How to use is_redhat method in localstack

Best Python code snippet using localstack_python

install_owrang.py

Source:install_owrang.py

1# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd.2# License: GNU General Public License v3. See license.txt3#!/usr/bin/env python4from __future__ import unicode_literals5import os6import sys7apache_user = None8is_redhat = is_debian = None9root_password = None10def install(install_path=None):11    install_pre_requisites()12    if not install_path:13        install_path = os.getcwd()14    install_owrang(install_path)15    post_install(install_path)16def install_pre_requisites():17    global is_redhat, is_debian18    is_redhat, is_debian = validate_install()19    if is_redhat:20        install_using_yum()21    elif is_debian:22        install_using_apt()23    install_python_modules()24    print "-" * 8025    print "Pre-requisites Installed"26    print "-" * 8027def validate_install():28    import platform29    # check os30    operating_system = platform.system()31    print "Operating System =", operating_system32    if operating_system != "Linux":33        raise Exception, "Sorry! This installer works only for Linux based Operating Systems"34    # check python version35    python_version = sys.version.split(" ")[0]36    print "Python Version =", python_version37    if not (python_version and int(python_version.split(".")[0])==2 and int(python_version.split(".")[1]) >= 6):38        raise Exception, "Hey! Owrang needs Python version to be 2.6+"39    # check distribution40    distribution = platform.linux_distribution()[0].lower().replace('"', '')41    print "Distribution = ", distribution42    is_redhat = distribution in ("redhat", "centos", "centos linux", "fedora")43    is_debian = distribution in ("debian", "ubuntu", "elementary os", "linuxmint")44    if not (is_redhat or is_debian):45        raise Exception, "Sorry! This installer works only with yum or apt-get package management"46    return is_redhat, is_debian47def install_using_yum():48    packages = "python python-setuptools gcc python-devel MySQL-python httpd git memcached ntp vim-enhanced screen"49    print "-"*8050    print "Installing Packages: (This may take some time)"51    print packages52    print "-"*8053    exec_in_shell("yum install -y %s" % packages)54    if not exec_in_shell("which mysql"):55        packages = "mysql mysql-server mysql-devel"56        print "Installing Packages:", packages57        exec_in_shell("yum install -y %s" % packages)58        exec_in_shell("service mysqld restart")59        # set a root password post install60        global root_password61        print "Please create a password for root user of MySQL"62        root_password = (get_root_password() or "owrang").strip()63        exec_in_shell('mysqladmin -u root password "%s"' % (root_password,))64        print "Root password set as", root_password65    # install htop66    if not exec_in_shell("which htop"):67        try:68            exec_in_shell("cd /tmp && rpm -i --force http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm && yum install -y htop")69        except:70            pass71    update_config_for_redhat()72def update_config_for_redhat():73    import re74    global apache_user75    apache_user = "apache"76    # update memcache user77    with open("/etc/sysconfig/memcached", "r") as original:78        memcached_conf = original.read()79    with open("/etc/sysconfig/memcached", "w") as modified:80        modified.write(re.sub('USER.*', 'USER="%s"' % apache_user,  memcached_conf))81    # set to autostart on startup82    for service in ("mysqld", "httpd", "memcached", "ntpd"):83        exec_in_shell("chkconfig --level 2345 %s on" % service)84        exec_in_shell("service %s restart" % service)85def install_using_apt():86    exec_in_shell("apt-get update")87    packages = "python python-setuptools python-dev build-essential python-pip python-mysqldb apache2 git memcached ntp vim screen htop"88    print "-" * 8089    print "Installing Packages: (This may take some time)"90    print packages91    print "-" * 8092    exec_in_shell("apt-get install -y %s" % packages)93    if not exec_in_shell("which mysql"):94        packages = "mysql-server libmysqlclient-dev"95        print "Installing Packages:", packages96        exec_in_shell("apt-get install -y %s" % packages)97    update_config_for_debian()98def update_config_for_debian():99    global apache_user100    apache_user = "www-data"101    # update memcache user102    with open("/etc/memcached.conf", "r") as original:103        memcached_conf = original.read()104    with open("/etc/memcached.conf", "w") as modified:105        modified.write(memcached_conf.replace("-u memcache", "-u %s" % apache_user))106    exec_in_shell("a2enmod rewrite")107    for service in ("mysql", "apache2", "memcached", "ntpd"):108        exec_in_shell("service %s restart" % service)109def install_python_modules():110    python_modules = "pytz python-dateutil jinja2 markdown2 termcolor python-memcached requests chardet dropbox google-api-python-client pygeoip"111    print "-" * 80112    print "Installing Python Modules: (This may take some time)"113    print python_modules114    print "-" * 80115    if not exec_in_shell("which pip"):116        exec_in_shell("easy_install pip")117    exec_in_shell("pip install --upgrade pip")118    exec_in_shell("pip install --upgrade setuptools")119    exec_in_shell("pip install --upgrade virtualenv")120    exec_in_shell("pip install -q %s" % python_modules)121def install_owrang(install_path):122    print123    print "-" * 80124    print "Installing Owrang"125    print "-" * 80126    # ask for details127    global root_password128    if not root_password:129        root_password = get_root_password()130        test_root_connection(root_password)131    db_name = raw_input("Owrang Database Name: ")132    if not db_name:133        raise Exception, "Sorry! You must specify Owrang Database Name"134    # install folders and conf135    setup_folders(install_path)136    setup_conf(install_path, db_name)137    # setup paths138    sys.path.extend([".", "lib", "app"])139    # install database, run patches, update schema140    setup_db(install_path, root_password, db_name)141    setup_cron(install_path)142    setup_apache_conf(install_path)143def get_root_password():144    # ask for root mysql password145    import getpass146    root_pwd = None147    root_pwd = getpass.getpass("MySQL Root user's Password: ")148    return root_pwd149def test_root_connection(root_pwd):150    out = exec_in_shell("mysql -u root %s -e 'exit'" % \151        (("-p"+root_pwd) if root_pwd else "").replace('$', '\$').replace(' ', '\ '))152    if "access denied" in out.lower():153        raise Exception("Incorrect MySQL Root user's password")154def setup_folders(install_path):155    app = os.path.join(install_path, "app")156    if not os.path.exists(app):157        print "Cloning Owrang"158        exec_in_shell("cd %s && git clone https://github.com/Yellowen/Owrang.git app" % install_path)159        exec_in_shell("cd app && git config core.filemode false")160        if not os.path.exists(app):161            raise Exception, "Couldn't clone owrang repository"162    lib = os.path.join(install_path, "lib")163    if not os.path.exists(lib):164        print "Cloning wnframework"165        exec_in_shell("cd %s && git clone https://github.com/Yellowen/wnframework.git lib" % install_path)166        exec_in_shell("cd lib && git config core.filemode false")167        if not os.path.exists(lib):168            raise Exception, "Couldn't clone wnframework repository"169    public = os.path.join(install_path, "public")170    for p in [public, os.path.join(public, "files"), os.path.join(public, "backups"),171        os.path.join(install_path, "logs")]:172            if not os.path.exists(p):173                os.mkdir(p)174def setup_conf(install_path, db_name):175    import os, string, random, re176    # generate db password177    char_range = string.ascii_letters + string.digits178    db_password = "".join((random.choice(char_range) for n in xrange(16)))179    # make conf file180    with open(os.path.join(install_path, "lib", "conf", "conf.py"), "r") as template:181        conf = template.read()182    conf = re.sub("db_name.*", 'db_name = "%s"' % (db_name,), conf)183    conf = re.sub("db_password.*", 'db_password = "%s"' % (db_password,), conf)184    with open(os.path.join(install_path, "conf.py"), "w") as conf_file:185        conf_file.write(conf)186    return db_password187def setup_db(install_path, root_password, db_name):188    from webnotes.install_lib.install import Installer189    inst = Installer("root", root_password)190    inst.import_from_db(db_name, verbose=1)191    # run patches and sync192    exec_in_shell("./lib/wnf.py --patch_sync_build")193def setup_cron(install_path):194    owrang_cron_entries = [195        "*/3 * * * * cd %s && python lib/wnf.py --run_scheduler >> /var/log/owrang-sch.log 2>&1" % install_path,196        "0 */6 * * * cd %s && python lib/wnf.py --backup >> /var/log/owrang-backup.log 2>&1" % install_path197        ]198    for row in owrang_cron_entries:199        try:200            existing_cron = exec_in_shell("crontab -l")201            if row not in existing_cron:202                exec_in_shell('{ crontab -l; echo "%s"; } | crontab' % row)203        except:204            exec_in_shell('echo "%s" | crontab' % row)205def setup_apache_conf(install_path):206    apache_conf_content = """Listen 8080207NameVirtualHost *:8080208<VirtualHost *:8080>209    ServerName localhost210    DocumentRoot %s/public/211    AddHandler cgi-script .cgi .xml .py212    AddType application/vnd.ms-fontobject .eot213    AddType font/ttf .ttf214    AddType font/otf .otf215    AddType application/x-font-woff .woff216    <Directory %s/public/>217        # directory specific options218        Options -Indexes +FollowSymLinks +ExecCGI219        # directory's index file220        DirectoryIndex web.py221        AllowOverride all222        Order Allow,Deny223        Allow from all224        # rewrite rule225        RewriteEngine on226        RewriteCond %%{REQUEST_FILENAME} !-f227        RewriteCond %%{REQUEST_FILENAME} !-d228        RewriteCond %%{REQUEST_FILENAME} !-l229        RewriteRule ^([^/]+)$ /web.py?page=$1 [QSA,L]230    </Directory>231</VirtualHost>""" % (install_path, install_path)232    new_apache_conf_path = os.path.join(install_path, os.path.basename(install_path)+".conf")233    with open(new_apache_conf_path, "w") as apache_conf_file:234        apache_conf_file.write(apache_conf_content)235def post_install(install_path):236    global apache_user237    exec_in_shell("chown -R %s %s" % (apache_user, install_path))238    apache_conf_filename = os.path.basename(install_path)+".conf"239    if is_redhat:240        os.symlink(os.path.join(install_path, apache_conf_filename),241            os.path.join("/etc/httpd/conf.d", apache_conf_filename))242        exec_in_shell("service httpd restart")243    elif is_debian:244        os.symlink(os.path.join(install_path, apache_conf_filename),245            os.path.join("/etc/apache2/sites-enabled", apache_conf_filename))246        exec_in_shell("service apache2 restart")247    print248    print "-"*80249    print "To change url domain, run: lib/wnf.py --domain example.com"250    print "-"*80251    print "Installation complete"252    print "Open your browser and go to http://localhost:8080"253    print "Login using username = Administrator and password = admin"254def exec_in_shell(cmd):255    # using Popen instead of os.system - as recommended by python docs256    from subprocess import Popen257    import tempfile258    with tempfile.TemporaryFile() as stdout:259        with tempfile.TemporaryFile() as stderr:260            p = Popen(cmd, shell=True, stdout=stdout, stderr=stderr)261            p.wait()262            stdout.seek(0)263            out = stdout.read()264            stderr.seek(0)265            err = stderr.read()266    if err and any((kw in err.lower() for kw in ["traceback", "error", "exception"])):267        print out268        raise Exception, err269    else:270        print "."271    return out272if __name__ == "__main__":...

install_erpnext.py

Source:install_erpnext.py

1# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors2# License: GNU General Public License v3. See license.txt3#!/usr/bin/env python4from __future__ import unicode_literals5import os, sys6import argparse7import subprocess8is_redhat = is_debian = None9root_password = None10requirements = [11	"chardet", 12	"cssmin", 13	"dropbox", 14	"google-api-python-client", 15	"gunicorn", 16	"httplib2", 17	"jinja2", 18	"markdown2", 19	"markupsafe", 20	"mysql-python",21	"pygeoip", 22	"python-dateutil", 23	"python-memcached", 24	"pytz==2013d", 25	"requests", 26	"six", 27	"slugify", 28	"termcolor", 29	"werkzeug",30	"semantic_version",31	"gitpython==0.3.2.RC1"32]33def install(install_path):34	setup_folders(install_path)35	install_erpnext(install_path)36	37	post_install(install_path)38	39def install_pre_requisites():40	global is_redhat, is_debian41	is_redhat, is_debian = validate_install()42	if is_redhat:43		install_using_yum()44	elif is_debian:45		install_using_apt()46		47	install_python_modules()48	49	print "-"*8050	print "Pre-requisites Installed"51	print "-"*8052def validate_install():53	import platform54	# check os55	operating_system = platform.system()56	print "Operating System =", operating_system57	if operating_system != "Linux":58		raise Exception, "Sorry! This installer works only for Linux based Operating Systems"59	60	# check python version61	python_version = sys.version.split(" ")[0]62	print "Python Version =", python_version63	if not (python_version and int(python_version.split(".")[0])==2 and int(python_version.split(".")[1]) >= 7):64		raise Exception, "Hey! ERPNext needs Python version to be 2.7+"65	66	# check distribution67	distribution = platform.linux_distribution()[0].lower().replace('"', '')68	print "Distribution = ", distribution69	is_redhat = distribution in ("redhat", "red hat enterprise linux server", "centos", "centos linux", "fedora")70	is_debian = distribution in ("debian", "ubuntu", "elementary os", "linuxmint")71	72	if not (is_redhat or is_debian):73		raise Exception, "Sorry! This installer works only with yum or apt-get package management"74	75	return is_redhat, is_debian76		77def install_using_yum():78	packages = "gcc MySQL-python git memcached ntp vim-enhanced screen"79	80	print "-"*8081	print "Installing Packages: (This may take some time)"82	print packages83	print "-"*8084	exec_in_shell("yum install -y %s" % packages)85	86	try:87		exec_in_shell("which mysql")88	except subprocess.CalledProcessError:89		packages = "mysql mysql-server mysql-devel"90		print "Installing Packages:", packages91		exec_in_shell("yum install -y %s" % packages)92		exec_in_shell("service mysqld restart")93		94		# set a root password post install95		global root_password96		print "Please create a password for root user of MySQL"97		root_password = (get_root_password() or "erpnext").strip()98		exec_in_shell('mysqladmin -u root password "%s"' % (root_password,))99		print "Root password set as", root_password100	101	update_config_for_redhat()102	103def update_config_for_redhat():104	import re105	106	# set to autostart on startup107	for service in ("mysqld", "memcached"):108		exec_in_shell("chkconfig --level 2345 %s on" % service)109		exec_in_shell("service %s restart" % service)110	111def install_using_apt():112	exec_in_shell("apt-get update")113	packages = "python python-setuptools python-dev build-essential python-mysqldb git memcached ntp vim screen htop"114	print "-"*80115	print "Installing Packages: (This may take some time)"116	print packages117	print "-"*80118	exec_in_shell("apt-get install -y %s" % packages)119	global root_password120	if not root_password:121		root_password = get_root_password()122	exec_in_shell("echo mysql-server mysql-server/root_password password %s | sudo debconf-set-selections" % root_password)123	exec_in_shell("echo mysql-server mysql-server/root_password_again password %s | sudo debconf-set-selections" % root_password)124	125	try:126		exec_in_shell("which mysql")127	except subprocess.CalledProcessError:128		packages = "mysql-server libmysqlclient-dev"129		print "Installing Packages:", packages130		exec_in_shell("apt-get install -y %s" % packages)131	132	update_config_for_debian()133	134def update_config_for_debian():135	for service in ("mysql",):136		exec_in_shell("service %s restart" % service)137	138def install_python_modules():139	print "-"*80140	print "Installing Python Modules: (This may take some time)"141	print "-"*80142	143	try:144		exec_in_shell("which pip2.7")	145	except subprocess.CalledProcessError:146		exec_in_shell("easy_install-2.7 pip")147	148	exec_in_shell("pip2.7 install --upgrade setuptools --no-use-wheel")149	exec_in_shell("pip2.7 install --upgrade setuptools")150	exec_in_shell("pip2.7 install {}".format(' '.join(requirements)))151	152def install_erpnext(install_path):153	print154	print "-"*80155	print "Installing ERPNext"156	print "-"*80157	158	# ask for details159	global root_password160	if not root_password:161		root_password = get_root_password()162		test_root_connection(root_password)163	164	db_name = raw_input("ERPNext Database Name: ")165	if not db_name:166		raise Exception, "Sorry! You must specify ERPNext Database Name"167	168	# setup paths169	sys.path = [".", "lib", "app"] + sys.path170	import wnf171	172	# install database, run patches, update schema173	# setup_db(install_path, root_password, db_name)174	wnf.install(db_name, root_password=root_password)175	setup_cron(install_path)176	177def get_root_password():178	# ask for root mysql password179	import getpass180	root_pwd = None181	root_pwd = getpass.getpass("MySQL Root user's Password: ")182	return root_pwd183	184def test_root_connection(root_pwd):185	out = exec_in_shell("mysql -u root %s -e 'exit'" % \186		(("-p"+root_pwd) if root_pwd else "").replace('$', '\$').replace(' ', '\ '))187	if "access denied" in out.lower():188		raise Exception("Incorrect MySQL Root user's password")189		190def setup_folders(install_path):191	os.chdir(install_path)192	app = os.path.join(install_path, "app")193	if not os.path.exists(app):194		print "Cloning erpnext"195		exec_in_shell("cd %s && git clone --branch master https://github.com/webnotes/erpnext.git app" % install_path)196		exec_in_shell("cd app && git config core.filemode false")197		if not os.path.exists(app):198			raise Exception, "Couldn't clone erpnext repository"199	200	lib = os.path.join(install_path, "lib")201	if not os.path.exists(lib):202		print "Cloning wnframework"203		exec_in_shell("cd %s && git clone --branch master https://github.com/webnotes/wnframework.git lib" % install_path)204		exec_in_shell("cd lib && git config core.filemode false")205		if not os.path.exists(lib):206			raise Exception, "Couldn't clone wnframework repository"207	208	public = os.path.join(install_path, "public")209	for p in [public, os.path.join(public, "files"), os.path.join(public, "backups"),210		os.path.join(install_path, "logs")]:211			if not os.path.exists(p):212				os.mkdir(p)213				214def setup_conf(install_path, db_name):215	import os, string, random, re216	# generate db password217	char_range = string.ascii_letters + string.digits218	db_password = "".join((random.choice(char_range) for n in xrange(16)))219	220	# make conf file221	with open(os.path.join(install_path, "lib", "conf", "conf.py"), "r") as template:222		conf = template.read()223	224	conf = re.sub("db_name.*", 'db_name = "%s"' % (db_name,), conf)225	conf = re.sub("db_password.*", 'db_password = "%s"' % (db_password,), conf)226	227	with open(os.path.join(install_path, "conf.py"), "w") as conf_file:228		conf_file.write(conf)229	230	return db_password231	232def post_install(install_path):233	pass234def exec_in_shell(cmd):235	# using Popen instead of os.system - as recommended by python docs236	import subprocess237	out = subprocess.check_output(cmd, shell=True)238	return out239def parse_args():240	parser = argparse.ArgumentParser()241	parser.add_argument('--create_user', default=False, action='store_true')242	parser.add_argument('--username', default='erpnext')243	parser.add_argument('--password', default='erpnext')244	parser.add_argument('--no_install_prerequisites', default=False, action='store_true')245	return parser.parse_args()246def create_user(username, password):247	import subprocess, pwd248	p = subprocess.Popen("useradd -m -d /home/{username} -s {shell} {username}".format(username=username, shell=os.environ.get('SHELL')).split())249	p.wait()250	p = subprocess.Popen("passwd {username}".format(username=username).split(), stdin=subprocess.PIPE)251	p.communicate('{password}\n{password}\n'.format(password=password))252	p.wait()253	return pwd.getpwnam(username).pw_uid254def setup_cron(install_path):255	erpnext_cron_entries = [256		"*/3 * * * * cd %s && python2.7 lib/wnf.py --run_scheduler >> erpnext-sch.log 2>&1" % install_path,257		"0 */6 * * * cd %s && python2.7 lib/wnf.py --backup >> erpnext-backup.log 2>&1" % install_path258		]259	for row in erpnext_cron_entries:260		try:261			existing_cron = exec_in_shell("crontab -l")262			if row not in existing_cron:263				exec_in_shell('{ crontab -l; echo "%s"; } | crontab' % row)264		except:265			exec_in_shell('echo "%s" | crontab' % row)266if __name__ == "__main__":267	args = parse_args()268	install_path = os.getcwd()269	if os.getuid() != 0 and args.create_user and not args.no_install_prequisites:270		raise Exception, "Please run this script as root"271	if args.create_user:272		uid = create_user(args.username, args.password)273		install_path = '/home/{username}/erpnext'.format(username=args.username)274	if not args.no_install_prerequisites:275		install_pre_requisites()276	if os.environ.get('SUDO_UID') and not args.create_user:277		os.setuid(int(os.environ.get('SUDO_UID')))278	279	if os.getuid() == 0 and args.create_user:280		os.setuid(uid)281		if install_path:282			os.mkdir(install_path)283	284	install(install_path=install_path)285	print286	print "-"*80287	print "Installation complete"288	print "To start the development server,"289	print "Login as {username} with password {password}".format(username=args.username, password=args.password)290	print "cd {}".format(install_path)291	print "./lib/wnf.py --serve"292	print "-"*80293	print "Open your browser and go to http://localhost:8000"...

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