Re: [Qemu-devel] [RFC PATCH 6/7] avocado: Add a test parsing Linux kernel booting console

[Cleber Rosa <crosa@redhat.com>]

On 04/19/2018 12:46 PM, Philippe Mathieu-Daudé wrote:
> Booting an Alpha DP264 machine.
> 
> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
> ---
>  tests/avocado/test_linux-boot-console.py      | 88 +++++++++++++++++++
>  .../parameters.yaml                           |  3 +
>  2 files changed, 91 insertions(+)
>  create mode 100644 tests/avocado/test_linux-boot-console.py
>  create mode 100644 tests/avocado/test_linux-boot-console.py.data/parameters.yaml
> 
> diff --git a/tests/avocado/test_linux-boot-console.py b/tests/avocado/test_linux-boot-console.py
> new file mode 100644
> index 0000000000..f54d10dd79
> --- /dev/null
> +++ b/tests/avocado/test_linux-boot-console.py
> @@ -0,0 +1,88 @@
> +# -*- coding: utf-8 -*-
> +#
> +# Boot a Linux kernel on the Malta board and check the serial console output
> +#
> +# Copyright (C) 2018 Philippe Mathieu-Daudé
> +#
> +# SPDX-License-Identifier: GPL-2.0-or-later
> +#
> +# Run with:
> +#
> +#   avocado run test_linux-boot-console.py \
> +#     --mux-yaml test_linux-boot-console.py.data/parameters.yaml
> +#     [--filter-by-tags arch_alpha ...]
> +
> +import os
> +import tempfile
> +import hashlib
> +import urllib2
> +import gzip
> +import shutil
> +
> +from avocado import skipUnless
> +from avocado_qemu import test
> +
> +# XXX Use a cleaner CacheStorage or avocado.utils.[archive|kernel]?
> +def cachedfile(url, cachedir='/tmp/mycachedir', gzip_compressed=False):
> +    if not os.path.isdir(cachedir):
> +        os.mkdir(cachedir)
> +    key = hashlib.md5(url).hexdigest()
> +    fbin = cachedir + "/" + key + ".bin"
> +    if not os.path.isfile(fbin):
> +        with open(cachedir + "/" + key + ".url", "w") as f:
> +            f.write(url + '\n')
> +        with open(fbin, "wb") as f:
> +            content = urllib2.urlopen(url).read()
> +            f.write(content)
> +        if gzip_compressed:
> +            fgz = cachedir + "/" + key + ".gz"
> +            shutil.move(fbin, fgz)
> +            with gzip.open(fgz, 'rb') as f_in, open(fbin, 'wb') as f_out:
> +                shutil.copyfileobj(f_in, f_out)
> +    return fbin
> +
> +

As pointed on my reply to PATCH 0, Avocado has a downloading/caching
system, but the "uncompress if needed" does not exist yet.  We're
tracking the implementation of such a utility function here:

https://trello.com/c/LQFOMPgV/1308-avocadoutilsarchive-add-uncompress-if-necessary


- Cleber.