nomad

HCL and Docker files for Nomad deployments
git clone https://git.in0rdr.ch/nomad.git
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nomad-snapshots.nomad (1507B)

      1 job "snapshot" {
      2   datacenters = ["dc1"]
      3   type = "batch"
      4 
      5   vault {
      6     role = "snapshot"
      7     # export VAULT_TOKEN for use in snapshot.sh script
      8     env = true
      9   }
     10 
     11   parameterized {
     12     payload = "forbidden"
     13     meta_required = ["service"]
     14   }
     15 
     16   periodic {
     17     # At minute 12 past every hour
     18     crons = [
     19       "12 */1 * * *"
     20     ]
     21     # prevents "volume max claim reached" on CSI volume
     22     prohibit_overlap = true
     23   }
     24 
     25   group "snapshot" {
     26     count = 1
     27 
     28     volume "nomad-snapshots" {
     29       type = "csi"
     30       source = "nomad-snapshots"
     31       access_mode = "multi-node-multi-writer"
     32       attachment_mode = "file-system"
     33     }
     34 
     35     network {
     36       mode = "host"
     37     }
     38 
     39     task "snapshot-save" {
     40       driver = "exec"
     41 
     42       env {
     43         NOMAD_ADDR = "https://127.0.0.1:4646"
     44         # only save variables from default namespace
     45         NOMAD_NAMESPACE = "default"
     46         NOMAD_SKIP_VERIFY = 1
     47         VAULT_SKIP_VERIFY = 1
     48       }
     49 
     50       template {
     51         destination = "${NOMAD_TASK_DIR}/snapshot.sh"
     52         data = file("./templates/snapshot.sh.tmpl")
     53         perms = 755
     54       }
     55 
     56       config {
     57         command = "${NOMAD_TASK_DIR}/snapshot.sh"
     58         # Note: This meta variable (the parametrized service name)
     59         # could also be directly accessed inside the template
     60         args = [NOMAD_META_SERVICE]
     61       }
     62 
     63       volume_mount {
     64         volume = "nomad-snapshots"
     65         destination = "/mnt"
     66       }
     67 
     68       resources {
     69         memory = 128
     70         cpu    = 200
     71       }
     72     }
     73   }
     74 }