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Use node_exporter metrics for node resources

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Use the metrics provided by the node_exporter for node-level resources.

This is much more efficient, especially for memory, as it's only two
metrics per node, rather than based on the number of running containers.

Signed-off-by: SuperQ <superq@gmail.com>
This commit is contained in:
SuperQ 2022-07-18 06:21:49 +02:00
parent 307795482f
commit 080ddaa901
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1 changed files with 2 additions and 2 deletions
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4
cmd/config-gen/utils/default.go
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@ -94,7 +94,7 @@ func DefaultConfig(rateInterval time.Duration, labelPrefix string) *config.Metri
ResourceRules: &config.ResourceRules{
CPU: config.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()),
NodeQuery: fmt.Sprintf("sum(1 - rate(node_cpu_seconds_total{<<.LabelMatchers>>, mode=\"idle\"}[%s])) by (<<.GroupBy>>)", pmodel.Duration(rateInterval).String()),
Resources: config.ResourceMapping{
Overrides: map[string]config.GroupResource{
"namespace": {Resource: "namespace"},
@ -106,7 +106,7 @@ func DefaultConfig(rateInterval time.Duration, labelPrefix string) *config.Metri
},
Memory: config.ResourceRule{
ContainerQuery: "sum(container_memory_working_set_bytes{<<.LabelMatchers>>}) by (<<.GroupBy>>)",
NodeQuery: "sum(container_memory_working_set_bytes{<<.LabelMatchers>>,id='/'}) by (<<.GroupBy>>)",
NodeQuery: "sum(node_memory_MemTotal_bytes{<<.LabelMatchers>>) - node_memory_MemAvailable_bytes{<<.LabelMatchers>>) by (<<.GroupBy>>)",
Resources: config.ResourceMapping{
Overrides: map[string]config.GroupResource{
"namespace": {Resource: "namespace"},