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- #!/bin/bash
- # get the kernel and initrd
- URL_BASE="https://releases.rancher.com/os/latest"
- VMLINUX="vmlinuz"
- INITRD="initrd"
- cd /tmp
- curl -O -L "${URL_BASE}/${VMLINUX}"
- curl -O -L "${URL_BASE}/${INITRD}"
- # setup the host ready for kexec
- PUBLIC_IPV4=$(wget -qO- http://169.254.169.254/metadata/v1/interfaces/public/0/ipv4/address)
- if [ "$(ros config get rancher.environment.installer)" == "true" ] && ros --version &>/dev/null; then
- cat > cloud-config.yml <<EOF
- #cloud-config
- rancher:
- network:
- interfaces:
- eth0:
- address: $(ip -4 addr show dev eth0 | awk "/${PUBLIC_IPV4}/ {print \$2}")
- gateway: $(ip -o route get 1 | awk '{print $3}')
- dhcp: false
- ssh_authorized_keys:
- EOF
- while read -r KEY; do
- echo " - ${KEY}" >> cloud-config.yml
- done < <(wget -qO- http://169.254.169.254/metadata/v1/public-keys; echo)
- yes | ros install -c cloud-config.yml -d /dev/vda
- exit 0
- fi
- export DEBIAN_FRONTEND=noninteractive
- apt-get update && apt-get install -y kexec-tools ipcalc
- PUBLIC_IPV4_NETMASK=$(curl -s http://169.254.169.254/metadata/v1/interfaces/public/0/ipv4/netmask)
- PUBLIC_IPV4_CIDR=$(ipcalc ${PUBLIC_IPV4}/${PUBLIC_IPV4_NETMASK} | awk '/^Network/ {n=split($2, i, "/"); print i[2]};')
- PUBLIC_IPV4_GATEWAY=$(curl -s http://169.254.169.254/metadata/v1/interfaces/public/0/ipv4/gateway)
- kexec --initrd=${INITRD} -l ${VMLINUX} -f --command-line="quiet rancher.network.interfaces.eth0.address=${PUBLIC_IPV4}/${PUBLIC_IPV4_CIDR} rancher.network.interfaces.eth0.gateway=${PUBLIC_IPV4_GATEWAY} rancher.network.interfaces.eth0.dhcp=false rancher.cloud_init.datasources=[digitalocean] rancher.environment.installer=true"
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