If I want to run a container as a service, it would be nice if it used the
service
cgroup configuration
---
src/nspawn/nspawn.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 1394ee6..9042412 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -83,6 +83,7 @@ static char *arg_machine = NULL;
static char *process_label = NULL;
static char *file_label = NULL;
static const char *arg_slice = NULL;
+static bool arg_service = false;
static bool arg_private_network = false;
static bool arg_read_only = false;
static bool arg_boot = false;
@@ -134,6 +135,7 @@ static int help(void) {
" -Z --processlabel=LABEL Set the MAC Label to be used by
processes in container\n"
" --private-network Disable network in container\n"
" --read-only Mount the root directory
read-only\n"
+ " -s --service Run this container as a service not
a machine\n"
" --capability=CAP In addition to the default, retain
specified\n"
" capability\n"
" --drop-capability=CAP Drop the specified capability from
the default set\n"
@@ -182,6 +184,7 @@ static int parse_argv(int argc, char *argv[]) {
{ "setenv", required_argument, NULL, ARG_SETENV
},
{ "label", required_argument, NULL, 'Z'
},
{ "filelabel", required_argument, NULL, 'L'
},
+ { "service", no_argument, NULL, 's'
},
{}
};
@@ -190,7 +193,7 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "+hD:u:bL:M:jS:Z:", options,
NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "+hD:u:bL:M:jsS:Z:", options,
NULL)) >= 0) {
switch (c) {
@@ -269,6 +272,10 @@ static int parse_argv(int argc, char *argv[]) {
break;
+ case 's':
+ arg_service = true;
+ break;
+
case ARG_READ_ONLY:
arg_read_only = true;
break;
@@ -1561,9 +1568,11 @@ int main(int argc, char *argv[]) {
fdset_free(fds);
fds = NULL;
- r = register_machine(pid);
- if (r < 0)
- goto finish;
+ if (! arg_service) {
+ r = register_machine(pid);
+ if (r < 0)
+ goto finish;
+ }
eventfd_write(sync_fd, 1);
close_nointr_nofail(sync_fd);
--
1.8.5.3
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