Add preseed to faster install nodes in cz lab

deploy/net_reconfigure.sh

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+killall.sh; netcfg

deploy/preseed.cfg

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+# To use this, change values marked with ### below and run HTTP server locally:
+#   python2 -m SimpleHTTPServer
+# (note: you need to run it in this dir "deploy", it'll share current dir)
+# Then load installer in some way (e.g. by throwing mini.iso to your iKVM) and
+# add these kernel arguments:
+#   auto url=http://172.18.67.44:8000/preseed.cfg
+# Now press enter 5 times (no way to preseed anything before network conf),
+# select p1p1, enter, enter...
+# Then you'll see invitation to SSH. You can login using provided ssh_key:
+#   ssh -i ssh_key installer@THATHOST
+# (if Git failed you, do 'chmod go-rw ssh_key' before to fix permissions)
+
+# Language, keymap, clock
+d-i debian-installer/locale string en_US
+d-i clock-setup/utc boolean true
+d-i time/zone string Europe/Prague
+d-i console-setup/ask_detect boolean false
+d-i console-tools/archs select at
+d-i console-keymaps-at/keymap select us
+
+# Network config
+d-i netcfg/choose_interface select p1p1
+d-i netcfg/disable_dhcp boolean true
+d-i netcfg/get_nameservers string 172.18.80.136
+### CHANGE THIS IP
+d-i netcfg/get_ipaddress string 172.18.167.143
+d-i netcfg/get_netmask string 255.255.255.224
+d-i netcfg/get_gateway string 172.18.167.129
+d-i netcfg/confirm_static boolean true
+d-i preseed/run string net_reconfigure.sh
+### CHANGE THIS HOSTNAME
+d-i netcfg/get_hostname string cz5540
+d-i netcfg/get_domain string nodomain
+
+# Local mirror
+d-i mirror/country string manual
+d-i mirror/http/hostname string caches.bud.mirantis.net
+d-i mirror/http/directory string /ubuntu
+d-i mirror/http/proxy string
+d-i apt-setup/security_host string caches.bud.mirantis.net
+
+# Finish install over SSH
+d-i anna/choose_modules string network-console
+d-i preseed/early_command string anna-install network-console
+d-i network-console/password password r00tme
+d-i network-console/password-again password r00tme
+### CHANGE THIS URL to point to your local machine
+d-i network-console/authorized_keys_url string http://172.18.67.44:8000/ssh_key.pub
+
+# Partitions (TODO)
+partman-basicfilesystems partman-basicfilesystems/swap_check_failed boolean false
+
+# Accounts
+d-i passwd/root-login boolean false
+d-i passwd/user-fullname string Dumb Ubuntu User
+d-i passwd/username string ubuntu
+d-i passwd/user-password password ubuntuMira1
+d-i passwd/user-password-again password ubuntuMira1
+d-i user-setup/allow-password-weak boolean true
+d-i user-setup/encrypt-home boolean false
+
+# ZFS PPA
+d-i apt-setup/local0/comment string ZFSonLinux PPA
+d-i apt-setup/local0/repository string http://ppa.launchpad.net/zfs-native/stable/ubuntu vivid main 
+d-i apt-setup/local0/source boolean true
+d-i apt-setup/local0/key string http://keyserver.ubuntu.com:11371/pks/lookup?op=get&search=0x1196BA81F6B0FC61
+
+# Packages
+tasksel tasksel/first multiselect standard
+d-i pkgsel/include string openssh-server ubuntu-zfs libvirt-bin qemu-kvm vim git zsh
+d-i pkgsel/update-policy select No automatic updates
+
+# GRUB
+d-i grub-installer/only_debian boolean true
+d-i grub-installer/with_other_os boolean true
+
+# Postinstall
+d-i preseed/late_command string in-target chsh -s /bin/zsh; in-target chsh -s /bin/zsh ubuntu
+d-i finish-install/reboot_in_progress note

deploy/ssh_key

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+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
+QyNTUxOQAAACAS4SUhH0Zw5eyY2ZToD/0R7NM7s58hzelNu1KCCH5x2QAAAJg6UtQvOlLU
+LwAAAAtzc2gtZWQyNTUxOQAAACAS4SUhH0Zw5eyY2ZToD/0R7NM7s58hzelNu1KCCH5x2Q
+AAAEDZ/yCx/lo/ChhGwk/jBYGNBmU2FNYSxWbAFAgBBxwDUhLhJSEfRnDl7JjZlOgP/RHs
+0zuznyHN6U27UoIIfnHZAAAADnlvcmlrQHl0YXJhZGF5AQIDBAUGBw==
+-----END OPENSSH PRIVATE KEY-----

deploy/ssh_key.pub

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+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBLhJSEfRnDl7JjZlOgP/RHs0zuznyHN6U27UoIIfnHZ yorik@ytaraday