53cf8796c7
An invalid branch may be set for various reasons: - Previous firmware had an invalid default branch - Branch list has changed and old UCI branch config was removed by a site-specific upgrade script - Manual UCI configuration
73 lines
1.9 KiB
Lua
Executable File
73 lines
1.9 KiB
Lua
Executable File
#!/usr/bin/lua
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local site = require 'gluon.site'
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local uci = require('simple-uci').cursor()
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local unistd = require 'posix.unistd'
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local min_branch
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for name, config in pairs(site.autoupdater.branches()) do
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uci:delete('autoupdater', name)
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uci:section('autoupdater', 'branch', name, {
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name = config.name,
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mirror = config.mirrors,
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good_signatures = config.good_signatures,
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pubkey = config.pubkeys,
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})
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if not min_branch or (name < min_branch) then
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min_branch = name
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end
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end
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local function default_branch()
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local f = io.open('/lib/gluon/autoupdater/default_branch')
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if f then
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local ret = f:read('*line')
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f:close()
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return ret
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end
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return site.autoupdater.branch(min_branch)
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end
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local enabled, branch
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if not uci:get('autoupdater', 'settings') then
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enabled = unistd.access('/lib/gluon/autoupdater/default_enabled') ~= nil
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end
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local old_branch = uci:get('autoupdater', 'settings', 'branch')
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if not old_branch or not uci:get('autoupdater', old_branch) then
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branch = default_branch()
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if not branch then
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enabled = false
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end
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end
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uci:section('autoupdater', 'autoupdater', 'settings', {
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enabled = enabled,
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branch = branch,
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})
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uci:set('autoupdater', 'settings', 'version_file', '/lib/gluon/release')
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uci:save('autoupdater')
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local urandom = io.open('/dev/urandom', 'r')
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local seed1, seed2 = urandom:read(2):byte(1, 2)
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math.randomseed(seed1*0x100 + seed2)
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urandom:close()
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-- Perform updates at a random time between 04:00 and 05:00, and once an hour
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-- a fallback update (used after the regular updates haven't worked for
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-- (priority+1) days after a firmware release, for example because the node
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-- is always offline at night)
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local minute = math.random(0, 59)
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local f = io.open('/usr/lib/micron.d/autoupdater', 'w')
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f:write(string.format('%i 4 * * * /usr/sbin/autoupdater\n', minute))
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f:write(string.format('%i 0-3,5-23 * * * /usr/sbin/autoupdater --fallback\n', minute))
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f:close()
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