mirror of
https://github.com/kevingruesser/bootstrap-vz.git
synced 2025-08-22 09:50:37 +00:00
104 lines
3.7 KiB
Python
104 lines
3.7 KiB
Python
from bootstrapvz.base import Task
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from bootstrapvz.common import phases
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from bootstrapvz.common.tasks import boot
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from bootstrapvz.common.tasks import initd
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from bootstrapvz.common.tools import log_check_call
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from bootstrapvz.providers.gce.tasks import boot as gceboot
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from bootstrapvz.plugins.docker_daemon.pull import pull
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import os
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import os.path
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import shutil
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ASSETS_DIR = os.path.normpath(os.path.join(os.path.dirname(__file__), 'assets'))
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class AddDockerDeps(Task):
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description = 'Add packages for docker deps'
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phase = phases.package_installation
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DOCKER_DEPS = ['aufs-tools', 'btrfs-tools', 'git', 'iptables',
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'procps', 'xz-utils', 'ca-certificates']
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@classmethod
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def run(cls, info):
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for pkg in cls.DOCKER_DEPS:
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info.packages.add(pkg)
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class AddDockerBinary(Task):
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description = 'Add docker binary'
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phase = phases.system_modification
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@classmethod
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def run(cls, info):
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docker_version = info.manifest.plugins['docker_daemon'].get('version', False)
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docker_url = 'https://get.docker.io/builds/Linux/x86_64/docker-'
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if docker_version:
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docker_url += docker_version
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else:
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docker_url += 'latest'
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bin_docker = os.path.join(info.root, 'usr/bin/docker')
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log_check_call(['wget', '-O', bin_docker, docker_url])
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os.chmod(bin_docker, 0755)
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class AddDockerInit(Task):
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description = 'Add docker init script'
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phase = phases.system_modification
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successors = [initd.InstallInitScripts]
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@classmethod
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def run(cls, info):
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init_src = os.path.join(ASSETS_DIR, 'init.d/docker')
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info.initd['install']['docker'] = init_src
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default_src = os.path.join(ASSETS_DIR, 'default/docker')
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default_dest = os.path.join(info.root, 'etc/default/docker')
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shutil.copy(default_src, default_dest)
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class EnableMemoryCgroup(Task):
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description = 'Change grub configuration to enable the memory cgroup'
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phase = phases.system_modification
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successors = [boot.InstallGrub_1_99, boot.InstallGrub_2]
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predecessors = [boot.ConfigureGrub, gceboot.ConfigureGrub]
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@classmethod
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def run(cls, info):
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from bootstrapvz.common.tools import sed_i
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grub_config = os.path.join(info.root, 'etc/default/grub')
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sed_i(grub_config, r'^(GRUB_CMDLINE_LINUX*=".*)"\s*$', r'\1 cgroup_enable=memory"')
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class PullDockerImages(Task):
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description = 'Pull docker images'
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phase = phases.system_modification
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predecessors = [AddDockerBinary]
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@classmethod
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def run(cls, info):
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images = info.manifest.plugins['docker_daemon'].get('pull_images', [])
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retries = info.manifest.plugins['docker_daemon'].get('pull_images_retries', 10)
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bin_docker = os.path.join(info.root, 'usr/bin/docker')
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graph_dir = os.path.join(info.root, 'var/lib/docker')
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socket = 'unix://' + os.path.join(info.workspace, 'docker.sock')
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pidfile = os.path.join(info.workspace, 'docker.pid')
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try:
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daemon = subprocess.Popen([bin_docker, '-d', '--graph', graph_dir, '-H', socket, '-p', pidfile])
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for _ in range(retries):
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if log_check_call([bin_docker, '-H', socket, 'version']) == 0:
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break
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time.sleep(1)
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for img in images:
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if img.endswith('.tar.gz') or img.endswith('.tgz'):
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cmd = [bin_docker, '-H', socket, 'load', '-i', img]
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if lock_check_call(cmd) != 0:
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msg = 'error loading docker image {img}.'.format(img=img)
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raise Exception(msg)
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else: # regular docker image
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cmd = [bin_docker, '-H', socket, 'pull', img]
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if lock_check_call(cmd) != 0:
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msg = 'error pulling docker image {img}.'.format(img=img)
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raise Exception(msg)
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finally:
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daemon.terminate()
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