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custom monitoring with cluster level

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Signed-off-by: junotx <junotx@126.com>
This commit is contained in:
junotx
2020-12-10 15:06:06 +08:00
parent 8330e9eb7a
commit 933d0b5571
3 changed files with 69 additions and 24 deletions
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54
pkg/models/monitoring/monitoring.go
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@@ -62,25 +62,31 @@ func NewMonitoringOperator(client monitoring.Interface, k8s kubernetes.Interface
}
func (mo monitoringOperator) GetMetric(expr, namespace string, time time.Time) (monitoring.Metric, error) {
// Different monitoring backend implementations have different ways to enforce namespace isolation.
// Each implementation should register itself to `ReplaceNamespaceFns` during init().
// We hard code "prometheus" here because we only support this datasource so far.
// In the future, maybe the value should be returned from a method like `mo.c.GetMonitoringServiceName()`.
expr, err := expressions.ReplaceNamespaceFns["prometheus"](expr, namespace)
if err != nil {
return monitoring.Metric{}, err
if namespace != "" {
// Different monitoring backend implementations have different ways to enforce namespace isolation.
// Each implementation should register itself to `ReplaceNamespaceFns` during init().
// We hard code "prometheus" here because we only support this datasource so far.
// In the future, maybe the value should be returned from a method like `mo.c.GetMonitoringServiceName()`.
var err error
expr, err = expressions.ReplaceNamespaceFns["prometheus"](expr, namespace)
if err != nil {
return monitoring.Metric{}, err
}
}
return mo.c.GetMetric(expr, time), nil
}
func (mo monitoringOperator) GetMetricOverTime(expr, namespace string, start, end time.Time, step time.Duration) (monitoring.Metric, error) {
// Different monitoring backend implementations have different ways to enforce namespace isolation.
// Each implementation should register itself to `ReplaceNamespaceFns` during init().
// We hard code "prometheus" here because we only support this datasource so far.
// In the future, maybe the value should be returned from a method like `mo.c.GetMonitoringServiceName()`.
expr, err := expressions.ReplaceNamespaceFns["prometheus"](expr, namespace)
if err != nil {
return monitoring.Metric{}, err
if namespace != "" {
// Different monitoring backend implementations have different ways to enforce namespace isolation.
// Each implementation should register itself to `ReplaceNamespaceFns` during init().
// We hard code "prometheus" here because we only support this datasource so far.
// In the future, maybe the value should be returned from a method like `mo.c.GetMonitoringServiceName()`.
var err error
expr, err = expressions.ReplaceNamespaceFns["prometheus"](expr, namespace)
if err != nil {
return monitoring.Metric{}, err
}
}
return mo.c.GetMetricOverTime(expr, start, end, step), nil
}
@@ -101,14 +107,18 @@ func (mo monitoringOperator) GetMetadata(namespace string) Metadata {
}
func (mo monitoringOperator) GetMetricLabelSet(metric, namespace string, start, end time.Time) MetricLabelSet {
// Different monitoring backend implementations have different ways to enforce namespace isolation.
// Each implementation should register itself to `ReplaceNamespaceFns` during init().
// We hard code "prometheus" here because we only support this datasource so far.
// In the future, maybe the value should be returned from a method like `mo.c.GetMonitoringServiceName()`.
expr, err := expressions.ReplaceNamespaceFns["prometheus"](metric, namespace)
if err != nil {
klog.Error(err)
return MetricLabelSet{}
var expr = metric
var err error
if namespace != "" {
// Different monitoring backend implementations have different ways to enforce namespace isolation.
// Each implementation should register itself to `ReplaceNamespaceFns` during init().
// We hard code "prometheus" here because we only support this datasource so far.
// In the future, maybe the value should be returned from a method like `mo.c.GetMonitoringServiceName()`.
expr, err = expressions.ReplaceNamespaceFns["prometheus"](metric, namespace)
if err != nil {
klog.Error(err)
return MetricLabelSet{}
}
}
data := mo.c.GetMetricLabelSet(expr, start, end)
return MetricLabelSet{Data: data}