Initial Commit

.drone.yml

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+---
+kind: pipeline
+type: kubernetes
+name: linter
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: markdown lint
+  commands:
+  - markdownlint *.md
+  image: docker.io/tmknom/markdownlint:0.23.1
+  resources:
+    limits:
+      cpu: 50
+      memory: 50M
+
+- name: email-notification
+  environment:
+    PLUGIN_HOST:
+      from_secret: smtp_host
+    PLUGIN_USERNAME:
+      from_secret: smtp_username
+    PLUGIN_PASSWORD:
+      from_secret: smtp_password
+    PLUGIN_FROM:
+      from_secret: smtp_mail_address
+  image: docker.io/drillster/drone-email:latest
+  resources:
+    limits:
+      cpu: 50
+      memory: 25M
+  when:
+    status:
+    - changed
+    - failure
+
+trigger:
+  event:
+    exclude:
+    - tag
+---
+kind: pipeline
+type: docker
+name: build
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: build
+  image: docker.io/volkerraschek/build-image:latest
+  commands:
+  - make container-image/build
+  volumes:
+  - name: docker_socket
+    path: /var/run/docker.sock
+  when:
+    branch:
+    - master
+
+- name: push
+  image: docker.io/volkerraschek/build-image:latest
+  commands:
+  - make container-image/push
+  environment:
+    DHCPD_IMAGE_REGISTRY_PASSWORD:
+      from_secret: container_image_registry_password
+  volumes:
+  - name: docker_socket
+    path: /var/run/docker.sock
+  when:
+    branch:
+    - master
+    repo:
+    - volker.raschek/dhcpd-docker
+
+- name: delete
+  image: docker.io/volkerraschek/build-image:latest
+  commands:
+  - make container-image/delete
+  volumes:
+  - name: docker_socket
+    path: /var/run/docker.sock
+  when:
+    branch:
+    - master
+
+- name: notify
+  image: drillster/drone-email
+  environment:
+    PLUGIN_HOST:
+      from_secret: smtp_host
+    PLUGIN_USERNAME:
+      from_secret: smtp_username
+    PLUGIN_PASSWORD:
+      from_secret: smtp_password
+    PLUGIN_FROM:
+      from_secret: smtp_mail_address
+  when:
+    status:
+    - changed
+    - failure
+
+volumes:
+- name: docker_socket
+  host:
+    path: /var/run/docker.sock
+
+trigger:
+  event:
+    exclude:
+    - tag
+---
+kind: pipeline
+type: kubernetes
+name: sync
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: github
+  image: docker.io/appleboy/drone-git-push:latest
+  resources:
+    limits:
+      cpu: 50
+      memory: 25M
+  settings:
+    branch: master
+    remote: ssh://git@github.com/volker-raschek/dhcpd-docker.git
+    force: true
+    ssh_key:
+      from_secret: ssh_key
+
+- name: email-notification
+  environment:
+    PLUGIN_HOST:
+      from_secret: smtp_host
+    PLUGIN_USERNAME:
+      from_secret: smtp_username
+    PLUGIN_PASSWORD:
+      from_secret: smtp_password
+    PLUGIN_FROM:
+      from_secret: smtp_mail_address
+  image: docker.io/drillster/drone-email:latest
+  resources:
+    limits:
+      cpu: 50
+      memory: 25M
+  when:
+    status:
+    - changed
+    - failure
+
+trigger:
+  event:
+  - push
+  repo:
+  - volker.raschek/dhcpd-docker

.editorconfig

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+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

.gitattributes

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+Makefile text eol=lf

.gitignore

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+.env
+data
+config

.markdownlint.yaml

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+# 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: []
+  # - some-thing
+  # 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"

Dockerfile

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+FROM docker.io/library/archlinux:latest
+
+RUN pacman --sync --sysupgrade --refresh --noconfirm dhcp
+
+ADD rootfs/ .
+
+ENTRYPOINT [ "/usr/local/bin/entrypoint.sh" ]

LICENSE

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+Copyright 2019 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.

Makefile

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+# CONTAINER_RUNTIME
+# The CONTAINER_RUNTIME variable will be used to specified the path to a
+# container runtime. This is needed to start and run a container image.
+CONTAINER_RUNTIME?=$(shell which docker)
+
+# DHCPD_IMAGE_REGISTRY_NAME
+# Defines the name of the new container to be built using several variables.
+DHCPD_IMAGE_REGISTRY_NAME:=docker.io
+DHCPD_IMAGE_REGISTRY_USER:=volkerraschek
+
+DHCPD_IMAGE_NAMESPACE?=${DHCPD_IMAGE_REGISTRY_USER}
+DHCPD_IMAGE_NAME:=dhcpd
+DHCPD_IMAGE_VERSION?=latest
+DHCPD_IMAGE_FULLY_QUALIFIED=${DHCPD_IMAGE_REGISTRY_NAME}/${DHCPD_IMAGE_NAMESPACE}/${DHCPD_IMAGE_NAME}:${DHCPD_IMAGE_VERSION}
+DHCPD_IMAGE_UNQUALIFIED=${DHCPD_IMAGE_NAMESPACE}/${DHCPD_IMAGE_NAME}:${DHCPD_IMAGE_VERSION}
+
+# BUILD CONTAINER IMAGE
+# ==============================================================================
+PHONY:=container-image/build
+container-image/build:
+	${CONTAINER_RUNTIME} build \
+		--file Dockerfile \
+		--no-cache \
+		--pull \
+		--tag ${DHCPD_IMAGE_FULLY_QUALIFIED} \
+		--tag ${DHCPD_IMAGE_UNQUALIFIED} \
+		.
+
+# DELETE CONTAINER IMAGE
+# ==============================================================================
+PHONY:=container-image/delete
+container-image/delete:
+	- ${CONTAINER_RUNTIME} image rm ${DHCPD_IMAGE_FULLY_QUALIFIED} ${DHCPD_IMAGE_UNQUALIFIED}
+	- ${CONTAINER_RUNTIME} image rm ${BASE_IMAGE_FULL}
+
+# PUSH CONTAINER IMAGE
+# ==============================================================================
+PHONY+=container-image/push
+container-image/push:
+	echo ${DHCPD_IMAGE_REGISTRY_PASSWORD} | ${CONTAINER_RUNTIME} login ${DHCPD_IMAGE_REGISTRY_NAME} --username ${DHCPD_IMAGE_REGISTRY_USER} --password-stdin
+	${CONTAINER_RUNTIME} push ${DHCPD_IMAGE_FULLY_QUALIFIED}
+
+# PHONY
+# ==============================================================================
+# Declare the contents of the PHONY variable as phony.  We keep that information
+# in a variable so we can use it in if_changed.
+.PHONY: ${PHONY}

README.md

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+# dhcpd-docker
+
+[![Build Status](https://drone.cryptic.systems/api/badges/volker.raschek/dhcpd-docker/status.svg)](https://drone.cryptic.systems/volker.raschek/dhcpd-docker)
+[![Docker Pulls](https://img.shields.io/docker/pulls/volkerraschek/dhcpd)](https://hub.docker.com/r/volkerraschek/dhcpd)
+
+This project contains all sources to build the container image
+`docker.io/volkerraschek/dhcpd`. The primary goal of the image is to run the
+ISC-DHCPD server inside a container to support distributions which does not
+deploy a newer version of the DHCP server.
+
+## Usage
+
+### IPv4 (default)
+
+```bash
+$ docker run \
+    --env DHCP_INTERFACES=br0 \
+    --env DHCP_IP=4 \
+    --rm \
+    --volume ${PWD}/config:/etc/dhcp:ro \
+    --volume ${PWD}/data:/var/lib/dhcp:rw \
+    --volume /etc/localtime:/etc/localtime:ro \
+      volkerraschek/dhcpd-docker:latest
+```
+
+### IPv6
+
+```bash
+$ docker run \
+    --env DHCP_INTERFACES=br0 \
+    --env DHCP_IP=4 \
+    --rm \
+    --volume ${PWD}/config:/etc/dhcpd:ro \
+    --volume ${PWD}/data:/var/lib/dhcp:rw \
+    --volume /etc/localtime:/etc/localtime:ro \
+      volkerraschek/dhcpd-docker:latest
+```
+
+## Build image manually
+
+To build the images manually check out the
+[repository](https://drone.cryptic.systems/volker.raschek/dhcpd-docker) with
+`git` and use the `make` command to build the container images.
+
+```bash
+make container-image/build
+```

docker-compose.yml

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+version: "3"
+services:
+  dhcpd:
+    container_name: dhcpd
+    environment:
+    - DHCP_INTERFACES=br0
+    - DHCP_IP=4
+    image: volkerraschek/dhcpd-docker:latest
+    network_mode: host
+    volumes:
+    - ${PWD}/config:/etc/dhcp:ro
+    - ${PWD}/data:/var/lib/dhcp:rw
+    - /etc/localtime:/etc/localtime:ro

rootfs/usr/local/bin/entrypoint.sh

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+#!/bin/bash
+
+mkdir --parents /etc/dhcp/ mkdir --parents /run/dhcpd{4,6}  || true
+
+if [ "${DHCP_IP+x}" = "x" ] && [ ${DHCP_IP} == "6" ]; then
+  touch /var/lib/dhcp/dhcpd6.leases
+  /usr/bin/dhcpd -6 -cf /etc/dhcp/dhcpd6.conf -pf /run/dhcpd6/dhcpd.pid -d ${DHCP_INTERFACES}
+else
+  touch /var/lib/dhcp/dhcpd.leases
+  /usr/bin/dhcpd -4 -cf /etc/dhcp/dhcpd.conf -pf /run/dhcpd4/dhcpd.pid -d ${DHCP_INTERFACES}
+fi