From e2a0c40e6bf3919e6cef6ed1789251b30367dc11 Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Sun, 15 Nov 2020 19:27:57 +0100
Subject: Script to backup Consul KV store

---
 app/deployment/backup.hcl | 67 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 app/deployment/backup.hcl

(limited to 'app/deployment/backup.hcl')

diff --git a/app/deployment/backup.hcl b/app/deployment/backup.hcl
new file mode 100644
index 0000000..8b5162c
--- /dev/null
+++ b/app/deployment/backup.hcl
@@ -0,0 +1,67 @@
+job "backup_periodic" {
+	datacenters = ["dc1"]
+
+	type = "batch"
+
+	periodic {
+	  // Launch every hour
+	  cron = "0 * * * * *"
+
+	  // Do not allow overlapping runs.
+	  prohibit_overlap = true
+	}
+
+	task "backup-consul" {
+		driver = "docker"
+
+			config {
+				image = "lxpz/backup_consul:9"
+				volumes = [
+					"secrets/id_ed25519:/root/.ssh/id_ed25519",
+					"secrets/id_ed25519.pub:/root/.ssh/id_ed25519.pub",
+					"secrets/known_hosts:/root/.ssh/known_hosts"
+				]
+				network_mode = "host"
+			}
+
+		env {
+			CONSUL_HTTP_ADDR = "http://consul.service.2.cluster.deuxfleurs.fr:8500"
+		}
+
+		template {
+			data = <<EOH
+TARGET_SSH_USER={{ key "secrets/backup/target_ssh_user" }}
+TARGET_SSH_PORT={{ key "secrets/backup/target_ssh_port" }}
+TARGET_SSH_HOST={{ key "secrets/backup/target_ssh_host" }}
+TARGET_SSH_DIR={{ key "secrets/backup/target_ssh_dir" }}
+EOH
+
+			destination = "secrets/env_vars"
+			env = true
+		}
+
+		template {
+			data = "{{ key \"secrets/backup/id_ed25519\" }}"
+			destination = "secrets/id_ed25519"
+		}
+		template {
+			data = "{{ key \"secrets/backup/id_ed25519.pub\" }}"
+			destination = "secrets/id_ed25519.pub"
+		}
+		template {
+			data = "{{ key \"secrets/backup/target_ssh_fingerprint\" }}"
+			destination = "secrets/known_hosts"
+		}
+
+		resources {
+			memory = 200
+		}
+
+		restart {
+			attempts = 2
+			interval = "30m"
+			delay = "15s"
+			mode = "fail"
+		}
+	}
+}
-- 
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