From a0815b3100690a5ceedfdafe4837131ce364c380 Mon Sep 17 00:00:00 2001
From: Jacob Babor <jacob@babor.tech>
Date: Wed, 10 Jul 2024 13:00:17 -0500
Subject: [PATCH] Work on Kopia This doesn't work. The repo must be initialized
 beforehand which is going to require a bunch of setup

---
 inventories/production/group_vars/all.yml   | 24 ++++++++++-
 roles/backup/tasks/main.yml                 | 47 +++++++++++++++++++++
 roles/backup/templates/repository.config.j2 | 21 +++++++++
 3 files changed, 91 insertions(+), 1 deletion(-)
 create mode 100644 roles/backup/templates/repository.config.j2

diff --git a/inventories/production/group_vars/all.yml b/inventories/production/group_vars/all.yml
index b369c27..77e07ce 100644
--- a/inventories/production/group_vars/all.yml
+++ b/inventories/production/group_vars/all.yml
@@ -50,7 +50,29 @@ backup_s3_aws_secret_access_key: !vault |
           3635616437373236650a353661343131303332376161316664333833393833373830623130666633
           66356130646434653039363863346630363931383832353637636131626530616434
 backup_s3_aws_endpoint_url: "https://s3.us-east-005.backblazeb2.com"
-
+backup_kopia_bucket_name: desultd-kopia
+backup_kopia_access_key_id: !vault |
+          $ANSIBLE_VAULT;1.1;AES256
+          34633366656134376166636164643233353461396263313237653032353764613737393865373763
+          6665633239396333633132323936343030346362333734640a356631373230383663383530333434
+          32386639393135373236373263363365366163346234643135363766666666373938373135653663
+          3836623735393563610a613332623965633032356266643638386230323965366233353930313239
+          38666562326232353165323934303966643630383235393830613939616330333839
+backup_kopia_secret_access_key: !vault |
+          $ANSIBLE_VAULT;1.1;AES256
+          31373662326464396136346663626635363332303862613466316236333431636136373038666531
+          6630616565613431323464373862373963356335643435360a353665356163313635393137363330
+          66383531326535653066386432646464346161336363373334313064303261616238613564396439
+          6439333432653862370a303461346438623263636364633437356432613831366462666666303633
+          63643862643033376363353836616137366432336339383931363837353161373036
+backup_kopia_password: !vault |
+          $ANSIBLE_VAULT;1.1;AES256
+          34306564393161336162633833356464373065643633343935373566316465373939663838343537
+          3831343963666432323538636665663733353435636337340a633738306463646133643730333032
+          33303962306136636163623930306238666633333738373435636366666339623562323531323732
+          3330633238386336330a346431383233383533303131323736306636353033356538303264383963
+          37306461613834643063383965356664326265383431336332303333636365316163363437343634
+          6439613537396535656361616365386261336139366133393637
 
 # For zerotier
 zerotier_personal_network_id: !vault |
diff --git a/roles/backup/tasks/main.yml b/roles/backup/tasks/main.yml
index 54d1d14..e68ac68 100644
--- a/roles/backup/tasks/main.yml
+++ b/roles/backup/tasks/main.yml
@@ -14,3 +14,50 @@
   notify: restart backup timer
 - name: enable timer
   ansible.builtin.systemd: name=backup.timer state=started enabled=yes daemon_reload=yes
+- name: deploy kopia
+  block:
+    - name: ensure kopia dirs
+      ansible.builtin.file:
+        state: directory
+        owner: root
+        group: root
+        mode: "0750"
+        path: "{{ item }}"
+      with_items:
+        - /data/kopia/config
+        - /data/kopia/cache
+        - /data/kopia/logs
+    - name: template out password file
+      copy:
+        content: "{{ backup_kopia_password }}"
+        owner: root
+        group: root
+        mode: "0600"
+        dest: /data/kopia/config/repository.config.kopia-password
+    - name: template out configuration file
+      template:
+        src: repository.config.j2
+        owner: root
+        group: root
+        mode: "0600"
+        dest: /data/kopia/config/repository.config
+    - name: deploy kopia
+      community.docker.docker_container:
+        name: kopia
+        image: kopia/kopia:latest
+        env:
+          KOPIA_PASSWORD: "{{ backup_kopia_password }}"
+        command:
+          - "repository"
+          - "connect"
+          - "from-config"
+          - "--file"
+          - "/app/config/repository.config"
+        volumes:
+          - /data/kopia/config:/app/config
+          - /data/kopia/cache:/app/cache
+          - /data/kopia/logs:/app/logs
+          # Shared tmp so Kopia can dump restorable backups to the host
+          - /tmp:/tmp:shared
+          # And a RO mount for the host so it can be backed up
+          - /:/host:ro,rslave
diff --git a/roles/backup/templates/repository.config.j2 b/roles/backup/templates/repository.config.j2
new file mode 100644
index 0000000..ed0cdc3
--- /dev/null
+++ b/roles/backup/templates/repository.config.j2
@@ -0,0 +1,21 @@
+{
+  "storage": {
+    "type": "b2",
+    "config": {
+      "bucket": "desultd-kopia",
+      "keyID": "{{ backup_kopia_access_key_id }}",
+      "key": "{{ backup_kopia_secret_access_key }}"
+    }
+  },
+  "caching": {
+    "cacheDirectory": "/app/cache/cachedir",
+    "maxCacheSize": 5242880000,
+    "maxMetadataCacheSize": 5242880000,
+    "maxListCacheDuration": 30
+  },
+  "hostname": "{{ inventory_hostname }}",
+  "username": "salt",
+  "description": "Desu LTD Backups",
+  "enableActions": false,
+  "formatBlobCacheDuration": 900000000000
+}