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systemctl mask of an non-existent unit should print a warning (#3521)

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fixes https://bugzilla.redhat.com/show_bug.cgi?id=842060
This commit is contained in:
Susant Sahani 2016-06-29 01:57:07 +05:30 committed by Zbigniew Jędrzejewski-Szmek
parent a1abf5ea7f
commit d6568222d7
1 changed files with 48 additions and 0 deletions
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48
src/systemctl/systemctl.c
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@ -5605,6 +5605,46 @@ static int mangle_names(char **original_names, char ***mangled_names) {
return 0;
}
static int unit_exists(const char *unit) {
_cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL;
_cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_free_ char *path = NULL;
static const struct bus_properties_map property_map[] = {
{ "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) },
{ "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)},
{},
};
UnitStatusInfo info = {};
sd_bus *bus;
int r;
path = unit_dbus_path_from_name(unit);
if (!path)
return log_oom();
r = acquire_bus(BUS_MANAGER, &bus);
if (r < 0)
return r;
r = sd_bus_call_method(
bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.DBus.Properties",
"GetAll",
&error,
&reply,
"s", "");
if (r < 0)
return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r));
r = bus_message_map_all_properties(reply, property_map, &info);
if (r < 0)
return log_error_errno(r, "Failed to map properties: %s", bus_error_message(&error, r));
return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive");
}
static int enable_unit(int argc, char *argv[], void *userdata) {
_cleanup_strv_free_ char **names = NULL;
const char *verb = argv[0];
@ -5666,6 +5706,14 @@ static int enable_unit(int argc, char *argv[], void *userdata) {
const char *method;
sd_bus *bus;
if (STR_IN_SET(verb, "mask", "unmask")) {
r = unit_exists(*names);
if (r < 0)
return r;
if (r == 0)
log_notice("Unit %s does not exist, proceeding anyway.", *names);
}
r = acquire_bus(BUS_MANAGER, &bus);
if (r < 0)
return r;