/usr/lib/python3/dist-packages/AutoUpgradeTester/UpgradeTestBackendLXC.py is in auto-upgrade-tester 1:0.166.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 | # ec2 backend
from __future__ import absolute_import, print_function
from AutoUpgradeTester.UpgradeTestBackendSSH import UpgradeTestBackendSSH
from DistUpgrade.sourceslist import SourcesList
import apt_pkg
import atexit
import glob
import lxc
import os
import shutil
class UpgradeTestBackendLXC(UpgradeTestBackendSSH):
""" LXC backend """
def __init__(self, profile):
UpgradeTestBackendSSH.__init__(self, profile)
self.profiledir = os.path.abspath(os.path.dirname(profile))
self.profilename = "upgrader-%s" % self.config.get("NonInteractive","ProfileName")
self.lxc_container = lxc.Container(self.profilename)
atexit.register(self._cleanup)
def _cleanup(self):
print("_cleanup()")
if self.lxc_container.running:
self.lxc_container.stop()
self.lxc_container.destroy()
def restart(self):
print("_restart()")
self.stop()
self.start()
def start(self):
print("_start()")
self.lxc_container.start()
self.lxc_ips = self.lxc_container.get_ips()
self.ssh_hostname = self.lxc_ips[0]
self.ssh_port = "22"
def stop(self):
print("_stop()")
self.lxc_container.stop()
self.ssh_hostname = None
self.ssh_port = None
def bootstrap(self, force=False):
print("bootstrap()")
src_release = self.config.getWithDefault("DEFAULT", "SourceRelease", "precise")
src_arch = self.config.getWithDefault("KVM", "Arch", "i386")
self.lxc_container.create("ubuntu", {"release": src_release, "arch": src_arch})
os.makedirs("/var/lib/lxc/%s/rootfs/root/.ssh/" % self.profilename)
shutil.copy("%s.pub" % self.ssh_key, "/var/lib/lxc/%s/rootfs/root/.ssh/authorized_keys" % self.profilename)
# get common vars
basepkg = self.config.get("NonInteractive","BasePkg")
basepkg += " language-pack-en linux-generic"
# start the VM
self.start()
# FIXME: Prevents lxc-net from starting and cutting network (if eth0 and lxcbr0 end up in the same subnet)
lxcnet = open("/var/lib/lxc/%s/rootfs/etc/init/lxc-net.override" % self.profilename, "w+")
lxcnet.write("pre-start exec true\npost-stop exec true\n")
lxcnet.close()
# FIXME: Some workarounds
# /usr/sbin/update-grub => fails in LXC
# /usr/bin/cgroups-mount => fails in LXC unless using the nesting apparmor profile
# /usr/bin/cgroups-umount => fails in LXC unless using the nesting apparmor profile
for path in ("/usr/sbin/update-grub", "/usr/bin/cgroups-mount", "/usr/bin/cgroups-umount"):
self._runInImage(["dpkg-divert", "--rename", "--divert", "%s.orig" % path, "--package", "auto-upgrade-testing", "--add", path])
self._runInImage(["cp", "/bin/true", path])
# prepare the sources.list (needed because a AMI may have any
# sources.list)
sources = self.getSourcesListFile()
ret = self._copyToImage(sources.name, "/etc/apt/sources.list")
assert(ret == 0)
# install some useful stuff
ret = self._runInImage(["apt-get","update"])
assert(ret == 0)
for i in range(3):
ret = self._runInImage(["DEBIAN_FRONTEND=noninteractive","apt-get","install", "--allow-unauthenticated", "-y", basepkg ])
assert(ret == 0)
# Configure X
ret = self._runInImage(["DEBIAN_FRONTEND=noninteractive","apt-get","install", "--allow-unauthenticated", "-y", "xserver-xorg-video-dummy" ])
assert(ret == 0)
with open("/var/lib/lxc/%s/rootfs/usr/share/X11/xorg.conf.d/00-dummy.conf" % self.profilename, "w+") as fd:
fd.write("""
Section "Device"
Identifier "dummy"
Driver "dummy"
EndSection
""")
CMAX = 4000
pkgs = self.config.getListFromFile("NonInteractive","AdditionalPkgs")
while(len(pkgs)) > 0:
print("installing additonal: %s" % pkgs[:CMAX])
ret= self._runInImage(["DEBIAN_FRONTEND=noninteractive","apt-get","install","--reinstall", "--allow-unauthenticated", "-y"]+pkgs[:CMAX])
print("apt(2) returned: %s" % ret)
if ret != 0:
#self._cacheDebs(tmpdir)
print("apt returned a error, stopping")
self.stop_instance()
return False
pkgs = pkgs[CMAX+1:]
if self.config.has_option("NonInteractive","PostBootstrapScript"):
script = self.config.get("NonInteractive","PostBootstrapScript")
print("have PostBootstrapScript: %s" % script)
if os.path.exists(script):
self._runInImage(["mkdir","/upgrade-tester"])
self._copyToImage(script, "/upgrade-tester")
print("running script: %s" % os.path.join("/tmp",script))
self._runInImage([os.path.join("/upgrade-tester",script)])
else:
print("WARNING: %s not found" % script)
if self.config.getWithDefault("NonInteractive",
"UpgradeFromDistOnBootstrap", False):
print("running apt-get upgrade in from dist (after bootstrap)")
for i in range(3):
ret = self._runInImage(["DEBIAN_FRONTEND=noninteractive","apt-get","--allow-unauthenticated", "-y","dist-upgrade"])
assert(ret == 0)
print("Cleaning image")
ret = self._runInImage(["apt-get","clean"])
assert(ret == 0)
# FIXME: probably should be done in one of the generic classes
print("configuring upgrader")
ret = self._runInImage(["sed", "-i", "s/lts/normal/g", "/etc/update-manager/release-upgrades"])
self.restart()
return True
def upgrade(self):
print("upgrade()")
# clean from any leftover pyc files
for f in glob.glob("%s/*.pyc" % self.upgradefilesdir):
os.unlink(f)
print("Starting for upgrade")
assert(self.ssh_hostname)
# copy the profile
if os.path.exists(self.profile):
print("Copying '%s' to image overrides" % self.profile)
self._runInImage(["mkdir","-p","/etc/update-manager/release-upgrades.d"])
self._copyToImage(self.profile, "/etc/update-manager/release-upgrades.d/")
# copy test repo sources.list (if needed)
test_repo = self.config.getWithDefault("NonInteractive","AddRepo","")
if test_repo:
test_repo = os.path.join(os.path.dirname(self.profile), test_repo)
self._copyToImage(test_repo, "/etc/apt/sources.list.d")
sourcelist = self.getSourcesListFile()
apt_pkg.Config.Set("Dir::Etc", os.path.dirname(sourcelist.name))
apt_pkg.Config.Set("Dir::Etc::sourcelist",
os.path.basename(sourcelist.name))
sources = SourcesList(matcherPath=".")
sources.load(test_repo)
# add the uri to the list of valid mirros in the image
for entry in sources.list:
if (not (entry.invalid or entry.disabled) and
entry.type == "deb"):
print("adding %s to mirrors" % entry.uri)
self._runInImage(["echo '%s' >> /upgrade-tester/mirrors.cfg" % entry.uri])
# check if we have a bzr checkout dir to run against or
# if we should just run the normal upgrader
if (os.path.exists(self.upgradefilesdir) and
self.config.getWithDefault("NonInteractive",
"UseUpgraderFromBzr",
True)):
self._copyUpgraderFilesFromBzrCheckout()
ret = self._runBzrCheckoutUpgrade()
else:
ret = self._runInImage(["do-release-upgrade","-d",
"-f","DistUpgradeViewNonInteractive"])
print("dist-upgrade.py returned: %i" % ret)
# copy the result
print("coyping the result")
self._copyFromImage("/var/log/dist-upgrade/*",self.resultdir)
# stop the machine
print("Shuting down the container")
self.stop()
return True
|