| 1 | #@file ogfunctions.lib |
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| 2 | #@brief Librería o clase para la generación del 1erFS |
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| 3 | #@class client |
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| 4 | #@brief Funciones para la generación del primers sistema (initrd) |
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| 5 | #@version 0.91 |
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| 6 | #@warning License: GNU GPLv3+ |
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| 7 | |
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| 8 | |
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| 9 | |
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| 10 | |
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| 11 | ogExportKernelParameters () |
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| 12 | { |
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| 13 | GLOBAL="cat /proc/cmdline" |
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| 14 | for i in `${GLOBAL}` |
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| 15 | do |
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| 16 | echo $i | grep "=" > /dev/null && export $i |
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| 17 | done |
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| 18 | return 0 |
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| 19 | } |
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| 20 | |
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| 21 | ogExportVarEnvironment () |
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| 22 | { |
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| 23 | export CFGINITRD="/tmp/initrd.cfg" |
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| 24 | echo "puntos de accesos al servidor ogprotocol=nfs" >> $CFGINITRD |
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| 25 | export NFSROOTBOOT="/var/lib/tftpboot" && echo "NFSROOTBOOT=$NFSROOTBOOT" >> $CFGINITRD |
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| 26 | export NFSCLIENTDIR="/opt/opengnsys/client" && echo "NFSCLIENDIR=$NFSCLIENTDIR" >> $CFGINITRD |
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| 27 | export NFSLOGDIR="/opt/opengnsys/log/clients" && echo "NFSLOGDIR=$NFSLOGDIR" >> $CFGINITRD |
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| 28 | export NFSIMGDIR="/opt/opengnsys/images" && echo "NFSIMGDIR=$NFSIMGDIR" >> $CFGINITRD |
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| 29 | echo "puntos de accesos al servidor ogprotocol=smb" >> $CFGINITRD |
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| 30 | export SMBROOTBOOT="tftpboot" && echo "SMBROOTBOOT=$SMBROOTBOOT" >> $CFGINITRD |
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| 31 | export SMBCLIENTDIR="ogclient" && echo "SMBCLIENTDIR=$SMBCLIENTDIR" >> $CFGINITRD |
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| 32 | export SMBLOGDIR="oglog" && echo "SMBLOGDIR=$SMBLOGDIR" >> $CFGINITRD |
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| 33 | export SMBIMGDIR="ogimages" && echo "SMBIMGDIR=$SMBIMGDIR" >> $CFGINITRD |
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| 34 | |
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| 35 | echo "puntos de montaje local para los contenedores" >> $CFGINITRD |
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| 36 | export LOCALROOTBOOT="/opt/og2fs/tftpboot" && echo "LOCALROOTBOOT=$LOCALROOTBOOT" >> $CFGINITRD |
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| 37 | export LOCALCLIENTDIR="/opt/opengnsys" && echo "LOCALCLIENTDIR=$LOCALCLIENTDIR" >> $CFGINITRD |
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| 38 | export LOCALLOGDIR="/opt/opengnsys/log" && echo "LOCALLOGDIR=$LOCALLOGDIR" >> $CFGINITRD |
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| 39 | export LOCALIMGDIR="/opt/opengnsys/images" && echo "LOCALIMGDIR=$LOCALIMGDIR" >> $CFGINITRD |
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| 40 | |
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| 41 | echo "puntos de montajes para realizar la integración unionfs entre el initrd y el sistema root" >> $CFGINITRD |
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| 42 | #punto de montaje donde se accede al 2nd FS mediante loop |
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| 43 | export LOCALROOTIMG="/opt/og2fs/2ndfs" && echo "LOCALROOTIMG=$LOCALROOTIMG" >> $CFGINITRD |
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| 44 | #punto de montaje para unionfs |
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| 45 | export LOCALROOTRAM="/opt/og2fs/1stfs" && echo "LOCALROOTRAM=$LOCALROOTRAM" >> $CFGINITRD |
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| 46 | #punto de union entreo LOCALROOTIMG y LOCALROOTRAM |
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| 47 | export LOCALROOTUNION="/opt/og2fs/unionfs" && echo "LOCALROOTUNION=$LOCALROOTUNION" >> $CFGINITRD |
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| 48 | ##INFORMACION DE OTRAS VARIABLES OBTENDIAS EN OTRAS FUNCIONES. |
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| 49 | #ogGetROOTSERVER() ip del servidor pxe, valor obtenido automaticamente desde dhcpd. |
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| 50 | #IPV4DDR |
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| 51 | #IPV4BROADCAST |
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| 52 | #IPV4NETMASK |
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| 53 | #IPV4GATEWAY |
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| 54 | #DNS0 DNS1 |
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| 55 | #HOSTNAME |
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| 56 | #ROOTSERVER #ip del servidor pxe que ha servido el kernel |
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| 57 | #REPOSERVER=ogrepo -> ogConectROOTSERVER() ip del servidor de images para separar serviicios. |
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| 58 | return 0 |
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| 59 | } |
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| 60 | |
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| 61 | ogConfigureRamfs () |
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| 62 | { |
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| 63 | mkdir -p $LOCALROOTBOOT |
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| 64 | mkdir -p $LOCALROOTIMG |
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| 65 | mkdir -p $LOCALROOTRAM |
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| 66 | mkdir -p $LOCALROOTUNION |
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| 67 | } |
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| 68 | |
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| 69 | ogLoadNetModule () |
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| 70 | { |
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| 71 | #cargando netmodule |
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| 72 | if [ -n "$ognetmodule" ] |
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| 73 | then |
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| 74 | echo "Cargando modulo de red $netmodule" |
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| 75 | insmod `find /lib/modules/ -name ${netmodule}*` |
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| 76 | fi |
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| 77 | } |
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| 78 | |
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| 79 | |
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| 80 | ogPostConfigureFS() |
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| 81 | { |
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| 82 | # configuramos el /etc/hostname. |
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| 83 | echo $HOSTNAME > /etc/hostname |
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| 84 | |
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| 85 | #configuramos el /etc/hosts |
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| 86 | echo "127.0.0.1 localhost" > /etc/hosts |
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| 87 | echo "$IPV4ADDR $HOSTNAME" >> /etc/hosts |
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| 88 | |
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| 89 | #configuramos el host.conf |
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| 90 | echo "order hosts,bind" > /etc/host.conf |
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| 91 | echo "multi on" >> /etc/host.conf |
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| 92 | |
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| 93 | # configuramos el /etc/networks |
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| 94 | #read -e NETIP NETDEFAULT <<<$(route -n | grep eth0 | awk -F" " '{print $1}') |
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| 95 | NETIP=$(route -n | grep eth0 | awk -F" " '{print $1}') && NETIP=$(echo $NETIP | cut -f1 -d" ") |
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| 96 | echo "default 0.0.0.0" > /etc/networks |
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| 97 | echo "loopback 127.0.0.0" >> /etc/networks |
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| 98 | echo "link-local 169.254.0.0" >> /etc/networks |
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| 99 | echo "localnet $NETIP" >> /etc/networks |
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| 100 | #route |
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| 101 | |
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| 102 | #enlace si iniciamos desde cdrom |
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| 103 | # el cdrom lo monta en /opt/og2fs/tftpboot |
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| 104 | # y el sistema root sqfs en /opt/og2fs/2ndfs |
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| 105 | [ "$ogprotocol" == "cdrom" ] && ln -s /opt/og2fs/2ndfs/opt/opengnsys/* /opt/opengnsys/ |
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| 106 | |
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| 107 | } |
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| 108 | |
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| 109 | |
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| 110 | |
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| 111 | |
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| 112 | ogGetROOTSERVER () |
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| 113 | { |
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| 114 | # get nfs root from dhcp |
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| 115 | if [ "x${NFSROOT}" = "xauto" ]; then |
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| 116 | # check if server ip is part of dhcp root-path |
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| 117 | if [ "${ROOTPATH#*:}" = "${ROOTPATH}" ]; then |
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| 118 | NFSROOT=${ROOTSERVER}:${ROOTPATH} |
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| 119 | else |
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| 120 | NFSROOT=${ROOTPATH} |
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| 121 | fi |
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| 122 | |
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| 123 | # nfsroot=[<server-ip>:]<root-dir>[,<nfs-options>] |
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| 124 | elif [ -n "${NFSROOT}" ]; then |
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| 125 | # nfs options are an optional arg |
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| 126 | if [ "${NFSROOT#*,}" != "${NFSROOT}" ]; then |
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| 127 | NFSOPTS="-o ${NFSROOT#*,}" |
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| 128 | fi |
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| 129 | NFSROOT=${NFSROOT%%,*} |
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| 130 | if [ "${NFSROOT#*:}" = "$NFSROOT" ]; then |
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| 131 | NFSROOT=${ROOTSERVER}:${NFSROOT} |
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| 132 | fi |
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| 133 | fi |
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| 134 | export ROOTSERVER |
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| 135 | echo "ROOTSERVER=$ROOTSERVER" >> $CFGINITRD |
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| 136 | return 0 |
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| 137 | } |
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| 138 | |
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| 139 | ogConectROOTSERVER () |
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| 140 | { |
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| 141 | local OPTIONS |
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| 142 | #params a detectar |
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| 143 | if [ $ogrepo ] |
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| 144 | then |
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| 145 | # Validar si la ip es correcta |
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| 146 | ROOTREPO=$ogrepo |
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| 147 | else |
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| 148 | ROOTREPO=$ROOTSERVER |
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| 149 | fi |
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| 150 | |
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| 151 | case "$ogprotocol" in |
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| 152 | cdrom) |
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| 153 | echo "Montar imagen de CD-ROM" |
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| 154 | blkid /dev/s* |
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| 155 | mount -t iso9660 LABEL=ogClient $LOCALROOTBOOT |
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| 156 | ;; |
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| 157 | httfs) |
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| 158 | echo "protocolo httfs aun no soportado" |
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| 159 | ;; |
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| 160 | sshfs) |
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| 161 | echo "protocolo sshfs aun no soportado" |
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| 162 | ;; |
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| 163 | smb) |
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| 164 | echo "Preparando conexión con el Repositorio $ROOTSERVER por $ogprotocol" |
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| 165 | OPTIONS=" -o user=opengnsys,pass=og" |
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| 166 | mount.cifs //${ROOTSERVER}/${SMBCLIENTDIR} $LOCALCLIENTDIR $OPTIONS |
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| 167 | mount.cifs //${ROOTSERVER}/${SMBLOGDIR} $LOCALLOGDIR $OPTIONS |
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| 168 | mount.cifs //${ROOTSERVER}/${SMBROOTBOOT} $LOCALROOTBOOT $OPTIONS |
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| 169 | mount.cifs //${ROOTREPO}/${SMBIMGDIR} $LOCALIMGDIR ${OPTIONS},ro |
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| 170 | ;; |
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| 171 | nfs) |
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| 172 | echo "Preparando conexión con el Repositorio $ROOTSERVER por $ogprotocol" |
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| 173 | nfsmount -o nolock,ro $ROOTSERVER:$NFSCLIENTDIR $LOCALCLIENTDIR |
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| 174 | nfsmount -o nolock $ROOTSERVER:$NFSLOGDIR $LOCALLOGDIR |
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| 175 | nfsmount -o nolock $ROOTSERVER:$NFSROOTBOOT $LOCALROOTBOOT |
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| 176 | nfsmount -o nolock,ro $ROOTREPO:$NFSIMGDIR $LOCALIMGDIR |
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| 177 | ;; |
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| 178 | esac |
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| 179 | } |
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| 180 | |
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| 181 | ogMerge2ndFile() |
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| 182 | { |
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| 183 | if [ -f $LOCALROOTBOOT/ogclient/ogclient.sqfs ] |
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| 184 | then |
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| 185 | cat /proc/mounts > /tmp/mtab.preunion |
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| 186 | if [ "$og2nd" == "img" ] |
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| 187 | then |
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| 188 | #para acceder al img |
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| 189 | losetup /dev/loop0 $LOCALROOTBOOT/ogclient/ogclient.img -o 32256 |
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| 190 | mount /dev/loop0 $LOCALROOTIMG |
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| 191 | else |
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| 192 | ## para acceder al squashfs |
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| 193 | mount $LOCALROOTBOOT/ogclient/ogclient.sqfs $LOCALROOTIMG -t squashfs -o loop |
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| 194 | fi |
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| 195 | for i in etc var lib bin sbin usr root boot; do |
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| 196 | unionmount $i |
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| 197 | done |
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| 198 | cat /tmp/mtab.preunion > /etc/mtab |
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| 199 | else |
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| 200 | echo "Fichero imagen del cliente no encontrado" |
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| 201 | return 1 |
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| 202 | fi |
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| 203 | } |
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| 204 | |
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| 205 | |
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| 206 | unionmount() |
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| 207 | { |
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| 208 | tmpdir=/$1 #dir |
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| 209 | FUSE_OPT="-o default_permissions -o allow_other -o use_ino -o nonempty -o suid" |
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| 210 | UNION_OPT="-o cow -o noinitgroups" |
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| 211 | UBIN="unionfs-fuse" |
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| 212 | #UPATH="/unionfs" |
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| 213 | #LOCALROOTIMG="/opt/og2fs/2ndfs" |
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| 214 | #LOCALROOTRAM="/opt/og2fs/1stfs" #/unionfs/host #punto de montaje para unionfs |
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| 215 | #LOCALROOTUNION=/opt/og2fs/unionfs/" #/unionfs/union #punto de union entreo LOCALROOTIMG y LOCALROOTRAM |
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| 216 | #mkdir -p $LOCALROOTRAM #/unionfs/host |
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| 217 | #mkdir -p $LOCALROOTUNION #/unionfs/union |
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| 218 | mkdir -p $LOCALROOTRAM$tmpdir |
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| 219 | #mount --bind /$tmpdir $LOCALROOTRAM$tmpdir |
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| 220 | U1STDIR="${LOCALROOTRAM}${tmpdir}=RW" |
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| 221 | U2NDDIR="${LOCALROOTIMG}${tmpdir}=RO" |
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| 222 | UNIONDIR=$LOCALROOTUNION$tmpdir |
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| 223 | mkdir -p $UNIONDIR |
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| 224 | $UBIN $FUSE_OPT $UNION_OPT ${U1STDIR}:${U2NDDIR} $UNIONDIR |
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| 225 | mount --bind $UNIONDIR $tmpdir |
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| 226 | } |
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| 227 | |
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| 228 | |
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| 229 | unionmountOLD() |
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| 230 | { |
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| 231 | FUSE_OPT="-o default_permissions -o allow_other -o use_ino -o nonempty -o suid" |
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| 232 | UNION_OPT="-o cow -o noinitgroups" |
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| 233 | UPATH="/unionfs" |
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| 234 | UBIN="unionfs-fuse" |
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| 235 | mkdir -p /unionfs/host |
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| 236 | mkdir -p /unionfs/union |
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| 237 | dir=$1 |
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| 238 | mkdir -p /unionfs/host/$dir |
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| 239 | #mount --bind /$dir /unionfs/host/$dir |
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| 240 | mkdir -p /unionfs/union/$dir |
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| 241 | host="/unionfs/host/${dir}=RW" |
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| 242 | common="/opt/og2fs/${dir}=RO" |
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| 243 | $UBIN $FUSE_OPT $UNION_OPT ${host}:${common} /unionfs/union/$dir |
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| 244 | mount --bind /unionfs/union/$dir /$dir |
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| 245 | } |
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| 246 | |
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| 247 | ogconfigure_lo() |
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| 248 | { |
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| 249 | # for the portmapper we need localhost |
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| 250 | ifconfig lo 127.0.0.1 |
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| 251 | #/etc/init.d/portmap start |
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| 252 | } |
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| 253 | |
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| 254 | ogconfigure_networking() |
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| 255 | { |
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| 256 | echo "ogconfigure_networking: Buscando interfaz a configurar DEVICE" |
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| 257 | if [ -n "${BOOTIF}" ] |
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| 258 | then |
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| 259 | echo " variable BOOTIF exportada con pxelinux.0 con valor $BOOTIF" |
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| 260 | IP=$IPOPTS |
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| 261 | temp_mac=${BOOTIF#*-} |
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| 262 | # convert to typical mac address format by replacing "-" with ":" |
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| 263 | bootif_mac="" |
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| 264 | IFS='-' |
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| 265 | for x in $temp_mac ; do |
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| 266 | if [ -z "$bootif_mac" ]; then |
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| 267 | bootif_mac="$x" |
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| 268 | else |
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| 269 | bootif_mac="$x:$bootif_mac" |
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| 270 | fi |
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| 271 | done |
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| 272 | unset IFS |
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| 273 | # look for devices with matching mac address, and set DEVICE to |
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| 274 | # appropriate value if match is found. |
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| 275 | for device in /sys/class/net/* ; do |
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| 276 | if [ -f "$device/address" ]; then |
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| 277 | current_mac=$(cat "$device/address") |
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| 278 | if [ "$bootif_mac" = "$current_mac" ]; then |
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| 279 | DEVICE=${device##*/} |
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| 280 | break |
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| 281 | fi |
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| 282 | fi |
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| 283 | done |
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| 284 | else |
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| 285 | echo "variable BOOTIF no exportada, intentamos detectar que interfaz se ha iniciado" |
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| 286 | IP=$ip |
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| 287 | #TODO Detectar que interfaz se ha iniciado |
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| 288 | case ${IP} in |
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| 289 | none|off) |
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| 290 | return 0 |
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| 291 | ;; |
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| 292 | ""|on|any) |
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| 293 | # Bring up device |
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| 294 | DEVICE=eth0 |
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| 295 | ;; |
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| 296 | dhcp|bootp|rarp|both) |
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| 297 | DEVICE=eth0 |
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| 298 | ;; |
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| 299 | *) |
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| 300 | DEVICE=`echo $IP | cut -f6 -d:` |
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| 301 | ;; |
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| 302 | esac |
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| 303 | fi |
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| 304 | if [ -z "${DEVICE}" ]; then |
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| 305 | echo "variable DEVICE con valor $DEVICE no encontrada, llamamos de nuevo a ogconfigure_networking" |
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| 306 | ogconfigure_networking |
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| 307 | fi |
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| 308 | |
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| 309 | if [ -n "${DEVICE}" ] && [ -e /tmp/net-"${DEVICE}".conf ]; then |
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| 310 | echo "variable DEVICE con valor $DEVICE y fichero /tmp/net-$DEVICE encontrados" |
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| 311 | return 0 |
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| 312 | else |
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| 313 | echo "variable DEVICE con valor $DEVICE encontrada, procedemos a configurala y a crear el fichero /tmp/net-$DEVICE" |
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| 314 | fi |
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| 315 | |
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| 316 | # support ip options see linux sources |
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| 317 | # Documentation/filesystems/nfsroot.txt |
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| 318 | # Documentation/frv/booting.txt |
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| 319 | for ROUNDTTT in 2 3 4 6 9 16 25 36 64 100; do |
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| 320 | # The NIC is to be configured if this file does not exist. |
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| 321 | # Ip-Config tries to create this file and when it succeds |
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| 322 | # creating the file, ipconfig is not run again. |
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| 323 | if [ -e /tmp/net-"${DEVICE}".conf ]; then |
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| 324 | break; |
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| 325 | fi |
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| 326 | case ${IP} in |
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| 327 | none|off) |
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| 328 | return 0 |
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| 329 | ;; |
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| 330 | ""|on|any) |
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| 331 | # Bring up device |
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| 332 | echo "Setting $DEVICE with option:on|any and Variable IP= $IP: ipconfig -t ${ROUNDTTT} ${DEVICE} " |
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| 333 | ipconfig -t ${ROUNDTTT} ${DEVICE} |
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| 334 | ;; |
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| 335 | dhcp|bootp|rarp|both) |
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| 336 | echo "Setting $DEVICE with option:dhcp|bootp|rarp|both and Variable IP= $IP: ipconfig -t ${ROUNDTTT} -c ${IP} -d ${DEVICE} " |
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| 337 | ipconfig -t ${ROUNDTTT} -c ${IP} -d ${DEVICE} |
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| 338 | ;; |
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| 339 | *) |
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| 340 | echo "Setting $DEVICE with option * and Variable IP= $IP: ipconfig -t ${ROUNDTTT} -d $IP " |
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| 341 | ipconfig -t ${ROUNDTTT} -d $IP |
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| 342 | # grab device entry from ip option |
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| 343 | NEW_DEVICE=${IP#*:*:*:*:*:*} |
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| 344 | if [ "${NEW_DEVICE}" != "${IP}" ]; then |
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| 345 | NEW_DEVICE=${NEW_DEVICE%:*} |
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| 346 | else |
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| 347 | # wrong parse, possibly only a partial string |
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| 348 | NEW_DEVICE= |
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| 349 | fi |
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| 350 | if [ -n "${NEW_DEVICE}" ]; then |
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| 351 | DEVICE="${NEW_DEVICE}" |
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| 352 | fi |
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| 353 | ;; |
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| 354 | esac |
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| 355 | done |
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| 356 | |
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| 357 | # source ipconfig output |
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| 358 | if [ -n "${DEVICE}" ]; then |
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| 359 | . /tmp/net-${DEVICE}.conf |
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| 360 | DEVICECFG="/tmp/net-${DEVICE}" |
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| 361 | export DEVICECFG |
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| 362 | export DEVICE |
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| 363 | echo "DEVICE=$DEVICE" >> $CFGINITRD |
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| 364 | echo "DEVICECFG=$DEVICECFG" >> $CFGINITRD |
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| 365 | echo "exportando variable DEVICE con valor = $DEVICE y el DEVICECFG con valor $DEVICECFG" |
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| 366 | else |
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| 367 | # source any interface as not exaclty specified |
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| 368 | . /tmp/net-*.conf |
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| 369 | fi |
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| 370 | } |
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| 371 | |
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| 372 | ##################################################################### |
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| 373 | # Ask yesno question. |
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| 374 | # |
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| 375 | # Usage: yesno OPTIONS QUESTION |
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| 376 | # |
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| 377 | # Options: |
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| 378 | # --timeout N Timeout if no input seen in N seconds. |
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| 379 | # --default ANS Use ANS as the default answer on timeout or |
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| 380 | # if an empty answer is provided. |
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| 381 | # |
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| 382 | # Exit status is the answer. 0=yes 1=no |
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| 383 | |
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| 384 | ogYesNo() |
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| 385 | { |
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| 386 | local ans |
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| 387 | local ok=0 |
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| 388 | local timeout=0 |
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| 389 | local default |
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| 390 | local t |
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| 391 | |
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| 392 | while [[ "$1" ]] |
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| 393 | do |
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| 394 | case "$1" in |
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| 395 | --default) |
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| 396 | shift |
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| 397 | default=$1 |
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| 398 | if [[ ! "$default" ]]; then error "Missing default value"; fi |
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| 399 | t=$(echo $default | tr '[:upper:]' '[:lower:]') |
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| 400 | |
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| 401 | if [[ "$t" != 'y' && "$t" != 'yes' && "$t" != 'n' && "$t" != 'no' ]]; then |
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| 402 | error "Illegal default answer: $default" |
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| 403 | fi |
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| 404 | default=$t |
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| 405 | shift |
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| 406 | ;; |
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| 407 | |
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| 408 | --timeout) |
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| 409 | shift |
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| 410 | timeout=$1 |
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| 411 | if [[ ! "$timeout" ]]; then error "Missing timeout value"; fi |
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| 412 | #if [[ ! "$timeout" =~ ^[0-9][0-9]*$ ]]; then error "Illegal timeout value: $timeout"; fi |
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| 413 | shift |
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| 414 | ;; |
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| 415 | |
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| 416 | -*) |
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| 417 | error "Unrecognized option: $1" |
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| 418 | ;; |
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| 419 | |
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| 420 | *) |
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| 421 | break |
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| 422 | ;; |
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| 423 | esac |
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| 424 | done |
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| 425 | |
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| 426 | if [[ $timeout -ne 0 && ! "$default" ]]; then |
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| 427 | error "Non-zero timeout requires a default answer" |
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| 428 | fi |
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| 429 | |
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| 430 | if [[ ! "$*" ]]; then error "Missing question"; fi |
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| 431 | |
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| 432 | while [[ $ok -eq 0 ]] |
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| 433 | do |
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| 434 | if [[ $timeout -ne 0 ]]; then |
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| 435 | if ! read -t $timeout -p "$*" ans; then |
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| 436 | ans=$default |
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| 437 | else |
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| 438 | # Turn off timeout if answer entered. |
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| 439 | timeout=0 |
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| 440 | if [[ ! "$ans" ]]; then ans=$default; fi |
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| 441 | fi |
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| 442 | else |
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| 443 | read -p "$*" ans |
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| 444 | if [[ ! "$ans" ]]; then |
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| 445 | ans=$default |
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| 446 | else |
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| 447 | ans=$(echo $ans | tr '[:upper:]' '[:lower:]') |
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| 448 | fi |
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| 449 | fi |
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| 450 | |
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| 451 | if [[ "$ans" == 'y' || "$ans" == 'yes' || "$ans" == 'n' || "$ans" == 'no' ]]; then |
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| 452 | ok=1 |
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| 453 | fi |
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| 454 | |
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| 455 | if [[ $ok -eq 0 ]]; then warning "Valid answers are: yes y no n"; fi |
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| 456 | done |
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| 457 | [[ "$ans" = "y" || "$ans" == "yes" ]] |
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| 458 | } |
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| 459 | |
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| 460 | |
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