bottlerocket-update-operator
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Decide whether to add annotations for promethues by default
Metrics can be scraped by Prometheus if the following sample annotations are added in the kubernetes deployment yaml file:
prometheus.io/port: "8080"
prometheus.io/scrape: "true"
Need to check if this is the common way that kubernetes work with Prometheus and decide whether to add those annotations by default.
I got prometheus to scrape the metrics by applying these labels to the controller service. Note: I tried prometheus.io/port: "80"
but that did not work, the port needs to be 8080
.
I have prometheus deployed via helm with the chart version prometheus-15.0.4
It need to be 8080 because the default internal endpoint is 8080.
Could you also share your scrape_configs in prometheus?
This is my scrape config:
scrape_configs:
- job_name: prometheus
static_configs:
- targets:
- localhost:9090
- bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
job_name: kubernetes-apiservers
kubernetes_sd_configs:
- role: endpoints
relabel_configs:
- action: keep
regex: default;kubernetes;https
source_labels:
- __meta_kubernetes_namespace
- __meta_kubernetes_service_name
- __meta_kubernetes_endpoint_port_name
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
- bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
job_name: kubernetes-nodes
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
- replacement: kubernetes.default.svc:443
target_label: __address__
- regex: (.+)
replacement: /api/v1/nodes/$1/proxy/metrics
source_labels:
- __meta_kubernetes_node_name
target_label: __metrics_path__
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
- bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
job_name: kubernetes-nodes-cadvisor
kubernetes_sd_configs:
- role: node
relabel_configs:
- action: labelmap
regex: __meta_kubernetes_node_label_(.+)
- replacement: kubernetes.default.svc:443
target_label: __address__
- regex: (.+)
replacement: /api/v1/nodes/$1/proxy/metrics/cadvisor
source_labels:
- __meta_kubernetes_node_name
target_label: __metrics_path__
scheme: https
tls_config:
ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
insecure_skip_verify: true
- job_name: kubernetes-service-endpoints
kubernetes_sd_configs:
- role: endpoints
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_scrape
- action: drop
regex: true
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_scrape_slow
- action: replace
regex: (https?)
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_scheme
target_label: __scheme__
- action: replace
regex: (.+)
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_path
target_label: __metrics_path__
- action: replace
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
source_labels:
- __address__
- __meta_kubernetes_service_annotation_prometheus_io_port
target_label: __address__
- action: labelmap
regex: __meta_kubernetes_service_annotation_prometheus_io_param_(.+)
replacement: __param_$1
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
source_labels:
- __meta_kubernetes_service_name
target_label: service
- action: replace
source_labels:
- __meta_kubernetes_pod_node_name
target_label: node
- job_name: kubernetes-service-endpoints-slow
kubernetes_sd_configs:
- role: endpoints
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_scrape_slow
- action: replace
regex: (https?)
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_scheme
target_label: __scheme__
- action: replace
regex: (.+)
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_path
target_label: __metrics_path__
- action: replace
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
source_labels:
- __address__
- __meta_kubernetes_service_annotation_prometheus_io_port
target_label: __address__
- action: labelmap
regex: __meta_kubernetes_service_annotation_prometheus_io_param_(.+)
replacement: __param_$1
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
source_labels:
- __meta_kubernetes_service_name
target_label: service
- action: replace
source_labels:
- __meta_kubernetes_pod_node_name
target_label: node
scrape_interval: 5m
scrape_timeout: 30s
- honor_labels: true
job_name: prometheus-pushgateway
kubernetes_sd_configs:
- role: service
relabel_configs:
- action: keep
regex: pushgateway
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_probe
- job_name: kubernetes-services
kubernetes_sd_configs:
- role: service
metrics_path: /probe
params:
module:
- http_2xx
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_service_annotation_prometheus_io_probe
- source_labels:
- __address__
target_label: __param_target
- replacement: blackbox
target_label: __address__
- source_labels:
- __param_target
target_label: instance
- action: labelmap
regex: __meta_kubernetes_service_label_(.+)
- source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- source_labels:
- __meta_kubernetes_service_name
target_label: service
- job_name: kubernetes-pods
kubernetes_sd_configs:
- role: pod
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_scrape
- action: drop
regex: true
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_scrape_slow
- action: replace
regex: (https?)
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_scheme
target_label: __scheme__
- action: replace
regex: (.+)
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_path
target_label: __metrics_path__
- action: replace
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
source_labels:
- __address__
- __meta_kubernetes_pod_annotation_prometheus_io_port
target_label: __address__
- action: labelmap
regex: __meta_kubernetes_pod_annotation_prometheus_io_param_(.+)
replacement: __param_$1
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- action: drop
regex: Pending|Succeeded|Failed|Completed
source_labels:
- __meta_kubernetes_pod_phase
- job_name: kubernetes-pods-slow
kubernetes_sd_configs:
- role: pod
relabel_configs:
- action: keep
regex: true
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_scrape_slow
- action: replace
regex: (https?)
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_scheme
target_label: __scheme__
- action: replace
regex: (.+)
source_labels:
- __meta_kubernetes_pod_annotation_prometheus_io_path
target_label: __metrics_path__
- action: replace
regex: ([^:]+)(?::\d+)?;(\d+)
replacement: $1:$2
source_labels:
- __address__
- __meta_kubernetes_pod_annotation_prometheus_io_port
target_label: __address__
- action: labelmap
regex: __meta_kubernetes_pod_annotation_prometheus_io_param_(.+)
replacement: __param_$1
- action: labelmap
regex: __meta_kubernetes_pod_label_(.+)
- action: replace
source_labels:
- __meta_kubernetes_namespace
target_label: namespace
- action: replace
source_labels:
- __meta_kubernetes_pod_name
target_label: pod
- action: drop
regex: Pending|Succeeded|Failed|Completed
source_labels:
- __meta_kubernetes_pod_phase
scrape_interval: 5m
scrape_timeout: 30s
The relevant section can be found here in the helm chart's values: https://github.com/prometheus-community/helm-charts/blob/main/charts/prometheus/values.yaml#L1547