756b8fe0b5
This is required because Hetzner decided to renew the IPv6 Prefixes assigned to our hosts. Therefore, we need a way to update the IPv6 prefix of the VMs running on the impacted hosts. The action plan is available at https://github.com/ubicloud/ubinest/wiki/Hetzner-IPv6-Prefix-Change-%E2%80%90-Action-Plan
45 lines
1.3 KiB
Ruby
45 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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require_relative "../../lib/util"
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class Prog::Vm::UpdateIpv6 < Prog::Base
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subject_is :vm
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def vm_host
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@vm_host ||= VmHost[vm.vm_host_id]
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end
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label def start
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vm_host.sshable.cmd("sudo systemctl stop #{vm.inhost_name}.service")
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vm_host.sshable.cmd("sudo systemctl stop #{vm.inhost_name}-dnsmasq.service")
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vm_host.sshable.cmd("sudo ip netns del #{vm.inhost_name}")
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hop_rewrite_persisted
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end
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label def rewrite_persisted
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vm.update(
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ephemeral_net6: vm_host.ip6_random_vm_network.to_s
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)
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write_params_json
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vm_host.sshable.cmd("sudo host/bin/setup-vm reassign-ip6 #{vm.inhost_name}", stdin: JSON.generate({storage: vm.storage_secrets}))
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hop_start_vm
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end
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label def start_vm
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nic = vm.nics.first
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addr = nic.private_subnet.net4.nth(1).to_s + nic.private_subnet.net4.netmask.to_s
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vm_host.sshable.cmd("sudo ip -n #{vm.inhost_name.shellescape} addr replace #{addr} dev #{nic.ubid_to_tap_name}")
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vm_host.sshable.cmd("sudo systemctl start #{vm.inhost_name}.service")
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vm.incr_update_firewall_rules
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pop "VM #{vm.name} updated"
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end
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def write_params_json
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vm_host.sshable.cmd("sudo rm /vm/#{vm.inhost_name}/prep.json")
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vm_host.sshable.cmd("sudo -u #{vm.inhost_name} tee /vm/#{vm.inhost_name}/prep.json", stdin: vm.params_json(nil))
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end
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end
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