From 48c88347a9b7182295be1c56f819679d3058196b Mon Sep 17 00:00:00 2001
From: Jake Howard <git@theorangeone.net>
Date: Sat, 8 May 2021 16:12:05 +0100
Subject: [PATCH] Add some healthchecks integration to backup

---
 ansible/host_vars/restic.yml                 | 8 ++++++++
 ansible/roles/restic/tasks/files/backrest.sh | 3 +++
 ansible/roles/restic/vars/main.yml           | 1 +
 3 files changed, 12 insertions(+)

diff --git a/ansible/host_vars/restic.yml b/ansible/host_vars/restic.yml
index 8df576d..76ef5db 100644
--- a/ansible/host_vars/restic.yml
+++ b/ansible/host_vars/restic.yml
@@ -1,2 +1,10 @@
 restic_backup_locations:
   - /mnt/tank
+healthchecks_id: !vault |
+  $ANSIBLE_VAULT;1.1;AES256
+  61343535336633643231356138356631663130313234343538366634393661666232303965643365
+  3735323363366366303366336163623334316638653164610a633735316466336637346666666536
+  64323361653034303033383333333037346637343865636634386533653337363936386130396265
+  3134623162393034370a383737386434653036373639636631363233623232383936313264656539
+  62376636326332386330663432306135313938623134383239373435666666356538363639323333
+  3264386632376261666566373032363261643961376635336131
diff --git a/ansible/roles/restic/tasks/files/backrest.sh b/ansible/roles/restic/tasks/files/backrest.sh
index 74e0f0a..176579b 100644
--- a/ansible/roles/restic/tasks/files/backrest.sh
+++ b/ansible/roles/restic/tasks/files/backrest.sh
@@ -14,8 +14,11 @@ mkdir -p "$RESTIC_LOG_DIR"
 
 # Run backup, and capture logs to file
 cron_backup() {
+    curl -fsS -m 10 --retry 5 -o /dev/null {{ healthchecks_host }}/{{ healthchecks_id }}/start
     restic --verbose backup {{ restic_backup_locations|join(' ') }} | tee -a $RESTIC_LOG_FILE
     exit_code=${PIPESTATUS[0]}
+    curl -fsS -m 10 --retry 5 -o /dev/null {{ healthchecks_host }}/{{ healthchecks_id }}/$exit_code --data-binary "@$RESTIC_LOG_FILE"
+    rm $RESTIC_LOG_FILE
     echo "Exit code: $exit_code"
 }
 
diff --git a/ansible/roles/restic/vars/main.yml b/ansible/roles/restic/vars/main.yml
index 0f4b882..28cc7e0 100644
--- a/ansible/roles/restic/vars/main.yml
+++ b/ansible/roles/restic/vars/main.yml
@@ -24,3 +24,4 @@ restic_key: !vault |
   61303164333662353732656265386430383566343462633435626334373331316663363563616662
   66643135336539333738623231346331623464636637373639666435663961383936
 restic_b2_bucket: 0rng-restic
+healthchecks_host: https://hc-ping.com