diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index b172b44933..72d1bb54de 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -41,6 +41,7 @@ #include #include +#include "sd-bus.h" #include "sd-daemon.h" #include "sd-id128.h" @@ -49,6 +50,7 @@ #include "base-filesystem.h" #include "blkid-util.h" #include "btrfs-util.h" +#include "bus-util.h" #include "cap-list.h" #include "capability-util.h" #include "cgroup-util.h" @@ -1323,6 +1325,19 @@ static int setup_timezone(const char *dest) { return 0; } +static int resolved_running(void) { + _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL; + int r; + + /* Check if resolved is running */ + + r = sd_bus_open_system(&bus); + if (r < 0) + return r; + + return bus_name_has_owner(bus, "org.freedesktop.resolve1", NULL); +} + static int setup_resolv_conf(const char *dest) { _cleanup_free_ char *resolved = NULL, *etc = NULL; const char *where; @@ -1346,8 +1361,8 @@ static int setup_resolv_conf(const char *dest) { return 0; } - if (access("/run/systemd/resolve/resolv.conf", F_OK) >= 0 && - access("/usr/lib/systemd/resolv.conf", F_OK) >= 0) { + if (access("/usr/lib/systemd/resolv.conf", F_OK) >= 0 && + resolved_running() > 0) { /* resolved is enabled on the host. In this, case bind mount its static resolv.conf file into the * container, so that the container can use the host's resolver. Given that network namespacing is