From a7e276c6371d4c68ee7733e8e2f3ae186d60fe15 Mon Sep 17 00:00:00 2001
From: Ian Fijolek <ian@iamthefij.com>
Date: Thu, 21 Jul 2022 20:24:50 -0700
Subject: [PATCH] WIP: Write a consul backup job

---
 nomad/backups/jobs/consul.hcl | 45 +++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 nomad/backups/jobs/consul.hcl

diff --git a/nomad/backups/jobs/consul.hcl b/nomad/backups/jobs/consul.hcl
new file mode 100644
index 0000000..3478848
--- /dev/null
+++ b/nomad/backups/jobs/consul.hcl
@@ -0,0 +1,45 @@
+job "Consul" {
+  schedule = "0 0 * * *"
+
+  config {
+    # TODO: Backup to a meaningful location, this is just for testing
+    repo = "/local/repo"
+    # Read from secret file
+    passphrase = env("BACKUP_PASSPHRASE")
+  }
+
+  # Remove when using a proper backup destination
+  task "Create dir for repo" {
+    pre_script {
+      on_backup = "echo 'Backing up something'"
+    }
+    pre_script {
+      on_backup = "mkdir -p /local/repo"
+    }
+  }
+
+  task "Use consul snapshots" {
+    pre_script {
+      on_backup = "mkdir -p /local/consul"
+    }
+    pre_script {
+      on_backup = "consul snapshot save /local/consul/backup.snap"
+    }
+    post_script {
+      on_restore = "consul snapshot restore /local/consul/backup.snap"
+    }
+  }
+
+  backup {
+    paths = ["/local/consul"]
+    # Because path is absolute
+    restore_opts {
+      Target = "/"
+    }
+  }
+
+  forget {
+    KeepLast = 2
+    Prune = true
+  }
+}