core: automatically update StandardOuput=syslog to =journal (and similar for StandardError=)
Let's go one step further and upgrade implicitly. Usually =syslog assignments are historic artifacts only. Let's upgrade the lines automatically, and politely suggest people update their unit files/configuration (and drop the lines altogether, without replacement). Fixes: #15807
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@ -219,17 +219,10 @@ static bool is_terminal_input(ExecInput i) {
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static bool is_terminal_output(ExecOutput o) {
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return IN_SET(o,
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EXEC_OUTPUT_TTY,
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EXEC_OUTPUT_SYSLOG_AND_CONSOLE,
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EXEC_OUTPUT_KMSG_AND_CONSOLE,
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EXEC_OUTPUT_JOURNAL_AND_CONSOLE);
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}
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static bool is_syslog_output(ExecOutput o) {
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return IN_SET(o,
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EXEC_OUTPUT_SYSLOG,
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EXEC_OUTPUT_SYSLOG_AND_CONSOLE);
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}
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static bool is_kmsg_output(ExecOutput o) {
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return IN_SET(o,
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EXEC_OUTPUT_KMSG,
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@ -361,7 +354,7 @@ static int connect_logger_as(
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params->flags & EXEC_PASS_LOG_UNIT ? unit->id : "",
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context->syslog_priority,
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!!context->syslog_level_prefix,
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is_syslog_output(output),
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false,
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is_kmsg_output(output),
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is_terminal_output(output)) < 0)
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return -errno;
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@ -664,8 +657,6 @@ static int setup_output(
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/* We don't reset the terminal if this is just about output */
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return open_terminal_as(exec_context_tty_path(context), O_WRONLY, fileno);
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case EXEC_OUTPUT_SYSLOG:
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case EXEC_OUTPUT_SYSLOG_AND_CONSOLE:
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case EXEC_OUTPUT_KMSG:
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case EXEC_OUTPUT_KMSG_AND_CONSOLE:
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case EXEC_OUTPUT_JOURNAL:
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@ -4736,17 +4727,13 @@ void exec_context_dump(const ExecContext *c, FILE* f, const char *prefix) {
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prefix, yes_no(c->tty_vt_disallocate));
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if (IN_SET(c->std_output,
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EXEC_OUTPUT_SYSLOG,
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EXEC_OUTPUT_KMSG,
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EXEC_OUTPUT_JOURNAL,
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EXEC_OUTPUT_SYSLOG_AND_CONSOLE,
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EXEC_OUTPUT_KMSG_AND_CONSOLE,
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EXEC_OUTPUT_JOURNAL_AND_CONSOLE) ||
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IN_SET(c->std_error,
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EXEC_OUTPUT_SYSLOG,
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EXEC_OUTPUT_KMSG,
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EXEC_OUTPUT_JOURNAL,
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EXEC_OUTPUT_SYSLOG_AND_CONSOLE,
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EXEC_OUTPUT_KMSG_AND_CONSOLE,
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EXEC_OUTPUT_JOURNAL_AND_CONSOLE)) {
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@ -5764,8 +5751,6 @@ static const char* const exec_output_table[_EXEC_OUTPUT_MAX] = {
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[EXEC_OUTPUT_INHERIT] = "inherit",
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[EXEC_OUTPUT_NULL] = "null",
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[EXEC_OUTPUT_TTY] = "tty",
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[EXEC_OUTPUT_SYSLOG] = "syslog",
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[EXEC_OUTPUT_SYSLOG_AND_CONSOLE] = "syslog+console",
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[EXEC_OUTPUT_KMSG] = "kmsg",
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[EXEC_OUTPUT_KMSG_AND_CONSOLE] = "kmsg+console",
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[EXEC_OUTPUT_JOURNAL] = "journal",
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@ -52,8 +52,6 @@ typedef enum ExecOutput {
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EXEC_OUTPUT_INHERIT,
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EXEC_OUTPUT_NULL,
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EXEC_OUTPUT_TTY,
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EXEC_OUTPUT_SYSLOG,
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EXEC_OUTPUT_SYSLOG_AND_CONSOLE,
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EXEC_OUTPUT_KMSG,
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EXEC_OUTPUT_KMSG_AND_CONSOLE,
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EXEC_OUTPUT_JOURNAL,
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@ -1099,6 +1099,7 @@ int config_parse_exec_output(
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const char *n;
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ExecContext *c = data;
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const Unit *u = userdata;
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bool obsolete = false;
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ExecOutput eo;
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int r;
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@ -1123,6 +1124,14 @@ int config_parse_exec_output(
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eo = EXEC_OUTPUT_NAMED_FD;
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} else if (streq(rvalue, "syslog")) {
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eo = EXEC_OUTPUT_JOURNAL;
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obsolete = true;
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} else if (streq(rvalue, "syslog+console")) {
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eo = EXEC_OUTPUT_JOURNAL_AND_CONSOLE;
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obsolete = true;
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} else if ((n = startswith(rvalue, "file:"))) {
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r = unit_full_printf(u, n, &resolved);
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@ -1154,6 +1163,11 @@ int config_parse_exec_output(
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}
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}
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if (obsolete)
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log_syntax(unit, LOG_NOTICE, filename, line, 0,
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"Standard output type %s is obsolete, automatically updating to %s. Please update your unit file, and consider removing the setting altogether.",
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rvalue, exec_output_to_string(eo));
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if (streq(lvalue, "StandardOutput")) {
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if (eo == EXEC_OUTPUT_NAMED_FD)
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free_and_replace(c->stdio_fdname[STDOUT_FILENO], resolved);
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@ -5051,22 +5065,36 @@ int config_parse_output_restricted(
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void *userdata) {
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ExecOutput t, *eo = data;
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bool obsolete = false;
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assert(filename);
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assert(lvalue);
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assert(rvalue);
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assert(data);
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t = exec_output_from_string(rvalue);
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if (t < 0) {
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log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse output type, ignoring: %s", rvalue);
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return 0;
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if (streq(rvalue, "syslog")) {
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t = EXEC_OUTPUT_JOURNAL;
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obsolete = true;
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} else if (streq(rvalue, "syslog+console")) {
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t = EXEC_OUTPUT_JOURNAL_AND_CONSOLE;
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obsolete = true;
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} else {
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t = exec_output_from_string(rvalue);
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if (t < 0) {
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log_syntax(unit, LOG_ERR, filename, line, 0, "Failed to parse output type, ignoring: %s", rvalue);
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return 0;
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}
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if (IN_SET(t, EXEC_OUTPUT_SOCKET, EXEC_OUTPUT_NAMED_FD, EXEC_OUTPUT_FILE, EXEC_OUTPUT_FILE_APPEND)) {
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log_syntax(unit, LOG_ERR, filename, line, 0, "Standard output types socket, fd:, file:, append: are not supported as defaults, ignoring: %s", rvalue);
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return 0;
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}
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}
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if (IN_SET(t, EXEC_OUTPUT_SOCKET, EXEC_OUTPUT_NAMED_FD, EXEC_OUTPUT_FILE, EXEC_OUTPUT_FILE_APPEND)) {
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log_syntax(unit, LOG_ERR, filename, line, 0, "Standard output types socket, fd:, file:, append: are not supported as defaults, ignoring: %s", rvalue);
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return 0;
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}
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if (obsolete)
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log_syntax(unit, LOG_NOTICE, filename, line, 0,
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"Standard output type %s is obsolete, automatically updating to %s. Please update your configuration.",
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rvalue, exec_output_to_string(t));
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*eo = t;
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return 0;
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@ -1123,12 +1123,10 @@ int unit_add_exec_dependencies(Unit *u, ExecContext *c) {
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if (!IN_SET(c->std_output,
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EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE,
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EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE,
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EXEC_OUTPUT_SYSLOG, EXEC_OUTPUT_SYSLOG_AND_CONSOLE) &&
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EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE) &&
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!IN_SET(c->std_error,
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EXEC_OUTPUT_JOURNAL, EXEC_OUTPUT_JOURNAL_AND_CONSOLE,
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EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE,
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EXEC_OUTPUT_SYSLOG, EXEC_OUTPUT_SYSLOG_AND_CONSOLE) &&
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EXEC_OUTPUT_KMSG, EXEC_OUTPUT_KMSG_AND_CONSOLE) &&
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!c->log_namespace)
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return 0;
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