Files
alo-cluster/services/mysql-backup.hcl

46 lines
1.1 KiB
HCL

job "mysql-backup" {
datacenters = ["alo"]
type = "batch"
periodic {
crons = ["23 23 * * * *"]
prohibit_overlap = true
}
group "db" {
# Run on primary storage node for fast local disk access
constraint {
attribute = "${meta.storage_role}"
value = "primary"
}
task "backup" {
driver = "raw_exec"
config {
command = "/bin/sh"
args = [ "local/script.sh" ]
}
template {
destination = "local/script.sh"
data = <<EOH
set -e
/run/current-system/sw/bin/nomad alloc exec -job -task=mysqld mysql \
mysqldump -u root --password="$MYSQL_ROOT_PASS" --all-databases > /data/services/db-backups/mysql/backup.sql && \
echo "last_success $(date +%s)" | \
/run/current-system/sw/bin/curl --data-binary @- http://pushgateway.service.consul:9091/metrics/job/mysql_backup
EOH
}
template {
destination = "secrets/file.env"
env = true
data = <<EOH
{{- with nomadVar "secrets/mysql" -}}MYSQL_ROOT_PASS="{{ .root_password }}"{{- end -}}
EOH
}
}
}
}