---
#
# Copyright (C) 2019-2022 vdaas.org vald team <vald@vdaas.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config
data:
  prometheus.yaml: |
    ---
    global:
      scrape_interval:     5s
      evaluation_interval: 5s
    scrape_configs:
      - job_name: vald-service-pods
        kubernetes_sd_configs:
          - role: pod
        relabel_configs:
          - source_labels:
            - __meta_kubernetes_pod_label_name
            target_label: __service__
          - source_labels:
            - __meta_kubernetes_pod_node_name
            target_label: __host__
          - action: keep
            regex: (vald|vald-helm-operator)
            source_labels:
              - __meta_kubernetes_pod_label_app_kubernetes_io_name
          - action: labelmap
            regex: __meta_kubernetes_pod_label_(.+)
          - action: replace
            replacement: $1
            separator: /
            source_labels:
            - __meta_kubernetes_namespace
            - __service__
            target_label: job
          - action: replace
            source_labels:
            - __meta_kubernetes_namespace
            target_label: namespace
          - action: replace
            source_labels:
            - __meta_kubernetes_pod_name
            target_label: instance
          - action: replace
            source_labels:
            - __meta_kubernetes_pod_container_name
            target_label: container_name
      - job_name: cAdvisor
        kubernetes_sd_configs:
          - role: node
        scheme: https
        tls_config:
          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
        relabel_configs:
          - target_label: __address__
            replacement: kubernetes.default.svc:443
          - source_labels: [__meta_kubernetes_node_name]
            regex: (.+)
            target_label: __metrics_path__
            replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor
      - job_name: kubernetes-pods
        kubernetes_sd_configs:
          - role: pod
        relabel_configs:
          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
            action: keep
            regex: true
          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
            action: replace
            target_label: __metrics_path__
            regex: (.+)
          - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
            action: replace
            regex: (.+):(?:\d+);(\d+)
            replacement: ${1}:${2}
            target_label: __address__
