| [58828de] | 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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| [bba10c8] | 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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| [58828de] | 34 | |
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| [bba10c8] | 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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| [58828de] | 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 $NETIP" >> /etc/networks |
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| 100 | #route |
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| [afeb76b] | 101 | |
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| [971c33f] | 102 | #enlace si iniciamos desde ogprotocolo=local { cdrom, usb, cache } . |
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| 103 | # monta el raiz del dispositivo local en /opt/og2fs/tftpboot - acceso al fichero .sqfs |
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| 104 | # y monta el sistema root sqfs en /opt/og2fs/2ndfs |
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| 105 | [ "$LOCALMEDIA" == "CACHE" ] && ln -s /opt/og2fs/tftpboot /opt/opengnsys/cache |
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| 106 | [ "$ogprotocol" == "local" ] && ln -s /opt/og2fs/2ndfs/opt/opengnsys/* /opt/opengnsys/ |
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| 107 | |
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| [afeb76b] | 108 | |
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| [58828de] | 109 | } |
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| 110 | |
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| 111 | |
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| 112 | |
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| 113 | |
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| 114 | ogGetROOTSERVER () |
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| 115 | { |
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| 116 | # get nfs root from dhcp |
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| 117 | if [ "x${NFSROOT}" = "xauto" ]; then |
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| 118 | # check if server ip is part of dhcp root-path |
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| 119 | if [ "${ROOTPATH#*:}" = "${ROOTPATH}" ]; then |
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| 120 | NFSROOT=${ROOTSERVER}:${ROOTPATH} |
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| 121 | else |
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| 122 | NFSROOT=${ROOTPATH} |
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| 123 | fi |
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| 124 | |
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| 125 | # nfsroot=[<server-ip>:]<root-dir>[,<nfs-options>] |
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| 126 | elif [ -n "${NFSROOT}" ]; then |
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| 127 | # nfs options are an optional arg |
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| 128 | if [ "${NFSROOT#*,}" != "${NFSROOT}" ]; then |
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| 129 | NFSOPTS="-o ${NFSROOT#*,}" |
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| 130 | fi |
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| 131 | NFSROOT=${NFSROOT%%,*} |
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| 132 | if [ "${NFSROOT#*:}" = "$NFSROOT" ]; then |
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| 133 | NFSROOT=${ROOTSERVER}:${NFSROOT} |
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| 134 | fi |
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| 135 | fi |
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| 136 | export ROOTSERVER |
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| [bba10c8] | 137 | echo "ROOTSERVER=$ROOTSERVER" >> $CFGINITRD |
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| [58828de] | 138 | return 0 |
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| 139 | } |
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| 140 | |
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| 141 | ogConectROOTSERVER () |
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| 142 | { |
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| 143 | local OPTIONS |
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| 144 | #params a detectar |
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| 145 | if [ $ogrepo ] |
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| 146 | then |
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| 147 | # Validar si la ip es correcta |
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| 148 | ROOTREPO=$ogrepo |
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| 149 | else |
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| 150 | ROOTREPO=$ROOTSERVER |
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| 151 | fi |
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| 152 | |
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| 153 | case "$ogprotocol" in |
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| [971c33f] | 154 | local) |
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| 155 | echo "Montar imagen del sistema root desde dispositivo local" |
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| 156 | for i in $(blkid /dev/s* | grep ogClient | awk -F: '{print $2}' | tr -d \"); do export $i; done |
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| 157 | mount -t $TYPE LABEL=$LABEL $LOCALROOTBOOT |
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| 158 | if [ $? != 0 ] |
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| 159 | then |
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| 160 | mount -t reiserfs LABEL=CACHE $LOCALROOTBOOT |
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| 161 | export LOCALMEDIA=CACHE |
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| 162 | fi |
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| [58828de] | 163 | ;; |
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| 164 | httfs) |
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| 165 | echo "protocolo httfs aun no soportado" |
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| 166 | ;; |
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| 167 | sshfs) |
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| 168 | echo "protocolo sshfs aun no soportado" |
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| 169 | ;; |
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| 170 | smb) |
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| 171 | echo "Preparando conexión con el Repositorio $ROOTSERVER por $ogprotocol" |
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| 172 | OPTIONS=" -o user=opengnsys,pass=og" |
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| 173 | mount.cifs //${ROOTSERVER}/${SMBCLIENTDIR} $LOCALCLIENTDIR $OPTIONS |
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| 174 | mount.cifs //${ROOTSERVER}/${SMBLOGDIR} $LOCALLOGDIR $OPTIONS |
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| 175 | mount.cifs //${ROOTSERVER}/${SMBROOTBOOT} $LOCALROOTBOOT $OPTIONS |
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| 176 | mount.cifs //${ROOTREPO}/${SMBIMGDIR} $LOCALIMGDIR ${OPTIONS},ro |
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| 177 | ;; |
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| 178 | nfs) |
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| 179 | echo "Preparando conexión con el Repositorio $ROOTSERVER por $ogprotocol" |
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| 180 | nfsmount -o nolock,ro $ROOTSERVER:$NFSCLIENTDIR $LOCALCLIENTDIR |
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| 181 | nfsmount -o nolock $ROOTSERVER:$NFSLOGDIR $LOCALLOGDIR |
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| 182 | nfsmount -o nolock $ROOTSERVER:$NFSROOTBOOT $LOCALROOTBOOT |
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| 183 | nfsmount -o nolock,ro $ROOTREPO:$NFSIMGDIR $LOCALIMGDIR |
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| 184 | ;; |
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| 185 | esac |
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| 186 | } |
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| 187 | |
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| 188 | ogMerge2ndFile() |
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| 189 | { |
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| 190 | if [ -f $LOCALROOTBOOT/ogclient/ogclient.sqfs ] |
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| 191 | then |
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| 192 | cat /proc/mounts > /tmp/mtab.preunion |
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| 193 | if [ "$og2nd" == "img" ] |
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| 194 | then |
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| 195 | #para acceder al img |
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| 196 | losetup /dev/loop0 $LOCALROOTBOOT/ogclient/ogclient.img -o 32256 |
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| 197 | mount /dev/loop0 $LOCALROOTIMG |
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| 198 | else |
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| 199 | ## para acceder al squashfs |
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| 200 | mount $LOCALROOTBOOT/ogclient/ogclient.sqfs $LOCALROOTIMG -t squashfs -o loop |
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| 201 | fi |
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| 202 | for i in etc var lib bin sbin usr root boot; do |
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| 203 | unionmount $i |
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| 204 | done |
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| 205 | cat /tmp/mtab.preunion > /etc/mtab |
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| 206 | else |
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| 207 | echo "Fichero imagen del cliente no encontrado" |
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| 208 | return 1 |
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| 209 | fi |
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| 210 | } |
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| 211 | |
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| 212 | |
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| 213 | unionmount() |
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| 214 | { |
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| 215 | tmpdir=/$1 #dir |
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| 216 | FUSE_OPT="-o default_permissions -o allow_other -o use_ino -o nonempty -o suid" |
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| 217 | UNION_OPT="-o cow -o noinitgroups" |
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| 218 | UBIN="unionfs-fuse" |
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| 219 | #UPATH="/unionfs" |
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| 220 | #LOCALROOTIMG="/opt/og2fs/2ndfs" |
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| 221 | #LOCALROOTRAM="/opt/og2fs/1stfs" #/unionfs/host #punto de montaje para unionfs |
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| 222 | #LOCALROOTUNION=/opt/og2fs/unionfs/" #/unionfs/union #punto de union entreo LOCALROOTIMG y LOCALROOTRAM |
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| 223 | #mkdir -p $LOCALROOTRAM #/unionfs/host |
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| 224 | #mkdir -p $LOCALROOTUNION #/unionfs/union |
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| 225 | mkdir -p $LOCALROOTRAM$tmpdir |
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| 226 | #mount --bind /$tmpdir $LOCALROOTRAM$tmpdir |
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| 227 | U1STDIR="${LOCALROOTRAM}${tmpdir}=RW" |
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| 228 | U2NDDIR="${LOCALROOTIMG}${tmpdir}=RO" |
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| 229 | UNIONDIR=$LOCALROOTUNION$tmpdir |
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| 230 | mkdir -p $UNIONDIR |
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| 231 | $UBIN $FUSE_OPT $UNION_OPT ${U1STDIR}:${U2NDDIR} $UNIONDIR |
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| 232 | mount --bind $UNIONDIR $tmpdir |
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| 233 | } |
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| 234 | |
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| 235 | |
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| 236 | unionmountOLD() |
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| 237 | { |
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| 238 | FUSE_OPT="-o default_permissions -o allow_other -o use_ino -o nonempty -o suid" |
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| 239 | UNION_OPT="-o cow -o noinitgroups" |
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| 240 | UPATH="/unionfs" |
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| 241 | UBIN="unionfs-fuse" |
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| 242 | mkdir -p /unionfs/host |
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| 243 | mkdir -p /unionfs/union |
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| 244 | dir=$1 |
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| 245 | mkdir -p /unionfs/host/$dir |
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| 246 | #mount --bind /$dir /unionfs/host/$dir |
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| 247 | mkdir -p /unionfs/union/$dir |
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| 248 | host="/unionfs/host/${dir}=RW" |
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| 249 | common="/opt/og2fs/${dir}=RO" |
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| 250 | $UBIN $FUSE_OPT $UNION_OPT ${host}:${common} /unionfs/union/$dir |
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| 251 | mount --bind /unionfs/union/$dir /$dir |
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| 252 | } |
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| 253 | |
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| 254 | ogconfigure_lo() |
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| 255 | { |
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| 256 | # for the portmapper we need localhost |
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| 257 | ifconfig lo 127.0.0.1 |
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| 258 | #/etc/init.d/portmap start |
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| 259 | } |
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| 260 | |
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| 261 | ogconfigure_networking() |
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| 262 | { |
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| [9ff7b49] | 263 | #echo "ogconfigure_networking: Buscando interfaz a configurar DEVICE" |
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| [98db1ad] | 264 | if [ -n "${BOOTIF}" ] |
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| 265 | then |
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| [9ff7b49] | 266 | #echo " variable BOOTIF exportada con pxelinux.0 con valor $BOOTIF" |
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| [2afd100] | 267 | IP=$IPOPTS |
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| [98db1ad] | 268 | temp_mac=${BOOTIF#*-} |
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| 269 | # convert to typical mac address format by replacing "-" with ":" |
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| 270 | bootif_mac="" |
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| 271 | IFS='-' |
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| 272 | for x in $temp_mac ; do |
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| 273 | if [ -z "$bootif_mac" ]; then |
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| 274 | bootif_mac="$x" |
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| 275 | else |
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| 276 | bootif_mac="$x:$bootif_mac" |
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| [58828de] | 277 | fi |
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| [98db1ad] | 278 | done |
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| 279 | unset IFS |
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| 280 | # look for devices with matching mac address, and set DEVICE to |
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| 281 | # appropriate value if match is found. |
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| 282 | for device in /sys/class/net/* ; do |
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| 283 | if [ -f "$device/address" ]; then |
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| 284 | current_mac=$(cat "$device/address") |
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| 285 | if [ "$bootif_mac" = "$current_mac" ]; then |
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| 286 | DEVICE=${device##*/} |
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| 287 | break |
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| 288 | fi |
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| 289 | fi |
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| 290 | done |
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| 291 | else |
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| [9ff7b49] | 292 | #echo "variable BOOTIF no exportada, intentamos detectar que interfaz se ha iniciado" |
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| [98db1ad] | 293 | IP=$ip |
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| 294 | #TODO Detectar que interfaz se ha iniciado |
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| 295 | case ${IP} in |
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| 296 | none|off) |
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| [2afd100] | 297 | return 0 |
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| [98db1ad] | 298 | ;; |
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| 299 | ""|on|any) |
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| 300 | # Bring up device |
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| 301 | DEVICE=eth0 |
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| 302 | ;; |
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| 303 | dhcp|bootp|rarp|both) |
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| 304 | DEVICE=eth0 |
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| 305 | ;; |
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| 306 | *) |
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| 307 | DEVICE=`echo $IP | cut -f6 -d:` |
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| 308 | ;; |
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| 309 | esac |
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| 310 | fi |
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| [2afd100] | 311 | if [ -z "${DEVICE}" ]; then |
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| 312 | echo "variable DEVICE con valor $DEVICE no encontrada, llamamos de nuevo a ogconfigure_networking" |
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| 313 | ogconfigure_networking |
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| 314 | fi |
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| 315 | |
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| [9ff7b49] | 316 | [ -n "${DEVICE}" ] && [ -e /tmp/net-"${DEVICE}".conf ] && return 0 |
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| 317 | #if [ -n "${DEVICE}" ] && [ -e /tmp/net-"${DEVICE}".conf ]; then |
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| 318 | # echo "variable DEVICE con valor $DEVICE y fichero /tmp/net-$DEVICE encontrados" |
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| 319 | # return 0 |
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| 320 | #else |
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| 321 | # echo "variable DEVICE con valor $DEVICE encontrada, procedemos a configurala y a crear el fichero /tmp/net-$DEVICE" |
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| 322 | #fi |
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| 323 | |
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| 324 | # Activamos la interfaz antes de configurar. |
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| 325 | ip address flush $DEVICE |
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| 326 | ip link set dev $DEVICE up |
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| 327 | # Si no se detecta señal portadora volver a configurar. |
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| 328 | sleep 1 |
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| 329 | CARRIER=$(cat /sys/class/net/${DEVICE}/carrier) |
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| 330 | if [ "$CARRIER" != "1" ] |
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| 331 | then |
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| 332 | ogconfigure_networking |
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| [2afd100] | 333 | fi |
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| 334 | |
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| [98db1ad] | 335 | # support ip options see linux sources |
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| 336 | # Documentation/filesystems/nfsroot.txt |
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| 337 | # Documentation/frv/booting.txt |
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| 338 | for ROUNDTTT in 2 3 4 6 9 16 25 36 64 100; do |
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| 339 | # The NIC is to be configured if this file does not exist. |
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| 340 | # Ip-Config tries to create this file and when it succeds |
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| 341 | # creating the file, ipconfig is not run again. |
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| 342 | if [ -e /tmp/net-"${DEVICE}".conf ]; then |
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| 343 | break; |
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| 344 | fi |
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| 345 | case ${IP} in |
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| 346 | none|off) |
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| [2afd100] | 347 | return 0 |
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| [98db1ad] | 348 | ;; |
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| 349 | ""|on|any) |
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| [58828de] | 350 | # Bring up device |
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| [2afd100] | 351 | echo "Setting $DEVICE with option:on|any and Variable IP= $IP: ipconfig -t ${ROUNDTTT} ${DEVICE} " |
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| [58828de] | 352 | ipconfig -t ${ROUNDTTT} ${DEVICE} |
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| [98db1ad] | 353 | ;; |
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| 354 | dhcp|bootp|rarp|both) |
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| [2afd100] | 355 | echo "Setting $DEVICE with option:dhcp|bootp|rarp|both and Variable IP= $IP: ipconfig -t ${ROUNDTTT} -c ${IP} -d ${DEVICE} " |
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| [58828de] | 356 | ipconfig -t ${ROUNDTTT} -c ${IP} -d ${DEVICE} |
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| [98db1ad] | 357 | ;; |
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| 358 | *) |
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| [2afd100] | 359 | echo "Setting $DEVICE with option * and Variable IP= $IP: ipconfig -t ${ROUNDTTT} -d $IP " |
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| [58828de] | 360 | ipconfig -t ${ROUNDTTT} -d $IP |
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| 361 | # grab device entry from ip option |
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| 362 | NEW_DEVICE=${IP#*:*:*:*:*:*} |
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| 363 | if [ "${NEW_DEVICE}" != "${IP}" ]; then |
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| 364 | NEW_DEVICE=${NEW_DEVICE%:*} |
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| 365 | else |
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| 366 | # wrong parse, possibly only a partial string |
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| 367 | NEW_DEVICE= |
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| 368 | fi |
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| 369 | if [ -n "${NEW_DEVICE}" ]; then |
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| 370 | DEVICE="${NEW_DEVICE}" |
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| 371 | fi |
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| [98db1ad] | 372 | ;; |
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| 373 | esac |
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| 374 | done |
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| [58828de] | 375 | |
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| [98db1ad] | 376 | # source ipconfig output |
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| [2afd100] | 377 | if [ -n "${DEVICE}" ]; then |
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| [98db1ad] | 378 | . /tmp/net-${DEVICE}.conf |
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| [fcb1011] | 379 | DEVICECFG="/tmp/net-${DEVICE}" |
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| [bba10c8] | 380 | export DEVICECFG |
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| 381 | export DEVICE |
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| 382 | echo "DEVICE=$DEVICE" >> $CFGINITRD |
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| 383 | echo "DEVICECFG=$DEVICECFG" >> $CFGINITRD |
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| [2afd100] | 384 | echo "exportando variable DEVICE con valor = $DEVICE y el DEVICECFG con valor $DEVICECFG" |
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| [98db1ad] | 385 | else |
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| 386 | # source any interface as not exaclty specified |
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| 387 | . /tmp/net-*.conf |
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| 388 | fi |
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| [58828de] | 389 | } |
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| 390 | |
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| 391 | ##################################################################### |
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| 392 | # Ask yesno question. |
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| 393 | # |
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| 394 | # Usage: yesno OPTIONS QUESTION |
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| 395 | # |
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| 396 | # Options: |
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| 397 | # --timeout N Timeout if no input seen in N seconds. |
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| 398 | # --default ANS Use ANS as the default answer on timeout or |
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| 399 | # if an empty answer is provided. |
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| 400 | # |
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| 401 | # Exit status is the answer. 0=yes 1=no |
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| 402 | |
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| 403 | ogYesNo() |
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| 404 | { |
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| 405 | local ans |
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| 406 | local ok=0 |
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| 407 | local timeout=0 |
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| 408 | local default |
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| 409 | local t |
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| 410 | |
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| 411 | while [[ "$1" ]] |
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| 412 | do |
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| 413 | case "$1" in |
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| 414 | --default) |
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| 415 | shift |
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| 416 | default=$1 |
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| 417 | if [[ ! "$default" ]]; then error "Missing default value"; fi |
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| 418 | t=$(echo $default | tr '[:upper:]' '[:lower:]') |
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| 419 | |
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| 420 | if [[ "$t" != 'y' && "$t" != 'yes' && "$t" != 'n' && "$t" != 'no' ]]; then |
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| 421 | error "Illegal default answer: $default" |
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| 422 | fi |
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| 423 | default=$t |
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| 424 | shift |
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| 425 | ;; |
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| 426 | |
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| 427 | --timeout) |
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| 428 | shift |
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| 429 | timeout=$1 |
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| 430 | if [[ ! "$timeout" ]]; then error "Missing timeout value"; fi |
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| 431 | #if [[ ! "$timeout" =~ ^[0-9][0-9]*$ ]]; then error "Illegal timeout value: $timeout"; fi |
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| 432 | shift |
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| 433 | ;; |
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| 434 | |
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| 435 | -*) |
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| 436 | error "Unrecognized option: $1" |
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| 437 | ;; |
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| 438 | |
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| 439 | *) |
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| 440 | break |
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| 441 | ;; |
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| 442 | esac |
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| 443 | done |
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| 444 | |
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| 445 | if [[ $timeout -ne 0 && ! "$default" ]]; then |
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| 446 | error "Non-zero timeout requires a default answer" |
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| 447 | fi |
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| 448 | |
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| 449 | if [[ ! "$*" ]]; then error "Missing question"; fi |
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| 450 | |
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| 451 | while [[ $ok -eq 0 ]] |
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| 452 | do |
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| 453 | if [[ $timeout -ne 0 ]]; then |
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| 454 | if ! read -t $timeout -p "$*" ans; then |
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| 455 | ans=$default |
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| 456 | else |
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| 457 | # Turn off timeout if answer entered. |
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| 458 | timeout=0 |
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| 459 | if [[ ! "$ans" ]]; then ans=$default; fi |
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| 460 | fi |
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| 461 | else |
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| 462 | read -p "$*" ans |
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| 463 | if [[ ! "$ans" ]]; then |
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| 464 | ans=$default |
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| 465 | else |
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| 466 | ans=$(echo $ans | tr '[:upper:]' '[:lower:]') |
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| 467 | fi |
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| 468 | fi |
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| 469 | |
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| 470 | if [[ "$ans" == 'y' || "$ans" == 'yes' || "$ans" == 'n' || "$ans" == 'no' ]]; then |
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| 471 | ok=1 |
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| 472 | fi |
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| 473 | |
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| 474 | if [[ $ok -eq 0 ]]; then warning "Valid answers are: yes y no n"; fi |
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| 475 | done |
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| 476 | [[ "$ans" = "y" || "$ans" == "yes" ]] |
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| 477 | } |
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| 478 | |
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| 479 | |
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