if you have a label before applying the re-label config like
*__meta_kubernetes_node_label_nodegroup* , you could do something like this
in the job config
relabel_configs:
- source_labels: [__meta_kubernetes_node_label_nodegroup]
target_label: nodegroup
On Mon, Sep 28, 2020 at 11:17 PM 'Yuvraj Singh' via Prometheus Users <
[email protected]> wrote:
> I am trying to get node labels, i.e.- nodegroup for all node level
> metrics. So for example I want this nodegroup label
> with- node_memory_MemAvailable_bytes this metric. I have tried multiple
> ways to get this but dont have any success with this one yet.
>
> I am getting node labels in - kube_node_labels metric but when I try to
> combine this by using group_left I get many to many matching is not allowed
> as I try to use instance label which is common in both.
>
> I just want to get `nodegroup` label with all my node level metrics as its
> not easy to do it by using instance label which only gives ip address. I
> see that there is an option to use ec2-sd-config but I am looking for a
> better approach which will be generic for all cloud providers.
>
> If you have read this far, Thanks a lot
>
> I also tried by adding this config in prometheus scrape config:-
>
> - job_name: 'kubernetes-nodes'
> scheme: https
> bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
> tls_config:
> ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
> insecure_skip_verify: true
> kubernetes_sd_configs:
> - role: node
> relabel_configs:
> - action: labelmap
> regex: __meta_kubernetes_node_label_(.+)
>
> Sharing output of both queries:-
> node_memory_MemAvailable_bytes
>
> *node_memory_MemAvailable_bytes{endpoint="metrics",
> instance="192.168.40.7:9100
> <http://192.168.40.7:9100>", job="node-exporter", namespace="monitoring",
> pod="prometheus-prometheus-node-exporter-tsh8z",
> service="prometheus-prometheus-node-exporter"}*
> kube_node_labels
> *kube_node_labels{endpoint="http", instance="192.168.43.233:8080
> <http://192.168.43.233:8080>", job="kube-state-metrics",
> label_beta_kubernetes_io_arch="amd64",
> label_beta_kubernetes_io_instance_type="t3a.xlarge",
> label_beta_kubernetes_io_os="linux",
> label_failure_domain_beta_kubernetes_io_region="ap-south-1",
> label_failure_domain_beta_kubernetes_io_zone="ap-south-1a",
> label_kubernetes_io_arch="amd64", label_kubernetes_io_os="linux",
> label_nodegroup="services", namespace="monitoring",
> node="ip-192-168-43-233.ap-south-1.compute.internal",
> pod="prometheus-kube-state-metrics-64b9c87fdf-kr5x3",
> service="prometheus-kube-state-metrics"}*
>
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*DevOps Engineer*
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