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libqos: add qemu-img presence check 

To allow tests to optionally exercise additional tests
that require the qemu-img tool that may not be present
in all builds.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1447439479-16775-3-git-send-email-jsnow@redhat.com
This commit is contained in:
John Snow 2015-11-13 14:31:42 -05:00
parent b236b61056
commit cb11e7b2f3
2 changed files with 24 additions and 5 deletions
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28
tests/libqos/libqos.c
View File

@ -147,6 +147,23 @@ void migrate(QOSState *from, QOSState *to, const char *uri)
set_context(to);
}
bool have_qemu_img(void)
{
char *rpath;
const char *path = getenv("QTEST_QEMU_IMG");
if (!path) {
return false;
}
rpath = realpath(path, NULL);
if (!rpath) {
return false;
} else {
free(rpath);
return true;
}
}
void mkimg(const char *file, const char *fmt, unsigned size_mb)
{
gchar *cli;
@ -155,13 +172,14 @@ void mkimg(const char *file, const char *fmt, unsigned size_mb)
GError *err = NULL;
char *qemu_img_path;
gchar *out, *out2;
char *abs_path;
char *qemu_img_abs_path;
qemu_img_path = getenv("QTEST_QEMU_IMG");
abs_path = realpath(qemu_img_path, NULL);
assert(qemu_img_path);
g_assert(qemu_img_path);
qemu_img_abs_path = realpath(qemu_img_path, NULL);
g_assert(qemu_img_abs_path);
cli = g_strdup_printf("%s create -f %s %s %uM", abs_path,
cli = g_strdup_printf("%s create -f %s %s %uM", qemu_img_abs_path,
fmt, file, size_mb);
ret = g_spawn_command_line_sync(cli, &out, &out2, &rc, &err);
if (err) {
@ -183,7 +201,7 @@ void mkimg(const char *file, const char *fmt, unsigned size_mb)
g_free(out);
g_free(out2);
g_free(cli);
free(abs_path);
free(qemu_img_abs_path);
}
void mkqcow2(const char *file, unsigned size_mb)

1
tests/libqos/libqos.h
View File

@ -19,6 +19,7 @@ typedef struct QOSState {
QOSState *qtest_vboot(QOSOps *ops, const char *cmdline_fmt, va_list ap);
QOSState *qtest_boot(QOSOps *ops, const char *cmdline_fmt, ...);
void qtest_shutdown(QOSState *qs);
bool have_qemu_img(void);
void mkimg(const char *file, const char *fmt, unsigned size_mb);
void mkqcow2(const char *file, unsigned size_mb);
void set_context(QOSState *s);