fdio.infra.pxe/docker-dnsmasq/Dockerfile

   1 FROM ubuntu:22.04 as ubuntu_jammy
   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/grub/fonts \
  10  && mkdir -p /var/lib/tftpboot/casper/ubuntu-jammy-amd64/ \
  11  && mkdir -p /var/lib/tftpboot/casper/ubuntu-jammy-arm64/
  12
  13 ENV ISO_JAMMY_AMD64 https://old-releases.ubuntu.com/releases/22.04.1/ubuntu-22.04.1-live-server-amd64.iso
  14 ENV ISO_JAMMY_ARM64 https://old-releases.ubuntu.com/releases/22.04.1/ubuntu-22.04.1-live-server-arm64.iso
  15 ENV EFI_JAMMY_AMD64 http://archive.ubuntu.com/ubuntu/dists/jammy/main/uefi/grub2-amd64/current/grubnetx64.efi.signed
  16 ENV EFI_JAMMY_ARM64 http://ports.ubuntu.com/ubuntu-ports/dists/jammy/main/uefi/grub2-arm64/current/grubnetaa64.efi.signed
  17
  18 RUN echo "Preparing Grub EFI Binary" \
  19  && wget $EFI_JAMMY_AMD64 -O /var/lib/tftpboot/grubx64.efi \
  20  && wget $EFI_JAMMY_ARM64 -O /var/lib/tftpboot/grubaa64.efi \
  21  && apt download shim-signed \
  22  && dpkg-deb --fsys-tarfile shim-signed*deb | tar x ./usr/lib/shim/shimx64.efi.signed.latest -O > /var/lib/tftpboot/bootx64.efi \
  23  && apt download grub-common \
  24  && dpkg-deb --fsys-tarfile grub-common*deb | tar x ./usr/share/grub/unicode.pf2 -O > /var/lib/tftpboot/grub/fonts/unicode.pf2
  25
  26 RUN echo "Preparing Casper Kernel" \
  27  && wget $ISO_JAMMY_AMD64 -O /ubuntu-22.04.1-live-server-amd64.iso \
  28  && isoinfo -i /ubuntu-22.04.1-live-server-amd64.iso -x "/CASPER/INITRD.;1" > /var/lib/tftpboot/casper/ubuntu-jammy-amd64/initrd \
  29  && isoinfo -i /ubuntu-22.04.1-live-server-amd64.iso -x "/CASPER/VMLINUZ.;1" > /var/lib/tftpboot/casper/ubuntu-jammy-amd64/vmlinuz \
  30  && wget $ISO_JAMMY_ARM64 -O /ubuntu-22.04.1-live-server-arm64.iso \
  31  && isoinfo -i /ubuntu-22.04.1-live-server-arm64.iso -x "/CASPER/INITRD.;1" > /var/lib/tftpboot/casper/ubuntu-jammy-arm64/initrd \
  32  && isoinfo -i /ubuntu-22.04.1-live-server-arm64.iso -x "/CASPER/VMLINUZ.;1" > /var/lib/tftpboot/casper/ubuntu-jammy-arm64/vmlinuz
  33
  34 FROM alpine
  35
  36 LABEL Description="dnsmasq service image"
  37 LABEL Version="2.0"
  38
  39 RUN apk add --update --no-cache dnsmasq \
  40  && rm -rf /var/cache/apk/*
  41
  42 # Extract installer from previous image.
  43 COPY --from=ubuntu_jammy /var/lib/tftpboot /var/lib/tftpboot
  44
  45 # Configure PXE.
  46 COPY tftpboot/ /var/lib/tftpboot/
  47
  48 # Configure DNSMASQ.
  49 COPY etc/ /etc/
  50
  51 # Start dnsmasq. It picks up default configuration from /etc/dnsmasq.conf and
  52 # /etc/default/dnsmasq plus any command line switch
  53 ENTRYPOINT ["sh","-c","dnsmasq","--interface=$E_INT","--listen-address=$E_ADD"]