102 lines
3.9 KiB
Python
102 lines
3.9 KiB
Python
import os
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import subprocess
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from textwrap import dedent
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class Packages:
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mgrs = dict(
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apk=dict(
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update='sudo apk update',
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upgrade='sudo apk upgrade',
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install='sudo apk add',
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),
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apt=dict(
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update='sudo apt-get -y update',
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upgrade='sudo apt-get -y upgrade',
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install='sudo apt-get -y --no-install-recommends install',
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),
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dnf=dict(
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update='sudo dnf update',
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upgrade='sudo dnf upgrade --exclude container-selinux --best --assumeyes', # noqa
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install='sudo dnf install --exclude container-selinux --setopt=install_weak_deps=False --best --assumeyes', # noqa
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),
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yum=dict(
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update='sudo yum update',
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upgrade='sudo yum upgrade',
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install='sudo yum install',
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),
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)
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def __init__(self, *packages, **kwargs):
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self.packages = list([
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dedent(l).strip().replace('\n', ' ') for l in packages
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])
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self.mgr = kwargs.pop('mgr') if 'mgr' in kwargs else None
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if 'CACHE_DIR' in os.environ:
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self.cache = os.path.join(os.getenv('CACHE_DIR'), self.mgr)
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else:
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self.cache = os.path.join(os.getenv('HOME'), '.cache', self.mgr)
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async def pre_build(self, script):
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base = script.container.variable('base')
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if self.mgr:
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self.cmds = self.mgrs[self.mgr]
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else:
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for mgr, cmds in self.mgrs.items():
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cmd = ['podman', 'run', base, 'sh', '-c', f'type {mgr}']
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try:
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subprocess.check_call(cmd)
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self.mgr = mgr
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self.cmds = cmds
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break
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except subprocess.CalledProcessError:
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continue
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if not self.mgr:
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raise Exception('Packages does not yet support this distro')
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async def build(self, script):
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if not getattr(script.container, '_packages_upgraded', None):
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# run pkgmgr_setup functions ie. apk_setup
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await getattr(self, self.mgr + '_setup')(script)
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# first run on container means inject visitor packages
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self.packages += script.container.packages
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await script.run(self.cmds['upgrade'])
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script.container._packages_upgraded = True
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await script.run(' '.join([self.cmds['install']] + self.packages))
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async def apk_setup(self, script):
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await script.mount(self.cache, f'/var/cache/{self.mgr}')
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# special step to enable apk cache
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await script.run('ln -s /var/cache/apk /etc/apk/cache')
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await script.append(f'''
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old="$(find {self.cache} -name APKINDEX.* -mtime +3)"
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if [ -n "$old" ] || ! ls .cache/apk/APKINDEX.*; then
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{script._run(self.cmds['update'])}
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else
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echo Cache recent enough, skipping index update.
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fi
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''')
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async def dnf_setup(self, script):
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await script.mount(self.cache, f'/var/cache/{self.mgr}')
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await script.run('sh -c "echo keepcache=True >> /etc/dnf/dnf.conf"')
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async def apt_setup(self, script):
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cache = self.cache + '/$(source $mnt/etc/os-release; echo $VERSION_CODENAME)/' # noqa
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await script.run('sudo rm /etc/apt/apt.conf.d/docker-clean')
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cache_archives = os.path.join(self.cache, 'archives')
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await script.mount(cache_archives, f'/var/cache/apt/archives')
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cache_lists = os.path.join(self.cache, 'lists')
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await script.mount(cache_lists, f'/var/lib/apt/lists')
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await script.append(f'''
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old="$(find {cache_lists} -name lastup -mtime +3)"
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if [ -n "$old" ] || ! ls {cache_lists}/lastup; then
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until [ -z $(lsof /var/lib/dpkg/lock) ]; do sleep 1; done
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{script._run(self.cmds['update'])}
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touch {cache_lists}/lastup
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else
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echo Cache recent enough, skipping index update.
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fi
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''')
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