fdio.infra.pxe/docker-dnsmasq/Dockerfile

   1 FROM ubuntu:20.04 as ubuntu_focal
   2
   3 LABEL Description="ubuntu intermediate image"
   4 LABEL Version="2.0"
   5
   6 RUN apt update \
   7  && apt install -y wget genisoimage syslinux-common \
   8  && mkdir -p /var/lib/tftpboot/grub \
   9  && mkdir -p /var/lib/tftpboot/casper/ubuntu-focal-amd64/ \
  10  && mkdir -p /var/lib/tftpboot/casper/ubuntu-focal-arm64/ \
  11  && mkdir -p /var/lib/tftpboot/casper/ubuntu-bionic-amd64/
  12
  13 ENV ISO_FOCAL_AMD64 https://releases.ubuntu.com/20.04.4/ubuntu-20.04.4-live-server-amd64.iso
  14 ENV ISO_FOCAL_ARM64 https://cdimage.ubuntu.com/releases/20.04/release/ubuntu-20.04.4-live-server-arm64.iso
  15 ENV ISO_BIONIC_AMD64 https://releases.ubuntu.com/18.04.5/ubuntu-18.04.5-live-server-amd64.iso
  16 ENV EFI_FOCAL_AMD64 http://archive.ubuntu.com/ubuntu/dists/focal/main/uefi/grub2-amd64/current/grubnetx64.efi.signed
  17 ENV EFI_FOCAL_ARM64 http://ports.ubuntu.com/ubuntu-ports/dists/focal/main/uefi/grub2-arm64/current/grubnetaa64.efi.signed
  18 ENV EFI_BIONIC_AMD64 http://archive.ubuntu.com/ubuntu/dists/bionic/main/uefi/grub2-amd64/current/grubnetx64.efi.signed
  19
  20 RUN echo "Preparing Grub EFI Binary" \
  21  && wget $EFI_BIONIC_AMD64 -O /var/lib/tftpboot/grub/grubnetx64.efi.signed \
  22  && wget $EFI_FOCAL_ARM64 -O /var/lib/tftpboot/grub/grubnetaa64.efi.signed
  23
  24 RUN echo "Preparing Casper Kernel" \
  25  && wget $ISO_FOCAL_AMD64 -O /ubuntu-20.04.4-live-server-amd64.iso \
  26  && isoinfo -i /ubuntu-20.04.4-live-server-amd64.iso -x "/CASPER/INITRD.;1" > /var/lib/tftpboot/casper/ubuntu-focal-amd64/initrd \
  27  && isoinfo -i /ubuntu-20.04.4-live-server-amd64.iso -x "/CASPER/VMLINUZ.;1" > /var/lib/tftpboot/casper/ubuntu-focal-amd64/vmlinuz\
  28  && wget $ISO_FOCAL_ARM64 -O /ubuntu-20.04.4-live-server-arm64.iso \
  29  && isoinfo -i /ubuntu-20.04.4-live-server-arm64.iso -x "/CASPER/INITRD.;1" > /var/lib/tftpboot/casper/ubuntu-focal-arm64/initrd \
  30  && isoinfo -i /ubuntu-20.04.4-live-server-arm64.iso -x "/CASPER/VMLINUZ.;1" > /var/lib/tftpboot/casper/ubuntu-focal-arm64/vmlinuz \
  31  && wget $ISO_BIONIC_AMD64 -O /ubuntu-18.04.5-live-server-amd64.iso \
  32  && isoinfo -i /ubuntu-18.04.5-live-server-amd64.iso -x "/CASPER/INITRD.;1" > /var/lib/tftpboot/casper/ubuntu-bionic-amd64/initrd \
  33  && isoinfo -i /ubuntu-18.04.5-live-server-amd64.iso -x "/CASPER/VMLINUZ.;1" > /var/lib/tftpboot/casper/ubuntu-bionic-amd64/vmlinuz
  34
  35
  36 FROM alpine
  37
  38 LABEL Description="dnsmasq service image"
  39 LABEL Version="2.0"
  40
  41 RUN apk add --update --no-cache dnsmasq \
  42  && rm -rf /var/cache/apk/*
  43
  44 # Extract installer from previous image.
  45 COPY --from=ubuntu_focal /var/lib/tftpboot /var/lib/tftpboot
  46
  47 # Configure PXE.
  48 COPY tftpboot/ /var/lib/tftpboot/
  49
  50 # Configure DNSMASQ.
  51 COPY etc/ /etc/
  52
  53 # Start dnsmasq. It picks up default configuration from /etc/dnsmasq.conf and
  54 # /etc/default/dnsmasq plus any command line switch
  55 ENTRYPOINT ["sh","-c","dnsmasq","--interface=$E_INT","--listen-address=$E_ADD"]