51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
#!/usr/bin/python2 -O
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# vim: fileencoding=utf-8
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import qubes
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import qubes.config
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import qubes.vm.qubesvm
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class TemplateVM(qubes.vm.qubesvm.QubesVM):
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'''Template for AppVM'''
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dir_path_prefix = qubes.config.system_path['qubes_templates_dir']
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@property
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def rootcow_img(self):
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'''COW image'''
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return self.storage.rootcow_img
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@property
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def appvms(self):
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for vm in self.app.domains:
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if hasattr(vm, 'template') and vm.template is self:
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yield vm
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def __init__(self, *args, **kwargs):
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assert 'template' not in kwargs, "A TemplateVM can not have a template"
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super(TemplateVM, self).__init__(*args, **kwargs)
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# Some additional checks for template based VM
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# TODO find better way
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# assert self.root_img is not None, "Missing root_img for standalone VM!"
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def clone_disk_files(self, src):
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super(TemplateVM, self).clone_disk_files(src)
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# Create root-cow.img
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self.commit_changes()
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def commit_changes(self):
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'''Commit changes to template'''
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self.log.debug('commit_changes()')
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if not self.app.vmm.offline_mode:
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assert not self.is_running(), \
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'Attempt to commit changes on running Template VM!'
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self.log.info(
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'Commiting template update; COW: {}'.format(self.rootcow_img))
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self.storage.commit_template_changes()
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