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manman-sync: multiple remotes

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This commit is contained in:
Maciej Krüger 2022-01-11 14:06:49 +01:00 committed by Alexander List
parent 5b94764ca7
commit fc6c753d82
2 changed files with 39 additions and 18 deletions
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2
package/gluon-manman-sync/check_site.lua
View File

@ -1,2 +1,2 @@
need_string(in_site({'manman', 'api'}), false)
-- need_array_of(in_site({'manman', 'api'}), string(), false)
need_string(in_site({'manman', 'key'}), false)

45
package/gluon-manman-sync/luasrc/usr/bin/manman-sync
View File

@ -21,8 +21,17 @@ local mappings = {
eth = 'lan'
}
function fetch_signed_json(url)
local code, res, result = fetch.request_raw(manapi .. url)
-- https://gist.github.com/Uradamus/10323382
local function shuffle(tbl)
for i = #tbl, 2, -1 do
local j = math.random(i)
tbl[i], tbl[j] = tbl[j], tbl[i]
end
return tbl
end
local function fetch_signed_json(remote, url)
local code, res, result = fetch.request_raw(remote .. url)
if code < 1 then
print('E: failed to fetch')
@ -84,20 +93,33 @@ if uci:get_bool('gluon-manman-sync', 'sync', 'enabled') then
-- check manman reachability, abort if not reachable
local success, a, b, c = pcall(function() return fetch.request_raw(manapi .. '/') end)
local working_remote
for _, remote in ipairs(shuffle(manapi)) do
if not working_remote then -- don't try other remotes if we got one that works
print('Trying remote ' .. remote)
local success, a, b, c = pcall(function() return fetch.request_raw(remote .. '/') end)
if not success then
print('E: couldnt reach manman: ' .. a)
return 1
else
if a ~= 200 then
print('E: couldnt reach manman - unexpected fetch result', a, b, c)
return 1
else
working_remote = remote
end
end
end
end
if not working_remote then
print('E: couldnt reach any manapi server, giving up')
return 1
end
-- try to fetch data
print('Fetching manman data...')
local err, location = fetch_signed_json('/location/show/' .. location_id)
local err, location = fetch_signed_json(working_remote, '/location/show/' .. location_id)
if err then
return err
end
@ -110,11 +132,10 @@ if uci:get_bool('gluon-manman-sync', 'sync', 'enabled') then
uci:set('gluon-node-info', 'location', 'longitutde', location.location.long)
local node
local should_hostname
if #location.nodes > 1 then
for i, potential_node in ipairs(location.nodes) do
for _, potential_node in ipairs(location.nodes) do
if potential_node.name == hostname then
node = potential_node
should_hostname = location.location.name .. '-' .. node.name
@ -143,14 +164,14 @@ if uci:get_bool('gluon-manman-sync', 'sync', 'enabled') then
-- if yes, apply changes and do gluon-reload
for i, net in ipairs(node.interfaces) do
net_name = net.name
net_mapped = mappings[net_name] or net_name
for _, net in ipairs(node.interfaces) do
local net_name = net.name
local net_mapped = mappings[net_name] or net_name
if not string.find(net_mapped, '_') then
net_mapped = 'mesh_' .. net_mapped
end
cidr = ip.new(net.ip, net.netmask):string()
local cidr = ip.new(net.ip, net.netmask):string()
print('Syncing ' .. net_name .. ' as ' .. net_mapped .. ' to ' .. cidr)
uci:set('gluon-static-ip', net_mapped, 'ip4', cidr)