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authorLennart Poettering <lennart@poettering.net>2015-08-24 22:17:52 +0200
committerLennart Poettering <lennart@poettering.net>2015-08-24 22:46:45 +0200
commit91913f584af38b29a816cca959ba648acd60ac9f (patch)
treed172d633a4b7cdf8bf30b336218fe5720c18255d /src
parent4289c3a725062e2750da0baaf67fc53ba90e4739 (diff)
machinectl: make machine name parameters for "shell" and "login" optional
If no machine name is specified, imply that we connect to ".host", i.e. the local host.
Diffstat (limited to 'src')
-rw-r--r--src/machine/machinectl.c51
1 files changed, 30 insertions, 21 deletions
diff --git a/src/machine/machinectl.c b/src/machine/machinectl.c
index 0f9e732ada..08a2d3fe4d 100644
--- a/src/machine/machinectl.c
+++ b/src/machine/machinectl.c
@@ -1186,7 +1186,10 @@ static int process_forward(sd_event *event, PTYForward **forward, int master, bo
assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGWINCH, SIGTERM, SIGINT, -1) >= 0);
- log_info("Connected to machine %s. Press ^] three times within 1s to exit session.", name);
+ if (streq(name, ".host"))
+ log_info("Connected to the local host. Press ^] three times within 1s to exit session.");
+ else
+ log_info("Connected to machine %s. Press ^] three times within 1s to exit session.", name);
sd_event_add_signal(event, NULL, SIGINT, NULL, NULL);
sd_event_add_signal(event, NULL, SIGTERM, NULL, NULL);
@@ -1212,6 +1215,8 @@ static int process_forward(sd_event *event, PTYForward **forward, int master, bo
if (machine_died)
log_info("Machine %s terminated.", name);
+ else if (streq(name, ".host"))
+ log_info("Connection to the local host terminated.");
else
log_info("Connection to machine %s terminated.", name);
@@ -1227,7 +1232,7 @@ static int login_machine(int argc, char *argv[], void *userdata) {
_cleanup_event_unref_ sd_event *event = NULL;
int master = -1, r;
sd_bus *bus = userdata;
- const char *pty, *match;
+ const char *pty, *match, *machine;
assert(bus);
@@ -1252,14 +1257,14 @@ static int login_machine(int argc, char *argv[], void *userdata) {
if (r < 0)
return log_error_errno(r, "Failed to attach bus to event loop: %m");
+ machine = argc < 2 || isempty(argv[1]) ? ".host" : argv[1];
+
match = strjoina("type='signal',"
"sender='org.freedesktop.machine1',"
"path='/org/freedesktop/machine1',",
"interface='org.freedesktop.machine1.Manager',"
"member='MachineRemoved',"
- "arg0='",
- argv[1],
- "'");
+ "arg0='", machine, "'");
r = sd_bus_add_match(bus, &slot, match, on_machine_removed, &forward);
if (r < 0)
@@ -1273,7 +1278,7 @@ static int login_machine(int argc, char *argv[], void *userdata) {
"OpenMachineLogin",
&error,
&reply,
- "s", argv[1]);
+ "s", machine);
if (r < 0) {
log_error("Failed to get login PTY: %s", bus_error_message(&error, -r));
return r;
@@ -1283,7 +1288,7 @@ static int login_machine(int argc, char *argv[], void *userdata) {
if (r < 0)
return bus_log_parse_error(r);
- return process_forward(event, &forward, master, true, argv[1]);
+ return process_forward(event, &forward, master, true, machine);
}
static int shell_machine(int argc, char *argv[], void *userdata) {
@@ -1294,7 +1299,7 @@ static int shell_machine(int argc, char *argv[], void *userdata) {
_cleanup_event_unref_ sd_event *event = NULL;
int master = -1, r;
sd_bus *bus = userdata;
- const char *pty, *match;
+ const char *pty, *match, *machine, *path;
assert(bus);
@@ -1314,14 +1319,14 @@ static int shell_machine(int argc, char *argv[], void *userdata) {
if (r < 0)
return log_error_errno(r, "Failed to attach bus to event loop: %m");
+ machine = argc < 2 || isempty(argv[1]) ? ".host" : argv[1];
+
match = strjoina("type='signal',"
"sender='org.freedesktop.machine1',"
"path='/org/freedesktop/machine1',",
"interface='org.freedesktop.machine1.Manager',"
"member='MachineRemoved',"
- "arg0='",
- argv[1],
- "'");
+ "arg0='", machine, "'");
r = sd_bus_add_match(bus, &slot, match, on_machine_removed, &forward);
if (r < 0)
@@ -1337,11 +1342,13 @@ static int shell_machine(int argc, char *argv[], void *userdata) {
if (r < 0)
return bus_log_create_error(r);
- r = sd_bus_message_append(m, "sss", argv[1], arg_uid, argv[2]);
+ path = argc < 3 || isempty(argv[2]) ? NULL : argv[2];
+
+ r = sd_bus_message_append(m, "sss", machine, arg_uid, path);
if (r < 0)
return bus_log_create_error(r);
- r = sd_bus_message_append_strv(m, strv_length(argv + 2) <= 1 ? NULL : argv + 2);
+ r = sd_bus_message_append_strv(m, strv_length(argv) <= 3 ? NULL : argv + 2);
if (r < 0)
return bus_log_create_error(r);
@@ -1359,7 +1366,7 @@ static int shell_machine(int argc, char *argv[], void *userdata) {
if (r < 0)
return bus_log_parse_error(r);
- return process_forward(event, &forward, master, false, argv[1]);
+ return process_forward(event, &forward, master, false, machine);
}
static int remove_image(int argc, char *argv[], void *userdata) {
@@ -2429,10 +2436,12 @@ static int help(int argc, char *argv[], void *userdata) {
"Machine Commands:\n"
" list List running VMs and containers\n"
" status NAME... Show VM/container details\n"
- " show NAME... Show properties of one or more VMs/containers\n"
+ " show [NAME...] Show properties of one or more VMs/containers\n"
" start NAME... Start container as a service\n"
- " login NAME Get a login prompt on a container\n"
- " shell NAME [COMMAND...] Invoke a shell (or other command) in a container\n"
+ " login [NAME] Get a login prompt in a container or on the\n"
+ " local host\n"
+ " shell [NAME] [COMMAND...] Invoke a shell (or other command) in a container\n"
+ " or the local host\n"
" enable NAME... Enable automatic container start at boot\n"
" disable NAME... Disable automatic container start at boot\n"
" poweroff NAME... Power off one or more containers\n"
@@ -2444,8 +2453,8 @@ static int help(int argc, char *argv[], void *userdata) {
" bind NAME PATH [PATH] Bind mount a path from the host into a container\n\n"
"Image Commands:\n"
" list-images Show available container and VM images\n"
- " image-status NAME... Show image details\n"
- " show-image NAME... Show properties of image\n"
+ " image-status [NAME...] Show image details\n"
+ " show-image [NAME...] Show properties of image\n"
" clone NAME NAME Clone an image\n"
" rename NAME NAME Rename an image\n"
" read-only NAME [BOOL] Mark or unmark image read-only\n"
@@ -2677,8 +2686,8 @@ static int machinectl_main(int argc, char *argv[], sd_bus *bus) {
{ "reboot", 2, VERB_ANY, 0, reboot_machine },
{ "poweroff", 2, VERB_ANY, 0, poweroff_machine },
{ "kill", 2, VERB_ANY, 0, kill_machine },
- { "login", 2, 2, 0, login_machine },
- { "shell", 2, VERB_ANY, 0, shell_machine },
+ { "login", VERB_ANY, 2, 0, login_machine },
+ { "shell", VERB_ANY, VERB_ANY, 0, shell_machine },
{ "bind", 3, 4, 0, bind_mount },
{ "copy-to", 3, 4, 0, copy_files },
{ "copy-from", 3, 4, 0, copy_files },