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Introduce support for the resource metrics API

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This introduces support for the resource metrics in the adapter.
The individual queries and window sizes are fully customizable via a new
config section.  This uses just the generic machinery from
metrics-server to serve the API.
This commit is contained in:
Solly Ross 2018-08-20 17:03:44 -04:00
parent 74c0c53e4f
commit c5801455ec
5 changed files with 503 additions and 9 deletions
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20
cmd/config-gen/utils/default.go
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@ -89,5 +89,25 @@ func DefaultConfig(rateInterval time.Duration, labelPrefix string) *MetricsDisco
MetricsQuery: fmt.Sprintf("sum(rate(<<.Series>>{<<.LabelMatchers>>}[%s])) by (<<.GroupBy>>)", pmodel.Duration(rateInterval).String()),
},
},
ResourceRules: &ResourceRules{
CPU: ResourceRule{
ContainerQuery: fmt.Sprintf("sum(rate(container_cpu_usage_seconds_total{<<.LabelMatchers>>}[%s])) by (<<.GroupBy>>)", pmodel.Duration(rateInterval).String()),
NodeQuery: fmt.Sprintf("sum(rate(container_cpu_usage_seconds_total{<<.LabelMatchers>>, id='/'}[%s])) by (<<.GroupBy>>)", pmodel.Duration(rateInterval).String()),
Resources: ResourceMapping{
Template: fmt.Sprintf("%s<<.Resource>>", labelPrefix),
},
ContainerLabel: fmt.Sprintf("%scontainer_name", labelPrefix),
},
Memory: ResourceRule{
ContainerQuery: "sum(container_memory_working_set_bytes{<<.LabelMatchers>>}) by (<<.GroupBy>>)",
NodeQuery: "sum(container_memory_working_set_bytes{<<.LabelMatchers>>,id='/'}) by (<<.GroupBy>>)",
Resources: ResourceMapping{
Template: fmt.Sprintf("%s<<.Resource>>", labelPrefix),
},
ContainerLabel: fmt.Sprintf("%scontainer_name", labelPrefix),
},
Window: pmodel.Duration(rateInterval),
},
}
}