mirror of
https://github.com/rancher/os.git
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68 lines
1.8 KiB
Bash
68 lines
1.8 KiB
Bash
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#!/bin/bash
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set -ex
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MAGIC=${MAGIC:-"boot2docker, please format-me"}
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AUTOFORMAT=${AUTOFORMAT:-"/dev/sda /dev/vda"}
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DEVS=(${AUTOFORMAT})
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FORMATZERO=${FORMATZERO:-false}
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for dev in ${DEVS[@]}; do
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if [ -b "${dev}" ]; then
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# Test for our magic string (it means that the disk was made by ./boot2docker init)
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HEADER=`dd if=${dev} bs=1 count=${#MAGIC} 2>/dev/null`
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if [ "$HEADER" = "$MAGIC" ]; then
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# save the preload userdata.tar file
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dd if=${dev} of=/userdata.tar bs=1 count=8192
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elif [ "${FORMATZERO}" != "true" ]; then
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# do not try to guess whether to auto-format a disk beginning with 1MB filled with 00
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continue
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elif ! od -A d -N 1048576 ${dev} | head -n 3 | diff ./od-1m0 - >/dev/null 2>&1; then
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# do not auto-format if the disk does not begin with 1MB filled with 00
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continue
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fi
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mkfs.ext4 -L RANCHER_STATE ${dev}
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if [ -e "/userdata.tar" ]; then
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mkdir -p /mnt/new-root
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mount -t ext4 ${dev} /mnt/new-root
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pushd /mnt/new-root
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mkdir -p ./var/lib/rancher/conf/cloud-config.d
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echo $(tar -xvf /userdata.tar)
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AUTHORIZED_KEY1=$(cat ./.ssh/authorized_keys)
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AUTHORIZED_KEY2=$(cat ./.ssh/authorized_keys2)
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tee ./var/lib/rancher/conf/cloud-config.d/machine.yml << EOF
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#cloud-config
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rancher:
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network:
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interfaces:
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eth0:
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dhcp: true
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eth1:
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dhcp: true
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lo:
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address: 127.0.0.1/8
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ssh_authorized_keys:
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- ${AUTHORIZED_KEY1}
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- ${AUTHORIZED_KEY2}
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users:
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- name: docker
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ssh_authorized_keys:
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- ${AUTHORIZED_KEY1}
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- ${AUTHORIZED_KEY2}
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EOF
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popd
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umount /mnt/new-root
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fi
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# do not check another device
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break
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fi
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done
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