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Jim Minter
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Sep 20, 2017
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Original file line number | Diff line number | Diff line change |
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@@ -1,65 +1,71 @@ | ||
package controller | ||
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import ( | ||
"time" | ||
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templateapi "github.com/openshift/origin/pkg/template/apis/template" | ||
"github.com/prometheus/client_golang/prometheus" | ||
"k8s.io/apimachinery/pkg/labels" | ||
utilruntime "k8s.io/apimachinery/pkg/util/runtime" | ||
kapi "k8s.io/kubernetes/pkg/api" | ||
) | ||
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var ( | ||
templateInstancesTotal = prometheus.NewDesc( | ||
"TemplateInstanceController_TemplateInstances_total", | ||
"Counts TemplateInstance objects by condition type and status", | ||
func newTemplateInstancesTotal() *prometheus.GaugeVec { | ||
return prometheus.NewGaugeVec( | ||
prometheus.GaugeOpts{ | ||
Name: "TemplateInstanceController_TemplateInstances_total", | ||
Help: "Counts TemplateInstance objects by condition type and status", | ||
}, | ||
[]string{"type", "status"}, | ||
nil, | ||
) | ||
templateInstancesWaiting = prometheus.NewDesc( | ||
"TemplateInstanceController_TemplateInstances_waiting_start_time_seconds", | ||
"Show the start time in unix epoch form of waiting TemplateInstances by namespace and name", | ||
[]string{"namespace", "name"}, | ||
nil, | ||
} | ||
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func newTemplateInstancesWaiting() prometheus.Histogram { | ||
return prometheus.NewHistogram( | ||
prometheus.HistogramOpts{ | ||
Name: "TemplateInstanceController_TemplateInstances_active_waiting_time_seconds", | ||
Help: "Show the distribution of active TemplateInstance waiting times", | ||
Buckets: []float64{60, 300, 600, 1200, 3600}, | ||
}, | ||
) | ||
) | ||
} | ||
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func (c *TemplateInstanceController) Describe(ch chan<- *prometheus.Desc) { | ||
ch <- templateInstancesTotal | ||
ch <- templateInstancesWaiting | ||
newTemplateInstancesTotal().Describe(ch) | ||
newTemplateInstancesWaiting().Describe(ch) | ||
} | ||
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func (c *TemplateInstanceController) Collect(ch chan<- prometheus.Metric) { | ||
now := time.Now() | ||
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templateInstances, err := c.lister.List(labels.Everything()) | ||
if err != nil { | ||
utilruntime.HandleError(err) | ||
return | ||
} | ||
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m := map[templateapi.TemplateInstanceCondition]uint64{} | ||
templateInstancesTotal := newTemplateInstancesTotal() | ||
templateInstancesWaiting := newTemplateInstancesWaiting() | ||
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for _, templateInstance := range templateInstances { | ||
waiting := true | ||
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m[templateapi.TemplateInstanceCondition{}]++ | ||
templateInstancesTotal.WithLabelValues("", "").Inc() | ||
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for _, cond := range templateInstance.Status.Conditions { | ||
m[templateapi.TemplateInstanceCondition{Type: cond.Type, Status: cond.Status}]++ | ||
if cond.Type == templateapi.TemplateInstanceInstantiateFailure && cond.Status == kapi.ConditionTrue || | ||
cond.Type == templateapi.TemplateInstanceReady && cond.Status == kapi.ConditionTrue { | ||
templateInstancesTotal.WithLabelValues(string(cond.Type), string(cond.Status)).Inc() | ||
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if cond.Status == kapi.ConditionTrue && | ||
(cond.Type == templateapi.TemplateInstanceInstantiateFailure || cond.Type == templateapi.TemplateInstanceReady) { | ||
waiting = false | ||
} | ||
} | ||
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if waiting { | ||
ch <- prometheus.MustNewConstMetric(templateInstancesWaiting, | ||
prometheus.GaugeValue, | ||
float64(templateInstance.CreationTimestamp.Unix()), | ||
templateInstance.Namespace, | ||
templateInstance.Name, | ||
) | ||
templateInstancesWaiting.Observe(float64(now.Sub(templateInstance.CreationTimestamp.Time) / time.Second)) | ||
} | ||
} | ||
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for cond, count := range m { | ||
ch <- prometheus.MustNewConstMetric(templateInstancesTotal, prometheus.GaugeValue, float64(count), string(cond.Type), string(cond.Status)) | ||
} | ||
templateInstancesTotal.Collect(ch) | ||
templateInstancesWaiting.Collect(ch) | ||
} |