerifier{inst, secret}
+ inst = TagVerifier{Instance: inst, Secret: secret, ReportVerified: wp.reportSSHConnected}
id := inst.ID()
if wkr := wp.workers[id]; wkr != nil {
wkr.executor.SetTarget(inst)
wp.mDisappearances.WithLabelValues(v).Add(0)
}
reg.MustRegister(wp.mDisappearances)
+ wp.mTimeToSSH = prometheus.NewSummary(prometheus.SummaryOpts{
+ Namespace: "arvados",
+ Subsystem: "dispatchcloud",
+ Name: "instances_time_to_ssh_seconds",
+ Help: "Number of seconds between instance creation and the first successful SSH connection.",
+ Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.95: 0.005, 0.99: 0.001},
+ })
+ reg.MustRegister(wp.mTimeToSSH)
+ wp.mTimeToReadyForContainer = prometheus.NewSummary(prometheus.SummaryOpts{
+ Namespace: "arvados",
+ Subsystem: "dispatchcloud",
+ Name: "instances_time_to_ready_for_container_seconds",
+ Help: "Number of seconds between the first successful SSH connection and ready to run a container.",
+ Objectives: map[float64]float64{0.5: 0.05, 0.9: 0.01, 0.95: 0.005, 0.99: 0.001},
+ })
+ reg.MustRegister(wp.mTimeToReadyForContainer)
}
func (wp *Pool) runMetrics() {