From 229616b9fcdeeda9af82baf32f6b7df2a7c81549 Mon Sep 17 00:00:00 2001
From: mdipierro <massimo.dipierro@gmail.com>
Date: Mon, 14 Dec 2015 15:16:00 -0600
Subject: [PATCH] added fabfile form deployment and maintenance tasks

---
 fabfile.py | 139 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 139 insertions(+)
 create mode 100644 fabfile.py

diff --git a/fabfile.py b/fabfile.py
new file mode 100644
index 00000000..6dd1b82e
--- /dev/null
+++ b/fabfile.py
@@ -0,0 +1,139 @@
+from fabric.api import *
+from fabric.operations import put, get
+from fabric.contrib.files import exists
+import os
+import datetime
+import passwd
+
+env.hosts = env.hosts or raw_input('hostname (example.com):').split(',')
+env.user = env.user or raw_input('username              :')
+
+INSTALL_SCRIPT = "setup-web2py-nginx-uwsgi-ubuntu.sh"
+now =  datetime.datetime.now()
+applications = '/home/www-data/web2py/applications'
+
+def create_user(username):
+    """fab -H root@host createuser:username"""
+    password = getpass.getpass(name+' password for %s> ' % username)
+    run('useradd -m %s' % username)
+    run('usermod --password %s %s' % (crypt.crypt(password, 'salt'), username))
+    run('mkdir -p ~%s/.ssh' % username)
+    run('cp /etc/sudoers /tmp/sudoers.new')
+    append('/tmp/sudoers.new', '%s ALL=NOPASSWD: ALL' % username, use_sudo=True)
+    run('visudo -c -f /tmp/sudoers.new')
+    run('EDITOR="cp /tmp/sudoers.new" visudo')
+    uncomment('~%s/.bashrc' % username, '#force_color_prompt=yes')
+    local('ssh-copy-id %s' % env.hosts[0])
+
+def install_web2py():        
+    """fab -H username@host install_web2py"""
+    sudo('wget https://raw.githubusercontent.com/web2py/web2py/master/scripts/%s' % INSTALL_SCRIPT)
+    sudo('chmod +x %s' % INSTALL_SCRIPT)
+    sudo('./'+INSTALL_SCRIPT)
+
+def start_webserver():
+    sudo('service nginx start')
+    sudo('start uwsgi-emperor')
+    sudo('start web2py-scheduler')
+
+def stop_webserver():
+    sudo('stop uwsgi-emperor')
+    sudo('service nginx stop')
+    sudo('stop web2py-scheduler')
+
+def restart_webserver():
+    stop_webserver()
+    start_webserver()
+
+def notify(appname=None):
+    """fab -H username@host notify:appname"""
+    appname = appname or os.path.split(os.getcwd())[-1]
+    appfolder = applications+'/'+appname
+    with cd(appfolder):
+        sudo('echo "response.flash = \'System Going Down For Maintenance\'" > models/flash_goingdown.py')
+
+def down(appname=None):
+    """fab -H username@host down:appname"""
+    appname = appname or os.path.split(os.getcwd())[-1]
+    appfolder = applications+'/'+appname
+    with cd(appfolder):
+        sudo('echo `date` > DISABLED')
+        sudo('rm -r sessions/*')
+
+def up(appname=None):
+    """fab -H username@host up:appname"""
+    appname = appname or os.path.split(os.getcwd())[-1]
+    appfolder = applications+'/'+appname
+    with cd(appfolder):
+        if exists('modules/flash_goingdown.py'):
+            sudo('rm modules/flash_goingdown.py')
+        sudo('rm DISABLED')
+
+def mkdir_or_backup(appname):
+    appfolder = applications+'/'+appname
+    if not exists(appfolder):
+        sudo('mkdir %s' % appfolder)
+        sudo('chown -R www-data:www-data %s' % appfolder)
+        backup = None
+    else:
+        dt = now.strftime('%y-%m-%d-%h-%m')
+        backup = '%s.%s.zip' % (appname, dt)
+        with cd(applications):
+            sudo('zip -r %s %s' % (backup, appname))
+    return backup
+
+def git_deploy(appname, repo):
+    """fab -H username@host git_deploy:appname,username/remoname"""
+    appfolder = applications+'/'+appname
+    backup = mkdir_or_backup(appfolder)
+
+    if exists(appfolder):
+        with cd(appfolder):
+            sudo('git pull origin master')
+            sudo('chown -R www-data:www-data *')
+    else:
+        with cd(applications):
+            sudo('git clone git@github.com/%s %s' % (repo, name))
+            sudo('chown -R www-data:www-data %s' % name)
+    
+
+def deploy(appname=None, all=False):
+    """fab -H username@host deploy:appname,all"""
+    appname = appname or os.path.split(os.getcwd())[-1]
+    appfolder = applications+'/'+appname
+    if os.path.exists('_update.zip'):
+        os.unlink('_update.zip')
+
+    backup = mkdir_or_backup(appfolder)
+            
+    if all=='all' or not backup:
+        local('zip -r _update.zip * -x *~ -x .* -x \#* -x *.bak -x *.bak2')
+    else:        
+        local('zip -r _update.zip */*.py views/*.html views/*/*.html static/*')
+    put('_update.zip','/tmp/_update.zip')
+
+    with cd(appfolder):
+        sudo('unzip -o /tmp/_update.zip')
+        sudo('chown -R www-data:www-data *')
+        sudo('echo "%s" > DATE_DEPLOYMENT' % now)
+               
+    if backup:
+        print 'TO RESTORE: fab restore:%s' % backup
+             
+def restore(backup):
+    """fab -H username@host restore:backupfilename"""
+    appname = backup.split('/')[-1].split('.')[0]
+    appfolder = applications + '/' + appname
+    with cd(appfolder):
+        sudo('rm -r *')
+    with cd(applications):
+        sudo('unzip %s' % backup)
+        sudo('chown -R www-data:www-data %s' % appname)
+
+def cleanup(appname):
+    appname = appname or os.path.split(os.getcwd())[-1]
+    appfolder = applications + '/' + appname
+    with cd(appfolder):
+        sudo('rm -r session/*')
+        sudo('rm -r errors/*')
+        sudo('rm -r cache/*')