juice.yml

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#!/usr/bin/env ansible-playbook
---
#==============================================================#
# File      :   juice.yml
# Desc      :   Deploy JuiceFS distributed filesystem
# Ctime     :   2025-01-20
# Mtime     :   2025-01-22
# Path      :   juice.yml
# Docs      :   https://pigsty.io/docs/juice/
# License   :   Apache-2.0
# Copyright :   2018-2026  Ruohang Feng / Vonng (rh@vonng.com)
#==============================================================#
- name: JUICE
  hosts: all
  become: yes
  gather_facts: no
  roles:
    - { role: node_id, tags: id }
    - { role: juice,   tags: juice }

#--------------------------------------------------------------#
# Usage
#--------------------------------------------------------------#
# https://juicefs.com/docs/community/command_reference
#
# juice_cache: /data/juice                # shared cache directory
# juice_instances:                        # dict of juicefs filesystems
#   <name>:                               # fs name (key)
#     path  : /pgfs                       # [REQUIRED] mountpoint
#     meta  : postgres://u:p@h:5432/db    # [REQUIRED] metadata URL
#     data  : --storage postgres ...      # format options
#     unit  : juicefs-<name>              # service name
#     mount : ''                          # mount options
#     port  : 9567                        # metrics port (UNIQUE per instance!)
#     owner : root                        # mountpoint owner
#     group : root                        # mountpoint group
#     mode  : '0755'                      # mountpoint mode
#     state : create                      # create | absent
#--------------------------------------------------------------#
# Deploy
#--------------------------------------------------------------#
#   ./juice.yml -l <host>                 # all fs on host
#   ./juice.yml -l <host> -e fsname=xxx   # single fs
#--------------------------------------------------------------#
# Reconfigure (only restarts on actual changes)
#--------------------------------------------------------------#
#   ./juice.yml -l <host> -t juice_config
#--------------------------------------------------------------#
# Remove (set state: absent in config first)
#--------------------------------------------------------------#
#   ./juice.yml -l <host> -t juice_clean
#   ./juice.yml -l <host> -e fsname=xxx -t juice_clean
#--------------------------------------------------------------#
# Tags
#--------------------------------------------------------------#
#   juice_id       : validate config and check port conflicts
#   juice_install  : install juicefs package
#   juice_cache    : create cache directory
#   juice_instance : create instances (state=create)
#     juice_init   : format filesystem
#     juice_dir    : create mountpoint
#     juice_config : render service files (triggers restart)
#     juice_launch : start service
#   juice_clean    : remove instances (state=absent)
#   juice_register : register to prometheus
#--------------------------------------------------------------#
...