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| author | Scott Moser <smoser@brickies.net> | 2017-12-05 17:05:29 -0500 |
|---|---|---|
| committer | Scott Moser <smoser@brickies.net> | 2017-12-05 17:05:29 -0500 |
| commit | 47016791ca5e97d80e45d3f100bc4e5d0b88627d (patch) | |
| tree | 70f9e5bad3b136abeecd6399b077c82a81953220 /tests/cloud_tests/platforms/nocloudkvm/image.py | |
| parent | 7acc9e68fafbbd7c56587aebe752ba6ba8c8a3db (diff) | |
| download | vyos-cloud-init-47016791ca5e97d80e45d3f100bc4e5d0b88627d.tar.gz vyos-cloud-init-47016791ca5e97d80e45d3f100bc4e5d0b88627d.zip | |
tests: consolidate platforms into specific dirs
This groups up each test platform into its own directory rather
than having files spread between four different directories for
one platform. Platforms tend to be worked on one at a time and
so having the platforms together makes more sense than apart.
Diffstat (limited to 'tests/cloud_tests/platforms/nocloudkvm/image.py')
| -rw-r--r-- | tests/cloud_tests/platforms/nocloudkvm/image.py | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/tests/cloud_tests/platforms/nocloudkvm/image.py b/tests/cloud_tests/platforms/nocloudkvm/image.py new file mode 100644 index 00000000..09ff2a3b --- /dev/null +++ b/tests/cloud_tests/platforms/nocloudkvm/image.py @@ -0,0 +1,89 @@ +# This file is part of cloud-init. See LICENSE file for license information. + +"""NoCloud KVM Image Base Class.""" + +from cloudinit import util as c_util + +import os +import shutil +import tempfile + +from ..images import Image +from .snapshot import NoCloudKVMSnapshot + + +class NoCloudKVMImage(Image): + """NoCloud KVM backed image.""" + + platform_name = "nocloud-kvm" + + def __init__(self, platform, config, orig_img_path): + """Set up image. + + @param platform: platform object + @param config: image configuration + @param img_path: path to the image + """ + self.modified = False + self._workd = tempfile.mkdtemp(prefix='NoCloudKVMImage') + self._orig_img_path = orig_img_path + self._img_path = os.path.join(self._workd, + os.path.basename(self._orig_img_path)) + + c_util.subp(['qemu-img', 'create', '-f', 'qcow2', + '-b', orig_img_path, self._img_path]) + + super(NoCloudKVMImage, self).__init__(platform, config) + + @property + def properties(self): + """Dictionary containing: 'arch', 'os', 'version', 'release'.""" + return { + 'arch': self.config['arch'], + 'os': self.config['family'], + 'release': self.config['release'], + 'version': self.config['version'], + } + + def _execute(self, command, stdin=None, env=None): + """Execute command in image, modifying image.""" + return self.mount_image_callback(command, stdin=stdin, env=env) + + def mount_image_callback(self, command, stdin=None, env=None): + """Run mount-image-callback.""" + + env_args = [] + if env: + env_args = ['env'] + ["%s=%s" for k, v in env.items()] + + mic_chroot = ['sudo', 'mount-image-callback', '--system-mounts', + '--system-resolvconf', self._img_path, + '--', 'chroot', '_MOUNTPOINT_'] + try: + out, err = c_util.subp(mic_chroot + env_args + list(command), + data=stdin, decode=False) + return (out, err, 0) + except c_util.ProcessExecutionError as e: + return (e.stdout, e.stderr, e.exit_code) + + def snapshot(self): + """Create snapshot of image, block until done.""" + if not self._img_path: + raise RuntimeError() + + return NoCloudKVMSnapshot(self.platform, self.properties, self.config, + self.features, self._img_path) + + def destroy(self): + """Unset path to signal image is no longer used. + + The removal of the images and all other items is handled by the + framework. In some cases we want to keep the images, so let the + framework decide whether to keep or destroy everything. + """ + self._img_path = None + shutil.rmtree(self._workd) + + super(NoCloudKVMImage, self).destroy() + +# vi: ts=4 expandtab |
