Erlang中的各类文件

［按］
还是多看看这个http://erlangdisplay.iteye.com/category/53509,实战性强，俺是标题党。

理解Erlang中的各类配置文件和资源文件，对分布式系统的部署和运维有重要意义。参见Erlang/OTP System Principles.

source file
.erl
.hrl

configure file
node application configure file
# erl -sname cp1 -config <ConfigFile>

%% no tty 
[
{kernel, [
    {start_boot_server, true}, 
    %% {boot_server_slaves, ['127.0.0.1']}, 
    {error_logger, {file, "/home/gj/error_logs/debug.log"}}
	]},

{sasl, [	 
	 %% minimise shell error logging
	 %% {sasl_error_logger, false},
     %% only report errors
	 %% {errlog_type, all},
	 %% define the parameters of the rotating log
	 %% the log file directory
	 %% {error_logger_mf_dir,"/home/gj/error_logs"},	
     %% # bytes per logfile
	 %% {error_logger_mf_maxbytes,10485760}, % 10 MB
     %% maximum number of
	 %% {error_logger_mf_maxfiles, 10}
	]}
].

resource file
.app

{application, efs, [
    {description, "EFS Distributed File System"},
    {vsn, "0.0.1"},
    {modules, [
        efs_app, 
        efs_sup, 
        libefs,
        efs, 
        efs_mds,
            efs_mds_model,
            efs_mds_chkpool,
            efs_mds_diskpool,
        efs_cds,
            efs_cds_model,
        efs_test
        ]},
    {registered, [efs_sup, efs, efs_mds]},
    {applications, [kernel, stdlib]},
    {mod, {efs_app, [mds,{cds,4},client]}},
    {start_phases, []}
]}.

.rel

script file
.script
.boot

upgrade file
.appup
.relup