2019-10-05 22:26:54 +02:00
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# -*- coding: utf-8 -*-
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import os
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import subprocess
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from . import crypto
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from .imagebuilder import ImageNotFoundError
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from .packer import Packer
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from .paths import REPO_APPS_DIR
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class AppPacker(Packer):
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def __init__(self, app):
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super().__init__()
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self.app = app
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# Prepare package file names
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self.tar_path = os.path.join(REPO_APPS_DIR, '{}.tar'.format(self.app.name))
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self.xz_path = '{}.xz'.format(self.tar_path)
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def pack(self):
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# Check if all images used by containers exist
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for container in self.app.conf['containers']:
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image = self.app.conf['containers'][container]['image']
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if image not in self.packages['images']:
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raise ImageNotFoundError(image)
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try:
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os.unlink(self.xz_path)
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except FileNotFoundError:
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pass
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self.create_archive()
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self.register()
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self.sign_packages()
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def remove(self):
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self.unregister()
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try:
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os.unlink(self.xz_path)
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except FileNotFoundError:
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pass
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def create_archive(self):
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# Create archive with application setup scripts
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print('Archiving setup scripts for', self.app.name)
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scripts = ('install', 'install.sh', 'upgrade', 'upgrade.sh', 'uninstall', 'uninstall.sh')
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scripts = [s for s in scripts if os.path.exists(os.path.join(self.app.build_dir, s))]
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subprocess.run(['tar', '--xattrs', '-cpf', self.tar_path, '--transform', 's,^,{}/,'.format(self.app.name)] + scripts, cwd=self.app.build_dir)
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self.compress_archive()
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def register(self):
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# Register package in global repository metadata file
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2019-10-05 22:42:29 +02:00
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print('Registering package', self.app.name)
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2019-10-05 22:26:54 +02:00
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self.packages['apps'][self.app.name] = self.app.conf.copy()
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self.packages['apps'][self.app.name]['size'] = self.tar_size
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self.packages['apps'][self.app.name]['pkgsize'] = self.xz_size
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self.packages['apps'][self.app.name]['sha512'] = crypto.hash_file(self.xz_path)
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self.save_repo_meta()
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def unregister(self):
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# Removes package from global repository metadata file
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if self.app.name in self.packages['apps']:
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del self.packages['apps'][self.app.name]
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self.save_repo_meta()
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