64 lines
1.8 KiB
HCL
64 lines
1.8 KiB
HCL
job "bastion-vm-backup" {
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datacenters = ["aperture"]
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type = "batch"
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periodic {
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crons = ["0 */3 * * * *"]
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prohibit_overlap = true
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}
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group "vm-backup" {
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task "qcow-backup" {
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driver = "raw_exec"
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config {
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command = "/bin/bash"
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args = ["local/script.sh"]
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}
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resources {
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cpu = 3000
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memory = 1000
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}
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template {
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data = <<EOH
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#!/bin/bash
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path=/storage/backups/nomad/bastion-vm
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file=bastion-vm-$(date +%Y-%m-%d_%H-%M-%S).qcow2
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mkdir -p ${path}
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host=$(nomad job status -verbose bastion-vm | grep running | tail -n 1 | cut -d " " -f 7)
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alloc_id=$(nomad job status -verbose bastion-vm | grep running | tail -n 1 | cut -d " " -f 1)
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job_name=$(echo ${NOMAD_JOB_NAME} | cut -d "/" -f 1)
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echo "Backing up alloc id: ${alloc_id} on: ${host} to ${path}/${file}..."
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ssh -i {{ key "bastion-vm/service/key" }} {{ key "bastion-vm/service/user" }}@${host} "sudo cat /opt/nomad/alloc/${alloc_id}/bastion-vm/local/bastion-vm.qcow2" > ${path}/${file}
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find ${path}/bastion-vm-* -ctime +2 -exec rm {} \; || true
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size=$(stat -c%s "${path}/${file}")
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if [ ${size} -gt 4000000000 ]; then # check if file exists and is not empty
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echo "Updating latest symlink to ${file}..."
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ln -sf ./${file} ${path}/bastion-vm-latest.qcow2
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echo "Backup successful"
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exit 0
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else
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rm $file
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curl -H "Content-Type: application/json" -d \
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'{"content": "## <@&585512338728419341> `VM` backup for **'"${job_name}"'** has just **FAILED**\nFile name: `'"$file"'`\nDate: `'"$(TZ=Europe/Dublin date)"'`\nTurn off this script with `nomad job stop '"${job_name}"'` \n\n## Remember to restart this backup job when fixed!!!"}' \
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{{ key "bastion-vm/webhook/discord" }}
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fi
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EOH
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destination = "local/script.sh"
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}
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}
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}
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}
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