dhcp; begin tftp

.gitignore

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+/data
+*.swp

docker-compose.yml

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+version: '2'
+
+services:
+    isc-dhcp:
+        build: ./isc-dhcp
+        container_name: dhcp-isc-dhcp
+        volumes:
+            - ./data/isc-dhcp:/data
+        network_mode: host
+#        networks:
+#            dhcp.internal.docker:
+#                aliases:
+#                    - isc-dhcp.dhcp.internal.docker
+#        ports:
+#            - "0.0.0.0:67:67/udp"
+        env_file:
+            - env
+
+    tftpd:
+        build: ./tftpd
+        container_name: dhcp-tftpd
+        volumes:
+            - ./data/tftpd/tftp:/srv/tftp/
+        networks:
+            dhcp.internal.docker:
+                aliases:
+                    - tftpd.dhcp.internal.docker
+        ports:
+            - "0.0.0.0:69:69/udp"
+        env_file:
+            - env
+
+#    dhcp-recursor:
+#        build: ./dhcp-recursor
+#        container_name: dhcp-dhcp-recursor
+#        networks:
+#            dhcp.internal.docker:
+#                aliases:
+#                    - dhcp-recursor.dhcp.internal.docker
+#        env_file:
+#            - env
+
+
+networks:
+    dhcp.internal.docker:

env

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+DNS_HOST_ROUTER=router
+IP_HOST8ROUTER=

isc-dhcp/Dockerfile

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+FROM debian:jessie
+
+MAINTAINER Robin Thoni <robin@rthoni.com>
+
+ARG CONFIG_DIR=/etc/default/config-files/
+
+RUN apt-get update && apt-get -y install\
+        isc-dhcp-server &&\
+        apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+RUN rm -rf /var/log/*
+
+COPY ./vars-vars /etc/vars-vars
+
+COPY ./vars-files /etc/vars-files
+
+COPY ./common.sh /common.sh
+
+COPY ./run.sh /run.sh
+
+RUN mkdir "${CONFIG_DIR}"
+
+COPY dhcpd.conf "${CONFIG_DIR}"/dhcpd.conf
+
+EXPOSE 80
+
+CMD ["/run.sh"]

isc-dhcp/common.sh

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+export CONFIG_DIR="/etc/default/config-files/"
+
+resolv_host()
+{
+  hostname="${1}"
+  ip=$(getent hosts "${hostname}" | cut -d' ' -f1)
+  echo "${ip}"
+}
+
+replace_var()
+{
+  file="${1}"
+  var="${2}"
+  sed -e "s?${var}?${!var}?g" -i "${file}"
+}
+
+replace_vars()
+{
+  file="${1}"
+  for var in $(cat /etc/vars-vars)
+  do
+    replace_var "${file}" "${var}"
+  done
+}
+
+replace_files()
+{
+  cat /etc/vars-files | while read line
+  do
+    filesrc="${CONFIG_DIR}$(echo "${line}" | awk '{print $1}')"
+    filedst=$(echo "${line}" | awk '{print $2}')
+    if [ -f "${filesrc}" ]
+    then
+      echo "Expanding file ${filesrc} to ${filedst}"
+      cp "${filesrc}" "${filedst}"
+      replace_vars "${filedst}"
+    else
+      echo "File ${filesrc} does not exist. Skipping."
+    fi
+  done
+}

isc-dhcp/dhcpd.conf

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+ddns-update-style none;
+
+option classless-routes code 121 = array of unsigned integer 8;
+option classless-routes-win code 249 = array of unsigned integer 8;
+
+default-lease-time 600;
+max-lease-time 7200;
+
+use-host-decl-names on;
+
+authoritative;
+
+log-facility local7;
+
+subnet 10.15.100.0 netmask 255.255.255.0 {
+
+  range 10.15.100.50 10.15.100.250;
+  option subnet-mask 255.255.255.0;
+  option broadcast-address 10.15.100.255;
+  option routers 10.15.100.2;
+
+  option domain-name "site.rthoni.com rthoni.com";
+  option domain-name-servers 10.15.100.1;
+
+  #option classless-routes 24, 10,15,42, 10.15.12,2;
+  #option classless-routes-win 24, 10,15,42, 10.15.12,2;
+
+  next-server 10.15.100.2;
+  if exists user-class and ( option user-class = "iPXE-rthoni" ) {
+    filename "http://netboot/boot.ipxe";
+  }
+  else {
+    filename "ipxe-rthoni.kpxe";
+  }
+  option root-path "10.15.100.1:/pxeroot/ubuntu";
+
+}
+

isc-dhcp/run.sh

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+#! /usr/bin/env bash
+
+. /common.sh
+
+replace_files
+
+touch /data/dhcpd.leases
+
+exec dhcpd -4 -f --no-pid -d -cf /etc/dhcp/dhcpd.conf -lf /data/dhcpd.leases

isc-dhcp/vars-files

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+dhcpd.conf /etc/dhcp/dhcpd.conf

isc-dhcp/vars-vars

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+DNS_HOST_ROUTER
+IP_HOST8ROUTER

tftpd/Dockerfile

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+FROM debian:jessie
+
+MAINTAINER Robin Thoni <robin@rthoni.com>
+
+ARG CONFIG_DIR=/etc/default/config-files/
+
+RUN apt-get update && apt-get -y install\
+        tftpd-hpa\
+        xinetd &&\
+        apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+RUN rm -rf /var/log/*
+
+COPY ./vars-vars /etc/vars-vars
+
+COPY ./vars-files /etc/vars-files
+
+COPY ./common.sh /common.sh
+
+COPY ./run.sh /run.sh
+
+RUN mkdir "${CONFIG_DIR}"
+
+COPY xinetd.tftp.conf "${CONFIG_DIR}"/tftp
+
+EXPOSE 80
+
+CMD ["/run.sh"]

tftpd/common.sh

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+export CONFIG_DIR="/etc/default/config-files/"
+
+resolv_host()
+{
+  hostname="${1}"
+  ip=$(getent hosts "${hostname}" | cut -d' ' -f1)
+  echo "${ip}"
+}
+
+replace_var()
+{
+  file="${1}"
+  var="${2}"
+  sed -e "s?${var}?${!var}?g" -i "${file}"
+}
+
+replace_vars()
+{
+  file="${1}"
+  for var in $(cat /etc/vars-vars)
+  do
+    replace_var "${file}" "${var}"
+  done
+}
+
+replace_files()
+{
+  cat /etc/vars-files | while read line
+  do
+    filesrc="${CONFIG_DIR}$(echo "${line}" | awk '{print $1}')"
+    filedst=$(echo "${line}" | awk '{print $2}')
+    if [ -f "${filesrc}" ]
+    then
+      echo "Expanding file ${filesrc} to ${filedst}"
+      cp "${filesrc}" "${filedst}"
+      replace_vars "${filedst}"
+    else
+      echo "File ${filesrc} does not exist. Skipping."
+    fi
+  done
+}

tftpd/dhcpd.conf

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+ddns-update-style none;
+
+option classless-routes code 121 = array of unsigned integer 8;
+option classless-routes-win code 249 = array of unsigned integer 8;
+
+default-lease-time 600;
+max-lease-time 7200;
+
+use-host-decl-names on;
+
+authoritative;
+
+log-facility local7;
+
+subnet 10.15.100.0 netmask 255.255.255.0 {
+
+  range 10.15.100.50 10.15.100.250;
+  option subnet-mask 255.255.255.0;
+  option broadcast-address 10.15.100.255;
+  option routers 10.15.100.2;
+
+  option domain-name "site.rthoni.com rthoni.com";
+  option domain-name-servers 10.15.100.1;
+
+  #option classless-routes 24, 10,15,42, 10.15.12,2;
+  #option classless-routes-win 24, 10,15,42, 10.15.12,2;
+
+  next-server 10.15.100.2;
+  if exists user-class and ( option user-class = "iPXE-rthoni" ) {
+    filename "http://netboot/boot.ipxe";
+  }
+  else {
+    filename "ipxe-rthoni.kpxe";
+  }
+  option root-path "10.15.100.1:/pxeroot/ubuntu";
+
+}
+

tftpd/run.sh

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+#! /usr/bin/env bash
+
+. /common.sh
+
+replace_files
+
+exec xinetd -dontfork

tftpd/vars-files

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+tftp /etc/xinetd.d/tftp

tftpd/vars-vars

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+DNS_HOST_ROUTER
+IP_HOST8ROUTER

tftpd/xinetd.tftp.conf

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+service tftp
+  {
+    disable             = no
+    socket_type = dgram
+    wait                = yes
+    user                = root
+    server              = /usr/sbin/in.tftpd
+    server_args = /srv/tftp/
+  }

update_vars.sh

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+#! /usr/bin/env sh
+
+vars=$(cat env | cut -d= -f1)
+for docker in isc-dhcp tftpd
+do
+  echo "${vars}" > "./${docker}/vars-vars"
+done