mirror of
https://github.com/MacRimi/ProxMenux.git
synced 2026-09-29 18:16:43 +00:00
62 lines
3.2 KiB
Python
62 lines
3.2 KiB
Python
 
|
"""Read-only validation of a coordinated stack operation, before host changes."""
|
||
|
|
import copy
|
||
|
|
|
||
|
|
from oci_ui import translate
|
||
|
|
|
||
|
|
|
||
|
|
def build(primary, records, inventory, operation):
|
||
|
|
"""Inventory maps VMIDs to installation UUIDs, including unrelated guests.
|
||
|
|
|
||
|
|
Missing members are reported, not authorized for creation: their persistent
|
||
|
|
volumes still require separate verification before any destructive operation.
|
||
|
|
"""
|
||
|
|
if operation not in ('update', 'recreate'):
|
||
|
|
raise ValueError(translate('Invalid stack operation'))
|
||
|
|
stack = primary.get('stack')
|
||
|
|
if not stack or not stack.get('members'):
|
||
|
|
raise ValueError(translate('This is not a coordinated stack'))
|
||
|
|
snapshots = stack['members']
|
||
|
|
ids = [member['vmid'] for member in snapshots]
|
||
|
|
if any(type(vmid) is not int or vmid < 100 for vmid in ids) or len(set(ids)) != len(ids):
|
||
|
|
raise ValueError(translate('Duplicated or invalid stack VMID'))
|
||
|
|
if primary['vmid'] not in ids:
|
||
|
|
raise ValueError(translate('The main member of the stack is missing'))
|
||
|
|
if stack.get('id') != primary['installation_id']:
|
||
|
|
raise ValueError(translate('Inconsistent stack identity'))
|
||
|
|
services = stack.get('deployment', {}).get('services', [])
|
||
|
|
order = [service['vmid'] for service in services]
|
||
|
|
if len(order) != len(ids) or set(order) != set(ids):
|
||
|
|
raise ValueError(translate('Incomplete dependency order'))
|
||
|
|
members, missing, blockers = [], [], []
|
||
|
|
for snapshot in snapshots:
|
||
|
|
vmid = snapshot['vmid']
|
||
|
|
identity = snapshot['installation_id']
|
||
|
|
current = records.get(vmid, snapshot)
|
||
|
|
if current.get('installation_id') != identity:
|
||
|
|
raise ValueError(f"{translate('The saved record was replaced for')} CT {vmid}")
|
||
|
|
membership = current.get('stack_member', {})
|
||
|
|
if membership.get('stack_id') != stack['id'] or membership.get('primary_vmid') != primary['vmid']:
|
||
|
|
raise ValueError(f"{translate('Inconsistent stack membership for')} CT {vmid}")
|
||
|
|
if current.get('status') != 'installed':
|
||
|
|
raise ValueError(f"{translate('A pending operation exists for')} CT {vmid}")
|
||
|
|
if vmid in inventory:
|
||
|
|
if inventory[vmid] != identity:
|
||
|
|
raise ValueError(f"{translate('Another instance uses')} VMID {vmid}")
|
||
|
|
if vmid not in records:
|
||
|
|
raise ValueError(f"{translate('The current record is missing for')} CT {vmid}")
|
||
|
|
else:
|
||
|
|
missing.append(vmid)
|
||
|
|
if current.get('deployment', {}).get('rootfs_adaptation_replay_required'):
|
||
|
|
blockers.append({'vmid': vmid, 'reason': 'dedicated-adapter-replay-required'})
|
||
|
|
members.append(copy.deepcopy(current))
|
||
|
|
if missing and operation == 'update':
|
||
|
|
raise ValueError(translate('Stack members are missing; recreate them after verifying their volumes'))
|
||
|
|
dependencies = [vmid for vmid in order if vmid != primary['vmid']]
|
||
|
|
return {
|
||
|
|
'operation': operation, 'primary_vmid': primary['vmid'],
|
||
|
|
'members': members, 'missing_members': missing,
|
||
|
|
'start_order': dependencies + [primary['vmid']],
|
||
|
|
'stop_order': [primary['vmid']] + list(reversed(dependencies)),
|
||
|
|
'blockers': blockers, 'volume_verification_required': bool(missing),
|
||
|
|
}
|