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Pratik Vyas 2014-02-15 15:29:29 +05:30
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install_erpnext.py
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# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
# License: GNU General Public License v3. See license.txt
#!/usr/bin/env python
from __future__ import unicode_literals
import os, sys
import argparse
import subprocess
is_redhat = is_debian = None
root_password = None
requirements = [
"chardet",
"cssmin",
"dropbox",
"google-api-python-client",
"gunicorn",
"httplib2",
"jinja2",
"markdown2",
"markupsafe",
"mysql-python",
"pygeoip",
"python-dateutil",
"python-memcached",
"pytz==2013d",
"requests",
"six",
"slugify",
"termcolor",
"werkzeug",
"semantic_version",
"gitpython==0.3.2.RC1"
]
def install(install_path):
setup_folders(install_path)
install_erpnext(install_path)
post_install(install_path)
def install_pre_requisites():
global is_redhat, is_debian
is_redhat, is_debian = validate_install()
if is_redhat:
install_using_yum()
elif is_debian:
install_using_apt()
install_python_modules()
print "-"*80
print "Pre-requisites Installed"
print "-"*80
def validate_install():
import platform
# check os
operating_system = platform.system()
print "Operating System =", operating_system
if operating_system != "Linux":
raise Exception, "Sorry! This installer works only for Linux based Operating Systems"
# check python version
python_version = sys.version.split(" ")[0]
print "Python Version =", python_version
if not (python_version and int(python_version.split(".")[0])==2 and int(python_version.split(".")[1]) >= 7):
raise Exception, "Hey! ERPNext needs Python version to be 2.7+"
# check distribution
distribution = platform.linux_distribution()[0].lower().replace('"', '')
print "Distribution = ", distribution
is_redhat = distribution in ("redhat", "red hat enterprise linux server", "centos", "centos linux", "fedora")
is_debian = distribution in ("debian", "ubuntu", "elementary os", "linuxmint")
if not (is_redhat or is_debian):
raise Exception, "Sorry! This installer works only with yum or apt-get package management"
return is_redhat, is_debian
def install_using_yum():
packages = "gcc MySQL-python git memcached ntp vim-enhanced screen"
print "-"*80
print "Installing Packages: (This may take some time)"
print packages
print "-"*80
exec_in_shell("yum install -y %s" % packages)
try:
exec_in_shell("which mysql")
except subprocess.CalledProcessError:
packages = "mysql mysql-server mysql-devel"
print "Installing Packages:", packages
exec_in_shell("yum install -y %s" % packages)
exec_in_shell("service mysqld restart")
# set a root password post install
global root_password
print "Please create a password for root user of MySQL"
root_password = (get_root_password() or "erpnext").strip()
exec_in_shell('mysqladmin -u root password "%s"' % (root_password,))
print "Root password set as", root_password
update_config_for_redhat()
def update_config_for_redhat():
import re
# set to autostart on startup
for service in ("mysqld", "memcached"):
exec_in_shell("chkconfig --level 2345 %s on" % service)
exec_in_shell("service %s restart" % service)
def install_using_apt():
exec_in_shell("apt-get update")
packages = "python python-setuptools python-dev build-essential python-mysqldb git memcached ntp vim screen htop"
print "-"*80
print "Installing Packages: (This may take some time)"
print packages
print "-"*80
exec_in_shell("apt-get install -y %s" % packages)
global root_password
if not root_password:
root_password = get_root_password()
exec_in_shell("echo mysql-server mysql-server/root_password password %s | sudo debconf-set-selections" % root_password)
exec_in_shell("echo mysql-server mysql-server/root_password_again password %s | sudo debconf-set-selections" % root_password)
try:
exec_in_shell("which mysql")
except subprocess.CalledProcessError:
packages = "mysql-server libmysqlclient-dev"
print "Installing Packages:", packages
exec_in_shell("apt-get install -y %s" % packages)
update_config_for_debian()
def update_config_for_debian():
for service in ("mysql",):
exec_in_shell("service %s restart" % service)
def install_python_modules():
print "-"*80
print "Installing Python Modules: (This may take some time)"
print "-"*80
try:
exec_in_shell("which pip2.7")
except subprocess.CalledProcessError:
exec_in_shell("easy_install-2.7 pip")
exec_in_shell("pip2.7 install --upgrade setuptools --no-use-wheel")
exec_in_shell("pip2.7 install --upgrade setuptools")
exec_in_shell("pip2.7 install {}".format(' '.join(requirements)))
def install_erpnext(install_path):
print
print "-"*80
print "Installing ERPNext"
print "-"*80
# ask for details
global root_password
if not root_password:
root_password = get_root_password()
test_root_connection(root_password)
db_name = raw_input("ERPNext Database Name: ")
if not db_name:
raise Exception, "Sorry! You must specify ERPNext Database Name"
# setup paths
sys.path = [".", "lib", "app"] + sys.path
import wnf
# install database, run patches, update schema
# setup_db(install_path, root_password, db_name)
wnf.install(db_name, root_password=root_password)
setup_cron(install_path)
def get_root_password():
# ask for root mysql password
import getpass
root_pwd = None
root_pwd = getpass.getpass("MySQL Root user's Password: ")
return root_pwd
def test_root_connection(root_pwd):
out = exec_in_shell("mysql -u root %s -e 'exit'" % \
(("-p"+root_pwd) if root_pwd else "").replace('$', '\$').replace(' ', '\ '))
if "access denied" in out.lower():
raise Exception("Incorrect MySQL Root user's password")
def setup_folders(install_path):
os.chdir(install_path)
app = os.path.join(install_path, "app")
if not os.path.exists(app):
print "Cloning erpnext"
exec_in_shell("cd %s && git clone --branch master https://github.com/frappe/erpnext.git app" % install_path)
exec_in_shell("cd app && git config core.filemode false")
if not os.path.exists(app):
raise Exception, "Couldn't clone erpnext repository"
lib = os.path.join(install_path, "lib")
if not os.path.exists(lib):
print "Cloning frappe"
exec_in_shell("cd %s && git clone --branch master https://github.com/frappe/frappe.git lib" % install_path)
exec_in_shell("cd lib && git config core.filemode false")
if not os.path.exists(lib):
raise Exception, "Couldn't clone frappe repository"
public = os.path.join(install_path, "public")
for p in [public, os.path.join(public, "files"), os.path.join(public, "backups"),
os.path.join(install_path, "logs")]:
if not os.path.exists(p):
os.mkdir(p)
def setup_conf(install_path, db_name):
import os, string, random, re
# generate db password
char_range = string.ascii_letters + string.digits
db_password = "".join((random.choice(char_range) for n in xrange(16)))
# make conf file
with open(os.path.join(install_path, "lib", "conf", "conf.py"), "r") as template:
conf = template.read()
conf = re.sub("db_name.*", 'db_name = "%s"' % (db_name,), conf)
conf = re.sub("db_password.*", 'db_password = "%s"' % (db_password,), conf)
with open(os.path.join(install_path, "conf.py"), "w") as conf_file:
conf_file.write(conf)
return db_password
def post_install(install_path):
pass
def exec_in_shell(cmd):
# using Popen instead of os.system - as recommended by python docs
import subprocess
out = subprocess.check_output(cmd, shell=True)
return out
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('--create_user', default=False, action='store_true')
parser.add_argument('--username', default='erpnext')
parser.add_argument('--password', default='erpnext')
parser.add_argument('--no_install_prerequisites', default=False, action='store_true')
return parser.parse_args()
def create_user(username, password):
import subprocess, pwd
p = subprocess.Popen("useradd -m -d /home/{username} -s {shell} {username}".format(username=username, shell=os.environ.get('SHELL')).split())
p.wait()
p = subprocess.Popen("passwd {username}".format(username=username).split(), stdin=subprocess.PIPE)
p.communicate('{password}\n{password}\n'.format(password=password))
p.wait()
return pwd.getpwnam(username).pw_uid
def setup_cron(install_path):
erpnext_cron_entries = [
"*/3 * * * * cd %s && python2.7 lib/wnf.py --run_scheduler >> erpnext-sch.log 2>&1" % install_path,
"0 */6 * * * cd %s && python2.7 lib/wnf.py --backup >> erpnext-backup.log 2>&1" % install_path
]
for row in erpnext_cron_entries:
try:
existing_cron = exec_in_shell("crontab -l")
if row not in existing_cron:
exec_in_shell('{ crontab -l; echo "%s"; } | crontab' % row)
except:
exec_in_shell('echo "%s" | crontab' % row)
if __name__ == "__main__":
args = parse_args()
install_path = os.getcwd()
if os.getuid() != 0 and args.create_user and not args.no_install_prequisites:
raise Exception, "Please run this script as root"
if args.create_user:
uid = create_user(args.username, args.password)
install_path = '/home/{username}/erpnext'.format(username=args.username)
if not args.no_install_prerequisites:
install_pre_requisites()
if os.environ.get('SUDO_UID') and not args.create_user:
os.setuid(int(os.environ.get('SUDO_UID')))
if os.getuid() == 0 and args.create_user:
os.setuid(uid)
if install_path:
os.mkdir(install_path)
install(install_path=install_path)
print
print "-"*80
print "Installation complete"
print "To start the development server,"
print "Login as {username} with password {password}".format(username=args.username, password=args.password)
print "cd {}".format(install_path)
print "./lib/wnf.py --serve"
print "-"*80
print "Open your browser and go to http://localhost:8000"
print "Login using username = Administrator and password = admin"