108 lines
2.4 KiB
Ruby
108 lines
2.4 KiB
Ruby
#
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# Cookbook:: kosmos_kvm
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# Recipe:: backup
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#
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apt_package "borgbackup"
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borg_credentials = data_bag_item("credentials", "borg")
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if borg_credentials["nodes"].keys.include?(node.name)
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passphrase = borg_credentials["nodes"][node.name]["passphrase"]
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repository = borg_credentials["nodes"][node.name]["repository"]
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else
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passphrase = borg_credentials["passphrase"]
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repository = borg_credentials["repository"]
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end
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file "/root/.ssh/borg_rsa" do
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content borg_credentials["ssh_key"]
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mode '0600'
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end
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file "/root/.borg_credentials.env" do
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content <<-EOF
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BORG_RSH='ssh -i /root/.ssh/borg_rsa'
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BORG_PASSPHRASE=#{passphrase}
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BORG_REPO='#{repository}'
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EOF
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end
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bash "Load borg credentials in console sessions" do
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code <<-EOF
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cat >>/root/.bashrc <<EOL
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# GENERATED BY CHEF
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set -o allexport
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source ~/.borg_credentials.env
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set +o allexport
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EOF
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not_if "grep -q borg_credentials /root/.bashrc"
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end
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directory "/root/backups" do
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mode "0750"
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end
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directory "/root/backups/vm_meta" do
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mode "0750"
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end
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cookbook_file "/root/backups/backup_vm.sh" do
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source "backup_vm.sh"
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mode "0750"
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end
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cookbook_file "/root/backups/prune_vm_backups.sh" do
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source "prune_vm_backups.sh"
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mode "0750"
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end
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# Search all guests and filter by presence on current host
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vm_domains = search(:node, "role:kvm_guest").map{|n| n["hostname"] } \
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& `virsh list --name`.strip.chomp.split("\n")
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vm_domains.reject! { |d| node["kosmos_kvm"]["backup"]["nodes_excluded"].any?{ |n| d.match?(/^#{n}/) } }
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template "/root/backups/backup_all_vms.sh" do
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source "backup_all_vms.sh.erb"
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mode '0750'
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variables vm_domains: vm_domains
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end
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systemd_unit "backup-libvirt-guests.service" do
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content({
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Unit: {
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Description: "Back up libvirt guest images and metadata",
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Wants: "network.target"
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},
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Service: {
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Type: "oneshot",
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EnvironmentFile: "/root/.borg_credentials.env",
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ExecStart: "/root/backups/backup_all_vms.sh",
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SyslogIdentifier: "backup-libvirt-guests",
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Restart: "no"
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}
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})
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verify false
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triggers_reload true
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action [:create]
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end
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systemd_unit "backup-libvirt-guests.timer" do
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content({
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Unit: {
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Description: "Back up libvirt guest images and metadata",
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},
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Timer: {
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OnCalendar: node["kosmos_kvm"]["backup"]["schedule"]
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},
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Install: {
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WantedBy: "timers.target"
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}
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})
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verify false
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triggers_reload true
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action [:create, :enable, :start]
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end
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