mirror of
https://github.com/puppetmaster/typhoon.git
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c2b719dc75
* Use Kubelet bearer token authn/authz to scrape metrics * Drop RBAC permission from nodes/proxy to nodes/metrics * Stop proxying kubelet scrapes through the apiserver, since this required higher privilege (nodes/proxy) and can add load to the apiserver on large clusters
225 lines
8.0 KiB
YAML
225 lines
8.0 KiB
YAML
apiVersion: v1
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kind: ConfigMap
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metadata:
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name: prometheus-config
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namespace: monitoring
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data:
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prometheus.yaml: |-
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# Global config
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global:
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scrape_interval: 15s
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# AlertManager
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alerting:
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alertmanagers:
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- static_configs:
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- targets:
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- alertmanager:9093
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# Scrape configs for running Prometheus on a Kubernetes cluster.
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# This uses separate scrape configs for cluster components (i.e. API server, node)
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# and services to allow each to use different authentication configs.
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#
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# Kubernetes labels will be added as Prometheus labels on metrics via the
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# `labelmap` relabeling action.
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scrape_configs:
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# Scrape config for API servers.
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#
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# Kubernetes exposes API servers as endpoints to the default/kubernetes
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# service so this uses `endpoints` role and uses relabelling to only keep
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# the endpoints associated with the default/kubernetes service using the
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# default named port `https`. This works for single API server deployments as
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# well as HA API server deployments.
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- job_name: 'kubernetes-apiservers'
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kubernetes_sd_configs:
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- role: endpoints
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scheme: https
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tls_config:
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ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
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# Using endpoints to discover kube-apiserver targets finds the pod IP
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# (host IP since apiserver uses host network) which is not used in
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# the server certificate.
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insecure_skip_verify: true
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bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
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# Keep only the default/kubernetes service endpoints for the https port. This
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# will add targets for each API server which Kubernetes adds an endpoint to
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# the default/kubernetes service.
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relabel_configs:
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- source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
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action: keep
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regex: default;kubernetes;https
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- replacement: apiserver
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action: replace
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target_label: job
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# Scrape config for node (i.e. kubelet) /metrics (e.g. 'kubelet_'). Explore
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# metrics from a node by scraping kubelet (127.0.0.1:10250/metrics).
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- job_name: 'kubelet'
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kubernetes_sd_configs:
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- role: node
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scheme: https
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tls_config:
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ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
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# Kubelet certs don't have any fixed IP SANs
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insecure_skip_verify: true
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bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
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relabel_configs:
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- action: labelmap
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regex: __meta_kubernetes_node_label_(.+)
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# Scrape config for Kubelet cAdvisor. Explore metrics from a node by
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# scraping kubelet (127.0.0.1:10250/metrics/cadvisor).
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- job_name: 'kubernetes-cadvisor'
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kubernetes_sd_configs:
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- role: node
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scheme: https
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metrics_path: /metrics/cadvisor
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tls_config:
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# Kubelet certs don't have any fixed IP SANs
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insecure_skip_verify: true
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ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
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bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
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relabel_configs:
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- action: labelmap
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regex: __meta_kubernetes_node_label_(.+)
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# Scrap etcd metrics from controllers via listen-metrics-urls
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- job_name: 'etcd'
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kubernetes_sd_configs:
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- role: node
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scheme: http
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relabel_configs:
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- source_labels: [__meta_kubernetes_node_label_node_role_kubernetes_io_controller]
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action: keep
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regex: 'true'
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- action: labelmap
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regex: __meta_kubernetes_node_label_(.+)
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- source_labels: [__meta_kubernetes_node_name]
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action: replace
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target_label: __address__
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replacement: '${1}:2381'
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# Scrape config for service endpoints.
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#
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# The relabeling allows the actual service scrape endpoint to be configured
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# via the following annotations:
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#
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# * `prometheus.io/scrape`: Only scrape services that have a value of `true`
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# * `prometheus.io/scheme`: If the metrics endpoint is secured then you will need
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# to set this to `https` & most likely set the `tls_config` of the scrape config.
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# * `prometheus.io/path`: If the metrics path is not `/metrics` override this.
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# * `prometheus.io/port`: If the metrics are exposed on a different port to the
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# service then set this appropriately.
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- job_name: 'kubernetes-service-endpoints'
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kubernetes_sd_configs:
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- role: endpoints
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relabel_configs:
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- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
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action: keep
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regex: true
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- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
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action: replace
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target_label: __scheme__
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regex: (https?)
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- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
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action: replace
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target_label: __metrics_path__
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regex: (.+)
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- source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
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action: replace
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target_label: __address__
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regex: ([^:]+)(?::\d+)?;(\d+)
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replacement: $1:$2
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- action: labelmap
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regex: __meta_kubernetes_service_label_(.+)
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- source_labels: [__meta_kubernetes_namespace]
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action: replace
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target_label: kubernetes_namespace
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- source_labels: [__meta_kubernetes_service_name]
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action: replace
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target_label: job
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# Example scrape config for probing services via the Blackbox Exporter.
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#
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# The relabeling allows the actual service scrape endpoint to be configured
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# via the following annotations:
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#
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# * `prometheus.io/probe`: Only probe services that have a value of `true`
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- job_name: 'kubernetes-services'
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metrics_path: /probe
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params:
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module: [http_2xx]
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kubernetes_sd_configs:
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- role: service
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relabel_configs:
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- source_labels: [__meta_kubernetes_service_annotation_prometheus_io_probe]
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action: keep
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regex: true
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- source_labels: [__address__]
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target_label: __param_target
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- target_label: __address__
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replacement: blackbox
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- source_labels: [__param_target]
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target_label: instance
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- action: labelmap
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regex: __meta_kubernetes_service_label_(.+)
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- source_labels: [__meta_kubernetes_namespace]
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target_label: kubernetes_namespace
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- source_labels: [__meta_kubernetes_service_name]
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target_label: job
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# Example scrape config for pods
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#
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# The relabeling allows the actual pod scrape endpoint to be configured via the
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# following annotations:
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#
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# * `prometheus.io/scrape`: Only scrape pods that have a value of `true`
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# * `prometheus.io/path`: If the metrics path is not `/metrics` override this.
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# * `prometheus.io/port`: Scrape the pod on the indicated port instead of the
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# pod's declared ports (default is a port-free target if none are declared).
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- job_name: 'kubernetes-pods'
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kubernetes_sd_configs:
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- role: pod
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relabel_configs:
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- source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
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action: keep
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regex: true
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- source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
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action: replace
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target_label: __metrics_path__
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regex: (.+)
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- source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
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action: replace
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regex: ([^:]+)(?::\d+)?;(\d+)
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replacement: $1:$2
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target_label: __address__
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- action: labelmap
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regex: __meta_kubernetes_pod_label_(.+)
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- source_labels: [__meta_kubernetes_namespace]
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action: replace
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target_label: kubernetes_namespace
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- source_labels: [__meta_kubernetes_pod_name]
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action: replace
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target_label: kubernetes_pod_name
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# Rule files
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rule_files:
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- "/etc/prometheus/rules/*.rules"
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- "/etc/prometheus/rules/*.yaml"
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- "/etc/prometheus/rules/*.yml"
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