feat: bootstrap dolos from tarball snapshot (#153)

Signed-off-by: Chris Gianelloni <[email protected]>

roles/dolos/defaults/main.yml

@@ -12,8 +12,8 @@ dolos_network: mainnet
 cardano_node_dir: /opt/cardano
 
 # DB directory for host/container
-dolos_db_dir: '{{ cardano_node_dir }}/dolos'
-dolos_db_container_dir: '/data'
+dolos_db_dir: '{{ cardano_node_dir }}/dolos-data/db'
+dolos_db_container_dir: '/data/db'
 
 # Config directory for host/container (cardano-node)
 cardano_node_config_dir: '{{ cardano_node_dir }}/config'
@@ -35,6 +35,10 @@ dolos_docker_image: 'ghcr.io/txpipe/dolos:v{{ dolos_version }}'
 # Docker container name
 dolos_docker_container_name: dolos
 
+# Snapshots
+dolos_snapshot_enabled: true
+dolos_snapshot_url: https://dolos-snapshots.s3.amazonaws.com/v0/764824073/full/latest.tar.gz
+
 # Port for host/container (relay)
 dolos_relay_container_port: 30013
 dolos_relay_port: '{{ dolos_relay_container_port }}'

roles/dolos/tasks/main.yml

@@ -28,6 +28,13 @@
     group: '{{ cardano_node_group | string }}'
     mode: 0644
 
+- name: Unarchive Dolos snapshot
+  src: '{{ dolos_snapshot_url | string }}'
+  dest: '{{ dolos_db_dir }}'
+  remote_src: yes
+  creates: '{{ dolos_db_dir }}/ledger'
+  when: dolos_snapshot_enabled
+
 - name: Include docker-related tasks
   ansible.builtin.include_tasks: docker.yml
   when: dolos_install_method == 'docker'