From aefd04e2b69c717978f4dcbe4532ab155b618b70 Mon Sep 17 00:00:00 2001 From: Jonny Ervine Date: Fri, 23 Feb 2024 22:10:36 +0800 Subject: [PATCH] Add pihole-exporter --- .../.github/ISSUE_TEMPLATE/bug_report.md | 38 ++++ .../.github/ISSUE_TEMPLATE/custom.md | 10 + .../.github/ISSUE_TEMPLATE/feature_request.md | 20 ++ pihole-exporter/.helmignore | 22 ++ pihole-exporter/Chart.yaml | 11 + pihole-exporter/LICENSE | 201 ++++++++++++++++++ pihole-exporter/README.md | 53 +++++ pihole-exporter/templates/NOTES.txt | 21 ++ pihole-exporter/templates/_helpers.tpl | 45 ++++ pihole-exporter/templates/deployment.yaml | 71 +++++++ pihole-exporter/templates/ingress.yaml | 36 ++++ pihole-exporter/templates/secrets.yaml | 16 ++ pihole-exporter/templates/service.yaml | 16 ++ .../templates/tests/test-connection.yaml | 15 ++ pihole-exporter/values.yaml | 64 ++++++ 15 files changed, 639 insertions(+) create mode 100644 pihole-exporter/.github/ISSUE_TEMPLATE/bug_report.md create mode 100644 pihole-exporter/.github/ISSUE_TEMPLATE/custom.md create mode 100644 pihole-exporter/.github/ISSUE_TEMPLATE/feature_request.md create mode 100644 pihole-exporter/.helmignore create mode 100644 pihole-exporter/Chart.yaml create mode 100644 pihole-exporter/LICENSE create mode 100644 pihole-exporter/README.md create mode 100644 pihole-exporter/templates/NOTES.txt create mode 100644 pihole-exporter/templates/_helpers.tpl create mode 100644 pihole-exporter/templates/deployment.yaml create mode 100644 pihole-exporter/templates/ingress.yaml create mode 100644 pihole-exporter/templates/secrets.yaml create mode 100644 pihole-exporter/templates/service.yaml create mode 100644 pihole-exporter/templates/tests/test-connection.yaml create mode 100644 pihole-exporter/values.yaml diff --git a/pihole-exporter/.github/ISSUE_TEMPLATE/bug_report.md b/pihole-exporter/.github/ISSUE_TEMPLATE/bug_report.md new file mode 100644 index 0000000..dd84ea7 --- /dev/null +++ b/pihole-exporter/.github/ISSUE_TEMPLATE/bug_report.md @@ -0,0 +1,38 @@ +--- +name: Bug report +about: Create a report to help us improve +title: '' +labels: '' +assignees: '' + +--- + +**Describe the bug** +A clear and concise description of what the bug is. + +**To Reproduce** +Steps to reproduce the behavior: +1. Go to '...' +2. Click on '....' +3. Scroll down to '....' +4. See error + +**Expected behavior** +A clear and concise description of what you expected to happen. + +**Screenshots** +If applicable, add screenshots to help explain your problem. + +**Desktop (please complete the following information):** + - OS: [e.g. iOS] + - Browser [e.g. chrome, safari] + - Version [e.g. 22] + +**Smartphone (please complete the following information):** + - Device: [e.g. iPhone6] + - OS: [e.g. iOS8.1] + - Browser [e.g. stock browser, safari] + - Version [e.g. 22] + +**Additional context** +Add any other context about the problem here. diff --git a/pihole-exporter/.github/ISSUE_TEMPLATE/custom.md b/pihole-exporter/.github/ISSUE_TEMPLATE/custom.md new file mode 100644 index 0000000..48d5f81 --- /dev/null +++ b/pihole-exporter/.github/ISSUE_TEMPLATE/custom.md @@ -0,0 +1,10 @@ +--- +name: Custom issue template +about: Describe this issue template's purpose here. +title: '' +labels: '' +assignees: '' + +--- + + diff --git a/pihole-exporter/.github/ISSUE_TEMPLATE/feature_request.md b/pihole-exporter/.github/ISSUE_TEMPLATE/feature_request.md new file mode 100644 index 0000000..bbcbbe7 --- /dev/null +++ b/pihole-exporter/.github/ISSUE_TEMPLATE/feature_request.md @@ -0,0 +1,20 @@ +--- +name: Feature request +about: Suggest an idea for this project +title: '' +labels: '' +assignees: '' + +--- + +**Is your feature request related to a problem? Please describe.** +A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] + +**Describe the solution you'd like** +A clear and concise description of what you want to happen. + +**Describe alternatives you've considered** +A clear and concise description of any alternative solutions or features you've considered. + +**Additional context** +Add any other context or screenshots about the feature request here. diff --git a/pihole-exporter/.helmignore b/pihole-exporter/.helmignore new file mode 100644 index 0000000..50af031 --- /dev/null +++ b/pihole-exporter/.helmignore @@ -0,0 +1,22 @@ +# Patterns to ignore when building packages. +# This supports shell glob matching, relative path matching, and +# negation (prefixed with !). Only one pattern per line. +.DS_Store +# Common VCS dirs +.git/ +.gitignore +.bzr/ +.bzrignore +.hg/ +.hgignore +.svn/ +# Common backup files +*.swp +*.bak +*.tmp +*~ +# Various IDEs +.project +.idea/ +*.tmproj +.vscode/ diff --git a/pihole-exporter/Chart.yaml b/pihole-exporter/Chart.yaml new file mode 100644 index 0000000..0685335 --- /dev/null +++ b/pihole-exporter/Chart.yaml @@ -0,0 +1,11 @@ +apiVersion: v1 +name: pihole-exporter +appVersion: "0.0.1" +description: A Helm chart for Pihole Exporter to export metrics to Prometheus +name: pihole-exporter +sources: + - https://github.com/eko/pihole-exporter +maintainers: + - name: Simon Garcia + email: deportivo2005@gmail.com +version: 1.1.0 diff --git a/pihole-exporter/LICENSE b/pihole-exporter/LICENSE new file mode 100644 index 0000000..261eeb9 --- /dev/null +++ b/pihole-exporter/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + 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. diff --git a/pihole-exporter/README.md b/pihole-exporter/README.md new file mode 100644 index 0000000..991956c --- /dev/null +++ b/pihole-exporter/README.md @@ -0,0 +1,53 @@ +# Pihole Exporter Helm Chart + +TL;DR; + +``` +helm install -name pihole-exporter --namespace pihole ./ +``` + +Using an auth token: +``` +helm install \ + -name pihole-exporter \ + --namespace pihole \ + --set secretEnvVars.PIHOLE_APITOKEN=myPiHoleApiToken \ + ./ +``` + +Using a password: +``` +helm install \ + -name pihole-exporter \ + --namespace pihole \ + --set secretEnvVars.PIHOLE_PASSWORD=myPiHolePassword \ + ./ +``` + +Setting the hostname with a password: +``` +helm install \ + -name pihole-exporter \ + --namespace pihole \ + --set secretEnvVars.PIHOLE_PASSWORD=myPiHolePassword \ + --set extraEnvVars.PIHOLE_HOSTNAME=my.pihole.server \ + ./ +``` + +## Introduction + +This chart deploys the pihole-exporter by eko - https://github.com/eko/pihole-exporter to a kubernetes cluster. + +## Notes +I have not set a default configuration, please modify the values.yaml file with your correct config settings. + +## Configuration + +| Parameter | Description | Default | +| :---------------------------- | :------------------------------------ | ------: | +| service.port | Port for the kubernetes service | 9617 | +| extraEnvVars.INTERVAL | How often to poll pihole stats | 10s | +| extraEnvVars.PIHOLE_HOSTNAME | Pihole Hostname | None | +| secretEnvVars.PIHOLE_PASSWORD | Pihole admin user password | None | +| secretEnvVars.PIHOLE_APITOKEN | Pihole api token | None | +| extraEnvVars.PORT | Change default webserver port for app | 9617 | diff --git a/pihole-exporter/templates/NOTES.txt b/pihole-exporter/templates/NOTES.txt new file mode 100644 index 0000000..7f727f8 --- /dev/null +++ b/pihole-exporter/templates/NOTES.txt @@ -0,0 +1,21 @@ +1. Get the application URL by running these commands: +{{- if .Values.ingress.enabled }} +{{- range $host := .Values.ingress.hosts }} + {{- range .paths }} + http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ . }} + {{- end }} +{{- end }} +{{- else if contains "NodePort" .Values.service.type }} + export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "pihole-exporter.fullname" . }}) + export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}") + echo http://$NODE_IP:$NODE_PORT +{{- else if contains "LoadBalancer" .Values.service.type }} + NOTE: It may take a few minutes for the LoadBalancer IP to be available. + You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "pihole-exporter.fullname" . }}' + export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "pihole-exporter.fullname" . }} -o jsonpath='{.status.loadBalancer.ingress[0].ip}') + echo http://$SERVICE_IP:{{ .Values.service.port }} +{{- else if contains "ClusterIP" .Values.service.type }} + export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "pihole-exporter.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}") + kubectl port-forward --namespace {{ .Release.Namespace }} $POD_NAME 8080:{{ .Values.service.port }} + echo "Test your service with `curl -s http://127.0.0.1:8080/metrics`" +{{- end }} diff --git a/pihole-exporter/templates/_helpers.tpl b/pihole-exporter/templates/_helpers.tpl new file mode 100644 index 0000000..f7c1756 --- /dev/null +++ b/pihole-exporter/templates/_helpers.tpl @@ -0,0 +1,45 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Expand the name of the chart. +*/}} +{{- define "pihole-exporter.name" -}} +{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Create a default fully qualified app name. +We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec). +If release name contains chart name it will be used as a full name. +*/}} +{{- define "pihole-exporter.fullname" -}} +{{- if .Values.fullnameOverride -}} +{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- $name := default .Chart.Name .Values.nameOverride -}} +{{- if contains $name .Release.Name -}} +{{- .Release.Name | trunc 63 | trimSuffix "-" -}} +{{- else -}} +{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}} +{{- end -}} +{{- end -}} +{{- end -}} + +{{/* +Create chart name and version as used by the chart label. +*/}} +{{- define "pihole-exporter.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Common labels +*/}} +{{- define "pihole-exporter.labels" -}} +app.kubernetes.io/name: {{ include "pihole-exporter.name" . }} +helm.sh/chart: {{ include "pihole-exporter.chart" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- if .Chart.AppVersion }} +app.kubernetes.io/version: {{ .Chart.AppVersion | quote }} +{{- end }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end -}} diff --git a/pihole-exporter/templates/deployment.yaml b/pihole-exporter/templates/deployment.yaml new file mode 100644 index 0000000..eff4459 --- /dev/null +++ b/pihole-exporter/templates/deployment.yaml @@ -0,0 +1,71 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: {{ include "pihole-exporter.fullname" . }} + labels: +{{ include "pihole-exporter.labels" . | indent 4 }} +spec: + replicas: {{ .Values.replicaCount }} + selector: + matchLabels: + app.kubernetes.io/name: {{ include "pihole-exporter.name" . }} + app.kubernetes.io/instance: {{ .Release.Name }} + template: + metadata: + {{- with .Values.annotations }} + annotations: + {{- toYaml . | nindent 8 }} + {{- end }} + labels: + app.kubernetes.io/name: {{ include "pihole-exporter.name" . }} + app.kubernetes.io/instance: {{ .Release.Name }} + spec: + {{- with .Values.imagePullSecrets }} + imagePullSecrets: + {{- toYaml . | nindent 8 }} + {{- end }} + automountServiceAccountToken: false + containers: + - name: {{ .Chart.Name }} + image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}" + imagePullPolicy: {{ .Values.image.pullPolicy }} + env: + {{- range $key, $value := .Values.extraEnvVars }} + - name: {{ $key | quote }} + value: {{ $value | quote }} + {{- end }} + {{ if .Values.secretEnvVars }} + envFrom: + - secretRef: + name: {{ include "pihole-exporter.fullname" . }} + {{- end }} + ports: + - name: httpexporter + containerPort: {{ .Values.service.port }} + protocol: TCP + livenessProbe: + httpGet: + path: /liveness + port: {{ .Values.service.port }} + readinessProbe: + httpGet: + path: /readiness + port: {{ .Values.service.port }} + resources: + {{- toYaml .Values.resources | nindent 12 }} + {{- with .Values.securityContext }} + securityContext: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.nodeSelector }} + nodeSelector: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.affinity }} + affinity: + {{- toYaml . | nindent 8 }} + {{- end }} + {{- with .Values.tolerations }} + tolerations: + {{- toYaml . | nindent 8 }} + {{- end }} diff --git a/pihole-exporter/templates/ingress.yaml b/pihole-exporter/templates/ingress.yaml new file mode 100644 index 0000000..65246fe --- /dev/null +++ b/pihole-exporter/templates/ingress.yaml @@ -0,0 +1,36 @@ +{{- if .Values.ingress.enabled -}} +{{- $fullName := include "pihole-exporter.fullname" . -}} +apiVersion: extensions/v1beta1 +kind: Ingress +metadata: + name: {{ $fullName }} + labels: +{{ include "pihole-exporter.labels" . | indent 4 }} + {{- with .Values.ingress.annotations }} + annotations: + {{- toYaml . | nindent 4 }} + {{- end }} +spec: +{{- if .Values.ingress.tls }} + tls: + {{- range .Values.ingress.tls }} + - hosts: + {{- range .hosts }} + - {{ . | quote }} + {{- end }} + secretName: {{ .secretName }} + {{- end }} +{{- end }} + rules: + {{- range .Values.ingress.hosts }} + - host: {{ .host | quote }} + http: + paths: + {{- range .paths }} + - path: {{ . }} + backend: + serviceName: {{ $fullName }} + servicePort: http + {{- end }} + {{- end }} +{{- end }} diff --git a/pihole-exporter/templates/secrets.yaml b/pihole-exporter/templates/secrets.yaml new file mode 100644 index 0000000..28b4058 --- /dev/null +++ b/pihole-exporter/templates/secrets.yaml @@ -0,0 +1,16 @@ +{{ if .Values.secretEnvVars }} +apiVersion: v1 +kind: Secret +metadata: + name: {{ include "pihole-exporter.fullname" . }} + labels: +{{ include "pihole-exporter.labels" . | indent 4 }} +type: Opaque +data: + {{ if .Values.secretEnvVars.PIHOLE_PASSWORD }} + PIHOLE_PASSWORD: {{ .Values.secretEnvVars.PIHOLE_PASSWORD | b64enc | quote }} + {{ end }} + {{ if .Values.secretEnvVars.PIHOLE_APITOKEN }} + PIHOLE_APITOKEN: {{ .Values.secretEnvVars.PIHOLE_APITOKEN | b64enc | quote }} + {{ end }} +{{ end }} \ No newline at end of file diff --git a/pihole-exporter/templates/service.yaml b/pihole-exporter/templates/service.yaml new file mode 100644 index 0000000..e595b32 --- /dev/null +++ b/pihole-exporter/templates/service.yaml @@ -0,0 +1,16 @@ +apiVersion: v1 +kind: Service +metadata: + name: {{ include "pihole-exporter.fullname" . }} + labels: +{{ include "pihole-exporter.labels" . | indent 4 }} +spec: + type: {{ .Values.service.type }} + ports: + - port: {{ .Values.service.port }} + targetPort: {{ .Values.service.port }} + protocol: TCP + name: exporter-port + selector: + app.kubernetes.io/name: {{ include "pihole-exporter.name" . }} + app.kubernetes.io/instance: {{ .Release.Name }} diff --git a/pihole-exporter/templates/tests/test-connection.yaml b/pihole-exporter/templates/tests/test-connection.yaml new file mode 100644 index 0000000..18eca9a --- /dev/null +++ b/pihole-exporter/templates/tests/test-connection.yaml @@ -0,0 +1,15 @@ +apiVersion: v1 +kind: Pod +metadata: + name: "{{ include "pihole-exporter.fullname" . }}-test-connection" + labels: +{{ include "pihole-exporter.labels" . | indent 4 }} + annotations: + "helm.sh/hook": test-success +spec: + containers: + - name: wget + image: busybox + command: ['wget'] + args: ['{{ include "pihole-exporter.fullname" . }}:{{ .Values.service.port }}'] + restartPolicy: Never diff --git a/pihole-exporter/values.yaml b/pihole-exporter/values.yaml new file mode 100644 index 0000000..f6ac59d --- /dev/null +++ b/pihole-exporter/values.yaml @@ -0,0 +1,64 @@ +# Default values for pihole-exporter. +# This is a YAML-formatted file. +# Declare variables to be passed into your templates. + +replicaCount: 1 + +image: + repository: ekofr/pihole-exporter + tag: latest + pullPolicy: IfNotPresent + +imagePullSecrets: [] +nameOverride: "" +fullnameOverride: "" + +service: + type: ClusterIP + port: 9617 #DefaultImagePort-CanBeChangedBelow + +ingress: + enabled: false + annotations: {} + # kubernetes.io/ingress.class: nginx + # kubernetes.io/tls-acme: "true" + hosts: + - host: pihole-host.local + paths: {} + + tls: [] + # - secretName: chart-example-tls + # hosts: + # - chart-example.local + +extraEnvVars: + INTERVAL: 10s, + PIHOLE_HOSTNAME: 192.168.11.53,192.168.11.54 + PIHOLE_PORT: 80 #Change the port the exporter tries to access your Pihole Service on + PORT: 9617 #ChangeDefaultWebserverPort + +secretEnvVars: +# PIHOLE_PASSWORD: + PIHOLE_API_TOKEN: 447e0a900a008b3ab0b3b8533f88353bb712c6fcdf84a7cdfeeec524f6b92898 + +resources: {} + # We usually recommend not to specify default resources and to leave this as a conscious + # choice for the user. This also increases chances charts run on environments with little + # resources, such as Minikube. If you do want to specify resources, uncomment the following + # lines, adjust them as necessary, and remove the curly braces after 'resources:'. + # limits: + # cpu: 100m + # memory: 128Mi + # requests: + # cpu: 100m + # memory: 128Mi + +nodeSelector: {} + +tolerations: [] + +affinity: {} + +securityContext: {} + +annotations: {}