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qga-pull-2023-05-04 

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Merge tag 'qga-pull-2023-05-04' of https://github.com/kostyanf14/qemu into staging

qga-pull-2023-05-04

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# gpg:                using RSA key C2C2C109EA43C63C1423EB84EF5D5E8161BA84E7
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# Primary key fingerprint: C2C2 C109 EA43 C63C 1423  EB84 EF5D 5E81 61BA 84E7

* tag 'qga-pull-2023-05-04' of https://github.com/kostyanf14/qemu:
  qga: Fix suspend on Linux guests without systemd
  qga/commands-win32.c: Drop the check for _WIN32_WINNT >= 0x0601
  qga: test: Add tests for `merged` flag
  qga: Add `merged` variant to GuestExecCaptureOutputMode
  qga: Refactor guest-exec capture-output to take enum
  qga/linux: add usb support to guest-get-fsinfo

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
master
Richard Henderson 2023-05-04 12:07:59 +01:00
parent 1488ccb9b6 86dcb6ab9b
commit f6b761bdbd
5 changed files with 248 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
qga/commands-posix.c
View File

@ -879,7 +879,9 @@ static bool build_guest_fsinfo_for_pci_dev(char const *syspath,
g_str_equal(driver, "sym53c8xx") ||
g_str_equal(driver, "virtio-pci") ||
g_str_equal(driver, "ahci") ||
g_str_equal(driver, "nvme"))) {
g_str_equal(driver, "nvme") ||
g_str_equal(driver, "xhci_hcd") ||
g_str_equal(driver, "ehci-pci"))) {
break;
}
@ -976,6 +978,8 @@ static bool build_guest_fsinfo_for_pci_dev(char const *syspath,
}
} else if (strcmp(driver, "nvme") == 0) {
disk->bus_type = GUEST_DISK_BUS_TYPE_NVME;
} else if (strcmp(driver, "ehci-pci") == 0 || strcmp(driver, "xhci_hcd") == 0) {
disk->bus_type = GUEST_DISK_BUS_TYPE_USB;
} else {
g_debug("unknown driver '%s' (sysfs path '%s')", driver, syspath);
goto cleanup;
@ -1918,10 +1922,10 @@ static void guest_suspend(SuspendMode mode, Error **errp)
if (systemd_supports_mode(mode, &local_err)) {
mode_supported = true;
systemd_suspend(mode, &local_err);
}
if (!local_err) {
return;
if (!local_err) {
return;
}
}
error_free(local_err);
@ -1930,10 +1934,10 @@ static void guest_suspend(SuspendMode mode, Error **errp)
if (pmutils_supports_mode(mode, &local_err)) {
mode_supported = true;
pmutils_suspend(mode, &local_err);
}
if (!local_err) {
return;
if (!local_err) {
return;
}
}
error_free(local_err);

2
qga/commands-win32.c
View File

@ -484,7 +484,6 @@ static GuestDiskBusType win2qemu[] = {
[BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
[BusTypeSd] = GUEST_DISK_BUS_TYPE_SD,
[BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
#if (_WIN32_WINNT >= 0x0601)
[BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
[BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
/*
@ -492,7 +491,6 @@ static GuestDiskBusType win2qemu[] = {
*/
[BusTypeSpaces] = GUEST_DISK_BUS_TYPE_UNKNOWN,
[BusTypeNvme] = GUEST_DISK_BUS_TYPE_NVME,
#endif
};
static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)

62
qga/commands.c
View File

@ -270,12 +270,26 @@ static void guest_exec_child_watch(GPid pid, gint status, gpointer data)
g_spawn_close_pid(pid);
}
/** Reset ignored signals back to default. */
static void guest_exec_task_setup(gpointer data)
{
#if !defined(G_OS_WIN32)
bool has_merge = *(bool *)data;
struct sigaction sigact;
if (has_merge) {
/*
* FIXME: When `GLIB_VERSION_MIN_REQUIRED` is bumped to 2.58+, use
* g_spawn_async_with_fds() to be portable on windows. The current
* logic does not work on windows b/c `GSpawnChildSetupFunc` is run
* inside the parent, not the child.
*/
if (dup2(STDOUT_FILENO, STDERR_FILENO) != 0) {
slog("dup2() failed to merge stderr into stdout: %s",
strerror(errno));
}
}
/* Reset ignored signals back to default. */
memset(&sigact, 0, sizeof(struct sigaction));
sigact.sa_handler = SIG_DFL;
@ -379,11 +393,23 @@ close:
return false;
}
static GuestExecCaptureOutputMode ga_parse_capture_output(
GuestExecCaptureOutput *capture_output)
{
if (!capture_output)
return GUEST_EXEC_CAPTURE_OUTPUT_MODE_NONE;
else if (capture_output->type == QTYPE_QBOOL)
return capture_output->u.flag ? GUEST_EXEC_CAPTURE_OUTPUT_MODE_SEPARATED
: GUEST_EXEC_CAPTURE_OUTPUT_MODE_NONE;
else
return capture_output->u.mode;
}
GuestExec *qmp_guest_exec(const char *path,
bool has_arg, strList *arg,
bool has_env, strList *env,
const char *input_data,
bool has_capture_output, bool capture_output,
GuestExecCaptureOutput *capture_output,
Error **errp)
{
GPid pid;
@ -396,7 +422,9 @@ GuestExec *qmp_guest_exec(const char *path,
gint in_fd, out_fd, err_fd;
GIOChannel *in_ch, *out_ch, *err_ch;
GSpawnFlags flags;
bool has_output = (has_capture_output && capture_output);
bool has_output = false;
bool has_merge = false;
GuestExecCaptureOutputMode output_mode;
g_autofree uint8_t *input = NULL;
size_t ninput = 0;
@ -415,12 +443,36 @@ GuestExec *qmp_guest_exec(const char *path,
flags = G_SPAWN_SEARCH_PATH | G_SPAWN_DO_NOT_REAP_CHILD |
G_SPAWN_SEARCH_PATH_FROM_ENVP;
if (!has_output) {
output_mode = ga_parse_capture_output(capture_output);
switch (output_mode) {
case GUEST_EXEC_CAPTURE_OUTPUT_MODE_NONE:
flags |= G_SPAWN_STDOUT_TO_DEV_NULL | G_SPAWN_STDERR_TO_DEV_NULL;
break;
case GUEST_EXEC_CAPTURE_OUTPUT_MODE_STDOUT:
has_output = true;
flags |= G_SPAWN_STDERR_TO_DEV_NULL;
break;
case GUEST_EXEC_CAPTURE_OUTPUT_MODE_STDERR:
has_output = true;
flags |= G_SPAWN_STDOUT_TO_DEV_NULL;
break;
case GUEST_EXEC_CAPTURE_OUTPUT_MODE_SEPARATED:
has_output = true;
break;
#if !defined(G_OS_WIN32)
case GUEST_EXEC_CAPTURE_OUTPUT_MODE_MERGED:
has_output = true;
has_merge = true;
break;
#endif
case GUEST_EXEC_CAPTURE_OUTPUT_MODE__MAX:
/* Silence warning; impossible branch */
break;
}
ret = g_spawn_async_with_pipes(NULL, argv, envp, flags,
guest_exec_task_setup, NULL, &pid, input_data ? &in_fd : NULL,
guest_exec_task_setup, &has_merge, &pid, input_data ? &in_fd : NULL,
has_output ? &out_fd : NULL, has_output ? &err_fd : NULL, &gerr);
if (!ret) {
error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);

36
qga/qapi-schema.json
View File

@ -1200,6 +1200,40 @@
{ 'struct': 'GuestExec',
'data': { 'pid': 'int'} }
##
# @GuestExecCaptureOutputMode:
#
# An enumeration of guest-exec capture modes.
#
# @none: do not capture any output
# @stdout: only capture stdout
# @stderr: only capture stderr
# @separated: capture both stdout and stderr, but separated into
# GuestExecStatus out-data and err-data, respectively
# @merged: capture both stdout and stderr, but merge together
# into out-data. not effective on windows guests.
#
# Since: 8.0
##
{ 'enum': 'GuestExecCaptureOutputMode',
'data': [ 'none', 'stdout', 'stderr', 'separated',
{ 'name': 'merged', 'if': { 'not': 'CONFIG_WIN32' } } ] }
##
# @GuestExecCaptureOutput:
#
# Controls what guest-exec output gets captures.
#
# @flag: captures both stdout and stderr if true. Equivalent
# to GuestExecCaptureOutputMode::all. (since 2.5)
# @mode: capture mode; preferred interface
#
# Since: 8.0
##
{ 'alternate': 'GuestExecCaptureOutput',
'data': { 'flag': 'bool',
'mode': 'GuestExecCaptureOutputMode'} }
##
# @guest-exec:
#
@ -1218,7 +1252,7 @@
##
{ 'command': 'guest-exec',
'data': { 'path': 'str', '*arg': ['str'], '*env': ['str'],
'*input-data': 'str', '*capture-output': 'bool' },
'*input-data': 'str', '*capture-output': 'GuestExecCaptureOutput' },
'returns': 'GuestExec' }

166
tests/unit/test-qga.c
View File

@ -755,32 +755,16 @@ static void test_qga_fsfreeze_status(gconstpointer fix)
g_assert_cmpstr(status, ==, "thawed");
}
static void test_qga_guest_exec(gconstpointer fix)
static QDict *wait_for_guest_exec_completion(int fd, int64_t pid)
{
const TestFixture *fixture = fix;
g_autoptr(QDict) ret = NULL;
QDict *val;
const gchar *out;
g_autofree guchar *decoded = NULL;
int64_t pid, now, exitcode;
gsize len;
QDict *ret = NULL;
int64_t now;
bool exited;
QDict *val;
/* exec 'echo foo bar' */
ret = qmp_fd(fixture->fd, "{'execute': 'guest-exec', 'arguments': {"
" 'path': '/bin/echo', 'arg': [ '-n', '\" test_str \"' ],"
" 'capture-output': true } }");
g_assert_nonnull(ret);
qmp_assert_no_error(ret);
val = qdict_get_qdict(ret, "return");
pid = qdict_get_int(val, "pid");
g_assert_cmpint(pid, >, 0);
qobject_unref(ret);
/* wait for completion */
now = g_get_monotonic_time();
do {
ret = qmp_fd(fixture->fd,
ret = qmp_fd(fd,
"{'execute': 'guest-exec-status',"
" 'arguments': { 'pid': %" PRId64 " } }", pid);
g_assert_nonnull(ret);
@ -793,7 +777,34 @@ static void test_qga_guest_exec(gconstpointer fix)
g_get_monotonic_time() < now + 5 * G_TIME_SPAN_SECOND);
g_assert(exited);
return ret;
}
static void test_qga_guest_exec(gconstpointer fix)
{
const TestFixture *fixture = fix;
g_autoptr(QDict) ret = NULL;
QDict *val;
const gchar *out;
g_autofree guchar *decoded = NULL;
int64_t pid, exitcode;
gsize len;
/* exec 'echo foo bar' */
ret = qmp_fd(fixture->fd, "{'execute': 'guest-exec', 'arguments': {"
" 'path': '/bin/echo', 'arg': [ '-n', '\" test_str \"' ],"
" 'capture-output': true } }");
g_assert_nonnull(ret);
qmp_assert_no_error(ret);
val = qdict_get_qdict(ret, "return");
pid = qdict_get_int(val, "pid");
g_assert_cmpint(pid, >, 0);
qobject_unref(ret);
ret = wait_for_guest_exec_completion(fixture->fd, pid);
/* check stdout */
val = qdict_get_qdict(ret, "return");
exitcode = qdict_get_int(val, "exitcode");
g_assert_cmpint(exitcode, ==, 0);
out = qdict_get_str(val, "out-data");
@ -802,6 +813,115 @@ static void test_qga_guest_exec(gconstpointer fix)
g_assert_cmpstr((char *)decoded, ==, "\" test_str \"");
}
#if defined(G_OS_WIN32)
static void test_qga_guest_exec_separated(gconstpointer fix)
{
}
static void test_qga_guest_exec_merged(gconstpointer fix)
{
const TestFixture *fixture = fix;
g_autoptr(QDict) ret = NULL;
QDict *val;
const gchar *class, *desc;
g_autofree guchar *decoded = NULL;
/* exec 'echo foo bar' */
ret = qmp_fd(fixture->fd, "{'execute': 'guest-exec', 'arguments': {"
" 'path': 'echo',"
" 'arg': [ 'execution never reaches here' ],"
" 'capture-output': 'merged' } }");
g_assert_nonnull(ret);
val = qdict_get_qdict(ret, "error");
g_assert_nonnull(val);
class = qdict_get_str(val, "class");
desc = qdict_get_str(val, "desc");
g_assert_cmpstr(class, ==, "GenericError");
g_assert_cmpint(strlen(desc), >, 0);
}
#else
static void test_qga_guest_exec_separated(gconstpointer fix)
{
const TestFixture *fixture = fix;
g_autoptr(QDict) ret = NULL;
QDict *val;
const gchar *out, *err;
g_autofree guchar *out_decoded = NULL;
g_autofree guchar *err_decoded = NULL;
int64_t pid, exitcode;
gsize len;
/* exec 'echo foo bar' */
ret = qmp_fd(fixture->fd, "{'execute': 'guest-exec', 'arguments': {"
" 'path': '/bin/bash',"
" 'arg': [ '-c', 'for i in $(seq 4); do if (( $i %% 2 )); then echo stdout; else echo stderr 1>&2; fi; done;' ],"
" 'capture-output': 'separated' } }");
g_assert_nonnull(ret);
qmp_assert_no_error(ret);
val = qdict_get_qdict(ret, "return");
pid = qdict_get_int(val, "pid");
g_assert_cmpint(pid, >, 0);
qobject_unref(ret);
ret = wait_for_guest_exec_completion(fixture->fd, pid);
val = qdict_get_qdict(ret, "return");
exitcode = qdict_get_int(val, "exitcode");
g_assert_cmpint(exitcode, ==, 0);
/* check stdout */
out = qdict_get_str(val, "out-data");
out_decoded = g_base64_decode(out, &len);
g_assert_cmpint(len, ==, 14);
g_assert_cmpstr((char *)out_decoded, ==, "stdout\nstdout\n");
/* check stderr */
err = qdict_get_try_str(val, "err-data");
err_decoded = g_base64_decode(err, &len);
g_assert_cmpint(len, ==, 14);
g_assert_cmpstr((char *)err_decoded, ==, "stderr\nstderr\n");
}
static void test_qga_guest_exec_merged(gconstpointer fix)
{
const TestFixture *fixture = fix;
g_autoptr(QDict) ret = NULL;
QDict *val;
const gchar *out, *err;
g_autofree guchar *decoded = NULL;
int64_t pid, exitcode;
gsize len;
/* exec 'echo foo bar' */
ret = qmp_fd(fixture->fd, "{'execute': 'guest-exec', 'arguments': {"
" 'path': '/bin/bash',"
" 'arg': [ '-c', 'for i in $(seq 4); do if (( $i %% 2 )); then echo stdout; else echo stderr 1>&2; fi; done;' ],"
" 'capture-output': 'merged' } }");
g_assert_nonnull(ret);
qmp_assert_no_error(ret);
val = qdict_get_qdict(ret, "return");
pid = qdict_get_int(val, "pid");
g_assert_cmpint(pid, >, 0);
qobject_unref(ret);
ret = wait_for_guest_exec_completion(fixture->fd, pid);
val = qdict_get_qdict(ret, "return");
exitcode = qdict_get_int(val, "exitcode");
g_assert_cmpint(exitcode, ==, 0);
/* check stdout */
out = qdict_get_str(val, "out-data");
decoded = g_base64_decode(out, &len);
g_assert_cmpint(len, ==, 28);
g_assert_cmpstr((char *)decoded, ==, "stdout\nstderr\nstdout\nstderr\n");
/* check stderr */
err = qdict_get_try_str(val, "err-data");
g_assert_null(err);
}
#endif
static void test_qga_guest_exec_invalid(gconstpointer fix)
{
const TestFixture *fixture = fix;
@ -972,6 +1092,10 @@ int main(int argc, char **argv)
g_test_add_data_func("/qga/blockedrpcs", NULL, test_qga_blockedrpcs);
g_test_add_data_func("/qga/config", NULL, test_qga_config);
g_test_add_data_func("/qga/guest-exec", &fix, test_qga_guest_exec);
g_test_add_data_func("/qga/guest-exec-separated", &fix,
test_qga_guest_exec_separated);
g_test_add_data_func("/qga/guest-exec-merged", &fix,
test_qga_guest_exec_merged);
g_test_add_data_func("/qga/guest-exec-invalid", &fix,
test_qga_guest_exec_invalid);
g_test_add_data_func("/qga/guest-get-osinfo", &fix,