/usr/lib/python3/dist-packages/AutoUpgradeTester/UpgradeTestBackendSSH.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.
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from __future__ import absolute_import, print_function
from AutoUpgradeTester.UpgradeTestBackend import UpgradeTestBackend
import glob
import logging
import os
import subprocess
import time
class UpgradeTestBackendSSH(UpgradeTestBackend):
" abstract backend that works with ssh "
def __init__(self, profile):
UpgradeTestBackend.__init__(self, profile)
self.profiledir = os.path.dirname(profile)
# get ssh key name
self.ssh_key = os.path.abspath(
self.config.getWithDefault(
"NonInteractive",
"SSHKey",
"/var/cache/auto-upgrade-tester/ssh-key")
)
if not os.path.exists(self.ssh_key):
print("Creating key: %s" % self.ssh_key)
subprocess.call(["ssh-keygen","-N","","-f",self.ssh_key])
def login(self):
" run a shell in the image "
print("login")
self.start()
ret = self._runInImage(["/bin/sh"])
if ret != 0:
logging.warn("_runInImage returned: %s" % ret)
self.stop()
def ping(self, user="root"):
" check if the instance is ready "
ret = self._runInImageAsUser(user, ["/bin/true"])
return (ret == 0)
def _copyToImage(self, fromF, toF, recursive=False):
"copy a file (or a list of files) to the given toF image location"
cmd = ["scp",
"-P", self.ssh_port,
"-q","-q", # shut it up
"-i",self.ssh_key,
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=%s" % os.path.dirname(
self.profile)+"/known_hosts"
]
if recursive:
cmd.append("-r")
# we support both single files and lists of files
if isinstance(fromF,list):
cmd += fromF
else:
cmd.append(fromF)
cmd.append("root@%s:%s" % (self.ssh_hostname, toF))
#print(cmd)
ret = subprocess.call(cmd)
return ret
def _copyFromImage(self, fromF, toF):
"copy a file from the given fromF image location"
cmd = ["scp",
"-P",self.ssh_port,
"-q","-q", # shut it up
"-i",self.ssh_key,
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=%s" % os.path.dirname(self.profile)+"/known_hosts",
"root@%s:%s" % (self.ssh_hostname, fromF),
toF
]
#print(cmd)
ret = subprocess.call(cmd)
return ret
def _runInImage(self, command, **kwargs):
ret = self._runInImageAsUser("root", command, **kwargs)
return ret
def _runInImageAsUser(self, user, command, **kwargs):
"run a given command in the image"
# ssh -l root -p 54321 localhost -i profile/server/ssh_key
# -o StrictHostKeyChecking=no
ret = subprocess.call(["ssh",
"-tt",
"-l", user,
"-p",self.ssh_port,
self.ssh_hostname,
"-q","-q", # shut it up
"-i",self.ssh_key,
"-o", "StrictHostKeyChecking=no",
"-o", "BatchMode=yes",
"-o", "UserKnownHostsFile=%s" % os.path.dirname(self.profile)+"/known_hosts",
]+command, universal_newlines=True, **kwargs)
return ret
def installPackages(self, pkgs):
" install additional pkgs (list) into the vm before the upgrade "
if not pkgs:
return True
self.start()
self._runInImage(["apt-get","update"])
ret = self._runInImage(["DEBIAN_FRONTEND=noninteractive","apt-get","install", "--reinstall", "-y"]+pkgs)
self.stop()
return (ret == 0)
def _copyUpgraderFilesFromBzrCheckout(self):
" copy upgrader files from a bzr checkout "
print("copy upgrader into image")
# copy the upgrade into target+/upgrader-tester/
files = []
self._runInImage(["mkdir","-p","/upgrade-tester","/etc/update-manager/release-upgrades.d"])
for f in glob.glob("%s/*" % self.upgradefilesdir):
if not os.path.isdir(f):
files.append(f)
elif os.path.islink(f):
print("Copying link '%s' to image " % f)
self._copyToImage(f, "/upgrade-tester", recursive=True)
self._copyToImage(files, "/upgrade-tester")
# and any other cfg files
for f in glob.glob(os.path.dirname(self.profile)+"/*.cfg"):
if (os.path.isfile(f) and
not os.path.basename(f).startswith("DistUpgrade.cfg")):
print("Copying '%s' to image " % f)
self._copyToImage(f, "/upgrade-tester")
# base-installer
bi="%s/base-installer" % self.upgradefilesdir
print("Copying '%s' to image" % bi)
self._copyToImage(bi, "/upgrade-tester/", recursive=True)
# copy the patches
pd="%s/patches" % self.upgradefilesdir
print("Copying '%s' to image" % pd)
self._copyToImage(pd, "/upgrade-tester/", recursive=True)
# and prereq lists
prereq = self.config.getWithDefault("PreRequists","SourcesList",None)
if prereq is not None:
prereq = os.path.join(os.path.dirname(self.profile),prereq)
print("Copying '%s' to image" % prereq)
self._copyToImage(prereq, "/upgrade-tester")
def _runBzrCheckoutUpgrade(self, cmd_prefix):
# start the upgrader
print("running the upgrader now")
# this is to support direct copying of backport udebs into the
# qemu image - useful for testing backports without having to
# push them into the archive
upgrader_args = ""
upgrader_env = ""
backports = self.config.getlist("NonInteractive", "PreRequistsFiles")
if backports:
self._runInImage(["mkdir -p /upgrade-tester/backports"])
for f in backports:
print("Copying %s" % os.path.basename(f))
self._copyToImage(f, "/upgrade-tester/backports/")
self._runInImage(["(cd /upgrade-tester/backports ; dpkg-deb -x %s . )" % os.path.basename(f)])
upgrader_args = " --have-prerequists"
upgrader_env = "LD_LIBRARY_PATH=/upgrade-tester/backports/usr/lib PATH=/upgrade-tester/backports/usr/bin:$PATH PYTHONPATH=/upgrade-tester/backports//usr/lib/python$(python -c 'import sys; print(\"%s.%s\" % (sys.version_info[0], sys.version_info[1]))')/site-packages/ "
ret = self._runInImage(cmd_prefix+["(cd /upgrade-tester/ ; "
"%s./dist-upgrade.py %s)" % (upgrader_env,
upgrader_args)])
return ret
def test(self):
# - generate diff of upgrade vs fresh install
# ...
#self.genDiff()
self.start()
# check for crashes
try:
self._runInImage(['chmod', '744', '/var/crash/*.crash'])
self._copyFromImage("/var/crash/*.crash", self.resultdir)
except Exception as exc:
print('WARNING: Failed to copy crash files: %s' % exc)
crashfiles = glob.glob(self.resultdir+"/*.crash")
# run stuff in post_upgrade_tests dir
ok = True
results = []
for script in glob.glob(self.post_upgrade_tests_dir+"*"):
if not os.access(script, os.X_OK):
continue
result = {'name':os.path.basename(script),
'result':'pass',
'time':0,
'message':''
}
start_time = time.time()
logging.info("running '%s' post_upgrade_test" % script)
self._copyToImage(script, "/tmp/")
ret = self._runInImage(["/tmp/%s" % os.path.basename(script)])
if ret != 0:
print("WARNING: post_upgrade_test '%s' failed" % script)
ok = False
log=open(self.resultdir+"/test-%s.FAIL" % os.path.basename(script), "w")
log.write("FAIL")
result['result'] = 'fail'
result['message'] = "post_upgrade_test '%s' failed" % script
result['time'] = time.time() - start_time
results.append(result)
# check for conffiles (the copy is done via a post upgrade script)
self._copyFromImage("/tmp/*.dpkg-dist", self.resultdir)
# Collect debconf prompts generated by debconf_test.py script
self._copyFromImage("/tmp/debconf_*.log", self.resultdir)
# Collect result of obsolete config file checks
self._copyFromImage("/tmp/obsolete_conffiles.log", self.resultdir)
# Collect results of python import checks
self._copyFromImage('/tmp/test_python_import*', self.resultdir)
self.resultsToJunitXML(results, os.path.join(self.resultdir, 'results.xml'))
self.stop()
if len(crashfiles) > 0:
print("WARNING: crash files detected on the upgrade")
print(crashfiles)
return False
return ok
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