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authorLennart Poettering <lennart@poettering.net>2015-09-07 19:53:34 +0200
committerLennart Poettering <lennart@poettering.net>2015-09-07 19:53:34 +0200
commit385080c09e48ea62a80525197f66f3347d96d2ce (patch)
tree8ae7f44ae8f7ba9658484d3fd7ca2c8b394de1af /src/machine/machine-dbus.c
parent2b7d6d33dc04d9ef370b51afe88d28be8a4f9f84 (diff)
machined: improve error message when trying to get a bus in bus-less containers
Now that we get useful error messages from sd-bus for container connections, let's make use of this and report better errors back to machined clients. Fixes #685.
Diffstat (limited to 'src/machine/machine-dbus.c')
-rw-r--r--src/machine/machine-dbus.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/machine/machine-dbus.c b/src/machine/machine-dbus.c
index fbeace0ed6..cc38116704 100644
--- a/src/machine/machine-dbus.c
+++ b/src/machine/machine-dbus.c
@@ -519,7 +519,7 @@ int bus_machine_method_open_pty(sd_bus_message *message, void *userdata, sd_bus_
return sd_bus_send(NULL, reply, NULL);
}
-static int container_bus_new(Machine *m, sd_bus **ret) {
+static int container_bus_new(Machine *m, sd_bus_error *error, sd_bus **ret) {
int r;
assert(m);
@@ -548,6 +548,8 @@ static int container_bus_new(Machine *m, sd_bus **ret) {
bus->is_system = true;
r = sd_bus_start(bus);
+ if (r == -ENOENT)
+ return sd_bus_error_set_errnof(error, r, "There is no system bus in container %s.", m->name);
if (r < 0)
return r;
@@ -602,7 +604,7 @@ int bus_machine_method_open_login(sd_bus_message *message, void *userdata, sd_bu
if (!p)
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "PTS name %s is invalid", pty_name);
- r = container_bus_new(m, &allocated_bus);
+ r = container_bus_new(m, error, &allocated_bus);
if (r < 0)
return r;
@@ -704,7 +706,7 @@ int bus_machine_method_open_shell(sd_bus_message *message, void *userdata, sd_bu
utmp_id = path_startswith(pty_name, "/dev/");
assert(utmp_id);
- r = container_bus_new(m, &allocated_bus);
+ r = container_bus_new(m, error, &allocated_bus);
if (r < 0)
return r;