diff options
Diffstat (limited to 'indra')
| -rwxr-xr-x | indra/viewer_components/manager/apply_update.py | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/indra/viewer_components/manager/apply_update.py b/indra/viewer_components/manager/apply_update.py new file mode 100755 index 0000000000..1cf394e008 --- /dev/null +++ b/indra/viewer_components/manager/apply_update.py @@ -0,0 +1,232 @@ +#!/usr/bin/env python + +# Copyright (c) 2016, Linden Research, Inc. +# +# The following source code is PROPRIETARY AND CONFIDENTIAL. Use of +# this source code is governed by the Linden Lab Source Code Disclosure +# Agreement ("Agreement") previously entered between you and Linden +# Lab. By accessing, using, copying, modifying or distributing this +# software, you acknowledge that you have been informed of your +# obligations under the Agreement and agree to abide by those obligations. +# +# ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO +# WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, +# COMPLETENESS OR PERFORMANCE. +# $LicenseInfo:firstyear=2016&license=viewerlgpl$ +# Copyright (c) 2016, Linden Research, Inc. +# $/LicenseInfo$ + +""" +@file apply_update.py +@author coyot +@date 2016-06-28 +""" + +""" +Applies an already downloaded update. +""" + +import argparse +import fnmatch +import InstallerUserMessage as IUM +import os +import os.path +import plistlib +import shutil +import subprocess +import sys +import tarfile +import tempfile + +LNX_REGEX = '*' + '.bz2' +MAC_REGEX = '*' + '.dmg' +MAC_APP_REGEX = '*' + '.app' +WIN_REGEX = '*' + '.exe' + +INSTALL_DIR = os.path.abspath(os.path.dirname(os.path.realpath(__file__))) + +BUNDLE_IDENTIFIER = "com.secondlife.indra.viewer" +# Magic OS directory name that causes Cocoa viewer to crash on OS X 10.7.5 +# (see MAINT-3331) +STATE_DIR = os.path.join(os.environ["HOME"], "Library", "Saved Application State", + BUNDLE_IDENTIFIER + ".savedState") + +def silent_write(log_file_handle, text): + #if we have a log file, write. If not, do nothing. + if (log_file_handle): + #prepend text for easy grepping + log_file_handle.write("APPLY UPDATE: " + text + "\n") + +def get_filename(download_dir = None): + #given a directory that supposedly has the download, find the installable + for filename in os.listdir(download_dir): + if (fnmatch.fnmatch(filename, LNX_REGEX) + or fnmatch.fnmatch(filename, MAC_REGEX) + or fnmatch.fnmatch(filename, WIN_REGEX)): + return os.path.join(download_dir, filename) + else: + return None + +def try_dismount(log_file_handle = None, installable = None, tmpdir = None): + #best effort cleanup try to dismount the dmg file if we have mounted one + #the French judge gave it a 5.8 + try: + command = ["df", os.path.join(tmpdir, "Second Life Installer")] + output = subprocess.check_output(command) + mnt_dev = output.split('\n')[1].split()[0] + command = ["hdiutil", "detach", "-force", mnt_dev] + output = subprocess.check_output(command) + silent_write(log_file_handle, "hdiutil detach succeeded") + silent_write(log_file_handle, output) + except Exception, e: + silent_write(log_file_handle, "Could not detach dmg file %s. Error messages: %s" % (installable, e.message)) + +def apply_update(download_dir = None, platform_key = None, log_file_handle = None): + #for lnx and mac, returns path to newly installed viewer and "True" for Windows + #returns None on failure for all three + installable = get_filename(download_dir) + if not installable: + #could not find download + raise ValueError("Could not find installable in " + download_dir) + + if platform_key == 'lnx': + installed = apply_linux_update(installable, log_file_handle) + elif platform_key == 'mac': + installed = apply_mac_update(installable, log_file_handle) + elif platform_key == 'win': + installed = apply_windows_update(installable, log_file_handle) + else: + #wtf? + raise ValueError("Unknown Platform: " + platform_key) + + if not installed: + done_filename = os.path.join(os.path.dirname(installable), ".done") + open(done_filename, 'w+').close() + + return installed + +def apply_linux_update(installable = None, log_file_handle = None): + try: + #untar to tmpdir + tmpdir = tempfile.mkdtemp() + tar = tarfile.open(name = installable, mode="r:bz2") + tar.extractall(path = tmpdir) + #rename current install dir + shutil.move(INSTALL_DIR,install_dir + ".bak") + #mv new to current + shutil.move(tmpdir, INSTALL_DIR) + #delete tarball on success + os.remove(installable) + except Exception, e: + silent_write(log_file_handle, "Update failed due to " + repr(e)) + return None + return INSTALL_DIR + +def apply_mac_update(installable = None, log_file_handle = None): + #verify dmg file + try: + output = subprocess.check_output(["hdiutil", "verify", installable], stderr=subprocess.STDOUT) + silent_write(log_file_handle, "dmg verification succeeded") + silent_write(log_file_handle, output) + except Exception, e: + silent_write(log_file_handle, "Could not verify dmg file %s. Error messages: %s" % (installable, e.message)) + return None + #make temp dir and mount & attach dmg + tmpdir = tempfile.mkdtemp() + try: + output = subprocess.check_output(["hdiutil", "attach", installable, "-mountroot", tmpdir]) + silent_write(log_file_handle, "hdiutil attach succeeded") + silent_write(log_file_handle, output) + except Exception, e: + silent_write(log_file_handle, "Could not attach dmg file %s. Error messages: %s" % (installable, e.message)) + return None + #verify plist + appdir = None + for top_dir in os.listdir(tmpdir): + for appdir in os.listdir(os.path.join(tmpdir, top_dir)): + appdir = os.path.join(os.path.join(tmpdir, top_dir), appdir) + if fnmatch.fnmatch(appdir, MAC_APP_REGEX): + try: + plist = os.path.join(appdir, "Contents", "Info.plist") + CFBundleIdentifier = plistlib.readPlist(plist)["CFBundleIdentifier"] + except: + #there is no except for this try because there are multiple directories that legimately don't have what we are looking for + pass + if not appdir: + silent_write(log_file_handle, "Could not find app bundle in dmg %s." % (installable,)) + return None + if CFBundleIdentifier != BUNDLE_IDENTIFIER: + silent_write(log_file_handle, "Wrong or null bundle identifier for dmg %s. Bundle identifier: %s" % (installable, CFBundleIdentifier)) + try_dismount(log_file_handle, installable, tmpdir) + return None + #do the install, finally + # swap out old install directory + bundlename = os.path.basename(appdir) + #INSTALL_DIR is something like /Applications/Second Life Viewer.app/Contents/MacOS, need to jump up two levels + installed_test = os.path.dirname(INSTALL_DIR) + installed_test = os.path.dirname(installed_test) + if os.path.exists(installed_test): + silent_write(log_file_handle, "Updating %s" % installed_test) + swapped_out = os.path.join(tmpdir, INSTALL_DIR.lstrip('/')) + shutil.move(installed_test, swapped_out) + else: + silent_write(log_file_handle, "Installing %s" % installed_test) + + # copy over the new bits + try: + shutil.copytree(appdir, installed_test, symlinks=True) + retcode = 0 + except Exception, e: + # try to restore previous viewer + if os.path.exists(swapped_out): + silent_write(log_file_handle, "Install of %s failed, rolling back to previous viewer." % installable) + shutil.move(swapped_out, installed_test) + retcode = 1 + finally: + try_dismount(log_file_handle, installable, tmpdir) + if retcode: + return None + + #see MAINT-3331 + with allow_errno(errno.ENOENT): + shutil.rmtree(STATE_DIR) + + os.remove(installable) + return INSTALL_DIR + +def apply_windows_update(installable = None, log_file_handle = None): + #the windows install is just running the NSIS installer executable + #from VMP's perspective, it is a black box + try: + output = subprocess.check_output(installable, stderr=subprocess.STDOUT) + silent_write(log_file_handle, "Install of %s succeeded." % installable) + silent_write(log_file_handle, output) + except subprocess.CalledProcessError, cpe: + silent_write(log_file_handle, "%s failed with return code %s. Error messages: %s." % + (cpe.cmd, cpe.returncode, cpe.message)) + return None + return True + +def main(): + parser = argparse.ArgumentParser("Apply Downloaded Update") + parser.add_argument('--dir', dest = 'download_dir', help = 'directory to find installable', required=True) + parser.add_argument('--pkey', dest = 'platform_key', help =' OS: lnx|mac|win', required=True) + parser.add_argument('--log_file', dest = 'log_file', default = None, help = 'file to write messages to') + args = parser.parse_args() + + if args.log_file: + try: + f = open(args.log_file,'w+') + except: + print "%s could not be found or opened" % args.log_file + sys.exit(1) + + result = apply_update(download_dir = args.download_dir, platform_key = args.platform_key, log_file_handle = f) + if not result: + sys.exit("Update failed") + else: + sys.exit(0) + + +if __name__ == "__main__": + main() |