## host system is vivid, trusty would also do
host $ rel=trusty ; serial=20150417
host $
url=http://cloud-images.ubuntu.com/releases/$rel/release-$serial/ubuntu-14.04-server-cloudimg-amd64-disk1.img
host $ img_dist="$rel-$serial-amd64.img.dist"
host $ img=${img_dist%.dist}
host $ pkgs="qemu-utils qemu-system-x86 cloud-image-utils"
host $ sudo apt-get --assume-yes install $pkgs
## get images and convert qcow to raw
host $ [ -f "$img_dist" ] ||
{ wget "$url" -O "$img_dist.tmp" && mv "$img_dist.tmp" "$img_dist"; }
host $ [ -f "$img" ] ||
{ qemu-img convert -O raw "$img_dist" "$img.tmp" && mv "$img.tmp" "$img"; }
## create a user-data to let you log in
host $ cat > user-data <<EOF
#cloud-config
password: passw0rd
chpasswd: { expire: False }
ssh_pwauth: True
EOF
host $ cloud-localds seed.img user-data
## launch a guest with 2 nics, one stable/ssh in, one for testing
## you can ssh in with 'ubuntu/passw0rd' with 'ssh -p 2222 ubuntu@localhost'
host $ qemu-img create -f qcow2 -b $img disk.img
host $ qemu-system-x86_64 -enable-kvm \
-device virtio-net-pci,netdev=net00 \
-netdev user,id=net00,hostfwd=tcp::2222-:22 \
-device virtio-net-pci,netdev=net01 \
-netdev user,id=net01 \
-drive if=virtio,file=disk.img,if=virtio \
-drive if=virtio,file=seed.img,if=virtio \
-m 768 -curses
## have 2 windows / shells in system.
### setup system
guest $
crazy_url=http://bazaar.launchpad.net/~smoser/+junk/lp1444428/download/head:/nicgocrazy-20150421193756-8xtcmllz0qf4efb4-2/nic-go-crazy
guest $ $
loop_url=http://bazaar.launchpad.net/~smoser/+junk/lp1444428/download/head:/ifuploop-20150421193756-8xtcmllz0qf4efb4-1/ifup-loop
guest $ wget "$crazy_url" -O nic-go-crazy
guest $ wget "$loop_url" -O loop-ifup
guest $ chmod 755 nic-go-crazy loop-ifup
guest $ echo "iface eth1 inet dhcp" | sudo tee -a /etc/network/interfaces
### recreate failure ####
guest-w1 % sudo ./nic-go-crazy 20 nicfoo
guest-w2 % sudo ./loop-ifup
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Error getting interface address for 'nic074725'; No such device
Error getting interface information.
Failed to bring up eth1.
### enable proposed and get update ###
guest $ rel=$(lsb_release -sc)
guest $ echo "deb http://archive.ubuntu.com/ubuntu ${rel}-proposed main" |
sudo tee -a /etc/apt/sources.list.d/proposed.list
guest $ sudo apt-get update --quiet
guest $ sudo apt-cache policy
guest $ sudo apt-cache policy isc-dhcp-client
isc-dhcp-client:
Installed: 4.2.4-7ubuntu12.1
Candidate: 4.2.4-7ubuntu12.2
Version table:
4.2.4-7ubuntu12.2 0
500 http://archive.ubuntu.com/ubuntu/ trusty-proposed/main amd64
Packages
*** 4.2.4-7ubuntu12.1 0
500 http://archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
100 /var/lib/dpkg/status
4.2.4-7ubuntu12 0
500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
guest $ sudo apt-get install isc-dhcp-client -qy
## retry the 'recreate failure' test above. It should run indefinintely.
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1446767
Title:
dhclient can fail if other nics are renamed
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/isc-dhcp/+bug/1446767/+subscriptions
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