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added k8s-kube-prom-stack role

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m0e 2025-10-30 15:05:25 +01:00
parent afbec78158
commit 860d150c62
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GPG Key ID: 3CCA6D483D789AEB
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20
ansible/roles/k8s-kube-prom-stack/README.md Normal file
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Role Name
=========
This role installs the official prometheus operator via kube-prom-stack helm chart and adds a read-only wordpress dashboard via configmap.
Values and dashboard manifest can be found in files/
It also creates TLS secured ingresses at:
https://grafana.moritz.agitronic.net
https://prometheus.moritz.agitronic.net (basic auth secured)
https://alertmanager.moritz.agitronic.net (basic auth secured)
Credentials are in files/values.yaml#grafana.admin(User|Password)
These are also used for basic auth
License
-------
BSD

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ansible/roles/k8s-kube-prom-stack/defaults/main.yml Normal file
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#SPDX-License-Identifier: MIT-0
---
# defaults file for k8s-kube-prom-stack

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ansible/roles/k8s-kube-prom-stack/files/values.yaml Normal file
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ansible/roles/k8s-kube-prom-stack/files/wordpress-dashboard.yaml Normal file
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apiVersion: v1
kind: ConfigMap
metadata:
labels:
grafana_dashboard: "1"
name: wordpress-dashboard
namespace: observability
data:
wordpress-dashboard.json: |-
{
"annotations": {
"list": [
{
"builtIn": 1,
"datasource": {
"uid": "-- Grafana --"
},
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"target": {
"limit": 100,
"matchAny": false,
"tags": [],
"type": "dashboard"
},
"type": "dashboard"
}
]
},
"description": "A dashboard displaying WordPress site metrics. Used with wordpress-exporter https://github.com/aorfanos/wordpress-exporter",
"editable": false,
"fiscalYearStartMonth": 0,
"graphTooltip": 0,
"id": 28,
"links": [],
"panels": [
{
"fieldConfig": {
"defaults": {},
"overrides": []
},
"gridPos": {
"h": 11,
"w": 8,
"x": 0,
"y": 0
},
"id": 10,
"options": {
"code": {
"language": "plaintext",
"showLineNumbers": false,
"showMiniMap": false
},
"content": "<img src=\"https://pngimg.com/uploads/wordpress/wordpress_PNG6.png\" alt=\"WordPress logo png\">",
"mode": "html"
},
"pluginVersion": "12.2.0",
"title": "",
"transparent": true,
"type": "text"
},
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"description": "",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": 0
},
{
"color": "green",
"value": 1
}
]
}
},
"overrides": []
},
"gridPos": {
"h": 11,
"w": 8,
"x": 8,
"y": 0
},
"id": 11,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"percentChangeColorMode": "standard",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showPercentChange": false,
"text": {},
"textMode": "auto",
"wideLayout": true
},
"pluginVersion": "12.2.0",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"editorMode": "code",
"expr": "apache_up{}",
"interval": "",
"legendFormat": "__auto",
"range": true,
"refId": "A"
}
],
"title": "Wordpress status",
"transparent": true,
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": 0
},
{
"color": "red",
"value": 80
}
]
}
},
"overrides": []
},
"gridPos": {
"h": 11,
"w": 8,
"x": 16,
"y": 0
},
"id": 20,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"percentChangeColorMode": "standard",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showPercentChange": false,
"textMode": "auto",
"wideLayout": true
},
"pluginVersion": "12.2.0",
"targets": [
{
"editorMode": "builder",
"expr": "apache_accesses_total{job=\"wordpress-metrics\"}",
"legendFormat": "__auto",
"range": true,
"refId": "A"
}
],
"title": "Accesses",
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"description": "WordPress plugin count",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": []
}
},
"overrides": []
},
"gridPos": {
"h": 11,
"w": 8,
"x": 0,
"y": 11
},
"id": 2,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"percentChangeColorMode": "standard",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showPercentChange": false,
"text": {},
"textMode": "auto",
"wideLayout": true
},
"pluginVersion": "12.2.0",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"editorMode": "code",
"expr": "apache_load{interval=\"1min\"}",
"interval": "",
"legendFormat": "__auto",
"range": true,
"refId": "A"
}
],
"title": "Webserver load1",
"transparent": true,
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"description": "WordPress plugin count",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": []
}
},
"overrides": []
},
"gridPos": {
"h": 11,
"w": 8,
"x": 8,
"y": 11
},
"id": 25,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"percentChangeColorMode": "standard",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showPercentChange": false,
"text": {},
"textMode": "auto",
"wideLayout": true
},
"pluginVersion": "12.2.0",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"editorMode": "code",
"expr": "apache_load{interval=\"5min\"}",
"interval": "",
"legendFormat": "__auto",
"range": true,
"refId": "A"
}
],
"title": "Webserver load5",
"transparent": true,
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"description": "WordPress plugin count",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": []
}
},
"overrides": []
},
"gridPos": {
"h": 11,
"w": 8,
"x": 16,
"y": 11
},
"id": 24,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"percentChangeColorMode": "standard",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showPercentChange": false,
"text": {},
"textMode": "auto",
"wideLayout": true
},
"pluginVersion": "12.2.0",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"editorMode": "code",
"expr": "apache_load{interval=\"15min\"}",
"interval": "",
"legendFormat": "__auto",
"range": true,
"refId": "A"
}
],
"title": "Webserver load15",
"transparent": true,
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": 0
},
{
"color": "red",
"value": 80
}
]
}
},
"overrides": []
},
"gridPos": {
"h": 4,
"w": 8,
"x": 0,
"y": 22
},
"id": 23,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"percentChangeColorMode": "standard",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showPercentChange": false,
"textMode": "auto",
"wideLayout": true
},
"pluginVersion": "12.2.0",
"targets": [
{
"editorMode": "builder",
"expr": "apache_workers{job=\"wordpress-metrics\", state=\"busy\"}",
"legendFormat": "__auto",
"range": true,
"refId": "A"
}
],
"title": "Busy workers",
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": 0
},
{
"color": "red",
"value": 80
}
]
}
},
"overrides": []
},
"gridPos": {
"h": 4,
"w": 8,
"x": 8,
"y": 22
},
"id": 22,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"percentChangeColorMode": "standard",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showPercentChange": false,
"textMode": "auto",
"wideLayout": true
},
"pluginVersion": "12.2.0",
"targets": [
{
"editorMode": "builder",
"expr": "apache_workers{job=\"wordpress-metrics\", state=\"idle\"}",
"legendFormat": "__auto",
"range": true,
"refId": "A"
}
],
"title": "Idle workers",
"type": "stat"
},
{
"datasource": {
"type": "prometheus",
"uid": "prometheus"
},
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": 0
},
{
"color": "red",
"value": 80
}
]
}
},
"overrides": []
},
"gridPos": {
"h": 4,
"w": 8,
"x": 16,
"y": 22
},
"id": 21,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"percentChangeColorMode": "standard",
"reduceOptions": {
"calcs": [
"lastNotNull"
],
"fields": "",
"values": false
},
"showPercentChange": false,
"textMode": "auto",
"wideLayout": true
},
"pluginVersion": "12.2.0",
"targets": [
{
"editorMode": "builder",
"expr": "apache_sent_kilobytes_total{job=\"wordpress-metrics\"}",
"legendFormat": "__auto",
"range": true,
"refId": "A"
}
],
"title": "kB sent",
"type": "stat"
}
],
"preload": false,
"refresh": "",
"schemaVersion": 42,
"tags": [
"wordpress",
"web"
],
"templating": {
"list": []
},
"time": {
"from": "now-6h",
"to": "now"
},
"timepicker": {},
"timezone": "",
"title": "WordPress dashboard",
"uid": "JvPWxRyGz",
"version": 1
}

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ansible/roles/k8s-kube-prom-stack/handlers/main.yml Normal file
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#SPDX-License-Identifier: MIT-0
---
# handlers file for k8s-kube-prom-stack

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ansible/roles/k8s-kube-prom-stack/meta/main.yml Normal file
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#SPDX-License-Identifier: MIT-0
galaxy_info:
author: your name
description: your role description
company: your company (optional)
# If the issue tracker for your role is not on github, uncomment the
# next line and provide a value
# issue_tracker_url: http://example.com/issue/tracker
# Choose a valid license ID from https://spdx.org - some suggested licenses:
# - BSD-3-Clause (default)
# - MIT
# - GPL-2.0-or-later
# - GPL-3.0-only
# - Apache-2.0
# - CC-BY-4.0
license: license (GPL-2.0-or-later, MIT, etc)
min_ansible_version: 2.1
# If this a Container Enabled role, provide the minimum Ansible Container version.
# min_ansible_container_version:
galaxy_tags: []
# List tags for your role here, one per line. A tag is a keyword that describes
# and categorizes the role. Users find roles by searching for tags. Be sure to
# remove the '[]' above, if you add tags to this list.
#
# NOTE: A tag is limited to a single word comprised of alphanumeric characters.
# Maximum 20 tags per role.
dependencies: []
# List your role dependencies here, one per line. Be sure to remove the '[]' above,
# if you add dependencies to this list.

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ansible/roles/k8s-kube-prom-stack/tasks/main.yml Normal file
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#SPDX-License-Identifier: MIT-0
---
# tasks file for k8s-kube-prom-stack
- name: Add helm repository
kubernetes.core.helm_repository:
name: prometheus-community
repo_url: https://prometheus-community.github.io/helm-charts
state: present
- name: Copy value files
ansible.builtin.copy:
src: files/values.yaml
dest: /root/prom-values.yaml
- name: Copy wordpress-dashboard
ansible.builtin.copy:
src: files/wordpress-dashboard.yaml
dest: /root/
- name: Install kube-prom-stack
kubernetes.core.helm:
name: kube-prom-stack
chart_ref: prometheus-community/kube-prometheus-stack
namespace: observability
create_namespace: true
atomic: true
kubeconfig: /etc/rancher/k3s/k3s.yaml
wait: yes
timeout: 600s
values_files:
/root/prom-values.yaml # Path to your custom values file, if needed
state: present
- name: Add wordpress-dashboard to grafana
kubernetes.core.k8s:
kubeconfig: /etc/rancher/k3s/k3s.yaml
state: present
src: /root/wordpress-dashboard.yaml

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ansible/roles/k8s-kube-prom-stack/tests/inventory Normal file
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#SPDX-License-Identifier: MIT-0
localhost

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ansible/roles/k8s-kube-prom-stack/vars/main.yml Normal file
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#SPDX-License-Identifier: MIT-0
---
# vars file for k8s-kube-prom-stack