57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package kube_inventory
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import (
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"context"
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"github.com/ericchiang/k8s/apis/core/v1"
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"github.com/influxdata/telegraf"
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)
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func collectNodes(ctx context.Context, acc telegraf.Accumulator, ki *KubernetesInventory) {
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list, err := ki.client.getNodes(ctx)
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if err != nil {
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acc.AddError(err)
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return
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}
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for _, n := range list.Items {
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if err = ki.gatherNode(*n, acc); err != nil {
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acc.AddError(err)
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return
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}
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}
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}
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func (ki *KubernetesInventory) gatherNode(n v1.Node, acc telegraf.Accumulator) error {
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fields := map[string]interface{}{}
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tags := map[string]string{
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"node_name": *n.Metadata.Name,
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}
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for resourceName, val := range n.Status.Capacity {
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switch resourceName {
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case "cpu":
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fields["capacity_cpu_cores"] = atoi(val.GetString_())
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case "memory":
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fields["capacity_memory_bytes"] = convertQuantity(val.GetString_(), 1)
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case "pods":
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fields["capacity_pods"] = atoi(val.GetString_())
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}
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}
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for resourceName, val := range n.Status.Allocatable {
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switch resourceName {
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case "cpu":
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fields["allocatable_cpu_cores"] = atoi(val.GetString_())
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case "memory":
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fields["allocatable_memory_bytes"] = convertQuantity(val.GetString_(), 1)
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case "pods":
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fields["allocatable_pods"] = atoi(val.GetString_())
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}
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}
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acc.AddFields(nodeMeasurement, fields, tags)
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return nil
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}
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