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Author SHA1 Message Date
volker.raschek 0d7925f991 Merge pull request 'chore(deps): update docker.io/library/debian docker tag to v12' (#7) from renovate/docker.io-library-debian-12.x into master
continuous-integration/drone/push Build was killed
Reviewed-on: #7
2023-10-30 20:25:55 +00:00
CSRBot 9201ed2150 chore(deps): update docker.io/library/debian docker tag to v12
continuous-integration/drone/push Build is passing
continuous-integration/drone/pr Build is passing
2023-10-11 08:38:37 +02:00
CSRBot cbafc01739 chore(deps): update docker.io/library/golang docker tag to v1.21.3
continuous-integration/drone/pr Build is passing
continuous-integration/drone/push Build is passing
2023-10-11 07:55:53 +02:00
CSRBot 9d98a39082 chore(deps): update docker.io/library/golang docker tag to v1.21.2
continuous-integration/drone/pr Build is passing
continuous-integration/drone/push Build is passing
2023-10-07 05:53:07 +02:00
CSRBot 3428e9b0fa chore(deps): update git.cryptic.systems/volker.raschek/markdownlint docker tag to v0.37.0
continuous-integration/drone/push Build is passing
2023-10-03 12:38:56 +00:00
CSRBot 384b181c95 chore(deps): update docker.io/library/golang docker tag to v1.21.1
continuous-integration/drone/pr Build is passing
continuous-integration/drone/push Build is passing
2023-10-03 10:10:57 +02:00
volker.raschek c5a5fc336b fix(renovate): init config
continuous-integration/drone/push Build is passing
2023-10-02 13:13:09 +02:00
volker.raschek 3998f9e2c2 Initial Commit
continuous-integration/drone/push Build is passing
2023-10-02 12:50:34 +02:00
54 changed files with 1923 additions and 1257 deletions
+832
View File
@@ -0,0 +1,832 @@
---
kind: pipeline
type: kubernetes
name: linter
clone:
disable: true
platform:
os: linux
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: markdown lint
commands:
- markdownlint *.md
image: git.cryptic.systems/volker.raschek/markdownlint:0.37.0
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:0.1.5
resources:
limits:
cpu: 150
memory: 150M
when:
status:
- changed
- failure
trigger:
event:
exclude:
- tag
---
kind: pipeline
type: docker
name: unit-test-amd64
clone:
disable: true
platform:
arch: amd64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: unit-test
commands:
- go test -v ./...
image: docker.io/library/golang:1.21.3
trigger:
event:
exclude:
- tag
---
kind: pipeline
type: docker
name: unit-test-arm-v7
clone:
disable: true
platform:
arch: arm
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: unit-test
commands:
- go test -v ./...
image: docker.io/library/golang:1.21.3
trigger:
event:
include:
- pull_request
- push
exclude:
- tag
---
kind: pipeline
type: docker
name: unit-test-arm64
clone:
disable: true
platform:
arch: arm64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: unit-test
commands:
- go test -v ./...
image: docker.io/library/golang:1.21.3
trigger:
event:
include:
- pull_request
- push
exclude:
- tag
---
kind: pipeline
type: docker
name: dry-run-amd64
clone:
disable: true
depends_on:
- linter
- unit-test-amd64
platform:
os: linux
arch: amd64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build
image: docker.io/plugins/docker:20.10.9
settings:
auto_tag: false
dockerfile: Dockerfile
dry_run: true
force_tag: true
no_cache: true
purge: true
mirror:
from_secret: docker_io_mirror
registry: git.cryptic.systems
repo: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
tags: latest-amd64
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
- 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:0.1.5
when:
status:
- changed
- failure
trigger:
branch:
exclude:
- master
event:
- pull_request
- push
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: docker
name: dry-run-arm-v7
clone:
disable: true
depends_on:
- linter
- unit-test-arm-v7
platform:
os: linux
arch: arm
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build
image: docker.io/plugins/docker:20.10.9
settings:
auto_tag: false
dockerfile: Dockerfile
dry_run: true
force_tag: true
no_cache: true
purge: true
mirror:
from_secret: docker_io_mirror
registry: git.cryptic.systems
repo: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
tags: latest-arm-v7
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
- 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:0.1.5
when:
status:
- changed
- failure
trigger:
branch:
exclude:
- master
event:
- pull_request
- push
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: docker
name: dry-run-arm64-v8
clone:
disable: true
depends_on:
- linter
- unit-test-arm64
platform:
os: linux
arch: arm64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build
image: docker.io/plugins/docker:20.10.9
settings:
auto_tag: false
dockerfile: Dockerfile
dry_run: true
force_tag: true
no_cache: true
purge: true
mirror:
from_secret: docker_io_mirror
registry: git.cryptic.systems
repo: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
tags: latest-arm64-v8
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
- 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:0.1.5
when:
status:
- changed
- failure
trigger:
branch:
exclude:
- master
event:
- pull_request
- push
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: docker
name: latest-amd64
clone:
disable: true
depends_on:
- linter
- unit-test-amd64
platform:
os: linux
arch: amd64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build
image: docker.io/plugins/docker:20.10.9
settings:
auto_tag: false
dockerfile: Dockerfile
force_tag: true
no_cache: true
purge: true
mirror:
from_secret: docker_io_mirror
registry: git.cryptic.systems
repo: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
tags: latest-amd64
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
- 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:0.1.5
when:
status:
- changed
- failure
trigger:
branch:
- master
event:
- cron
- push
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: docker
name: latest-arm-v7
clone:
disable: true
depends_on:
- linter
- unit-test-arm-v7
platform:
os: linux
arch: arm
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build
image: docker.io/plugins/docker:20.10.9
settings:
auto_tag: false
dockerfile: Dockerfile
force_tag: true
no_cache: true
purge: true
mirror:
from_secret: docker_io_mirror
registry: git.cryptic.systems
repo: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
tags: latest-arm-v7
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
- 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:0.1.5
when:
status:
- changed
- failure
trigger:
branch:
- master
event:
- cron
- push
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: docker
name: latest-arm64-v8
clone:
disable: true
depends_on:
- linter
- unit-test-arm64
platform:
os: linux
arch: arm64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build
image: docker.io/plugins/docker:20.10.9
settings:
auto_tag: false
dockerfile: Dockerfile
force_tag: true
no_cache: true
purge: true
mirror:
from_secret: docker_io_mirror
registry: git.cryptic.systems
repo: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
tags: latest-arm64-v8
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
- 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:0.1.5
when:
status:
- changed
- failure
trigger:
branch:
- master
event:
- cron
- push
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: kubernetes
name: latest-manifest
clone:
disable: true
depends_on:
- latest-amd64
- latest-arm-v7
- latest-arm64-v8
# docker.io/plugins/manifest only for amd64 architectures available
node_selector:
kubernetes.io/os: linux
kubernetes.io/arch: amd64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build-manifest
image: docker.io/plugins/manifest:1.4.0
settings:
auto_tag: false
ignore_missing: true
spec: manifest.tmpl
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
- 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:0.1.5
resources:
limits:
cpu: 150
memory: 150M
when:
status:
- changed
- failure
trigger:
branch:
- master
event:
- cron
- push
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: docker
name: tagged-amd64
clone:
disable: true
platform:
os: linux
arch: amd64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build
image: docker.io/plugins/docker:20.10.9
settings:
auto_tag: true
auto_tag_suffix: amd64
dockerfile: Dockerfile
force_tag: true
no_cache: true
purge: true
mirror:
from_secret: docker_io_mirror
registry: git.cryptic.systems
repo: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
build_args:
- VERSION=${DRONE_TAG}
- name: email-notification
environment:
SMTP_FROM_ADDRESS:
from_secret: smtp_from_address
SMTP_FROM_NAME:
from_secret: smtp_from_name
SMTP_HOST:
from_secret: smtp_host
SMTP_USERNAME:
from_secret: smtp_username
SMTP_PASSWORD:
from_secret: smtp_password
image: git.cryptic.systems/volker.raschek/drone-email:0.1.5
when:
status:
- changed
- failure
trigger:
event:
- tag
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: docker
name: tagged-arm-v7
clone:
disable: true
platform:
os: linux
arch: arm
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build
image: docker.io/plugins/docker:20.10.9
settings:
auto_tag: true
auto_tag_suffix: arm-v7
dockerfile: Dockerfile
force_tag: true
no_cache: true
purge: true
mirror:
from_secret: docker_io_mirror
registry: git.cryptic.systems
repo: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
build_args:
- VERSION=${DRONE_TAG}
- 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:0.1.5
when:
status:
- changed
- failure
trigger:
event:
- tag
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: docker
name: tagged-arm64-v8
clone:
disable: true
platform:
os: linux
arch: arm64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build
image: docker.io/plugins/docker:20.10.9
settings:
auto_tag: true
auto_tag_suffix: arm64-v8
dockerfile: Dockerfile
force_tag: true
no_cache: true
purge: true
mirror:
from_secret: docker_io_mirror
registry: git.cryptic.systems
repo: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
build_args:
- VERSION=${DRONE_TAG}
- 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:0.1.5
when:
status:
- changed
- failure
trigger:
event:
- tag
repo:
- volker.raschek/prometheus-fail2ban-exporter
---
kind: pipeline
type: kubernetes
name: tagged-manifest
clone:
disable: true
depends_on:
- tagged-amd64
- tagged-arm-v7
- tagged-arm64-v8
# docker.io/plugins/manifest only for amd64 architectures available
node_selector:
kubernetes.io/os: linux
kubernetes.io/arch: amd64
steps:
- name: clone
image: git.cryptic.systems/volker.raschek/git:1.3.1
- name: build-manifest
image: docker.io/plugins/manifest:1.4.0
settings:
auto_tag: true
ignore_missing: true
spec: manifest.tmpl
username:
from_secret: git_cryptic_systems_container_registry_user
password:
from_secret: git_cryptic_systems_container_registry_password
- 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:0.1.5
resources:
limits:
cpu: 150
memory: 150M
when:
status:
- changed
- failure
trigger:
event:
- tag
repo:
- volker.raschek/prometheus-fail2ban-exporter
+15
View File
@@ -0,0 +1,15 @@
# 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
[Makefile]
indent_style = tab
+2
View File
@@ -4,3 +4,5 @@ vendor/
build/
dist/
prometheus-fail2ban-exporter
-69
View File
@@ -1,69 +0,0 @@
stages:
- test
- build
.go_template:
image: golang:latest
before_script:
- make go/dependencies
.docker_template:
image: docker:stable
services:
- docker:dind
before_script:
- apk add git
- apk add make
- docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
dependencies:
extends: .go_template
stage: test
script:
- make go/checkDependencies
format:
extends: .go_template
stage: test
script:
- make go/checkFmt
test:
extends: .go_template
stage: test
script:
- make go/test
build:
extends: .go_template
stage: build
only:
- main
- tags
script:
- git fetch --tags
- make build/snapshot
artifacts:
paths:
- dist/*.tar.gz
- dist/checksums.txt
expire_in: 1 day
docker/gitlab:
extends: .docker_template
stage: build
only:
- tags
script:
- make docker/build/latest
- make docker/build/tag
- docker push registry.gitlab.com/hectorjsmith/fail2ban-prometheus-exporter
docker/gitlab/nightly:
extends: .docker_template
stage: build
only:
- main
script:
- make docker/build/nightly
- docker push registry.gitlab.com/hectorjsmith/fail2ban-prometheus-exporter
-33
View File
@@ -1,33 +0,0 @@
# This is an example goreleaser.yaml file with some sane defaults.
# Make sure to check the documentation at http://goreleaser.com
project_name: fail2ban_exporter
before:
hooks:
- make go/dependencies
builds:
-
binary: fail2ban_exporter
dir: src
goos:
- linux
- darwin
goarch:
- amd64
- "386"
- arm
- arm64
goarm:
- "6"
- "7"
archives:
-
wrap_in_directory: true
files:
- LICENSE
- README.md
- CHANGELOG.md
checksum:
name_template: 'checksums.txt'
changelog:
skip: true
+143
View File
@@ -0,0 +1,143 @@
# 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: []
# 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"
-114
View File
@@ -1,114 +0,0 @@
# CHANGELOG
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog], and this project adheres to [Semantic Versioning].
## [Unreleased]
*Nothing yet*
## [0.6.0] - 2022-02-20
*Rewrite CLI flags and environment variables*
### Added
- (23e073f) feat: add example systemd service file
- (3911eca) feat: rename output binary and archives
- (f6e328a) feat: correctly handle shutdown signals
- (6e575aa) feat: rewrite cli flags and environment variables
- (0f0efe5) feat: remove startup script from docker image
- (e2902b8) feat: improve logging on startup
- (1f27dac) feat: add default value for fail2ban socket path
- (b7e317e) feat: configure tool using environment variables ([#17](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/17))
- (6f76a03) feat: add support for basic auth ([#16](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/16))
### Fixed
- (93da909) fix: use correct flag in dockerfile ([#18](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/18))
### BREAKING CHANGE
- Release binary name has been changed to `fail2ban_exporter`.
- Replace `--socket` flag with `--collector.f2b.socket`.
- Merge `--port` flag and `--web.listen-address` into a single flag.
- Remove `--collector.textfile` flag, its value is now derived from `--collector.textfile.directory`.
- Remove `F2B_COLLECTOR_TEXT` and `F2B_WEB_PORT` environment variables.
- Using the textfile collector in docker now requires setting environment variables.
- CLI params now require two dashes instead of one (e.g. `--socket`).
## [0.5.0] - 2021-12-21
*Remove deprecated code & support python2*
### Added
- (b397a51) feat: sample grafana dashboard ([#15](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/15))
- (c208c8e) feat: add listen address parameter - thanks [@private-creator](https://gitlab.com/private-creator)!
### Fixed
- (7932ccb) fix: support python2 fail2ban ([#14](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/14)) - thanks [@private-creator](https://gitlab.com/private-creator)!
### BREAKING CHANGE
- Remove `-db` CLI flag
- Remove `f2b_errors{type="db"}` metric
## [0.4.0] - 2021-10-18
*Add new fail2ban config metrics*
### Added
- (56730c8) feat: add new jail config metrics
- (5a107cc) feat: support for textfile metrics ([#13](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/13))
### Removed
- (b268f86) remove: database-based metrics
- (0b6a941) remove: windows builds
## [0.3.0] - 2021-09-27
*Export new version metrics ([#12](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/12))*
### Added
- (3c9a005) feat: render basic html page at root url
- (22a165d) feat: improve startup logging
- (fba9ee2) feat: export new version metric ([#12](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/12))
## [0.2.0] - 2021-08-31
*Collect metrics through fail2ban socket - based on [#11](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/11)*
### Added
- (39133d0) feat: collect new up metric from fail2ban socket
- (4da46f3) feat: export metrics with socket errors
- (bd841c3) feat: set up metric to 0 if errors found
- (1964dde) feat: export metrics for failed/banned counts
- (2ab1f7d) feat: support reading fail2ban socket in docker
- (1282d63) feat: new metric for enabled jails ([#1](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/1))
### Fixed
- (526b1c7) fix: update banned metrics to exclude expired bans ([#11](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/11))
### Deprecated
- Use of the fail2ban database has been deprecated. The exporter now collects metrics through the fail2ban socket file. See [#11](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/-/issues/11) for more details.
## [0.1.0] - 2021-03-28
*Initial release*
### Added
- (6355c9e) feat: fail on startup if database file does not exist ([#8](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/8))
- (4f18bf3) feat: add cli parameters for db path and metrics port ([#4](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/issues/4))
- (91cba80) feat: export number of banned ips
- (4b96501) feat: export bad ip count per jail
- (0b40e5d) feat: connect to fail2ban db and extract total bad ips
- (7ced846) feat: initial setup of metric exporter
### Fixed
- (0842419) fix: compile tool without cgo_enabled flag
## 0.0.0 - 2021-02-05
*Repository creation*
---
[Keep a Changelog]: https://keepachangelog.com/en/1.0.0/
[Semantic Versioning]: https://semver.org/spec/v2.0.0.html
[Unreleased]: https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/compare/0.1.0...main
[0.1.0]: https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/compare/0.0.0...0.1.0
[0.2.0]: https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/compare/0.1.0...0.2.0
[0.3.0]: https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/compare/0.2.0...0.3.0
[0.4.0]: https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/compare/0.3.0...0.4.0
[0.5.0]: https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/compare/0.4.0...0.5.0
[0.6.0]: https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/compare/0.5.0...0.6.0
+13 -17
View File
@@ -1,23 +1,19 @@
# Using golang:latest instead of alpine because of issues with sqlite3
FROM golang:latest AS build
FROM docker.io/library/golang:1.20.5-buster AS build
# Create build folder to compile tool
WORKDIR /build
WORKDIR /workspace
ADD . /workspace
# Copy source files to build folder and link to the /go folder
COPY . /build
RUN ln -s /go/src/ /build/src
RUN apt update --yes && \
apt install --yes build-essential && \
make install \
PREFIX=/usr \
DESTDIR=/app \
EXECUTABLE=prometheus-fail2ban-exporter
# Compile the tool using a Make command
RUN make build/docker
FROM docker.io/library/debian:12-slim
COPY --from=build /app /
FROM debian:buster-slim
EXPOSE 9191
# Create main app folder to run from
WORKDIR /app
# Copy compiled binary to release image
COPY --from=build /build/src/fail2ban_exporter /app/fail2ban_exporter
ENTRYPOINT ["/app/fail2ban_exporter"]
ENTRYPOINT [ "/usr/bin/prometheus-fail2ban-exporter" ]
+1
View File
@@ -1,6 +1,7 @@
MIT License
Copyright (c) 2021 Hector
Copyright (c) 2023 Markus Pesch
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
+73 -27
View File
@@ -1,39 +1,85 @@
go/dependencies:
cd src/ && go mod download
DESTDIR?=
PREFIX?=/usr/local
EXECUTABLE?=prometheus-fail2ban-exporter
# Make sure no unnecessary dependencies are present
go/checkDependencies:
cd src/ && go mod tidy -v
git diff-index --quiet HEAD
CONTAINER_RUNTIME?=$(shell which podman)
# Standard go test
go/test:
cd src/ && go test ./... -v -race
# List make commands
.PHONY: ls
ls:
cat Makefile | grep "^[a-zA-Z#].*" | cut -d ":" -f 1 | sed s';#;\n#;'g
go/fmt:
cd src/ && go fmt ./...
# Download dependencies
.PHONY: download
download:
go mod download
go/checkFmt:
# Update project dependencies
.PHONY: update
update:
go get -u
go mod download
go mod tidy
# Run project tests
.PHONY: test
test: download
go test ./... -v -race
# Look for "suspicious constructs" in source code
.PHONY: vet
vet: download
go vet ./...
# Format code
.PHONY: fmt
fmt: download
go mod tidy
go fmt ./...
# Check for unformatted go code
.PHONY: check/fmt
check/fmt: download
test -z $(shell gofmt -l .)
docs/genChangelog:
./tools/git-chglog_linux_amd64 --config tools/chglog/config.yml 0.0.0.. > CHANGELOG_gen.md
# Build project
.PHONY: build
build:
CGO_ENABLED=0 go build \
-ldflags "\
-X main.version=${shell git describe --tags} \
-X main.commit=${shell git rev-parse HEAD} \
-X main.date=${shell date --iso-8601=seconds} \
-X main.builtBy=manual \
" \
-trimpath \
-o ${EXECUTABLE} \
exporter.go
build/snapshot:
./tools/goreleaser_linux_amd64 --snapshot --rm-dist --skip-publish
# build container-image
.PHONY: build/container-image
build/container-image:
${CONTAINER_RUNTIME} build \
--tag ${EXECUTABLE} \
.
build/release:
./tools/goreleaser_linux_amd64 --rm-dist --skip-publish
.PHONY: install
install: build
mkdir --parents ${DESTDIR}/usr/lib/systemd/system
sed -e "s/EXECUTABLE/${EXECUTABLE}/gm" systemd/systemd.service > ${DESTDIR}/usr/lib/systemd/system/${EXECUTABLE}.service
chmod 0644 ${DESTDIR}/usr/lib/systemd/system/${EXECUTABLE}.service
build/docker:
cd src/ && go build -o fail2ban_exporter \
-ldflags '-X main.version=$(shell git describe --tags) -X main.commit=${shell git rev-parse HEAD} -X "main.date=${shell date --rfc-3339=seconds}" -X main.builtBy=docker' exporter.go
install -D --mode 0755 --target-directory ${DESTDIR}${PREFIX}/bin ${EXECUTABLE}
docker/build/latest:
docker build -t registry.gitlab.com/hectorjsmith/fail2ban-prometheus-exporter:latest .
# NOTE: Set restrict file permissions by default to protect optional basic auth credentials
install -D --mode 0600 env ${DESTDIR}/etc/conf.d/${EXECUTABLE}
docker/build/nightly:
docker build -t registry.gitlab.com/hectorjsmith/fail2ban-prometheus-exporter:nightly .
install -D --mode 0755 --target-directory ${DESTDIR}${PREFIX}/share/licenses/${EXECUTABLE} LICENSE
docker/build/tag:
docker build -t registry.gitlab.com/hectorjsmith/fail2ban-prometheus-exporter:$(shell git describe --tags) .
.PHONY: uninstall
uninstall:
-rm --recursive --force \
${DESTDIR}${PREFIX}/bin/${EXECUTABLE} \
${DESTDIR}/usr/lib/systemd/system/${EXECUTABLE}.service \
${DESTDIR}/etc/conf.d/${EXECUTABLE} \
${DESTDIR}${PREFIX}/share/licenses/${EXECUTABLE}/LICENSE
+105 -61
View File
@@ -1,10 +1,14 @@
# Fail2Ban Prometheus Exporter
# prometheus-fail2ban-exporter
[![Pipeline](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/badges/main/pipeline.svg)](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter)
[![Build Status](https://drone.cryptic.systems/api/badges/volker.raschek/prometheus-fail2ban-exporter/status.svg)](https://drone.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter)
Collect metrics from a running fail2ban instance.
This is a fork of Hector's fail2ban
[exporter](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter). This
fork contains some changes to get the application running in a kubernetes
cluster.
## Table of Contents
1. Quick Start
2. Metrics
3. Configuration
@@ -17,34 +21,42 @@ The exporter can be run as a standalone binary or a docker container.
### 1.1. Standalone
The following command will start collecting metrics from the `/var/run/fail2ban/fail2ban.sock` file and expose them on port `9191`.
The following command will start collecting metrics from the
`/var/run/fail2ban/fail2ban.sock` file and expose them on port `9191`.
```
```bash
$ fail2ban_exporter --collector.f2b.socket=/var/run/fail2ban/fail2ban.sock --web.listen-address=":9191"
2022/02/20 09:54:06 fail2ban exporter version 0.5.0
2022/02/20 09:54:06 fail2ban exporter version 0.8.1
2022/02/20 09:54:06 starting server at :9191
2022/02/20 09:54:06 reading metrics from fail2ban socket: /var/run/fail2ban/fail2ban.sock
2022/02/20 09:54:06 metrics available at '/metrics'
2022/02/20 09:54:06 ready
```
Binary files for each release can be found on the [releases](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/-/releases) page.
Binary files for each release can be found on the
[releases](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/-/releases)
page.
There is also an [example systemd service
file](/_examples/systemd/fail2ban_exporter.service) included in the repository.
This is a starting point to run the exporter as a service.
### 1.2. Docker
**Docker run**
```
docker run -d \
#### Docker run
```bash
$ docker run -d \
--name "fail2ban-exporter" \
-v /var/run/fail2ban:/var/run/fail2ban:ro \
-p "9191:9191" \
registry.gitlab.com/hectorjsmith/fail2ban-prometheus-exporter:latest
```
**Docker compose**
#### Docker compose
```
```yaml
version: "2"
services:
exporter:
@@ -55,12 +67,16 @@ services:
- "9191:9191"
```
Use the `:latest` tag to get the latest stable release. Or use the `:nightly` tag for the latest (unstable) version.
See the [registry page](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/container_registry) for all available tags.
Use the `:latest` tag to get the latest stable release. See the [registry
page](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/container_registry)
for all available tags.
**NOTE:** While it is possible to mount the `fail2ban.sock` file directly, it is recommended to mount the parent folder instead.
The `.sock` file is deleted by fail2ban on shutdown and re-created on startup and this causes problems for the docker mount.
See [this reply](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/-/issues/11#note_665003499) for more details.
**NOTE:** While it is possible to mount the `fail2ban.sock` file directly, it is
recommended to mount the parent folder instead. The `.sock` file is deleted by
fail2ban on shutdown and re-created on startup and this causes problems for the
docker mount. See [this
reply](https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter/-/issues/11#note_665003499)
for more details.
## 2. Metrics
@@ -84,8 +100,10 @@ The exporter exposes the following metrics:
| `jail_config_max_retry` | The max number of failures allowed before banning an IP in this jail | `f2b_config_jail_max_retries{jail="sshd"} 5` |
| `version` | Version string of the exporter and fail2ban | `f2b_version{exporter="0.5.0",fail2ban="0.11.1"} 1` |
The metrics above correspond to the matching fields in the `fail2ban-client status <jail>` command:
```
The metrics above correspond to the matching fields in the `fail2ban-client
status <jail>` command:
```text
Status for the jail: sshd
|- Filter
| |- Currently failed: 6
@@ -99,70 +117,93 @@ Status for the jail: sshd
### 2.1. Grafana
The metrics exported by this tool are compatible with Prometheus and Grafana.
A sample grafana dashboard can be found in the [grafana.json](/examples/grafana/dashboard.json) file.
Just import the contents of this file into a new Grafana dashboard to get started.
The metrics exported by this tool are compatible with Prometheus and Grafana. A
sample grafana dashboard can be found in the
[grafana.json](/_examples/grafana/dashboard.json) file. Just import the contents
of this file into a new Grafana dashboard to get started.
*(Sample dashboard is compatible with Grafana `8.3.3` and above)*
The dashboard supports displaying data from multiple exporters. Use the
`instance` dashboard variable to select which ones to display.
*(Sample dashboard is compatible with Grafana `9.1.8` and above)*
## 3. Configuration
The exporter is configured with CLI flags and environment variables.
There are no configuration files.
**CLI flags**
```
usage: fail2ban_exporter [<flags>]
### CLI flags
```text
🚀 Collect prometheus metrics from a running Fail2Ban instance
Flags:
-h, --help Show context-sensitive help (also try --help-long and --help-man).
-v, --version show version info and exit
--collector.f2b.socket="/var/run/fail2ban/fail2ban.sock"
path to the fail2ban server socket
--collector.textfile.directory=""
directory to read text files with metrics from
--web.listen-address=":9191"
address to use for the metrics server
--web.basic-auth.username=""
username to use to protect endpoints with basic auth
--web.basic-auth.password=""
password to use to protect endpoints with basic auth
-h, --help Show context-sensitive help.
-v, --version Show version info and exit
--dry-run Attempt to connect to the fail2ban socket then exit
before starting the server
--web.listen-address=":9191" Address to use for the metrics server
($F2B_WEB_LISTEN_ADDRESS)
--collector.f2b.socket="/var/run/fail2ban/fail2ban.sock"
Path to the fail2ban server socket
($F2B_COLLECTOR_SOCKET)
--collector.f2b.exit-on-socket-connection-error
When set to true the exporter will immediately
exit on a fail2ban socket connection error
($F2B_EXIT_ON_SOCKET_CONN_ERROR)
--collector.textfile.directory=STRING
Directory to read text files with metrics from
($F2B_COLLECTOR_TEXT_PATH)
--web.basic-auth.username=STRING
Username to use to protect endpoints with basic auth
($F2B_WEB_BASICAUTH_USER)
--web.basic-auth.password=STRING
Password to use to protect endpoints with basic auth
($F2B_WEB_BASICAUTH_PASS)
```
**Environment variables**
### Environment variables
Each environment variable corresponds to a CLI flag.
If both are specified, the CLI flag takes precedence.
| Environment variable | Corresponding CLI flag |
|---------------------------|----------------------------------|
| `F2B_COLLECTOR_SOCKET` | `--collector.f2b.socket` |
| `F2B_COLLECTOR_TEXT_PATH` | `--collector.textfile.directory` |
| `F2B_WEB_LISTEN_ADDRESS` | `--web.listen-address` |
| `F2B_WEB_BASICAUTH_USER` | `--web.basic-auth.username` |
| `F2B_WEB_BASICAUTH_PASS` | `--web.basic-auth.password` |
| Environment variable | Corresponding CLI flag |
|---------------------------------|---------------------------------------------------|
| `F2B_COLLECTOR_SOCKET` | `--collector.f2b.socket` |
| `F2B_COLLECTOR_TEXT_PATH` | `--collector.textfile.directory` |
| `F2B_WEB_LISTEN_ADDRESS` | `--web.listen-address` |
| `F2B_WEB_BASICAUTH_USER` | `--web.basic-auth.username` |
| `F2B_WEB_BASICAUTH_PASS` | `--web.basic-auth.password` |
| `F2B_EXIT_ON_SOCKET_CONN_ERROR` | `--collector.f2b.exit-on-socket-connection-error` |
## 4. Building from source
The simplest way to build the project is to run the `build/snapshot` make command.
This will use `goreleaser` to build out binaries and archives for the project.
Binaries are stored in the `dist/` folder.
Building from source has the following dependencies:
Alternatively, `go mod download` and `go build` can be used from the `src/` folder to build out the project.
This will download dependencies and build the project.
- Go v1.20
- Make
From there, simply run `make build`
This will download the necessary dependencies and build a `fail2ban_exporter`
binary in the root of the project.
## 5. Textfile metrics
For more flexibility the exporter also allows exporting metrics collected from a text file.
For more flexibility the exporter also allows exporting metrics collected from a
text file.
To enable textfile metrics provide the directory to read files from with the `--collector.textfile.directory` flag.
To enable textfile metrics provide the directory to read files from with the
`--collector.textfile.directory` flag.
Metrics collected from these files will be exposed directly alongside the other metrics without any additional processing.
This means that it is the responsibility of the file creator to ensure the format is correct.
Metrics collected from these files will be exposed directly alongside the other
metrics without any additional processing. This means that it is the
responsibility of the file creator to ensure the format is correct.
By exporting textfile metrics an extra metric is also exported with an error count for each file:
By exporting textfile metrics an extra metric is also exported with an error
count for each file:
```
```text
# HELP textfile_error Checks for errors while reading text files
# TYPE textfile_error gauge
textfile_error{path="file.prom"} 0
@@ -170,15 +211,18 @@ textfile_error{path="file.prom"} 0
**NOTE:** Any file not ending with `.prom` will be ignored.
**Running in Docker**
### Running in Docker
To collect textfile metrics inside a docker container, a couple of things need
to be done:
To collect textfile metrics inside a docker container, a couple of things need to be done:
1. Mount the folder with the metrics files
2. Set the `F2B_COLLECTOR_TEXT_PATH` environment variable
*For example:*
```
docker run -d \
```bash
$ docker run -d \
--name "fail2ban-exporter" \
-v /var/run/fail2ban:/var/run/fail2ban:ro \
-v /path/to/metrics:/app/metrics/:ro \
@@ -9,13 +9,13 @@
"pluginName": "Prometheus"
}
],
"__elements": [],
"__elements": {},
"__requires": [
{
"type": "grafana",
"id": "grafana",
"name": "Grafana",
"version": "8.3.3"
"version": "9.1.8"
},
{
"type": "datasource",
@@ -40,7 +40,10 @@
"list": [
{
"builtIn": 1,
"datasource": "-- Grafana --",
"datasource": {
"type": "datasource",
"uid": "grafana"
},
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
@@ -59,7 +62,6 @@
"fiscalYearStartMonth": 0,
"graphTooltip": 2,
"id": null,
"iteration": 1640159475017,
"links": [],
"liveNow": false,
"panels": [
@@ -76,7 +78,8 @@
},
"custom": {
"align": "auto",
"displayMode": "auto"
"displayMode": "auto",
"inspect": false
},
"mappings": [],
"thresholds": {
@@ -121,15 +124,16 @@
},
"showHeader": true
},
"pluginVersion": "8.3.3",
"pluginVersion": "9.1.8",
"targets": [
{
"datasource": {
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"exemplar": false,
"expr": "f2b_config_jail_max_retries",
"expr": "f2b_config_jail_max_retries{instance=~\"$instance\"}",
"format": "table",
"instant": true,
"interval": "",
@@ -141,8 +145,9 @@
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"exemplar": false,
"expr": "f2b_config_jail_ban_time",
"expr": "f2b_config_jail_ban_time{instance=~\"$instance\"}",
"format": "table",
"hide": false,
"instant": true,
@@ -155,8 +160,9 @@
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"exemplar": false,
"expr": "f2b_config_jail_find_time",
"expr": "f2b_config_jail_find_time{instance=~\"$instance\"}",
"format": "table",
"hide": false,
"instant": true,
@@ -193,6 +199,10 @@
],
"operation": "aggregate"
},
"instance": {
"aggregations": [],
"operation": "groupby"
},
"jail": {
"aggregations": [],
"operation": "groupby"
@@ -229,6 +239,8 @@
"mode": "palette-classic"
},
"custom": {
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
@@ -284,10 +296,12 @@
"lastNotNull"
],
"displayMode": "table",
"placement": "right"
"placement": "right",
"showLegend": true
},
"tooltip": {
"mode": "single"
"mode": "single",
"sort": "none"
}
},
"pluginVersion": "8.2.1",
@@ -297,11 +311,13 @@
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"exemplar": true,
"expr": "f2b_jail_failed_total",
"expr": "f2b_jail_failed_total{instance=~\"$instance\"}",
"hide": false,
"interval": "",
"legendFormat": "{{jail}}",
"legendFormat": "{{jail}} ({{instance}})",
"range": true,
"refId": "A"
}
],
@@ -321,6 +337,8 @@
"mode": "palette-classic"
},
"custom": {
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
@@ -376,10 +394,12 @@
"lastNotNull"
],
"displayMode": "table",
"placement": "right"
"placement": "right",
"showLegend": true
},
"tooltip": {
"mode": "single"
"mode": "single",
"sort": "none"
}
},
"pluginVersion": "8.2.1",
@@ -389,10 +409,12 @@
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"exemplar": true,
"expr": "f2b_jail_banned_total",
"expr": "f2b_jail_banned_total{instance=~\"$instance\"}",
"interval": "",
"legendFormat": "{{jail}}",
"legendFormat": "{{jail}} ({{instance}})",
"range": true,
"refId": "A"
}
],
@@ -412,6 +434,8 @@
"mode": "palette-classic"
},
"custom": {
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
@@ -467,10 +491,12 @@
"lastNotNull"
],
"displayMode": "table",
"placement": "right"
"placement": "right",
"showLegend": true
},
"tooltip": {
"mode": "single"
"mode": "single",
"sort": "none"
}
},
"pluginVersion": "8.2.1",
@@ -480,10 +506,12 @@
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"exemplar": true,
"expr": "f2b_jail_failed_current",
"expr": "f2b_jail_failed_current{instance=~\"$instance\"}",
"interval": "",
"legendFormat": "{{jail}}",
"legendFormat": "{{jail}} ({{instance}})",
"range": true,
"refId": "A"
}
],
@@ -503,6 +531,8 @@
"mode": "palette-classic"
},
"custom": {
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
@@ -558,10 +588,12 @@
"lastNotNull"
],
"displayMode": "table",
"placement": "right"
"placement": "right",
"showLegend": true
},
"tooltip": {
"mode": "single"
"mode": "single",
"sort": "none"
}
},
"pluginVersion": "8.2.1",
@@ -571,10 +603,12 @@
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"exemplar": true,
"expr": "f2b_jail_banned_current",
"expr": "f2b_jail_banned_current{instance=~\"$instance\"}",
"interval": "",
"legendFormat": "{{jail}}",
"legendFormat": "{{jail}} ({{instance}})",
"range": true,
"refId": "A"
}
],
@@ -594,6 +628,8 @@
"mode": "palette-classic"
},
"custom": {
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
@@ -650,10 +686,12 @@
"lastNotNull"
],
"displayMode": "table",
"placement": "right"
"placement": "right",
"showLegend": true
},
"tooltip": {
"mode": "single"
"mode": "single",
"sort": "none"
}
},
"pluginVersion": "8.2.1",
@@ -663,10 +701,12 @@
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"exemplar": true,
"expr": "f2b_up",
"expr": "f2b_up{instance=~\"$instance\"}",
"interval": "",
"legendFormat": "Up",
"legendFormat": "Up ({{instance}})",
"range": true,
"refId": "A"
}
],
@@ -686,6 +726,8 @@
"mode": "palette-classic"
},
"custom": {
"axisCenteredZero": false,
"axisColorMode": "text",
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
@@ -742,10 +784,12 @@
"lastNotNull"
],
"displayMode": "table",
"placement": "right"
"placement": "right",
"showLegend": true
},
"tooltip": {
"mode": "single"
"mode": "single",
"sort": "none"
}
},
"pluginVersion": "8.2.1",
@@ -755,10 +799,12 @@
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"editorMode": "code",
"exemplar": true,
"expr": "f2b_errors",
"expr": "f2b_errors{instance=~\"$instance\"}",
"interval": "",
"legendFormat": "{{type}}",
"legendFormat": "{{type}} ({{instance}})",
"range": true,
"refId": "A"
}
],
@@ -768,14 +814,14 @@
}
],
"refresh": "30s",
"schemaVersion": 34,
"schemaVersion": 37,
"style": "dark",
"tags": [],
"templating": {
"list": [
{
"current": {
"selected": true,
"selected": false,
"text": "Prometheus",
"value": "Prometheus"
},
@@ -791,6 +837,30 @@
"regex": "",
"skipUrlSync": false,
"type": "datasource"
},
{
"current": {},
"datasource": {
"type": "prometheus",
"uid": "${DS_PROMETHEUS}"
},
"definition": "f2b_up",
"description": "Select which instance(s) to show",
"hide": 0,
"includeAll": false,
"label": "Instance",
"multi": true,
"name": "instance",
"options": [],
"query": {
"query": "f2b_up",
"refId": "StandardVariableQuery"
},
"refresh": 1,
"regex": "/.*instance=\"([^\"]+)\"/",
"skipUrlSync": false,
"sort": 0,
"type": "query"
}
]
},
@@ -802,6 +872,6 @@
"timezone": "",
"title": "F2B",
"uid": "cTkH9AT7z",
"version": 17,
"version": 3,
"weekStart": ""
}
}
+29
View File
@@ -0,0 +1,29 @@
package auth
import (
"fmt"
"net/http"
)
func NewBasicAuthProvider(username, password string) AuthProvider {
return &basicAuthProvider{
hashedAuth: encodeBasicAuth(username, password),
}
}
type basicAuthProvider struct {
hashedAuth string
}
func (p *basicAuthProvider) IsAllowed(request *http.Request) bool {
username, password, ok := request.BasicAuth()
if !ok {
return false
}
requestAuth := encodeBasicAuth(username, password)
return p.hashedAuth == requestAuth
}
func encodeBasicAuth(username, password string) string {
return HashString(fmt.Sprintf("%s:%s", username, password))
}
+53
View File
@@ -0,0 +1,53 @@
package auth
import (
"net/http"
"net/http/httptest"
"testing"
)
func Test_GIVEN_BasicAuthSet_WHEN_CallingIsAllowedWithCorrectCreds_THEN_TrueReturned(t *testing.T) {
// assemble
username := "u1"
password := HashString("abc")
request := httptest.NewRequest(http.MethodGet, "http://example.com", nil)
request.SetBasicAuth(username, password)
provider := NewBasicAuthProvider(username, password)
// act
result := provider.IsAllowed(request)
// assert
if !result {
t.Errorf("expected request to be allowed, but failed")
}
}
func Test_GIVEN_BasicAuthSet_WHEN_CallingIsAllowedWithoutCreds_THEN_FalseReturned(t *testing.T) {
// assemble
request := httptest.NewRequest(http.MethodGet, "http://example.com", nil)
provider := NewBasicAuthProvider("u1", "p1")
// act
result := provider.IsAllowed(request)
// assert
if result {
t.Errorf("expected request to be denied, but was allowed")
}
}
func Test_GIVEN_BasicAuthSet_WHEN_CallingIsAllowedWithWrongCreds_THEN_FalseReturned(t *testing.T) {
// assemble
request := httptest.NewRequest(http.MethodGet, "http://example.com", nil)
request.SetBasicAuth("wrong", "pw")
provider := NewBasicAuthProvider("u1", "p1")
// act
result := provider.IsAllowed(request)
// assert
if result {
t.Errorf("expected request to be denied, but was allowed")
}
}
+14
View File
@@ -0,0 +1,14 @@
package auth
import "net/http"
func NewEmptyAuthProvider() AuthProvider {
return &emptyAuthProvider{}
}
type emptyAuthProvider struct {
}
func (p *emptyAuthProvider) IsAllowed(request *http.Request) bool {
return true
}
+36
View File
@@ -0,0 +1,36 @@
package auth
import (
"net/http"
"net/http/httptest"
"testing"
)
func Test_GIVEN_EmptyAuth_WHEN_CallingIsAllowedWithoutAuth_THEN_TrueReturned(t *testing.T) {
// assemble
request := httptest.NewRequest(http.MethodGet, "http://example.com", nil)
provider := NewEmptyAuthProvider()
// act
response := provider.IsAllowed(request)
// assert
if !response {
t.Errorf("expected request to be allowed, but failed")
}
}
func Test_GIVEN_EmptyAuth_WHEN_CallingIsAllowedWithAuth_THEN_TrueReturned(t *testing.T) {
// assemble
request := httptest.NewRequest(http.MethodGet, "http://example.com", nil)
request.SetBasicAuth("user", "pass")
provider := NewEmptyAuthProvider()
// act
response := provider.IsAllowed(request)
// assert
if !response {
t.Errorf("expected request to be allowed, but failed")
}
}
+2 -2
View File
@@ -5,7 +5,7 @@ import (
"encoding/hex"
)
func Hash(data []byte) []byte {
func hash(data []byte) []byte {
if len(data) == 0 {
return []byte{}
}
@@ -14,5 +14,5 @@ func Hash(data []byte) []byte {
}
func HashString(data string) string {
return hex.EncodeToString(Hash([]byte(data)))
return hex.EncodeToString(hash([]byte(data)))
}
+9
View File
@@ -0,0 +1,9 @@
package auth
import (
"net/http"
)
type AuthProvider interface {
IsAllowed(*http.Request) bool
}
+84
View File
@@ -0,0 +1,84 @@
package cfg
import (
"fmt"
"log"
"os"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/auth"
"github.com/alecthomas/kong"
)
var cliStruct struct {
VersionMode bool `name:"version" short:"v" help:"Show version info and exit"`
DryRunMode bool `name:"dry-run" help:"Attempt to connect to the fail2ban socket then exit before starting the server"`
ServerAddress string `name:"web.listen-address" env:"F2B_WEB_LISTEN_ADDRESS" help:"Address to use for the metrics server" default:"${default_address}"`
F2bSocketPath string `name:"collector.f2b.socket" env:"F2B_COLLECTOR_SOCKET" help:"Path to the fail2ban server socket" default:"${default_socket}"`
ExitOnSocketError bool `name:"collector.f2b.exit-on-socket-connection-error" env:"F2B_EXIT_ON_SOCKET_CONN_ERROR" help:"When set to true the exporter will immediately exit on a fail2ban socket connection error"`
TextFileExporterPath string `name:"collector.textfile.directory" env:"F2B_COLLECTOR_TEXT_PATH" help:"Directory to read text files with metrics from"`
BasicAuthUser string `name:"web.basic-auth.username" env:"F2B_WEB_BASICAUTH_USER" help:"Username to use to protect endpoints with basic auth"`
BasicAuthPass string `name:"web.basic-auth.password" env:"F2B_WEB_BASICAUTH_PASS" help:"Password to use to protect endpoints with basic auth"`
}
func Parse() *AppSettings {
ctx := kong.Parse(
&cliStruct,
kong.Vars{
"default_socket": "/var/run/fail2ban/fail2ban.sock",
"default_address": ":9191",
},
kong.Name("fail2ban_exporter"),
kong.Description("🚀 Export prometheus metrics from a running Fail2Ban instance"),
kong.UsageOnError(),
)
validateFlags(ctx)
settings := &AppSettings{
VersionMode: cliStruct.VersionMode,
DryRunMode: cliStruct.DryRunMode,
MetricsAddress: cliStruct.ServerAddress,
Fail2BanSocketPath: cliStruct.F2bSocketPath,
FileCollectorPath: cliStruct.TextFileExporterPath,
ExitOnSocketConnError: cliStruct.ExitOnSocketError,
AuthProvider: createAuthProvider(),
}
return settings
}
func createAuthProvider() auth.AuthProvider {
username := cliStruct.BasicAuthUser
password := cliStruct.BasicAuthPass
if len(username) == 0 && len(password) == 0 {
return auth.NewEmptyAuthProvider()
}
log.Print("basic auth enabled")
return auth.NewBasicAuthProvider(username, password)
}
func validateFlags(cliCtx *kong.Context) {
var flagsValid = true
var messages = []string{}
if !cliStruct.VersionMode {
if cliStruct.F2bSocketPath == "" {
messages = append(messages, "error: fail2ban socket path must not be blank")
flagsValid = false
}
if cliStruct.ServerAddress == "" {
messages = append(messages, "error: invalid server address, must not be blank")
flagsValid = false
}
if (len(cliStruct.BasicAuthUser) > 0) != (len(cliStruct.BasicAuthPass) > 0) {
messages = append(messages, "error: to enable basic auth both the username and the password must be provided")
flagsValid = false
}
}
if !flagsValid {
cliCtx.PrintUsage(false)
fmt.Println()
for i := 0; i < len(messages); i++ {
fmt.Println(messages[i])
}
os.Exit(1)
}
}
+13
View File
@@ -0,0 +1,13 @@
package cfg
import "git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/auth"
type AppSettings struct {
VersionMode bool
DryRunMode bool
MetricsAddress string
Fail2BanSocketPath string
FileCollectorPath string
AuthProvider auth.AuthProvider
ExitOnSocketConnError bool
}
@@ -1,10 +1,12 @@
package f2b
import (
"fail2ban-prometheus-exporter/cfg"
"fail2ban-prometheus-exporter/socket"
"github.com/prometheus/client_golang/prometheus"
"log"
"os"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/cfg"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/socket"
"github.com/prometheus/client_golang/prometheus"
)
type Collector struct {
@@ -13,16 +15,19 @@ type Collector struct {
lastError error
socketConnectionErrorCount int
socketRequestErrorCount int
exitOnSocketConnError bool
}
func NewExporter(appSettings *cfg.AppSettings, exporterVersion string) *Collector {
log.Printf("reading metrics from fail2ban socket: %s", appSettings.Fail2BanSocketPath)
log.Printf("reading fail2ban metrics from socket file: %s", appSettings.Fail2BanSocketPath)
printFail2BanServerVersion(appSettings.Fail2BanSocketPath)
return &Collector{
socketPath: appSettings.Fail2BanSocketPath,
exporterVersion: exporterVersion,
lastError: nil,
socketConnectionErrorCount: 0,
socketRequestErrorCount: 0,
exitOnSocketConnError: appSettings.ExitOnSocketConnError,
}
}
@@ -41,6 +46,9 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) {
if err != nil {
log.Printf("error opening socket: %v", err)
c.socketConnectionErrorCount++
if c.exitOnSocketConnError {
os.Exit(1)
}
} else {
defer s.Close()
}
@@ -52,3 +60,17 @@ func (c *Collector) Collect(ch chan<- prometheus.Metric) {
}
c.collectErrorCountMetric(ch)
}
func printFail2BanServerVersion(socketPath string) {
s, err := socket.ConnectToSocket(socketPath)
if err != nil {
log.Printf("error connecting to socket: %v", err)
} else {
version, err := s.GetServerVersion()
if err != nil {
log.Printf("error interacting with socket: %v", err)
} else {
log.Printf("successfully connected to fail2ban socket! fail2ban version: %s", version)
}
}
}
@@ -1,9 +1,10 @@
package f2b
import (
"fail2ban-prometheus-exporter/socket"
"github.com/prometheus/client_golang/prometheus"
"log"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/socket"
"github.com/prometheus/client_golang/prometheus"
)
const (
@@ -1,9 +1,10 @@
package textfile
import (
"fail2ban-prometheus-exporter/cfg"
"github.com/prometheus/client_golang/prometheus"
"log"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/cfg"
"github.com/prometheus/client_golang/prometheus"
)
type Collector struct {
@@ -1,11 +1,12 @@
package textfile
import (
"github.com/prometheus/client_golang/prometheus"
"io/ioutil"
"log"
"os"
"path/filepath"
"strings"
"github.com/prometheus/client_golang/prometheus"
)
const namespace = "textfile"
@@ -19,7 +20,7 @@ var (
)
func (c *Collector) collectFileContents() {
files, err := ioutil.ReadDir(c.folderPath)
files, err := os.ReadDir(c.folderPath)
if err != nil {
log.Printf("error reading directory '%s': %v", c.folderPath, err)
return
@@ -36,7 +37,7 @@ func (c *Collector) collectFileContents() {
}
fullPath := filepath.Join(c.folderPath, fileName)
content, err := ioutil.ReadFile(fullPath)
content, err := os.ReadFile(fullPath)
if err != nil {
c.appendErrorForPath(fileName)
log.Printf("error reading contents of file '%s': %v", fileName, err)
+6
View File
@@ -0,0 +1,6 @@
# F2B_COLLECTOR_SOCKET=""
# F2B_COLLECTOR_TEXT_PATH=""
# F2B_WEB_LISTEN_ADDRESS=""
# F2B_WEB_BASICAUTH_USER=""
# F2B_WEB_BASICAUTH_PASS=""
# F2B_EXIT_ON_SOCKET_CONN_ERROR=""
+66
View File
@@ -0,0 +1,66 @@
package main
import (
"fmt"
"log"
"os"
"os/signal"
"syscall"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/cfg"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/collector/f2b"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/collector/textfile"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/server"
"github.com/prometheus/client_golang/prometheus"
)
var (
version = "dev"
commit = "none"
date = "unknown"
builtBy = "unknown"
)
func printAppVersion() {
fmt.Println(version)
fmt.Printf(" build date: %s\r\n commit hash: %s\r\n built by: %s\r\n", date, commit, builtBy)
}
func main() {
appSettings := cfg.Parse()
if appSettings.VersionMode {
printAppVersion()
return
}
handleGracefulShutdown()
log.Printf("fail2ban exporter version %s", version)
log.Printf("starting server at %s", appSettings.MetricsAddress)
f2bCollector := f2b.NewExporter(appSettings, version)
prometheus.MustRegister(f2bCollector)
textFileCollector := textfile.NewCollector(appSettings)
prometheus.MustRegister(textFileCollector)
if !appSettings.DryRunMode {
svrErr := server.StartServer(appSettings, textFileCollector)
err := <-svrErr
log.Fatal(err)
} else {
log.Print("running in dry-run mode - exiting")
}
}
func handleGracefulShutdown() {
var signals = make(chan os.Signal, 1)
signal.Notify(signals, syscall.SIGTERM)
signal.Notify(signals, syscall.SIGINT)
go func() {
sig := <-signals
log.Printf("caught signal: %+v", sig)
os.Exit(0)
}()
}
+22
View File
@@ -0,0 +1,22 @@
module git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter
go 1.20
require (
github.com/alecthomas/kong v0.8.0
github.com/kisielk/og-rek v1.2.0
github.com/nlpodyssey/gopickle v0.2.0
github.com/prometheus/client_golang v1.16.0
)
require (
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.2.0 // indirect
github.com/golang/protobuf v1.5.3 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
github.com/prometheus/client_model v0.4.0 // indirect
github.com/prometheus/common v0.44.0 // indirect
github.com/prometheus/procfs v0.11.0 // indirect
golang.org/x/sys v0.9.0 // indirect
google.golang.org/protobuf v1.31.0 // indirect
)
+38
View File
@@ -0,0 +1,38 @@
github.com/alecthomas/assert/v2 v2.1.0 h1:tbredtNcQnoSd3QBhQWI7QZ3XHOVkw1Moklp2ojoH/0=
github.com/alecthomas/kong v0.8.0 h1:ryDCzutfIqJPnNn0omnrgHLbAggDQM2VWHikE1xqK7s=
github.com/alecthomas/kong v0.8.0/go.mod h1:n1iCIO2xS46oE8ZfYCNDqdR0b0wZNrXAIAqro/2132U=
github.com/alecthomas/repr v0.1.0 h1:ENn2e1+J3k09gyj2shc0dHr/yjaWSHRlrJ4DPMevDqE=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
github.com/kisielk/og-rek v1.2.0 h1:CTvDIin+YnetsSQAYbe+QNAxXU3B50C5hseEz8xEoJw=
github.com/kisielk/og-rek v1.2.0/go.mod h1:6ihsOSzSAxR/65S3Bn9zNihoEqRquhDQZ2c6I2+MG3c=
github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
github.com/nlpodyssey/gopickle v0.2.0 h1:4naD2DVylYJupQLbCQFdwo6yiXEmPyp+0xf5MVlrBDY=
github.com/nlpodyssey/gopickle v0.2.0/go.mod h1:YIUwjJ2O7+vnBsxUN+MHAAI3N+adqEGiw+nDpwW95bY=
github.com/prometheus/client_golang v1.16.0 h1:yk/hx9hDbrGHovbci4BY+pRMfSuuat626eFsHb7tmT8=
github.com/prometheus/client_golang v1.16.0/go.mod h1:Zsulrv/L9oM40tJ7T815tM89lFEugiJ9HzIqaAx4LKc=
github.com/prometheus/client_model v0.4.0 h1:5lQXD3cAg1OXBf4Wq03gTrXHeaV0TQvGfUooCfx1yqY=
github.com/prometheus/client_model v0.4.0/go.mod h1:oMQmHW1/JoDwqLtg57MGgP/Fb1CJEYF2imWWhWtMkYU=
github.com/prometheus/common v0.44.0 h1:+5BrQJwiBB9xsMygAB3TNvpQKOwlkc25LbISbrdOOfY=
github.com/prometheus/common v0.44.0/go.mod h1:ofAIvZbQ1e/nugmZGz4/qCb9Ap1VoSTIO7x0VV9VvuY=
github.com/prometheus/procfs v0.11.0 h1:5EAgkfkMl659uZPbe9AS2N68a7Cc1TJbPEuGzFuRbyk=
github.com/prometheus/procfs v0.11.0/go.mod h1:nwNm2aOCAYw8uTR/9bWRREkZFxAUcWzPHWJq+XBB/FM=
golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sys v0.9.0 h1:KS/R3tvhPqvJvwcKfnBHJwwthS11LRhmM5D59eEXa0s=
golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+26
View File
@@ -0,0 +1,26 @@
image: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}
{{#if build.tags}}
tags:
{{#each build.tags}}
- {{this}}
{{/each}}
- "latest"
{{/if}}
manifests:
-
image: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}-amd64
platform:
architecture: amd64
os: linux
-
image: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}-arm-v7
platform:
architecture: arm
os: linux
variant: v7
-
image: git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter:{{#if build.tag}}{{trimPrefix "v" build.tag}}{{else}}latest{{/if}}-arm64-v8
platform:
architecture: arm64
os: linux
variant: v8
+38
View File
@@ -0,0 +1,38 @@
{
"$schema": "https://docs.renovatebot.com/renovate-schema.json",
"assigneesFromCodeOwners": true,
"automergeStrategy": "merge-commit",
"automergeType": "pr",
"labels": [ "renovate" ],
"packageRules": [
{
"description": "Automatically update minor and patch versions of used drone-ci images",
"addLabels": [ "renovate/droneci", "renovate/automerge" ],
"excludePackagePatterns": [ "plugins/docker" ],
"automerge": true,
"matchManagers": "droneci",
"matchUpdateTypes": [ "minor", "patch"]
},
{
"description": "Automatically update minor and patch versions of go modules",
"addLabels": [ "renovate/gomod", "renovate/automerge" ],
"automerge": true,
"matchBaseBranches": [ "master" ],
"matchManagers": [ "gomod" ],
"matchUpdateTypes": [ "minor", "patch" ]
},
{
"description": "Prepare MR for major update minor of go modules",
"addLabels": [ "renovate/gomod" ],
"automerge": false,
"matchBaseBranches": [ "master" ],
"matchManagers": [ "gomod" ],
"matchUpdateTypes": [ "major" ]
}
],
"postUpdateOptions": [
"gomodTidy"
],
"rebaseLabel": "renovate/rebase",
"rebaseWhen": "behind-base-branch"
}
+17
View File
@@ -0,0 +1,17 @@
package server
import (
"net/http"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/auth"
)
func AuthMiddleware(handlerFunc http.HandlerFunc, authProvider auth.AuthProvider) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if authProvider.IsAllowed(r) {
handlerFunc.ServeHTTP(w, r)
} else {
w.WriteHeader(http.StatusUnauthorized)
}
}
}
+46
View File
@@ -0,0 +1,46 @@
package server
import (
"net/http"
"net/http/httptest"
"testing"
)
type testAuthProvider struct {
match bool
}
func (p testAuthProvider) IsAllowed(request *http.Request) bool {
return p.match
}
func newTestRequest() *http.Request {
return httptest.NewRequest(http.MethodGet, "http://example.com", nil)
}
func executeAuthMiddlewareTest(t *testing.T, authMatches bool, expectedCode int, expectedCallCount int) {
callCount := 0
testHandler := func(w http.ResponseWriter, r *http.Request) {
callCount++
}
handler := AuthMiddleware(testHandler, testAuthProvider{match: authMatches})
recorder := httptest.NewRecorder()
request := newTestRequest()
handler.ServeHTTP(recorder, request)
if recorder.Code != expectedCode {
t.Errorf("statusCode = %v, want %v", recorder.Code, expectedCode)
}
if callCount != expectedCallCount {
t.Errorf("callCount = %v, want %v", callCount, expectedCallCount)
}
}
func Test_GIVEN_MatchingBasicAuth_WHEN_MethodCalled_THEN_RequestProcessed(t *testing.T) {
executeAuthMiddlewareTest(t, true, http.StatusOK, 1)
}
func Test_GIVEN_NonMatchingBasicAuth_WHEN_MethodCalled_THEN_RequestRejected(t *testing.T) {
executeAuthMiddlewareTest(t, false, http.StatusUnauthorized, 0)
}
+33
View File
@@ -0,0 +1,33 @@
package server
import (
"log"
"net/http"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/collector/textfile"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
const (
metricsPath = "/metrics"
)
func rootHtmlHandler(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte(
`<html>
<head><title>Fail2Ban Exporter</title></head>
<body>
<h1>Fail2Ban Exporter</h1>
<p><a href="` + metricsPath + `">Metrics</a></p>
</body>
</html>`))
if err != nil {
log.Printf("error handling root url: %v", err)
w.WriteHeader(http.StatusInternalServerError)
}
}
func metricHandler(w http.ResponseWriter, r *http.Request, collector *textfile.Collector) {
promhttp.Handler().ServeHTTP(w, r)
collector.WriteTextFileMetrics(w, r)
}
+41
View File
@@ -0,0 +1,41 @@
package server
import (
"log"
"net/http"
"time"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/cfg"
"git.cryptic.systems/volker.raschek/prometheus-fail2ban-exporter/collector/textfile"
)
func StartServer(
appSettings *cfg.AppSettings,
textFileCollector *textfile.Collector,
) chan error {
http.HandleFunc("/", AuthMiddleware(
rootHtmlHandler,
appSettings.AuthProvider,
))
http.HandleFunc(metricsPath, AuthMiddleware(
func(w http.ResponseWriter, r *http.Request) {
metricHandler(w, r, textFileCollector)
},
appSettings.AuthProvider,
))
log.Printf("metrics available at '%s'", metricsPath)
svrErr := make(chan error)
go func() {
httpServer := &http.Server{
Addr: appSettings.MetricsAddress,
ReadHeaderTimeout: 10 * time.Second,
ReadTimeout: 10 * time.Second,
WriteTimeout: 10 * time.Second,
IdleTimeout: 30 * time.Second,
}
svrErr <- httpServer.ListenAndServe()
}()
log.Print("ready")
return svrErr
}
-31
View File
@@ -1,31 +0,0 @@
package auth
import (
"net/http"
)
type BasicAuthProvider interface {
Enabled() bool
DoesBasicAuthMatch(username, password string) bool
}
func BasicAuthMiddleware(handlerFunc http.HandlerFunc, basicAuthProvider BasicAuthProvider) http.HandlerFunc {
if basicAuthProvider.Enabled() {
return func(w http.ResponseWriter, r *http.Request) {
if doesBasicAuthMatch(r, basicAuthProvider) {
handlerFunc.ServeHTTP(w, r)
} else {
w.WriteHeader(http.StatusUnauthorized)
}
}
}
return handlerFunc
}
func doesBasicAuthMatch(r *http.Request, basicAuthProvider BasicAuthProvider) bool {
rawUsername, rawPassword, ok := r.BasicAuth()
if ok {
return basicAuthProvider.DoesBasicAuthMatch(rawUsername, rawPassword)
}
return false
}
-58
View File
@@ -1,58 +0,0 @@
package auth
import (
"net/http"
"net/http/httptest"
"testing"
)
type testAuthProvider struct {
enabled bool
match bool
}
func (p testAuthProvider) Enabled() bool {
return p.enabled
}
func (p testAuthProvider) DoesBasicAuthMatch(username, password string) bool {
return p.match
}
func newTestRequest() *http.Request {
return httptest.NewRequest(http.MethodGet, "http://example.com", nil)
}
func executeBasicAuthMiddlewareTest(t *testing.T, authEnabled bool, authMatches bool, expectedCode int, expectedCallCount int) {
callCount := 0
testHandler := func(w http.ResponseWriter, r *http.Request) {
callCount++
}
handler := BasicAuthMiddleware(testHandler, testAuthProvider{enabled: authEnabled, match: authMatches})
recorder := httptest.NewRecorder()
request := newTestRequest()
if authEnabled {
request.SetBasicAuth("test", "test")
}
handler.ServeHTTP(recorder, request)
if recorder.Code != expectedCode {
t.Errorf("statusCode = %v, want %v", recorder.Code, expectedCode)
}
if callCount != expectedCallCount {
t.Errorf("callCount = %v, want %v", callCount, expectedCallCount)
}
}
func Test_GIVEN_DisabledBasicAuth_WHEN_MethodCalled_THEN_RequestProcessed(t *testing.T) {
executeBasicAuthMiddlewareTest(t, false, false, http.StatusOK, 1)
}
func Test_GIVEN_EnabledBasicAuth_WHEN_MethodCalledWithCorrectCredentials_THEN_RequestProcessed(t *testing.T) {
executeBasicAuthMiddlewareTest(t, true, true, http.StatusOK, 1)
}
func Test_GIVEN_EnabledBasicAuth_WHEN_MethodCalledWithIncorrectCredentials_THEN_RequestRejected(t *testing.T) {
executeBasicAuthMiddlewareTest(t, true, false, http.StatusUnauthorized, 0)
}
-25
View File
@@ -1,25 +0,0 @@
package cfg
import "fail2ban-prometheus-exporter/auth"
type hashedBasicAuth struct {
username string
password string
}
func newHashedBasicAuth(rawUsername, rawPassword string) *hashedBasicAuth {
return &hashedBasicAuth{
username: auth.HashString(rawUsername),
password: auth.HashString(rawPassword),
}
}
func (p *hashedBasicAuth) Enabled() bool {
return len(p.username) > 0 && len(p.password) > 0
}
func (p *hashedBasicAuth) DoesBasicAuthMatch(rawUsername, rawPassword string) bool {
username := auth.HashString(rawUsername)
password := auth.HashString(rawPassword)
return username == p.username && password == p.password
}
-60
View File
@@ -1,60 +0,0 @@
package cfg
import "testing"
func Test_hashedBasicAuth_DoesBasicAuthMatch(t *testing.T) {
type args struct {
username string
password string
}
type fields struct {
username string
password string
}
tests := []struct {
name string
fields fields
args args
want bool
}{
{"Happy test #1", fields{username: "1234", password: "1234"}, args{username: "1234", password: "1234"}, true},
{"Happy test #2", fields{username: "test", password: "1234"}, args{username: "test", password: "1234"}, true},
{"Happy test #3", fields{username: "TEST", password: "1234"}, args{username: "TEST", password: "1234"}, true},
{"Non match #1", fields{username: "test", password: "1234"}, args{username: "1234", password: "1234"}, false},
{"Non match #2", fields{username: "1234", password: "test"}, args{username: "1234", password: "1234"}, false},
{"Non match #3", fields{username: "1234", password: "test"}, args{username: "1234", password: "TEST"}, false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
basicAuth := newHashedBasicAuth(tt.fields.username, tt.fields.password)
if got := basicAuth.DoesBasicAuthMatch(tt.args.username, tt.args.password); got != tt.want {
t.Errorf("DoesBasicAuthMatch() = %v, want %v", got, tt.want)
}
})
}
}
func Test_hashedBasicAuth_Enabled(t *testing.T) {
type fields struct {
username string
password string
}
tests := []struct {
name string
fields fields
want bool
}{
{"Both blank", fields{username: "", password: ""}, false},
{"Single blank #1", fields{username: "test", password: ""}, false},
{"Single blank #1", fields{username: "", password: "test"}, false},
{"Both populated", fields{username: "test", password: "test"}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
basicAuth := newHashedBasicAuth(tt.fields.username, tt.fields.password)
if got := basicAuth.Enabled(); got != tt.want {
t.Errorf("Enabled() = %v, want %v", got, tt.want)
}
})
}
}
-101
View File
@@ -1,101 +0,0 @@
package cfg
import (
"fmt"
"gopkg.in/alecthomas/kingpin.v2"
"os"
)
const (
socketEnvName = "F2B_COLLECTOR_SOCKET"
fileCollectorPathEnvName = "F2B_COLLECTOR_TEXT_PATH"
addressEnvName = "F2B_WEB_LISTEN_ADDRESS"
basicAuthUserEnvName = "F2B_WEB_BASICAUTH_USER"
basicAuthPassEnvName = "F2B_WEB_BASICAUTH_PASS"
)
type AppSettings struct {
VersionMode bool
MetricsAddress string
Fail2BanSocketPath string
FileCollectorPath string
BasicAuthProvider *hashedBasicAuth
}
func init() {
kingpin.HelpFlag.Short('h')
}
func Parse() *AppSettings {
settings := &AppSettings{}
readParamsFromCli(settings)
settings.validateFlags()
return settings
}
func readParamsFromCli(settings *AppSettings) {
versionMode := kingpin.
Flag("version", "show version info and exit").
Short('v').
Default("false").
Bool()
socketPath := kingpin.
Flag("collector.f2b.socket", "path to the fail2ban server socket").
Default("/var/run/fail2ban/fail2ban.sock").
Envar(socketEnvName).
String()
fileCollectorPath := kingpin.
Flag("collector.textfile.directory", "directory to read text files with metrics from").
Default("").
Envar(fileCollectorPathEnvName).
String()
address := kingpin.
Flag("web.listen-address", "address to use for the metrics server").
Default(":9191").
Envar(addressEnvName).
String()
rawBasicAuthUsername := kingpin.
Flag("web.basic-auth.username", "username to use to protect endpoints with basic auth").
Default("").
Envar(basicAuthUserEnvName).
String()
rawBasicAuthPassword := kingpin.
Flag("web.basic-auth.password", "password to use to protect endpoints with basic auth").
Default("").
Envar(basicAuthPassEnvName).
String()
kingpin.Parse()
settings.VersionMode = *versionMode
settings.MetricsAddress = *address
settings.Fail2BanSocketPath = *socketPath
settings.FileCollectorPath = *fileCollectorPath
settings.setBasicAuthValues(*rawBasicAuthUsername, *rawBasicAuthPassword)
}
func (settings *AppSettings) setBasicAuthValues(rawUsername, rawPassword string) {
settings.BasicAuthProvider = newHashedBasicAuth(rawUsername, rawPassword)
}
func (settings *AppSettings) validateFlags() {
var flagsValid = true
if !settings.VersionMode {
if settings.Fail2BanSocketPath == "" {
fmt.Println("error: fail2ban socket path must not be blank")
flagsValid = false
}
if settings.MetricsAddress == "" {
fmt.Println("error: invalid server address, must not be blank")
flagsValid = false
}
if (len(settings.BasicAuthProvider.username) > 0) != (len(settings.BasicAuthProvider.password) > 0) {
fmt.Println("error: to enable basic auth both the username and the password must be provided")
flagsValid = false
}
}
if !flagsValid {
kingpin.Usage()
os.Exit(1)
}
}
-103
View File
@@ -1,103 +0,0 @@
package main
import (
"fail2ban-prometheus-exporter/auth"
"fail2ban-prometheus-exporter/cfg"
"fail2ban-prometheus-exporter/collector/f2b"
"fail2ban-prometheus-exporter/collector/textfile"
"fmt"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"log"
"net/http"
"os"
"os/signal"
"syscall"
)
const (
metricsPath = "/metrics"
)
var (
version = "dev"
commit = "none"
date = "unknown"
builtBy = "unknown"
)
func printAppVersion() {
fmt.Println(version)
fmt.Printf(" build date: %s\r\n commit hash: %s\r\n built by: %s\r\n", date, commit, builtBy)
}
func rootHtmlHandler(w http.ResponseWriter, r *http.Request) {
_, err := w.Write([]byte(
`<html>
<head><title>Fail2Ban Exporter</title></head>
<body>
<h1>Fail2Ban Exporter</h1>
<p><a href="` + metricsPath + `">Metrics</a></p>
</body>
</html>`))
if err != nil {
log.Printf("error handling root url: %v", err)
w.WriteHeader(http.StatusInternalServerError)
}
}
func metricHandler(w http.ResponseWriter, r *http.Request, collector *textfile.Collector) {
promhttp.Handler().ServeHTTP(w, r)
collector.WriteTextFileMetrics(w, r)
}
func main() {
appSettings := cfg.Parse()
if appSettings.VersionMode {
printAppVersion()
} else {
handleGracefulShutdown()
log.Printf("fail2ban exporter version %s", version)
log.Printf("starting server at %s", appSettings.MetricsAddress)
f2bCollector := f2b.NewExporter(appSettings, version)
prometheus.MustRegister(f2bCollector)
textFileCollector := textfile.NewCollector(appSettings)
prometheus.MustRegister(textFileCollector)
http.HandleFunc("/", auth.BasicAuthMiddleware(rootHtmlHandler, appSettings.BasicAuthProvider))
http.HandleFunc(metricsPath, auth.BasicAuthMiddleware(
func(w http.ResponseWriter, r *http.Request) {
metricHandler(w, r, textFileCollector)
},
appSettings.BasicAuthProvider,
))
log.Printf("metrics available at '%s'", metricsPath)
if appSettings.BasicAuthProvider.Enabled() {
log.Printf("basic auth enabled")
}
svrErr := make(chan error)
go func() {
svrErr <- http.ListenAndServe(appSettings.MetricsAddress, nil)
}()
log.Print("ready")
err := <-svrErr
log.Print(err)
}
}
func handleGracefulShutdown() {
var signals = make(chan os.Signal)
signal.Notify(signals, syscall.SIGTERM)
signal.Notify(signals, syscall.SIGINT)
go func() {
sig := <-signals
log.Printf("caught signal: %+v", sig)
os.Exit(0)
}()
}
-10
View File
@@ -1,10 +0,0 @@
module fail2ban-prometheus-exporter
go 1.15
require (
github.com/kisielk/og-rek v1.1.0
github.com/nlpodyssey/gopickle v0.1.0
github.com/prometheus/client_golang v1.9.0
gopkg.in/alecthomas/kingpin.v2 v2.2.6
)
-414
View File
@@ -1,414 +0,0 @@
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d h1:UQZhZ2O0vMHr2cI+DC1Mbh0TJxzA3RcLoMsFw+aXw7E=
github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
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gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
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+22
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[Unit]
Description=Prometheus exporter for fail2ban metrics
Requires=network-online.target
After=network-online.target
[Service]
EnvironmentFile=/etc/conf.d/EXECUTABLE
ExecStart=/usr/bin/EXECUTABLE
ExecReload=/bin/kill -HUP $MAINPID
Restart=on-failure
RestartSec=5s
NoNewPrivileges=true
# NOTE: Would be great to create and use a dedicated user/group via
# sysusers.conf to access the fail2ban socket, but currently it is no possible
# without manual configuration of the fail2ban daemon.
User=root
Group=root
[Install]
WantedBy=multi-user.target
-60
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@@ -1,60 +0,0 @@
# CHANGELOG
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog], and this project adheres to [Semantic Versioning].
{{ if .Versions -}}
## [Unreleased]
{{- if .Unreleased.CommitGroups }}
{{ template "commits" .Unreleased.CommitGroups }}
{{- end -}}
{{- if .Unreleased.NoteGroups -}}
{{ template "notes" .Unreleased.NoteGroups }}
{{- end -}}
{{- end -}}
{{ range .Versions -}}
## {{ if .Tag.Previous }}[{{ .Tag.Name }}]{{ else }}{{ .Tag.Name }}{{ end }} - {{ datetime "2006-01-02" .Tag.Date }}
{{ template "commits" .CommitGroups }}
{{- if .NoteGroups -}}
{{ template "notes" .NoteGroups }}
{{- end -}}
{{ end }}
---
*This changelog is automatically generated by [git-chglog]*
[Keep a Changelog]: https://keepachangelog.com/en/1.0.0/
[Semantic Versioning]: https://semver.org/spec/v2.0.0.html
[git-chglog]: https://github.com/git-chglog/git-chglog
{{- if .Versions }}
[Unreleased]: {{ .Info.RepositoryURL }}/compare/{{ $latest := index .Versions 0 }}{{ $latest.Tag.Name }}...main
{{ range .Versions -}}
{{ if .Tag.Previous -}}
[{{ .Tag.Name }}]: {{ $.Info.RepositoryURL }}/compare/{{ .Tag.Previous.Name }}...{{ .Tag.Name }}
{{ end -}}
{{ end -}}
{{ end -}}
{{- define "notes" }}
{{- range . -}}
### {{ .Title }}
{{ range .Notes -}}
- {{ .Body }}
{{ end }}
{{ end }}
{{ end -}}
{{- define "commits" }}
{{- range . -}}
{{ if or (eq .RawTitle "feat") (eq .RawTitle "fix") }}
### {{ .Title }}
{{ range .Commits -}}
- ({{ .Hash.Short }}) {{ if .Scope }}**{{ .Scope }}:** {{ end }}{{ .Header }}
{{ end }}
{{ end -}}
{{ end -}}
{{ end -}}
-23
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@@ -1,23 +0,0 @@
style: gitlab
template: CHANGELOG.tpl.md
info:
title: CHANGELOG
repository_url: https://gitlab.com/hectorjsmith/fail2ban-prometheus-exporter
options:
commit_groups:
title_maps:
feat: Added
fix: Fixed
revert: Reverted
header:
pattern: "^(\\w*)\\:\\s(.*)$"
pattern_maps:
- Type
- Subject
notes:
keywords:
- BREAKING CHANGE
- Changed
- Deprecated
- Removed
- Security
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