diff options
Diffstat (limited to 'grid5000/steps/data/setup/puppet/modules/env/files/big/kvm/random_mac')
| -rw-r--r-- | grid5000/steps/data/setup/puppet/modules/env/files/big/kvm/random_mac | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/grid5000/steps/data/setup/puppet/modules/env/files/big/kvm/random_mac b/grid5000/steps/data/setup/puppet/modules/env/files/big/kvm/random_mac new file mode 100644 index 0000000..9c2bc8a --- /dev/null +++ b/grid5000/steps/data/setup/puppet/modules/env/files/big/kvm/random_mac @@ -0,0 +1,38 @@ +#!/bin/sh + +SITE_NAME=$(hostname | cut -d. -f2) + +# Code the 2nd byte of the IP in the mac address, in order to avoid conflicts +# with g5k-subnets (see [[Virtual network interlink]]) + +if [ "x$SITE_NAME" = "xbordeaux" ] ; then + SITE_HEX=83 +elif [ "x$SITE_NAME" = "xlille" ] ; then + SITE_HEX=8b +elif [ "x$SITE_NAME" = "xlyon" ] ; then + SITE_HEX=8f +elif [ "x$SITE_NAME" = "xnancy" ] ; then + SITE_HEX=93 +elif [ "x$SITE_NAME" = "xrennes" ] ; then + SITE_HEX=9f +elif [ "x$SITE_NAME" = "xtoulouse" ] ; then + SITE_HEX=a3 +elif [ "x$SITE_NAME" = "xsophia" ] ; then + SITE_HEX=a7 +elif [ "x$SITE_NAME" = "xreims" ] ; then + SITE_HEX=ab +elif [ "x$SITE_NAME" = "xluxembourg" ] ; then + SITE_HEX=af +elif [ "x$SITE_NAME" = "xnantes" ] ; then + SITE_HEX=b3 +elif [ "x$SITE_NAME" = "xgrenoble" ] ; then + SITE_HEX=b7 +elif [ "x$SITE_NAME" = "xqualif" ] ; then + SITE_HEX=ff +else + # Orsay (or unknown site) + SITE_HEX=97 +fi + +MACADDR="00:16:3e:$SITE_HEX:$(dd if=/dev/urandom count=1 2>/dev/null | md5sum | sed 's/^\(..\)\(..\).*$/\1:\2/')" +echo $MACADDR |