diff mbox series

[v2,07/16] qemu-iotests: Add iotests.img_info_log()

Message ID 20180529203910.7615-8-kwolf@redhat.com
State New
Headers show
Series block: Make blockdev-create a job and stable API | expand

Commit Message

Kevin Wolf May 29, 2018, 8:39 p.m. UTC
This adds a filter function to postprocess 'qemu-img info' input
(similar to what _img_info does), and an img_info_log() function that
calls 'qemu-img info' and logs the filtered output.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 tests/qemu-iotests/iotests.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

Comments

Jeff Cody May 30, 2018, 4:25 a.m. UTC | #1
On Tue, May 29, 2018 at 10:39:01PM +0200, Kevin Wolf wrote:
> This adds a filter function to postprocess 'qemu-img info' input
> (similar to what _img_info does), and an img_info_log() function that
> calls 'qemu-img info' and logs the filtered output.
> 
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>

Reviewed-by: Jeff Cody <jcody@redhat.com>

> ---
>  tests/qemu-iotests/iotests.py | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
> index 2f54823db6..edcd2bb701 100644
> --- a/tests/qemu-iotests/iotests.py
> +++ b/tests/qemu-iotests/iotests.py
> @@ -109,6 +109,12 @@ def qemu_img_pipe(*args):
>          sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
>      return subp.communicate()[0]
>  
> +def img_info_log(filename, filter_path=None):
> +    output = qemu_img_pipe('info', '-f', imgfmt, filename)
> +    if not filter_path:
> +        filter_path = filename
> +    log(filter_img_info(output, filter_path))
> +
>  def qemu_io(*args):
>      '''Run qemu-io and return the stdout data'''
>      args = qemu_io_args + list(args)
> @@ -210,6 +216,18 @@ def filter_testfiles(msg):
>      prefix = os.path.join(test_dir, "%s-" % (os.getpid()))
>      return msg.replace(prefix, 'TEST_DIR/PID-')
>  
> +def filter_img_info(output, filename):
> +    lines = []
> +    for line in output.split('\n'):
> +        if 'disk size' in line or 'actual-size' in line:
> +            continue
> +        line = line.replace(filename, 'TEST_IMG') \
> +                   .replace(imgfmt, 'IMGFMT')
> +        line = re.sub('iters: [0-9]+', 'iters: XXX', line)
> +        line = re.sub('uuid: [-a-f0-9]+', 'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX', line)
> +        lines.append(line)
> +    return '\n'.join(lines)
> +
>  def log(msg, filters=[]):
>      for flt in filters:
>          msg = flt(msg)
> -- 
> 2.13.6
>
Max Reitz May 30, 2018, 9:59 a.m. UTC | #2
On 2018-05-29 22:39, Kevin Wolf wrote:
> This adds a filter function to postprocess 'qemu-img info' input
> (similar to what _img_info does), and an img_info_log() function that
> calls 'qemu-img info' and logs the filtered output.
> 
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> ---
>  tests/qemu-iotests/iotests.py | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)

Reviewed-by: Max Reitz <mreitz@redhat.com>
diff mbox series

Patch

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 2f54823db6..edcd2bb701 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -109,6 +109,12 @@  def qemu_img_pipe(*args):
         sys.stderr.write('qemu-img received signal %i: %s\n' % (-exitcode, ' '.join(qemu_img_args + list(args))))
     return subp.communicate()[0]
 
+def img_info_log(filename, filter_path=None):
+    output = qemu_img_pipe('info', '-f', imgfmt, filename)
+    if not filter_path:
+        filter_path = filename
+    log(filter_img_info(output, filter_path))
+
 def qemu_io(*args):
     '''Run qemu-io and return the stdout data'''
     args = qemu_io_args + list(args)
@@ -210,6 +216,18 @@  def filter_testfiles(msg):
     prefix = os.path.join(test_dir, "%s-" % (os.getpid()))
     return msg.replace(prefix, 'TEST_DIR/PID-')
 
+def filter_img_info(output, filename):
+    lines = []
+    for line in output.split('\n'):
+        if 'disk size' in line or 'actual-size' in line:
+            continue
+        line = line.replace(filename, 'TEST_IMG') \
+                   .replace(imgfmt, 'IMGFMT')
+        line = re.sub('iters: [0-9]+', 'iters: XXX', line)
+        line = re.sub('uuid: [-a-f0-9]+', 'uuid: XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX', line)
+        lines.append(line)
+    return '\n'.join(lines)
+
 def log(msg, filters=[]):
     for flt in filters:
         msg = flt(msg)