Files
modoboa-installer/modoboa_installer/scripts/modoboa.py
2017-08-01 18:27:23 +02:00

225 lines
8.4 KiB
Python

"""Modoboa related tasks."""
import json
import os
import pwd
import shutil
import stat
import sys
from .. import compatibility_matrix
from .. import package
from .. import python
from .. import utils
from . import base
class Modoboa(base.Installer):
"""Modoboa installation."""
appname = "modoboa"
no_daemon = True
packages = {
"deb": [
"build-essential", "python-dev", "libxml2-dev", "libxslt-dev",
"libjpeg-dev", "librrd-dev", "rrdtool", "libffi-dev", "cron"],
"rpm": [
"gcc", "gcc-c++", "python-devel", "libxml2-devel", "libxslt-devel",
"libjpeg-turbo-devel", "rrdtool-devel", "rrdtool", "libffi-devel",
]
}
config_files = [
"crontab=/etc/cron.d/modoboa",
"sudoers=/etc/sudoers.d/modoboa",
]
with_db = True
with_user = True
def __init__(self, config):
"""Get configuration."""
super(Modoboa, self).__init__(config)
self.venv_path = config.get("modoboa", "venv_path")
self.instance_path = config.get("modoboa", "instance_path")
self.extensions = config.get("modoboa", "extensions").split()
self.devmode = config.getboolean("modoboa", "devmode")
# Sanity check for amavis
self.amavis_enabled = False
if "modoboa-amavis" in self.extensions:
if self.config.getboolean("amavis", "enabled"):
self.amavis_enabled = True
else:
self.extensions.remove("modoboa-amavis")
def is_extension_ok_for_version(self, extension, version):
"""Check if extension can be installed with this modo version."""
if extension not in compatibility_matrix.EXTENSIONS_AVAILABILITY:
return True
version = utils.convert_version_to_int(version)
min_version = compatibility_matrix.EXTENSIONS_AVAILABILITY[extension]
min_version = utils.convert_version_to_int(min_version)
return version >= min_version
def _setup_venv(self):
"""Prepare a dedicated virtualenv."""
python.setup_virtualenv(self.venv_path, sudo_user=self.user)
packages = ["rrdtool"]
version = self.config.get("modoboa", "version")
if version == "latest":
packages += ["modoboa"] + self.extensions
else:
matrix = compatibility_matrix.COMPATIBILITY_MATRIX[version]
packages.append("modoboa=={}".format(version))
for extension in list(self.extensions):
if not self.is_extension_ok_for_version(extension, version):
self.extensions.remove(extension)
continue
if extension in matrix:
req_version = matrix[extension]
req_version = req_version.replace("<", "\<")
req_version = req_version.replace(">", "\>")
packages.append("{}{}".format(extension, req_version))
else:
packages.append(extension)
if self.dbengine == "postgres":
packages.append("psycopg2")
else:
packages.append("MYSQL-Python")
if sys.version_info.major == 2 and sys.version_info.micro < 9:
# Add extra packages to fix the SNI issue
packages += ["pyOpenSSL"]
python.install_packages(packages, self.venv_path, sudo_user=self.user)
if self.devmode:
# FIXME: use dev-requirements instead
python.install_packages(
["django-bower", "django-debug-toolbar"], self.venv_path,
sudo_user=self.user)
def _deploy_instance(self):
"""Deploy Modoboa."""
target = os.path.join(self.home_dir, "instance")
if os.path.exists(target):
if not self.config.getboolean("general", "force"):
utils.printcolor(
"Target directory for Modoboa deployment ({}) already "
"exists. If you choose to continue, it will be removed."
.format(target),
utils.YELLOW
)
answer = utils.user_input("Do you confirm? (Y/n) ")
if answer.lower().startswith("n"):
return
shutil.rmtree(target)
prefix = ". {}; ".format(
os.path.join(self.venv_path, "bin", "activate"))
args = [
"--collectstatic",
"--timezone", self.config.get("modoboa", "timezone"),
"--domain", self.config.get("general", "hostname"),
"--extensions", " ".join(self.extensions),
"--dont-install-extensions",
"--dburl", "'default:{0}://{1}:{2}@{3}/{1}'".format(
self.config.get("database", "engine"), self.dbname,
self.dbpasswd, self.dbhost)
]
if self.devmode:
args = ["--devel"] + args
if self.amavis_enabled:
args += [
"'amavis:{}://{}:{}@{}/{}'".format(
self.config.get("database", "engine"),
self.config.get("amavis", "dbuser"),
self.config.get("amavis", "dbpassword"),
self.dbhost,
self.config.get("amavis", "dbname")
)
]
code, output = utils.exec_cmd(
"bash -c '{} modoboa-admin.py deploy instance {}'".format(
prefix, " ".join(args)),
sudo_user=self.user, cwd=self.home_dir)
if code:
raise utils.FatalError(output)
def setup_database(self):
"""Additional config."""
super(Modoboa, self).setup_database()
if not self.amavis_enabled:
return
self.backend.grant_access(
self.config.get("amavis", "dbname"), self.dbuser)
def get_packages(self):
"""Include extra packages if needed."""
packages = super(Modoboa, self).get_packages()
condition = (
package.backend.FORMAT == "rpm" and
sys.version_info.major == 2 and
sys.version_info.micro < 9)
if condition:
# Add extra packages to fix the SNI issue
packages += ["openssl-devel"]
return packages
def get_template_context(self):
"""Additional variables."""
context = super(Modoboa, self).get_template_context()
extensions = self.config.get("modoboa", "extensions")
extensions = extensions.split()
context.update({
"dovecot_mailboxes_owner": (
self.config.get("dovecot", "mailboxes_owner")),
"radicale_enabled": "" if "modoboa-radicale" in extensions else "#"
})
return context
def apply_settings(self):
"""Configure modoboa."""
rrd_root_dir = os.path.join(self.home_dir, "rrdfiles")
pdf_storage_dir = os.path.join(self.home_dir, "pdfcredentials")
webmail_media_dir = os.path.join(
self.instance_path, "media", "webmail")
pw = pwd.getpwnam(self.user)
for d in [rrd_root_dir, pdf_storage_dir, webmail_media_dir]:
utils.mkdir(d, stat.S_IRWXU | stat.S_IRWXG, pw[2], pw[3])
settings = {
"admin": {
"handle_mailboxes": True,
"account_auto_removal": True
},
# FIXME: since we rewrite all parameters, the secret key
# previously created will disappear. As a quick fix, we
# recreate a new one here but it will mess up opened
# sessions if the installer is used to upgrade an existing
# database...
"core": {
"secret_key": utils.random_key()
},
"modoboa_amavis": {
"am_pdp_mode": "inet",
},
"modoboa_stats": {
"rrd_rootdir": rrd_root_dir,
},
"modoboa_pdfcredentials": {
"storage_dir": pdf_storage_dir
}
}
for path in ["/var/log/maillog", "/var/log/mail.log"]:
if os.path.exists(path):
settings["modoboa_stats"]["logfile"] = path
settings = json.dumps(settings)
query = (
"UPDATE core_localconfig SET _parameters='{}'"
.format(settings)
)
self.backend._exec_query(
query, self.dbname, self.dbuser, self.dbpasswd)
def post_run(self):
"""Additional tasks."""
self._setup_venv()
self._deploy_instance()
self.apply_settings()