fusionpbx/resources/install/scripts/app/servers/resources/memcache.lua

97 lines
3.3 KiB
Lua

--description
--monitor custom memcache event and clear memcache on remote servers
--protect xmlrpc using a firewall on the server to limit access by ip address
--dependencies
--install mod_curl freeswitch module
--uncomment mod_curl from modules.conf when compiling freeswitch
--xmlrpc
--open port xmlrpc port for other master server IP addresses
--change the password for xmlrpc in system -> settings
--conf/autoload_configs/lua.conf.xml
-- <param name="startup-script" value="app/server/resources/memcache.lua"/>
--iptables
-- /sbin/iptables -I INPUT -j ACCEPT -p tcp --dport 8080 -s x.x.x.x/32
-- ubuntu: service iptables-persistent save
--define the servers running freeswitch do not include local
--[[
#put this in local.lua
servers = {}
x = 0;
servers[x] = {}
servers[x]['method'] = "curl";
servers[x]['username'] = "freeswitch";
servers[x]['password'] = "freeswitch";
servers[x]['hostname'] = "x.x.x.x";
servers[x]['port'] = "8080";
x = x + 1;
servers[x] = {}
servers[x]['method'] = "curl";
servers[x]['username'] = "freeswitch";
servers[x]['password'] = "freeswitch";
servers[x]['hostname'] = "x.x.x.x";
servers[x]['port'] = "8080";
]]
--includes config.lua which will include local.lua if it exists
require "resources.functions.config"
--subscribe to the events
--events = freeswitch.EventConsumer("all");
events = freeswitch.EventConsumer("CUSTOM");
--define trim
function trim (s)
return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
end
--prepare the api object
api = freeswitch.API();
--get the events
for event in (function() return events:pop(1) end) do
--serialize the data for the console
--freeswitch.consoleLog("notice","event:" .. event:serialize("xml") .. "\n");
--freeswitch.consoleLog("notice","event:" .. event:serialize("json") .. "\n");
--get the uuid
local api_command = event:getHeader("API-Command");
if (api_command ~= nil) then
api_command = trim(api_command);
freeswitch.consoleLog("NOTICE","api_command: "..api_command .. "\n");
end
if (api_command == "memcache") then
memcache_updated = false;
local api_command_argument = event:getHeader("API-Command-Argument");
if (api_command_argument ~= nil) then
api_command_argument = trim(api_command_argument);
end
if (api_command_argument ~= nil) then
if (api_command_argument == "flush") then
memcache_updated = true
end
if (string.sub(api_command_argument, 0, 6) == "delete") then
memcache_updated = true
end
if (memcache_updated) then
for key,row in pairs(servers) do
if (row.method == "ssh") then
api_command_argument = api_command_argument:gsub("%%20", " ");
cmd = [[ssh ]]..row.username..[[@]]..row.hostname..[[ "fs_cli -x 'memcache ]]..api_command_argument..[['"]];
freeswitch.consoleLog("INFO", "[notice] command: ".. cmd .. "\n");
os.execute(cmd);
end
if (row.method == "curl") then
api_command_argument = api_command_argument:gsub(" ", "%%20");
url = [[http://]]..row.username..[[:]]..row.password..[[@]]..row.hostname..[[:]]..row.port..[[/webapi/memcache?]]..api_command_argument;
os.execute("curl "..url);
freeswitch.consoleLog("INFO", "[notice] curl ".. url .. " \n");
end
end
end
end
end
end