projects:livenet:server

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projects:livenet:server [2018/03/12 23:37] – nicolaprojects:livenet:server [2018/03/13 00:26] – nicola
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-===== Software richiesto =====+===== Requirements =====
 ** HW**: 2 nic device ** HW**: 2 nic device
  
-**Sistema operativo**: Ubuntu server 17.10+**OS**: Ubuntu server 17.10
  
 <code>apt install bash debootstrap schroot syslinux nfs-kernel-server tftpd-hpa xorriso pigz  zfsutils-linux</code> <code>apt install bash debootstrap schroot syslinux nfs-kernel-server tftpd-hpa xorriso pigz  zfsutils-linux</code>
  
-**software facoltativo ma usato nel test**+**Optional config**
  
 <code>apt install isc-dhcp-server </code> <code>apt install isc-dhcp-server </code>
-===== Preparazione ambiente livenet =====+ 
 +**network config ** 
 +nano /etc/netplan/01-netcfg.yaml  
 + 
 +<code> 
 +# This file describes the network interfaces available on your system 
 +# For more information, see netplan(5). 
 +network: 
 +  version: 2 
 +  renderer: networkd 
 +  ethernets: 
 +    ens3: 
 +      dhcp4: no 
 +      addresses: [10.1.22.2/24] 
 +      gateway4: 192.168.122.1 
 +      nameservers: 
 +        addresses: [8.8.8.8,8.8.4.4] 
 +    ens4: 
 +      dhcp4: yes 
 + 
 + 
 + 
 +</code> 
 + 
 +<code>netplan apply</code> 
 +===== Build livenet environment =====
 ==== Preparazione dell'ambiente zfs ==== ==== Preparazione dell'ambiente zfs ====
  
Line 17: Line 42:
  
 Download package  git clone https://github.com/scipioni/livenet-server.git Download package  git clone https://github.com/scipioni/livenet-server.git
 +edit /etc/default/livenet like this
 +
 +<code>
 +# folder that contains livenet system
 +BASE=/livenet
 +IMAGES=${BASE}/images
 +BOOT=${BASE}/boot
 +</code>
 +
 +==== Trivial FTP ====
 +edit /etc/default/tftp-hpa
 +<code>
 +TFTP_USERNAME="tftp"
 +TFTP_DIRECTORY="/zfsp_livenet/boot"
 +TFTP_ADDRESS="0.0.0.0:69"
 +TFTP_OPTIONS="--secure"
 +</code>
 +
 +<code>mkdir /livenet/boot/pxelinux.cfg
 +
 +cp -a /usr/lib/syslinux/* /livenet/boot
 +
 +cp /livenet/boot/modules/efi64/* /livenet/boot </code>
 +
 +edit /livenet/boot/pxelinux.cfg/default
 +<code>
 +default menu.c32
 +prompt 0
 +#timeout 100
 +
 +menu title PXE Special Boot Menu
 +MENU AUTOBOOT Starting Livenet in # seconds
 +
 +label bootlocal
 +   menu label ^Boot local disk
 +   menu default
 +   localboot 0
 +
 +label nfs
 +   menu label Ubuntu 18.04 - diskless
 +   kernel /bionic/kernel
 +   append initrd=/bionic/initrd ro livenet_root=10.1.22.2:/zfsp_livenet/images/bionic livenet_profile=default
 +
 +label nfs
 +   menu label Ubuntu 14.04 - install
 +   kernel /trusty/kernel
 +   append initrd=/trusty/initrd ro livenet_root=10.0.254.240:/images/trusty livenet_profile=default livenet_action=install livenet_action_end=reboot
 +
 +</code>
 +
 +
 +
 +
 +
 +
 +===== BUILD IMAGE CLIENT ====
 +zfs create livenet/images/bionic
 +debootstrap --arch amd64 bionic /zfsp_livenet/images/bionic/ http://archive.ubuntu.com/ubuntu
 +
 +cd /livenet/images
 +run ....
 +<code>
 +R=bionic
 +cat > ${R}/etc/hosts <<QWK
 +127.0.0.1   localhost livenet-host
 +::1     localhost ip6-localhost ip6-loopback
 +ff02::1     ip6-allnodes
 +ff02::2     ip6-allrouters
 +QWK
 +
 +chroot ${R} lsb_release -c | awk '{print $2}' > ${R}/etc/debian_chroot
 +chroot bionic/
 +chroot ${R} apt-get -y -q install locales dialog
 +chroot ${R} locale-gen en_GB.UTF-8
 +chroot ${R} locale-gen it_IT.UTF-8
 +chroot ${R} update-locale LANG=it_IT.UTF-8 LANGUAGE=it:en_US:en
 +echo Europe/Rome > ${R}/etc/timezone
 +cp ${R}/usr/share/zoneinfo/Europe/Rome ${R}/etc/localtime
 +cat > ${R}/usr/sbin/policy-rc.d <<QWE
 +#!/bin/sh
 +
 +# dpkg/apt not start any daemons when things are installed in the chroot
 +
 +if [ ! "\\\`cat /etc/hostname\\\`" = "\\\`hostname\\\`" ]; then
 +    exit 101
 +fi
 +QWE
 +
 +chmod +x ${R}/usr/sbin/policy-rc.d
 +</code>
 +
 +<code>mount --bind /zfsp_livenet/images/bionic/boot/ /zfsp_livenet/boot/bionic</code>
 +
 +<code>
 +DISTR=bionic
 +
 +cat > /etc/apt/sources.list <<QWE
 +#############################################################
 +################### OFFICIAL UBUNTU REPOS ###################
 +#############################################################
 +###### Ubuntu Main Repos
 +deb http://archive.ubuntu.com/ubuntu/ ${DISTR} main restricted universe multiverse 
 +###### Ubuntu Update Repos
 +deb http://archive.ubuntu.com/ubuntu/ ${DISTR}-security main restricted universe multiverse 
 +deb http://archive.ubuntu.com/ubuntu/ ${DISTR}-updates main restricted universe multiverse 
 +deb http://archive.ubuntu.com/ubuntu/ ${DISTR}-proposed main restricted universe multiverse 
 +deb http://archive.ubuntu.com/ubuntu/ ${DISTR}-backports main restricted universe multiverse 
 +###### Ubuntu Partner Repo
 +deb http://archive.canonical.com/ubuntu ${DISTR} partner
 +QWE
 +</code>
 +
 +<code>
 +apt update apt -y upgrade
 +apt -y install initramfs-tools  python-passlib pv screen byobu lsof pigz rsync nfs-common libpam-script xloadimage conntrack
 +</code>
 +
 +==== install livenet client package ====
 +<code>
 +git clone  https://github.com/scipioni/livenet-client.git
 +mv .git /
 +git status
 +find / -maxdepth 1 > .gitignore
 +
 +</code>
 +inside git directory
 +<code>rsync -avb etc/ /etc/
 +rsync -avb usr/ /usr/
 +apt-get -y install linux-generic
 +</code>
 +
 +==== etc/initramfs-tools/hooks/livenet ====
 +<code>
 +#!/bin/sh -e
 +# initramfs hook for livenet
 +#set -x
 +PREREQ=""
 +
 +# Output pre-requisites
 +prereqs()
 +{
 +       echo "$PREREQ"
 +}
 +
 +case "$1" in
 +    prereqs)
 +       prereqs
 +       exit 0
 +       ;;
 +esac
 +
 +. /usr/share/initramfs-tools/hook-functions
 +
 +rm ${DESTDIR}/bin/cpio # importante! altrimenti rimane un cpio troppo semplificato
 +copy_exec /bin/cpio /bin
 +
 +mkdir -p ${DESTDIR}/conf
 +cp /etc/livenet/livenet.conf ${DESTDIR}/conf
 +[ -f /etc/livenet/livenet.conf.override ] && cp /etc/livenet/livenet.conf.override ${DESTDIR}/conf
 +cp /etc/initramfs-tools/scripts/functions-livenet ${DESTDIR}/conf
 +
 +manual_add_modules aufs
 +manual_add_modules overlayfs
 +auto_add_modules net
 +auto_add_modules nfsv4
 +
 +# pulizia di firmware non necessario e pesante
 +set +e
 +rm -f ${DESTDIR}/lib/firmware/* >/dev/null 2>&1
 +set -e
 +
 +### qui sotto andrebbe commentato in produzione ###
 +
 +# tastiera italiana in initram
 +# attivata da do_debug_shell (loadkeys /etc/boottime.kmap.gz)
 +#cp -au /etc/console-setup/cached.kmap.gz ${DESTDIR}/etc/boottime.kmap.gz
 +
 +# nfs4
 +#copy_exec /usr/sbin/rpc.idmapd /bin
 +#copy_exec /sbin/mount.nfs /bin
 +#cp -au /etc/netconfig ${DESTDIR}/etc/netconfig
 +
 +#cat > ${DESTDIR}/etc/passwd <<EOF
 +#nobody::65534:65534:nobody:/nonexistent:/bin/sh
 +#EOF
 +#cat > ${DESTDIR}/etc/group <<EOF
 +#nogroup:x:65534:
 +#EOF
  
 +# debug purpose ################
 +# ricordati di mettere FRAMEBUFFER=n in /etc/initramfs-tools/conf.d/splash
 +#copy_exec /sbin/ifconfig
 +#copy_exec /sbin/lsmod /bin
 +#copy_exec /usr/bin/lspci /bin
 +#################################
  
 +# wireless #####################
 +#copy_exec /sbin/iwconfig
 +#copy_exec /sbin/iwlist
 +#copy_exec /sbin/iwpriv
 +#copy_exec /sbin/iwevent
 +#copy_exec /sbin/iwgetid
 +#copy_exec /sbin/iwspy
 +#copy_exec /usr/sbin/rfkill
 +#cp -au /lib/firmware/iwl*-[13].ucode ${DESTDIR}/lib/firmware
 +#################################
 +</code>
  
 +===Rebuild initramfs image ===
 +ln-mng --kernel
  
 ===== DHCP ===== ===== DHCP =====
  • projects/livenet/server.txt
  • Last modified: 2018/03/21 11:56
  • by scipio