Initial Commit

2023-07-09 12:32:39 +02:00 · 2023-07-09 12:32:39 +02:00 · b5ec529129
commit b5ec529129
15 changed files with 698 additions and 0 deletions
--- a/.drone.yml
+++ b/.drone.yml
@ -0,0 +1,106 @@
+---
+kind: pipeline
+type: kubernetes
+name: linter
+
+clone:
+  disable: true
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: clone
+  image: git.cryptic.systems/volker.raschek/git:1.2.1
+
+- name: helm lint
+  commands:
+  - helm lint
+  image: git.cryptic.systems/volker.raschek/helm:3.12.1
+  resources:
+    limits:
+      cpu: 50
+      memory: 50M
+
+- name: markdown lint
+  commands:
+  - markdownlint *.md
+  image: git.cryptic.systems/volker.raschek/markdownlint:0.34.0
+  resources:
+    limits:
+      cpu: 150
+      memory: 150M
+
+- name: helm template
+  commands:
+  - helm template .
+  image: git.cryptic.systems/volker.raschek/helm:3.12.1
+  resources:
+    limits:
+      cpu: 150
+      memory: 150M
+
+- name: email-notification
+  environment:
+    SMTP_FROM_ADDRESS:
+      from_secret: smtp_from_address
+    SMTP_FROM_NAME:
+      from_secret: smtp_from_name
+    SMTP_HOST:
+      from_secret: smtp_host
+    SMTP_USERNAME:
+      from_secret: smtp_username
+    SMTP_PASSWORD:
+      from_secret: smtp_password
+  image: git.cryptic.systems/volker.raschek/drone-email:0.1.1
+  resources:
+    limits:
+      cpu: 150
+      memory: 150M
+  when:
+    status:
+    - changed
+    - failure
+
+trigger:
+  event:
+    exclude:
+    - tag
+
+---
+kind: pipeline
+type: kubernetes
+name: release
+
+clone:
+  disable: true
+
+platform:
+  os: linux
+
+steps:
+- name: clone
+  image: git.cryptic.systems/volker.raschek/git:1.2.1
+
+- name: release-helm-chart
+  commands:
+  - helm repo add volker.raschek https://charts.cryptic.systems/volker.raschek
+  - helm package --version ${DRONE_TAG} .
+  - helm cm-push ${DRONE_REPO_NAME%-charts}-${DRONE_TAG}.tgz volker.raschek
+  environment:
+    HELM_REPO_PASSWORD:
+      from_secret: helm_repo_password
+    HELM_REPO_USERNAME:
+      from_secret: helm_repo_username
+  image: git.cryptic.systems/volker.raschek/helm:3.12.1
+  resources:
+    limits:
+      cpu: 150
+      memory: 150M
+
+trigger:
+  event:
+  - tag
+  repo:
+  - volker.raschek/prometheus-fail2ban-exporter-charts
--- a/.editorconfig
+++ b/.editorconfig
@ -0,0 +1,12 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,3 @@
+*.tgz
+values2.yml
+values2.yaml
--- a/.helmignore
+++ b/.helmignore
@ -0,0 +1,32 @@
+# 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
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
+# drone
+.drone.yml
+# markdownlint
+.markdownlint.yaml
+# customized values
+values2.yml
+values2.yaml
+# helm packages
+*.tgz
--- a/.markdownlint.yaml
+++ b/.markdownlint.yaml
@ -0,0 +1,144 @@
+# markdownlint YAML configuration
+# https://github.com/DavidAnson/markdownlint/blob/main/schema/.markdownlint.yaml
+
+# Default state for all rules
+default: true
+
+# Path to configuration file to extend
+extends: null
+
+# MD003/heading-style/header-style - Heading style
+MD003:
+  # Heading style
+  style: "atx"
+
+# MD004/ul-style - Unordered list style
+MD004:
+  style: "dash"
+
+# MD007/ul-indent - Unordered list indentation
+MD007:
+  # Spaces for indent
+  indent: 2
+  # Whether to indent the first level of the list
+  start_indented: false
+
+# MD009/no-trailing-spaces - Trailing spaces
+MD009:
+  # Spaces for line break
+  br_spaces: 2
+  # Allow spaces for empty lines in list items
+  list_item_empty_lines: false
+  # Include unnecessary breaks
+  strict: false
+
+# MD010/no-hard-tabs - Hard tabs
+MD010:
+  # Include code blocks
+  code_blocks: true
+
+# MD012/no-multiple-blanks - Multiple consecutive blank lines
+MD012:
+  # Consecutive blank lines
+  maximum: 1
+
+# MD013/line-length - Line length
+MD013:
+  # Number of characters
+  line_length: 80
+  # Number of characters for headings
+  heading_line_length: 80
+  # Number of characters for code blocks
+  code_block_line_length: 80
+  # Include code blocks
+  code_blocks: false
+  # Include tables
+  tables: false
+  # Include headings
+  headings: true
+  # Include headings
+  headers: true
+  # Strict length checking
+  strict: false
+  # Stern length checking
+  stern: false
+
+# MD022/blanks-around-headings/blanks-around-headers - Headings should be surrounded by blank lines
+MD022:
+  # Blank lines above heading
+  lines_above: 1
+  # Blank lines below heading
+  lines_below: 1
+
+# MD024/no-duplicate-heading/no-duplicate-header - Multiple headings with the same content
+MD024:
+  # Only check sibling headings
+  allow_different_nesting: true
+
+# MD025/single-title/single-h1 - Multiple top-level headings in the same document
+MD025:
+  # Heading level
+  level: 1
+  # RegExp for matching title in front matter
+  front_matter_title: "^\\s*title\\s*[:=]"
+
+# MD026/no-trailing-punctuation - Trailing punctuation in heading
+MD026:
+  # Punctuation characters
+  punctuation: ".,;:!。，；：！"
+
+# MD029/ol-prefix - Ordered list item prefix
+MD029:
+  # List style
+  style: "one_or_ordered"
+
+# MD030/list-marker-space - Spaces after list markers
+MD030:
+  # Spaces for single-line unordered list items
+  ul_single: 1
+  # Spaces for single-line ordered list items
+  ol_single: 1
+  # Spaces for multi-line unordered list items
+  ul_multi: 1
+  # Spaces for multi-line ordered list items
+  ol_multi: 1
+
+# MD033/no-inline-html - Inline HTML
+MD033:
+  # Allowed elements
+  allowed_elements: []
+
+# MD035/hr-style - Horizontal rule style
+MD035:
+  # Horizontal rule style
+  style: "---"
+
+# MD036/no-emphasis-as-heading/no-emphasis-as-header - Emphasis used instead of a heading
+MD036:
+  # Punctuation characters
+  punctuation: ".,;:!?。，；：！？"
+
+# MD041/first-line-heading/first-line-h1 - First line in a file should be a top-level heading
+MD041:
+  # Heading level
+  level: 1
+  # RegExp for matching title in front matter
+  front_matter_title: "^\\s*title\\s*[:=]"
+
+# MD044/proper-names - Proper names should have the correct capitalization
+MD044:
+  # List of proper names
+  # names:
+  # - drone
+  # Include code blocks
+  code_blocks: false
+
+# MD046/code-block-style - Code block style
+MD046:
+  # Block style
+  style: "fenced"
+
+# MD048/code-fence-style - Code fence style
+MD048:
+  # Code fence syle
+  style: "backtick"
--- a/Chart.yaml
+++ b/Chart.yaml
@ -0,0 +1,18 @@
+apiVersion: v2
+name: prometheus-fail2ban-exporter
+description: Helm chart for prometheus-fail2ban-exporter
+type: application
+version: "0.1.0"
+appVersion: "latest"
+icon: https://www.fail2ban.org/fail2ban_logo.png
+
+keywords:
+- fail2ban
+- prometheus
+
+sources:
+- https://github.com/volker-raschek/prometheus-fail2ban-exporter-charts
+
+maintainers:
+- name: Markus Pesch
+  email: markus.pesch+apps@cryptic.systems
--- a/13
+++ b/13
@ -0,0 +1,13 @@
+Copyright 2023 Markus Pesch
+
+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.
--- a/README.md
+++ b/README.md
@ -0,0 +1 @@
+# prometheus-fail2ban-charts
--- a/renovate.json
+++ b/renovate.json
@ -0,0 +1,37 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "automergeStrategy": "merge-commit",
+  "automergeType": "pr",
+  "assignees": [ "volker.raschek" ],
+  "labels": [ "renovate" ],
+  "packageRules": [
+    {
+      "addLabels": [ "renovate/prometheus-fail2ban-exporter", "renovate/automerge" ],
+      "automerge": true,
+      "matchManagers": "droneci",
+      "matchUpdateTypes": [ "minor", "patch"]
+    },
+    {
+      "addLabels": [ "renovate/prometheus-fail2ban-exporter", "renovate/automerge" ],
+      "automerge": false,
+      "matchPackageNames": [ "prometheus-fail2ban-exporter" ],
+      "matchManagers": [ "regex" ]
+    }
+  ],
+  "rebaseLabel": "renovate/rebase",
+  "rebaseWhen": "behind-base-branch",
+  "regexManagers": [
+    {
+      "description": "Update container image reference",
+      "fileMatch": [
+        "^Chart\\.yaml$"
+      ],
+      "matchStrings": [
+        "appVersion: \"(?<currentValue>.*?)\"\\s+"
+      ],
+      "datasourceTemplate": "docker",
+      "depNameTemplate": "prometheus-fail2ban-exporter",
+      "lookupNameTemplate": "git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter"
+    }
+  ]
+}
--- a/templates/_helpers.tpl
+++ b/templates/_helpers.tpl
@ -0,0 +1,62 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "prometheus-fail2ban-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 "prometheus-fail2ban-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 "prometheus-fail2ban-exporter.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "prometheus-fail2ban-exporter.labels" -}}
+helm.sh/chart: {{ include "prometheus-fail2ban-exporter.chart" . }}
+{{ include "prometheus-fail2ban-exporter.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "prometheus-fail2ban-exporter.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "prometheus-fail2ban-exporter.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "prometheus-fail2ban-exporter.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "prometheus-fail2ban-exporter.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
--- a/templates/daemonset.yaml
+++ b/templates/daemonset.yaml
@ -0,0 +1,71 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: {{ include "prometheus-fail2ban-exporter.fullname" . }}
+  labels:
+    {{- include "prometheus-fail2ban-exporter.labels" . | nindent 4 }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "prometheus-fail2ban-exporter.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "prometheus-fail2ban-exporter.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: {{ .Chart.Name }}
+          envFrom:
+          - secretRef:
+              name: {{ include "prometheus-fail2ban-exporter.fullname" . }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: 9191
+              protocol: TCP
+          livenessProbe:
+            httpGet:
+              path: /metrics
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /metrics
+              port: http
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          {{- with .Values.volumeMounts }}
+          volumeMounts:
+          {{- toYaml . | nindent 10 }}
+          {{- end }}
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- if .Values.podPriorityClassName }}
+      priorityClassName: {{ .Values.podPriorityClassName }}
+      {{- end }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.volumes }}
+      volumes:
+        {{- toYaml . | nindent 6 }}
+      {{- end }}
--- a/templates/ingress.yaml
+++ b/templates/ingress.yaml
@ -0,0 +1,61 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "prometheus-fail2ban-exporter.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- if and .Values.ingress.className (not (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion)) }}
+  {{- if not (hasKey .Values.ingress.annotations "kubernetes.io/ingress.class") }}
+  {{- $_ := set .Values.ingress.annotations "kubernetes.io/ingress.class" .Values.ingress.className}}
+  {{- end }}
+{{- end }}
+{{- if semverCompare ">=1.19-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1
+{{- else if semverCompare ">=1.14-0" .Capabilities.KubeVersion.GitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
+apiVersion: extensions/v1beta1
+{{- end }}
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    {{- include "prometheus-fail2ban-exporter.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if and .Values.ingress.className (semverCompare ">=1.18-0" .Capabilities.KubeVersion.GitVersion) }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  {{- 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: {{ .path }}
+            {{- if and .pathType (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }}
+            pathType: {{ .pathType }}
+            {{- end }}
+            backend:
+              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
+              service:
+                name: {{ $fullName }}
+                port:
+                  number: {{ $svcPort }}
+              {{- else }}
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+              {{- end }}
+          {{- end }}
+    {{- end }}
+{{- end }}
--- a/templates/secrets.yaml
+++ b/templates/secrets.yaml
@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "prometheus-fail2ban-exporter.fullname" . }}
+type: Opaque
+stringData:
+
+  {{- if not (hasKey .Values "config") -}}
+  {{- $_ := set .Values "config" dict -}}
+  {{- end -}}
+
+  {{/* SETUP CONFIG */}}
+  {{ range $key, $value := .Values.config }}
+  {{ upper $key}}: {{ quote $value }}
+  {{ end }}
--- a/templates/service.yaml
+++ b/templates/service.yaml
@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "prometheus-fail2ban-exporter.fullname" . }}
+  labels:
+    {{- include "prometheus-fail2ban-exporter.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "prometheus-fail2ban-exporter.selectorLabels" . | nindent 4 }}
--- a/values.yaml
+++ b/values.yaml
@ -0,0 +1,108 @@
+# Default values for prometheus-fail2ban-exporter.
+# This is a YAML-formatted file.
+# Declare variables to be passed into your templates.
+
+nameOverride: ""
+fullnameOverride: ""
+
+affinity: {}
+
+config: {}
+  # F2B_COLLECTOR_SOCKET
+  # Path to the fail2ban socket inside the container filesystem.
+  # F2B_COLLECTOR_SOCKET: ""
+
+  # F2B_COLLECTOR_TEXT_PATH
+  # Directory to read text files with metrics from.
+  # F2B_COLLECTOR_TEXT_PATH: ""
+
+  # F2B_EXIT_ON_SOCKET_CONN_ERROR
+  # When set to true the exporter will immediately exit on a fail2ban socket connection error.
+  # F2B_EXIT_ON_SOCKET_CONN_ERROR: ""
+
+  # F2B_WEB_BASICAUTH_PASS
+  # Basic auth password to access the metrics endpoint.
+  # F2B_WEB_BASICAUTH_PASS: ""
+
+  # F2B_WEB_BASICAUTH_USER
+  # Basic auth user to access the metrics endpoint.
+  # F2B_WEB_BASICAUTH_USER:""
+
+  # F2B_WEB_LISTEN_ADDRESS
+  # Alternative listen address instead of 0.0.0.0/0 and ::/0.
+  # F2B_WEB_LISTEN_ADDRESS: ""
+
+
+image:
+  repository: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
+  pullPolicy: Always
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: ""
+
+imagePullSecrets: []
+
+ingress:
+  enabled: false
+  className: "nginx"
+  annotations:
+    # cert-manager.io/cluster-issuer:
+    # cert-manager.io/issuer:
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts:
+  - host: "your-hostname"
+    paths:
+    - path: /
+      pathType: ImplementationSpecific
+  tls:
+  - secretName: "your-tls-secret"
+    hosts:
+    - "your-hostname"
+
+nodeSelector: {}
+
+podAnnotations:
+  prometheus.io/scrape: "true"
+  prometheus.io/path: "/metrics"
+  prometheus.io/port: "9191"
+
+podPriorityClassName: ""
+
+podSecurityContext: {}
+  # fsGroup: 2000
+
+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
+
+securityContext: {}
+  # capabilities:
+  #   drop:
+  #   - ALL
+  # readOnlyRootFilesystem: true
+  # runAsNonRoot: true
+  # runAsUser: 1000
+
+service:
+  type: ClusterIP
+  port: 9191
+
+tolerations: []
+
+volumeMounts:
+- name: socket
+  mountPath: /var/run/fail2ban/fail2ban.sock
+
+volumes:
+- name: socket
+  hostPath:
+    path: /var/run/fail2ban/fail2ban.sock
+    type: Socket