Merge pull request #102 from ruda/kernel-build

Add test linuxbuild (build Linux kernel)

avocado/linux/kernel_build.py

+#!/usr/bin/python
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#
+# See LICENSE for more details.
+#
+# Copyright: Red Hat Inc. 2014
+# Author: Ruda Moura <rmoura@redhat.com>
+
+import os
+import logging
+import shutil
+
+from avocado import test
+from avocado import job
+from avocado.utils import download, archive, build
+
+log = logging.getLogger('avocado.test')
+
+
+class KernelBuild(object):
+
+    """
+    Build the Linux Kernel from official tarballs.
+    """
+
+    url = 'https://www.kernel.org/pub/linux/kernel/v3.x/'
+    source = 'linux-{version}.tar.gz'
+
+    def __init__(self, version, config_path, work_dir):
+        """
+        Creates an instance of :class:`KernelBuild`.
+
+        :param version: kernel version ("3.14.5").
+        :param config_path: path to config file.
+        :param work_dir: work directory.
+        :return: None.
+        """
+        self.version = version
+        self.config_path = config_path
+        self.work_dir = work_dir
+
+    def __repr__(self):
+        return "KernelBuild('%s, %s, %s')" % (self.version,
+                                              self.config_path,
+                                              self.work_dir)
+
+    def download(self):
+        """
+        Download kernel source.
+        """
+        self.kernel_file = KernelBuild.source.format(version=self.version)
+        full_url = KernelBuild.url + KernelBuild.source.format(version=self.version)
+        path = os.path.join(self.work_dir, self.kernel_file)
+        if os.path.isfile(path):
+            log.info("File '%s' exists, will not download!", path)
+        else:
+            log.info("Downloading '%s'...", full_url)
+            download.url_download(full_url, path)
+
+    def uncompress(self):
+        """
+        Uncompress kernel source.
+        """
+        log.info("Uncompressing tarball")
+        path = os.path.join(self.work_dir, self.kernel_file)
+        archive.extract(path, self.work_dir)
+
+    def configure(self):
+        """
+        Configure/prepare kernel source to build.
+        """
+        self.linux_dir = os.path.join(self.work_dir, 'linux-%s' % self.version)
+        #log.info("Running make mrproper")
+        build.make(self.linux_dir, extra_args='mrproper')
+        dotconfig = os.path.join(self.linux_dir, '.config')
+        shutil.copy(self.config_path, dotconfig)
+
+    def build(self):
+        """
+        Build kernel from source.
+        """
+        log.info("Starting build the kernel")
+        build.make(self.linux_dir, extra_args='oldconfig')
+        build.make(self.linux_dir, extra_args='dep')
+        build.make(self.linux_dir, extra_args='bzImage')

tests/linuxbuild/linuxbuild.py

+#!/usr/bin/python
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#
+# See LICENSE for more details.
+#
+# Copyright: Red Hat Inc. 2014
+# Author: Ruda Moura <rmoura@redhat.com>
+
+from avocado import test
+from avocado import job
+from avocado.utils import download, archive, build
+from avocado.linux import kernel_build
+
+
+class linuxbuild(test.Test):
+
+    """
+    Execute the Linux Build test.
+    """
+    default_params = {'linux_version': '3.14.5',
+                      'linux_config': 'config'}
+
+    def setup(self):
+        kernel_version = self.params.linux_version
+        config_path = tarball_path = self.get_deps_path('config')
+        self.linux_build = kernel_build.KernelBuild(kernel_version,
+                                                    config_path,
+                                                    self.srcdir)
+        self.linux_build.download()
+        self.linux_build.uncompress()
+        self.linux_build.configure()
+
+    def action(self):
+        self.linux_build.build()
+
+
+if __name__ == "__main__":
+    job.main()