Function extractConfigValues

programs/docker-init/docker-init.cpp:257–266

Extract multiple values from a ClickHouse config key (wildcard patterns return multiple lines).

/// Extract multiple values from a ClickHouse config key (wildcard patterns return multiple lines).
std::vector<std::string> extractConfigValues(const std::string & config_file, const std::string & key)
{
    auto [code, lines] = captureCommand({
        g_clickhouse_binary, "extract-from-config",
        "--config-file", config_file,
        "--key", key,
        "--try",
    });
    return (code == 0) ? std::move(lines) : std::vector<std::string>{};
}

/// Recursively chown a path. Logs warnings but does not abort on failure.
void recursiveChown(const std::string & path_str, uid_t uid, gid_t gid)