3ccf7fdd96
The 'preserve' flag can be used to mark a peer so it is not removed or modified on upgrades. In addition, groups containing preserved peers are not removed. Fixes: #557
122 lines
2.6 KiB
Lua
Executable File
122 lines
2.6 KiB
Lua
Executable File
#!/usr/bin/lua
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local site = require 'gluon.site'
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local util = require 'gluon.util'
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local uci = require('simple-uci').cursor()
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local syslog_level = uci:get('fastd', 'mesh_vpn', 'syslog_level') or 'verbose'
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local methods
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if site.mesh_vpn.fastd.configurable(false) then
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local has_null = util.contains(site.mesh_vpn.fastd.methods(), 'null')
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local old_methods = uci:get('fastd', 'mesh_vpn', 'method')
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if old_methods then
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has_null = util.contains(old_methods, 'null')
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end
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methods = {}
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if has_null then
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table.insert(methods, 'null')
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end
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for _, method in ipairs(site.mesh_vpn.fastd.methods()) do
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if method ~= 'null' then
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table.insert(methods, method)
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end
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end
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else
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methods = site.mesh_vpn.fastd.methods()
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end
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uci:section('fastd', 'fastd', 'mesh_vpn', {
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group = 'gluon-mesh-vpn',
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syslog_level = syslog_level,
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interface = 'mesh-vpn',
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mode = 'tap',
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mtu = site.mesh_vpn.mtu(),
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secure_handshakes = true,
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method = methods,
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packet_mark = 1,
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status_socket = '/var/run/fastd.mesh_vpn.socket',
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})
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uci:delete('fastd', 'mesh_vpn', 'user')
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-- Collect list of groups that have peers with 'preserve' flag
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local preserve_groups = {}
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local function preserve_group(name)
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if not name or preserve_groups[name] then
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return
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end
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preserve_groups[name] = true
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local parent = uci:get('fastd', name, 'group')
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preserve_group(parent)
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end
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uci:foreach('fastd', 'peer', function(peer)
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if peer.net == 'mesh_vpn' and peer.preserve == '1' then
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preserve_group(peer.group)
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end
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end)
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-- Clean up previous configuration
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uci:delete_all('fastd', 'peer', function(peer)
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return (peer.net == 'mesh_vpn' and peer.preserve ~= '1')
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end)
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uci:delete_all('fastd', 'peer_group', function(group)
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return (group.net == 'mesh_vpn' and not preserve_groups[group['.name']])
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end)
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local add_groups
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local function add_peer(group, name, config)
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local uci_name = group .. '_peer_' .. name
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if uci:get_bool('fastd', uci_name, 'preserve') then
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return
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end
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uci:section('fastd', 'peer', uci_name, {
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enabled = true,
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net = 'mesh_vpn',
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group = group,
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key = config.key,
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remote = config.remotes,
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})
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end
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local function add_group(name, config, parent)
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uci:section('fastd', 'peer_group', name, {
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enabled = true,
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net = 'mesh_vpn',
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parent = parent,
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peer_limit = config.limit,
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})
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for peername, peerconfig in pairs(config.peers or {}) do
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add_peer(name, peername, peerconfig)
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end
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add_groups(name, config.groups, name)
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end
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-- declared local above
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function add_groups(prefix, groups, parent)
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for name, group in pairs(groups or {}) do
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add_group(prefix .. '_' .. name, group, parent)
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end
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end
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add_groups('mesh_vpn', site.mesh_vpn.fastd.groups())
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uci:save('fastd')
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