add support_sync_snapshot playbook

README.md

@@ -85,6 +85,8 @@ ansible-playbook main.yml -e "target=HOST_NAME"
 | `support_tenderduty.yml`       | Install Tenderduty                                                                               |
 | `support_price_feeder.yml`     | Install price feeders for selected networks (such Umee, Kujira, etc)                             |
 | `support_scripts.yml`          | Install scripts to make node operations easier                                                   |
+| `support_sync_snapshot.yml`    | Sync node from a snapshot                                                                        |
+| `support_remove_node.yml`      | Remove a node and clean up                                                                       |
 
 ### Selected playbook Usage Example
 

group_vars/all.yml

@@ -9,3 +9,6 @@ go_version: '1.20.3'
 
 # cosmovisor
 cosmovisor_version: 'v1.0.0'
+
+# Snapshot base URL
+snapshot_base_url: 'https://polkachu.com/api/v1/chains'

roles/support_remove_node/tasks/main.yml

@@ -0,0 +1,13 @@
+---
+- name: placeholder
+  debug:
+    msg: 'hello world'
+# wget -O aura_1530150.tar.lz4 https://snapshots.polkachu.com/snapshots/aura/aura_1530150.tar.lz4 --inet4-only
+
+# sudo service aura stop
+
+# aurad tendermint unsafe-reset-all --home $HOME/.aura --keep-addr-book
+
+# lz4 -c -d aura_1530150.tar.lz4  | tar -x -C $HOME/.aura
+
+# sudo service aura start

roles/support_sync_snapshot/tasks/main.yml

@@ -0,0 +1,56 @@
+---
+- name: Stop node process
+  become: true
+  systemd:
+    name: '{{ network }}'
+    state: stopped
+    daemon_reload: yes
+    enabled: yes
+
+- name: Move priv_validator_state.json to a safe location
+  command: 'mv {{ user_dir }}/{{ folder }}/data/priv_validator_state.json {{ user_dir }}/{{ folder }}'
+
+- name: Get the latest snapshot url
+  uri:
+    url: '{{ snapshot_base_url }}/{{ network }}/snapshot'
+    headers:
+      x-polkachu: '{{ snapshot_secret }}'
+  register: snapshot
+
+- name: Download snapshot to home folder
+  get_url:
+    url: '{{ snapshot.json.snapshot.url }}'
+    dest: '{{ user_dir }}/{{ snapshot.json.snapshot.name }}'
+    mode: '0644'
+
+- name: Unsafe reset
+  shell: '{{ user_dir }}/go/bin/{{ daemon }} tendermint unsafe-reset-all --home $HOME/{{ folder }} --keep-addr-book'
+
+- name: Extract snapshot
+  shell: 'lz4 -c -d $HOME/{{ snapshot.json.snapshot.name }} | tar -x -C $HOME/{{ folder }}'
+
+- name: Move priv_validator_state.json back
+  command: 'mv {{ user_dir }}/{{ folder }}/priv_validator_state.json {{ user_dir }}/{{ folder }}/data/'
+
+- name: Delete the downloaded snapshot file
+  file:
+    path: '{{ user_dir }}/{{ snapshot.json.snapshot.name }}'
+    state: absent
+
+- name: start node process
+  become: true
+  systemd:
+    name: '{{ network }}'
+    state: started
+    daemon_reload: yes
+    enabled: yes
+
+- name: Pause for 5 seconds
+  pause:
+    seconds: 5
+
+- name: Ensure it is running
+  uri:
+    url: 'http://localhost:{{ custom_port_prefix }}61'
+    method: GET
+    status_code: 200

support_remove_node.yml

@@ -0,0 +1,8 @@
+---
+- name: Remove a node and clean up
+  hosts: '{{ target }}'
+  gather_facts: false
+  vars_files:
+    - '{{ var_file }}'
+  roles:
+    - support_remove_node

support_sync_snapshot.yml

@@ -0,0 +1,8 @@
+---
+- name: Sync node from a snapshot
+  hosts: '{{ target }}'
+  gather_facts: false
+  vars_files:
+    - '{{ var_file }}'
+  roles:
+    - support_sync_snapshot