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SRS5: Refine default config file for SRS. v5.0.120

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1. Docker use srs.conf and env variables.
2. Show help if run SRS without any options.
3. Do not guess config file, use whatever from user.

PICK 07a9a005d5
This commit is contained in:
winlin 2022-12-31 09:38:59 +08:00
parent 39c9487a73
commit 4045971dea
5 changed files with 17 additions and 46 deletions
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54
trunk/src/app/srs_app_config.cpp
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@ -1837,8 +1837,8 @@ srs_error_t SrsConfig::parse_options(int argc, char** argv)
}
}
// Show help if has any argv
show_help = argc > 1;
// Show help if it has no argv
show_help = argc == 1;
for (int i = 1; i < argc; i++) {
if ((err = parse_argv(i, argv)) != srs_success) {
return srs_error_wrap(err, "parse argv");
@ -1858,54 +1858,22 @@ srs_error_t SrsConfig::parse_options(int argc, char** argv)
fprintf(stdout, "%s\n", RTMP_SIG_SRS_SERVER);
exit(0);
}
// first hello message.
// The first hello message.
srs_trace(_srs_version);
// Config the env_only_ by env.
if (getenv("SRS_ENV_ONLY")) env_only_ = true;
// Try config files as bellow:
// User specified config(not empty), like user/docker.conf
// If user specified *docker.conf, try *srs.conf, like user/srs.conf
// Try the default srs config, defined as SRS_CONF_DEFAULT_COFNIG_FILE, like conf/srs.conf
// Try config for FHS, like /etc/srs/srs.conf @see https://github.com/ossrs/srs/pull/2711
if (!env_only_) {
vector<string> try_config_files;
if (!config_file.empty()) {
try_config_files.push_back(config_file);
}
if (srs_string_ends_with(config_file, "docker.conf")) {
try_config_files.push_back(srs_string_replace(config_file, "docker.conf", "srs.conf"));
}
try_config_files.push_back(SRS_CONF_DEFAULT_COFNIG_FILE);
try_config_files.push_back("/etc/srs/srs.conf");
// Match the first exists file.
string exists_config_file;
for (int i = 0; i < (int) try_config_files.size(); i++) {
string try_config_file = try_config_files.at(i);
if (srs_path_exists(try_config_file)) {
exists_config_file = try_config_file;
break;
}
}
if (exists_config_file.empty()) {
return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "no config file at %s", srs_join_vector_string(try_config_files, ", ").c_str());
}
if (config_file != exists_config_file) {
srs_warn("user config %s does not exists, use %s instead", config_file.c_str(), exists_config_file.c_str());
config_file = exists_config_file;
}
// Overwrite the config by env SRS_CONFIG_FILE.
if (!env_only_ && !srs_getenv("srs.config.file").empty()) { // SRS_CONFIG_FILE
string ov = config_file; config_file = srs_getenv("srs.config.file");
srs_trace("ENV: Overwrite config %s to %s", ov.c_str(), config_file.c_str());
}
// Overwrite the config by env SRS_CONFIG_FILE.
if (!srs_getenv("srs.config.file").empty()) {
string ov = config_file;
config_file = srs_getenv("srs.config.file");
srs_trace("ENV: Overwrite config %s to %s", ov.c_str(), config_file.c_str());
// Make sure config file exists.
if (!env_only_ && !srs_path_exists(config_file)) {
return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "no config file at %s", config_file.c_str());
}
// Parse the matched config file.