roles/ipmi_exporter/tasks/main.yml

# Copyright (c) 2022 VEXXHOST, Inc.
#
# 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
#
#      http://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.

- name: Create ConfigMap
  kubernetes.core.k8s:
    state: present
    definition:
      apiVersion: v1
      kind: ConfigMap
      metadata:
        name: ipmi-exporter
        namespace: monitoring
        labels:
          application: ipmi-exporter
      data:
        config.yml: "{{ ipmi_exporter_config | to_yaml }}"

- name: Create DaemonSet
  kubernetes.core.k8s:
    state: present
    definition:
      apiVersion: apps/v1
      kind: DaemonSet
      metadata:
        name: ipmi-exporter
        namespace: monitoring
        labels:
          application: ipmi-exporter
      spec:
        selector:
          matchLabels:
            application: ipmi-exporter
        template:
          metadata:
            annotations:
              config-hash: "{{ ipmi_exporter_config | to_yaml | hash('md5') }}"
            labels:
              application: ipmi-exporter
              job: ipmi
          spec:
            containers:
              - name: exporter
                image: "{{ ipmi_exporter_image_repository }}/ipmi-exporter:{{ ipmi_exporter_image_tag }}"
                ports:
                  - name: metrics
                    containerPort: 9290
                securityContext:
                  privileged: true
                volumeMounts:
                  - name: dev-ipmi0
                    mountPath: /dev/ipmi0
                  - name: ipmi-exporter
                    mountPath: /config.yml
                    subPath: config.yml
            volumes:
              - name: dev-ipmi0
                hostPath:
                  path: /dev/ipmi0
              - name: ipmi-exporter
                configMap:
                  name: ipmi-exporter
            affinity:
              nodeAffinity:
                requiredDuringSchedulingIgnoredDuringExecution:
                  nodeSelectorTerms:
                    - matchExpressions:
                        - key: feature.node.kubernetes.io/cpu-cpuid.HYPERVISOR
                          operator: NotIn
                          values: ["true"]
            nodeSelector:
              feature.node.kubernetes.io/ipmi: "true"

- name: Create PodMonitor
  kubernetes.core.k8s:
    state: present
    definition:
      apiVersion: monitoring.coreos.com/v1
      kind: PodMonitor
      metadata:
        name: ipmi-exporter
        namespace: monitoring
        labels:
          application: ipmi-exporter
          release: kube-prometheus-stack
      spec:
        jobLabel: job
        podMetricsEndpoints:
          - port: metrics
            path: /metrics
            interval: 60s
            relabelings:
              - sourceLabels: ["__meta_kubernetes_pod_node_name"]
                targetLabel: instance
              - action: labeldrop
                regex: ^(container|endpoint|namespace|pod)$
        selector:
          matchLabels:
            application: ipmi-exporter

- name: Create PrometheusRule
  kubernetes.core.k8s:
    state: present
    definition:
      apiVersion: monitoring.coreos.com/v1
      kind: PrometheusRule
      metadata:
        name: ipmi-exporter
        namespace: monitoring
        labels:
          application: ipmi-exporter
          release: kube-prometheus-stack
      spec:
        groups:
          - name: rules
            rules:
              - alert: IpmiCollectorDown
                expr: ipmi_up == 0
          - name: collectors-state-warning
            rules:
              - alert: IpmiCurrent
                expr: ipmi_current_state == 1
                labels:
                  severity: warning
              - alert: IpmiFanSpeed
                expr: ipmi_fan_speed_state == 1
                labels:
                  severity: warning
              - alert: IpmiPower
                expr: ipmi_power_state == 1
                labels:
                  severity: warning
              - alert: IpmiSensor
                expr: ipmi_sensor_state == 1
                labels:
                  severity: warning
              - alert: IpmiTemperature
                expr: ipmi_temperature_state == 1
                labels:
                  severity: warning
              - alert: IpmiVoltage
                expr: ipmi_voltage_state == 1
                labels:
                  severity: warning
          - name: collectors-state-critical
            rules:
              - alert: IpmiCurrent
                expr: ipmi_current_state == 2
                labels:
                  severity: critical
              - alert: IpmiFanSpeed
                expr: ipmi_fan_speed_state == 2
                labels:
                  severity: critical
              - alert: IpmiPower
                expr: ipmi_power_state == 2
                labels:
                  severity: critical
              - alert: IpmiSensor
                expr: ipmi_sensor_state == 2
                labels:
                  severity: critical
              - alert: IpmiTemperature
                expr: ipmi_temperature_state == 2
                labels:
                  severity: critical
              - alert: IpmiVoltage
                expr: ipmi_voltage_state == 2
                labels:
                  severity: critical