appypod-rattail/appy/shared/packaging.py
2015-10-27 22:36:51 +01:00

338 lines
13 KiB
Python

# ------------------------------------------------------------------------------
import os, os.path, subprocess, md5, shutil
from appy.shared.utils import getOsTempFolder, FolderDeleter, cleanFolder
# ------------------------------------------------------------------------------
debianInfo = '''Package: python-appy%s
Version: %s
Architecture: all
Maintainer: Gaetan Delannay <gaetan.delannay@geezteem.com>
Installed-Size: %d
Depends: python (>= %s)%s
Section: python
Priority: optional
Homepage: http://appyframework.org
Description: Appy builds simple but complex web Python apps.
'''
appCtl = '''#! /usr/lib/zope2.12/bin/python
import sys
from appy.bin.zopectl import ZopeRunner
args = ' '.join(sys.argv[1:])
sys.argv = [sys.argv[0], '-C', '/etc/%s.conf', args]
ZopeRunner().run()
'''
appRun = '''#! /bin/sh
exec "/usr/lib/zope2.12/bin/runzope" -C "/etc/%s.conf" "$@"
'''
ooStart = '#! /bin/sh\nsoffice -invisible -headless -nofirststartwizard ' \
'"-accept=socket,host=localhost,port=2002;urp;"'
zopeConf = '''# Zope configuration.
%%define INSTANCE %s
%%define DATA %s
%%define LOG %s
%%define HTTPPORT %s
%%define ZOPE_USER zope
instancehome $INSTANCE
effective-user $ZOPE_USER
%s
<eventlog>
level info
<logfile>
path $LOG/event.log
level info
</logfile>
</eventlog>
<logger access>
level WARN
<logfile>
path $LOG/Z2.log
format %%(message)s
</logfile>
</logger>
<http-server>
address $HTTPPORT
</http-server>
<zodb_db main>
<filestorage>
path $DATA/Data.fs
</filestorage>
mount-point /
</zodb_db>
<zodb_db temporary>
<temporarystorage>
name temporary storage for sessioning
</temporarystorage>
mount-point /temp_folder
container-class Products.TemporaryFolder.TemporaryContainer
</zodb_db>
'''
# initScript below will be used to define the scripts that will run the
# app-powered Zope instance and OpenOffice in server mode at boot time.
initScript = '''#! /bin/sh
### BEGIN INIT INFO
# Provides: %s
# Required-Start: $syslog $remote_fs
# Required-Stop: $syslog $remote_fs
# Should-Start: $remote_fs
# Should-Stop: $remote_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start %s
# Description: %s
### END INIT INFO
case "$1" in
start)
%s
;;
restart|reload|force-reload)
%s
;;
stop)
%s
;;
*)
echo "Usage: $0 start|restart|stop" >&2
exit 3
;;
esac
exit 0
'''
class Debianizer:
'''This class allows to produce a Debian package from a Python (Appy)
package.'''
def __init__(self, app, out, appVersion='0.1.0',
pythonVersions=('2.6',), zopePort=8080,
depends=('zope2.12', 'openoffice.org', 'imagemagick'),
sign=False):
# app is the path to the Python package to Debianize.
self.app = app
self.appName = os.path.basename(app)
self.appNameLower = self.appName.lower()
# Must we sign the Debian package? If yes, we make the assumption that
# the currently logged user has a public/private key pair in ~/.gnupg,
# generated with command "gpg --gen-key".
self.sign = sign
# out is the folder where the Debian package will be generated.
self.out = out
# What is the version number for this app ?
self.appVersion = appVersion
# On which Python versions will the Debian package depend?
self.pythonVersions = pythonVersions
# Port for Zope
self.zopePort = zopePort
# Debian package dependencies
self.depends = depends
# Zope 2.12 requires Python 2.6
if 'zope2.12' in depends: self.pythonVersions = ('2.6',)
def run(self):
'''Generates the Debian package.'''
curdir = os.getcwd()
j = os.path.join
tempFolder = getOsTempFolder()
# Create, in the temp folder, the required sub-structure for the Debian
# package.
debFolder = j(tempFolder, 'debian')
if os.path.exists(debFolder):
FolderDeleter.delete(debFolder)
# Copy the Python package into it
srcFolder = j(debFolder, 'usr', 'lib')
for version in self.pythonVersions:
libFolder = j(srcFolder, 'python%s' % version)
os.makedirs(libFolder)
destFolder = j(libFolder, self.appName)
shutil.copytree(self.app, destFolder)
# Clean dest folder (.svn/.bzr files)
cleanFolder(destFolder, folders=('.svn', '.bzr'))
# When packaging Appy itself, everything is in /usr/lib/pythonX. When
# packaging an Appy app, we will generate more files for creating a
# running instance.
if self.appName != 'appy':
# Create the folders that will collectively represent the deployed
# Zope instance.
binFolder = j(debFolder, 'usr', 'bin')
os.makedirs(binFolder)
# <app>ctl
name = '%s/%sctl' % (binFolder, self.appNameLower)
f = file(name, 'w')
f.write(appCtl % self.appNameLower)
os.chmod(name, 0o744) # Make it executable by owner.
f.close()
# <app>run
name = '%s/%srun' % (binFolder, self.appNameLower)
f = file(name, 'w')
f.write(appRun % self.appNameLower)
os.chmod(name, 0o744) # Make it executable by owner.
f.close()
# startoo
name = '%s/startoo' % binFolder
f = file(name, 'w')
f.write(ooStart)
f.close()
os.chmod(name, 0o744) # Make it executable by owner.
# /var/lib/<app> (will store Data.fs, lock files, etc)
varLibFolder = j(debFolder, 'var', 'lib', self.appNameLower)
os.makedirs(varLibFolder)
f = file('%s/README' % varLibFolder, 'w')
f.write('This folder stores the %s database.\n' % self.appName)
f.close()
# /var/log/<app> (will store event.log and Z2.log)
varLogFolder = j(debFolder, 'var', 'log', self.appNameLower)
os.makedirs(varLogFolder)
f = file('%s/README' % varLogFolder, 'w')
f.write('This folder stores the log files for %s.\n' % self.appName)
f.close()
# /etc/<app>.conf (Zope configuration file)
etcFolder = j(debFolder, 'etc')
os.makedirs(etcFolder)
name = '%s/%s.conf' % (etcFolder, self.appNameLower)
n = self.appNameLower
f = file(name, 'w')
productsFolder = '/usr/lib/python%s/%s/zope' % \
(self.pythonVersions[0], self.appName)
f.write(zopeConf % ('/var/lib/%s' % n, '/var/lib/%s' % n,
'/var/log/%s' % n, str(self.zopePort),
'products %s\n' % productsFolder))
f.close()
# /etc/init.d/<app> (start the app at boot time)
initdFolder = j(etcFolder, 'init.d')
os.makedirs(initdFolder)
name = '%s/%s' % (initdFolder, self.appNameLower)
f = file(name, 'w')
n = self.appNameLower
f.write(initScript % (n, n, 'Start Zope with the Appy-based %s ' \
'application.' % n, '%sctl start' % n,
'%sctl restart' % n, '%sctl stop' % n))
f.close()
os.chmod(name, 0o744) # Make it executable by owner.
# /etc/init.d/oo (start OpenOffice at boot time)
name = '%s/oo' % initdFolder
f = file(name, 'w')
f.write(initScript % ('oo', 'oo', 'Start OpenOffice in server mode',
'startoo', 'startoo', "#Can't stop OO."))
f.write('\n')
f.close()
os.chmod(name, 0o744) # Make it executable by owner.
# Get the size of the app, in Kb.
os.chdir(tempFolder)
cmd = subprocess.Popen(['du', '-b', '-s', 'debian'],
stdout=subprocess.PIPE)
size = int(int(cmd.stdout.read().split()[0])/1024.0)
os.chdir(debFolder)
# Create data.tar.gz based on it.
os.system('tar czvf data.tar.gz *')
# Create the control file
f = file('control', 'w')
nameSuffix = ''
dependencies = []
if self.appName != 'appy':
nameSuffix = '-%s' % self.appNameLower
dependencies.append('python-appy')
if self.depends:
for d in self.depends: dependencies.append(d)
depends = ''
if dependencies:
depends = ', ' + ', '.join(dependencies)
f.write(debianInfo % (nameSuffix, self.appVersion, size,
self.pythonVersions[0], depends))
f.close()
# Create md5sum file
f = file('md5sums', 'w')
toWalk = ['usr']
if self.appName != 'appy':
toWalk += ['etc', 'var']
for folderToWalk in toWalk:
for dir, dirnames, filenames in os.walk(folderToWalk):
for name in filenames:
m = md5.new()
pathName = j(dir, name)
currentFile = file(pathName, 'rb')
while True:
data = currentFile.read(8096)
if not data:
break
m.update(data)
currentFile.close()
# Add the md5 sum to the file
f.write('%s %s\n' % (m.hexdigest(), pathName))
f.close()
# Create postinst, a script that will:
# - bytecompile Python files after the Debian install
# - change ownership of some files if required
# - [in the case of an app-package] call update-rc.d for starting it at
# boot time.
f = file('postinst', 'w')
content = '#!/bin/sh\nset -e\n'
for version in self.pythonVersions:
bin = '/usr/bin/python%s' % version
lib = '/usr/lib/python%s' % version
cmds = ' %s -m compileall -q %s/%s 2> /dev/null\n' % (bin, lib,
self.appName)
content += 'if [ -e %s ]\nthen\n%sfi\n' % (bin, cmds)
if self.appName != 'appy':
# Allow user "zope", that runs the Zope instance, to write the
# database and log files.
content += 'chown -R zope:root /var/lib/%s\n' % self.appNameLower
content += 'chown -R zope:root /var/log/%s\n' % self.appNameLower
# Call update-rc.d for starting the app at boot time
content += 'update-rc.d %s defaults\n' % self.appNameLower
content += 'update-rc.d oo defaults\n'
# (re-)start the app
content += '%sctl restart\n' % self.appNameLower
# (re-)start oo
content += 'startoo\n'
f.write(content)
f.close()
# Create prerm, a script that will remove all pyc files before removing
# the Debian package.
f = file('prerm', 'w')
content = '#!/bin/sh\nset -e\n'
for version in self.pythonVersions:
content += 'find /usr/lib/python%s/%s -name "*.pyc" -delete\n' % \
(version, self.appName)
f.write(content)
f.close()
# Create control.tar.gz
os.system('tar czvf control.tar.gz ./control ./md5sums ./postinst ' \
'./prerm')
# Create debian-binary
f = file('debian-binary', 'w')
f.write('2.0\n')
f.close()
# Create the signature if required
if self.sign:
# Create the concatenated version of all files within the deb
os.system('cat debian-binary control.tar.gz data.tar.gz > ' \
'/tmp/combined-contents')
os.system('gpg -abs -o _gpgorigin /tmp/combined-contents')
signFile = '_gpgorigin '
os.remove('/tmp/combined-contents')
# Export the public key and name it according to its ID as found by
# analyzing the result of command "gpg --fingerprint".
cmd = subprocess.Popen(['gpg', '--fingerprint'],
stdout=subprocess.PIPE)
fingerprint = cmd.stdout.read().split('\n')
id = 'pubkey'
for line in fingerprint:
if '=' not in line: continue
id = line.split('=')[1].strip()
id = ''.join(id.split()[-4:])
break
os.system('gpg --export -a > %s/%s.asc' % (self.out, id))
else:
signFile = ''
# Create the .deb package
debName = 'python-appy%s-%s.deb' % (nameSuffix, self.appVersion)
os.system('ar -r %s %sdebian-binary control.tar.gz data.tar.gz' % \
(debName, signFile))
# Move it to self.out
os.rename(j(debFolder, debName), j(self.out, debName))
# Clean temp files
FolderDeleter.delete(debFolder)
os.chdir(curdir)
# ------------------------------------------------------------------------------