Split webapps types into separate files

2015-03-11 16:32:33 +00:00 · 2015-03-11 16:32:33 +00:00 · b36ca7a248
parent f7aac57a84
commit b36ca7a248
25 changed files with 654 additions and 505 deletions
--- a/TODO.md
+++ b/TODO.md
@ -203,11 +203,12 @@ POST INSTALL
 ssh-keygen
 ssh-copy-id root@<server-address>

+Php binaries should have this format: /usr/bin/php5.2-cgi

-* symbolicLink webapp (link stuff from other places)

-* logs on panle/logs/ ? mkdir ~webapps, backend post save signal? 
-* transaction abortion on backend.generation, transaction fault tolerant on backend.execute()
+
+* logs on panel/logs/ ? mkdir ~webapps, backend post save signal? 
+* transaction fault tolerant on backend.execute()
 * <IfModule security2_module> and other IfModule on backend SecRule


--- a/orchestra/apps/lists/backends.py
+++ b/orchestra/apps/lists/backends.py
@ -107,7 +107,14 @@ class MailmanBackend(ServiceController):
            sed -i -e '/^.*\s%(name)s\(%(address_regex)s\)\s*$/d' \\
                   -e 'N; /^\s*\\n\s*$/d; P; D' %(virtual_alias)s""") % context
        )
-        self.append("rmlist -a %(name)s" % context)
+        self.append(textwrap.dedent("""\
+            # Non-existent list archives produce exit code 1
+            exit_code=0
+            rmlist -a %(name)s || exit_code=$?
+            if [[ $exit_code != 0 && $exit_code != 1 ]]; then
+                exit $exit_code
+            fi""") % context
+        )
    
    def commit(self):
        context = self.get_context_files()
--- a/orchestra/apps/orchestration/helpers.py
+++ b/orchestra/apps/orchestration/helpers.py
@ -38,24 +38,30 @@ def message_user(request, logs):
    ids = []
    for log in logs:
        total += 1
-        ids.append(log.pk)
+        if log.state != log.EXCEPTION:
+            # EXCEPTION logs are not stored on the database
+            ids.append(log.pk)
        if log.state == log.SUCCESS:
            successes += 1
    errors = total-successes
-    if total > 1:
+    if len(ids) == 1:
+        url = reverse('admin:orchestration_backendlog_change', args=ids)
+        href = '<a href="{}">backends</a>'.format(url)
+    elif len(ids) > 1:
        url = reverse('admin:orchestration_backendlog_changelist')
        url += '?id__in=%s' % ','.join(map(str, ids))
+        href = '<a href="{}">backends</a>'.format(url)
    else:
-        url = reverse('admin:orchestration_backendlog_change', args=ids)
+        href = ''
    if errors:
        msg = ungettext(
-            _('{errors} out of {total} <a href="{url}">backends</a> has fail to execute.'),
-            _('{errors} out of {total} <a href="{url}">backends</a> have fail to execute.'),
+            _('{errors} out of {total} {href} has fail to execute.'),
+            _('{errors} out of {total} {href} have fail to execute.'),
            errors)
-        messages.error(request, mark_safe(msg.format(errors=errors, total=total, url=url)))
+        messages.error(request, mark_safe(msg.format(errors=errors, total=total, href=href)))
    else:
        msg = ungettext(
-            _('{total} <a href="{url}">backend</a> has been executed.'),
-            _('{total} <a href="{url}">backends</a> have been executed.'),
+            _('{total} {href} has been executed.'),
+            _('{total} {href} have been executed.'),
            total)
-        messages.success(request, mark_safe(msg.format(total=total, url=url)))
+        messages.success(request, mark_safe(msg.format(total=total, href=href)))
--- a/orchestra/apps/orchestration/manager.py
+++ b/orchestra/apps/orchestration/manager.py
@ -1,12 +1,15 @@
 import logging
 import threading
+import traceback

 from django import db
+from django.core.mail import mail_admins

 from orchestra.utils.python import import_class

 from . import settings
 from .helpers import send_report
+from .models import BackendLog


 logger = logging.getLogger(__name__)
@ -29,11 +32,16 @@ def close_connection(execute):
    def wrapper(*args, **kwargs):
        try:
            log = execute(*args, **kwargs)
-        except:
-            logger.error('EXCEPTION executing backend %s %s' % (str(args), str(kwargs)))
-            raise
+        except Exception as e:
+            subject = 'EXCEPTION executing backend(s) %s %s' % (str(args), str(kwargs))
+            message = traceback.format_exc()
+            logger.error(subject)
+            logger.error(message)
+            mail_admins(subject, message)
+            # We don't propagate the exception further to avoid transaction rollback
        else:
            # Using the wrapper function as threader messenger for the execute output
+            # Absense of it will indicate a failure at this stage
            wrapper.log = log
        finally:
            db.connection.close()
@ -78,13 +86,18 @@ def execute(operations, async=False):
    logs = []
    # collect results
    for execution, operations in executions:
-        for operation in operations:
-            logger.info("Executed %s" % str(operation))
-            operation.log = execution.log
-            operation.save()
-        stdout = execution.log.stdout.strip()
-        stdout and logger.debug('STDOUT %s', stdout)
-        stderr = execution.log.stderr.strip()
-        stderr and logger.debug('STDERR %s', stderr)
-        logs.append(execution.log)
+        # There is no log if an exception has been rised at the very end of the execution
+        if hasattr(execution, 'log'):
+            for operation in operations:
+                logger.info("Executed %s" % str(operation))
+                operation.log = execution.log
+                operation.save()
+            stdout = execution.log.stdout.strip()
+            stdout and logger.debug('STDOUT %s', stdout)
+            stderr = execution.log.stderr.strip()
+            stderr and logger.debug('STDERR %s', stderr)
+            logs.append(execution.log)
+        else:
+            mocked_log = BackendLog(state=BackendLog.EXCEPTION)
+            logs.append(mocked_log)
    return logs
--- a/orchestra/apps/orchestration/models.py
+++ b/orchestra/apps/orchestration/models.py
@ -52,6 +52,8 @@ class BackendLog(models.Model):
    FAILURE = 'FAILURE'
    ERROR = 'ERROR'
    REVOKED = 'REVOKED'
+    # Special state for mocked backendlogs
+    EXCEPTION = 'EXCEPTION'
    
    STATES = (
        (RECEIVED, RECEIVED),
--- a/orchestra/apps/payments/methods/options.py
+++ b/orchestra/apps/payments/methods/options.py
@ -26,9 +26,9 @@ class PaymentMethod(plugins.Plugin):
        return plugins
    
    @classmethod
-    def clean_data(cls, data):
+    def clean_data(cls):
        """ model clean, uses cls.serializer by default """
-        serializer = cls.serializer(data=data)
+        serializer = cls.serializer(data=self.instance.data)
        if not serializer.is_valid():
            serializer.errors.pop('non_field_errors', None)
            raise ValidationError(serializer.errors)
@ -43,11 +43,11 @@ class PaymentMethod(plugins.Plugin):
        self.serializer.plugin = self
        return self.serializer
    
-    def get_label(self, data):
-        return data[self.label_field]
+    def get_label(self):
+        return self.instance.data[self.label_field]
    
-    def get_number(self, data):
-        return data[self.number_field]
+    def get_number(self):
+        return self.instance.data[self.number_field]
    
-    def get_bill_message(self, source):
+    def get_bill_message(self):
        return ''
--- a/orchestra/apps/payments/methods/sepadirectdebit.py
+++ b/orchestra/apps/payments/methods/sepadirectdebit.py
@ -45,9 +45,9 @@ class SEPADirectDebit(PaymentMethod):
    serializer = SEPADirectDebitSerializer
    due_delta = datetime.timedelta(days=5)
    
-    def get_bill_message(self, source):
+    def get_bill_message(self):
        return _("This bill will been automatically charged to your bank account "
-                 " with IBAN number<br><strong>%s</strong>.") % source.number
+                 " with IBAN number<br><strong>%s</strong>.") % self.instance.number
    
    @classmethod
    def process(cls, transactions):
--- a/orchestra/apps/payments/models.py
+++ b/orchestra/apps/payments/models.py
@ -36,27 +36,27 @@ class PaymentSource(models.Model):
    @cached_property
    def service_instance(self):
        """ Per request lived method_instance """
-        return self.method_class()
+        return self.method_class(self)
    
    @cached_property
    def label(self):
-        return self.method_instance.get_label(self.data)
+        return self.method_instance.get_label()
    
    @cached_property
    def number(self):
-        return self.method_instance.get_number(self.data)
+        return self.method_instance.get_number()
    
    def get_bill_context(self):
        method = self.method_instance
        return {
-            'message': method.get_bill_message(self),
+            'message': method.get_bill_message(),
        }
    
    def get_due_delta(self):
        return self.method_instance.due_delta
    
    def clean(self):
-        self.data = self.method_instance.clean_data(self.data)
+        self.data = self.method_instance.clean_data()


 class TransactionQuerySet(models.QuerySet):
--- a/orchestra/apps/saas/models.py
+++ b/orchestra/apps/saas/models.py
@ -38,13 +38,13 @@ class SaaS(models.Model):
    @cached_property
    def service_instance(self):
        """ Per request lived service_instance """
-        return self.service_class()
+        return self.service_class(self)
    
    def get_site_name(self):
-        return self.service_instance.get_site_name(self)
+        return self.service_instance.get_site_name()
    
    def clean(self):
-        self.data = self.service_instance.clean_data(self)
+        self.data = self.service_instance.clean_data()
    
    def set_password(self, password):
        self.password = password
--- a/orchestra/apps/saas/services/options.py
+++ b/orchestra/apps/saas/services/options.py
@ -84,10 +84,9 @@ class SoftwareService(plugins.Plugin):
            plugins.append(import_class(cls))
        return plugins
    
-    @classmethod
-    def clean_data(cls, saas):
+    def clean_data(cls):
        """ model clean, uses cls.serizlier by default """
-        serializer = cls.serializer(data=saas.data)
+        serializer = cls.serializer(data=self.instance.data)
        if not serializer.is_valid():
            raise ValidationError(serializer.errors)
        return serializer.data
@ -96,8 +95,10 @@ class SoftwareService(plugins.Plugin):
    def get_change_readonly_fileds(cls):
        return cls.change_readonly_fileds + ('username',)
    
-    def get_site_name(self, saas):
-        return self.site_name or '.'.join((saas.site_name, self.site_name_base_domain))
+    def get_site_name(self):
+        return self.site_name or '.'.join(
+            (self.instance.site_name, self.site_name_base_domain)
+        )
    
    def get_form(self):
        self.form.plugin = self
--- a/orchestra/apps/webapps/admin.py
+++ b/orchestra/apps/webapps/admin.py
@ -69,11 +69,12 @@ class WebAppAdmin(SelectPluginAdminMixin, AccountAdminMixin, ExtendedModelAdmin)
            url = change_url(website)
            name = "%s on %s" % (website.name, content.path)
            websites.append('<a href="%s">%s</a>' % (url, name))
-        add_url = reverse('admin:websites_website_add')
-        # TODO support for preselecting related web app on website
-        add_url += '?account=%s' % webapp.account_id
-        plus = '<strong style="color:green; font-size:12px">+</strong>'
-        websites.append('<a href="%s">%s%s</a>' % (add_url, plus, ugettext("Add website")))
+        if not websites:
+            add_url = reverse('admin:websites_website_add')
+            # TODO support for preselecting related web app on website
+            add_url += '?account=%s' % webapp.account_id
+            plus = '<strong style="color:green; font-size:12px">+</strong>'
+            websites.append('<a href="%s">%s%s</a>' % (add_url, plus, ugettext("Add website")))
        return '<br>'.join(websites)
    display_websites.short_description = _("web sites")
    display_websites.allow_tags = True
--- a/orchestra/apps/webapps/backends/init.py
+++ b/orchestra/apps/webapps/backends/init.py
@ -9,13 +9,22 @@ class WebAppServiceMixin(object):
    directive = None
    
    def create_webapp_dir(self, context):
-        self.append("[[ ! -e %(app_path)s ]] && CREATED=true" % context)
-        self.append("mkdir -p %(app_path)s" % context)
-        self.append("chown %(user)s:%(group)s %(app_path)s" % context)
+        self.append(textwrap.dedent("""\
+            CREATED=0
+            [[ ! -e %(app_path)s ]] && CREATED=1
+            mkdir -p %(app_path)s
+            chown %(user)s:%(group)s %(app_path)s
+            """) % context
+        )
    
    def set_under_construction(self, context):
        if context['under_construction_path']:
-            self.append("[[ $CREATED ]] && cp -r %(under_construction_path)s %(app_path)s" % context)
+            self.append(textwrap.dedent("""\
+                if [[ $CREATED == 1 ]]; then
+                    cp -r %(under_construction_path)s %(app_path)s
+                    chown -R %(user)s:%(group)s %(app_path)s
+                fi""") % context
+            )
    
    def delete_webapp_dir(self, context):
        self.append("rm -fr %(app_path)s" % context)
--- a/orchestra/apps/webapps/backends/phpfcgid.py
+++ b/orchestra/apps/webapps/backends/phpfcgid.py
@ -13,7 +13,7 @@ class PHPFcgidBackend(WebAppServiceMixin, ServiceController):
    """ Per-webapp fcgid application """
    verbose_name = _("PHP-Fcgid")
    directive = 'fcgid'
-    default_route_match = "webapp.type.endswith('-fcgid')"
+    default_route_match = "webapp.type_class.php_execution == 'fcgid'"
    
    def save(self, webapp):
        context = self.get_context(webapp)
@ -37,6 +37,8 @@ class PHPFcgidBackend(WebAppServiceMixin, ServiceController):
                    echo -e '%(cmd_options)s' > %(cmd_options_path)s; UPDATED_APACHE=1
                }""" ) % context
            )
+        else:
+            self.append("rm -f %(cmd_options_path)s" % context)
    
    def delete(self, webapp):
        context = self.get_context(webapp)
@ -50,14 +52,14 @@ class PHPFcgidBackend(WebAppServiceMixin, ServiceController):
    def get_fcgid_wrapper(self, webapp, context):
        opt = webapp.type_instance
        # Format PHP init vars
-        init_vars = opt.get_php_init_vars(webapp)
+        init_vars = opt.get_php_init_vars()
        if init_vars:
            init_vars = [ '-d %s="%s"' % (k,v) for k,v in init_vars.iteritems() ]
        init_vars = ', '.join(init_vars)
        
        context.update({
-            'php_binary': opt.php_binary,
-            'php_rc': opt.php_rc,
+            'php_binary': opt.get_php_binary_path(),
+            'php_rc': opt.get_php_rc_path(),
            'php_init_vars': init_vars,
        })
        return textwrap.dedent("""\
@ -82,7 +84,7 @@ class PHPFcgidBackend(WebAppServiceMixin, ServiceController):
    
    def get_context(self, webapp):
        context = super(PHPFcgidBackend, self).get_context(webapp)
-        wrapper_path = settings.WEBAPPS_FCGID_PATH % context
+        wrapper_path = settings.WEBAPPS_FCGID_WRAPPER_PATH % context
        context.update({
            'wrapper': self.get_fcgid_wrapper(webapp, context),
            'wrapper_path': wrapper_path,
--- a/orchestra/apps/webapps/backends/phpfpm.py
+++ b/orchestra/apps/webapps/backends/phpfpm.py
@ -13,7 +13,7 @@ from .. import settings
 class PHPFPMBackend(WebAppServiceMixin, ServiceController):
    """ Per-webapp php application """
    verbose_name = _("PHP-FPM")
-    default_route_match = "webapp.type.endswith('-fpm')"
+    default_route_match = "webapp.type_class.php_execution == 'fpm'"
    
    def save(self, webapp):
        context = self.get_context(webapp)
@ -45,7 +45,7 @@ class PHPFPMBackend(WebAppServiceMixin, ServiceController):
    
    def get_fpm_config(self, webapp, context):
        context.update({
-            'init_vars': webapp.type_instance.get_php_init_vars(webapp),
+            'init_vars': webapp.type_instance.get_php_init_vars(),
            'fpm_port': webapp.get_fpm_port(),
            'max_children': webapp.get_options().get('processes', False),
            'request_terminate_timeout': webapp.get_options().get('timeout', False),
@ -76,4 +76,3 @@ class PHPFPMBackend(WebAppServiceMixin, ServiceController):
            'fpm_path': settings.WEBAPPS_PHPFPM_POOL_PATH % context,
        })
        return context
-
--- a/orchestra/apps/webapps/models.py
+++ b/orchestra/apps/webapps/models.py
@ -44,12 +44,12 @@ class WebApp(models.Model):
    @cached_property
    def type_instance(self):
        """ Per request lived type_instance """
-        return self.type_class()
+        return self.type_class(self)
    
    def clean(self):
        apptype = self.type_instance
-        apptype.validate(self)
-        self.data = apptype.clean_data(self)
+        apptype.validate()
+        self.data = apptype.clean_data()
    
    @cached
    def get_options(self):
@ -58,7 +58,7 @@ class WebApp(models.Model):
        }
    
    def get_directive(self):
-        return self.type_instance.get_directive(self)
+        return self.type_instance.get_directive()
    
    def get_path(self):
        context = {
@ -102,10 +102,10 @@ class WebAppOption(models.Model):
    @cached_property
    def option_instance(self):
        """ Per request lived option instance """
-        return self.option_class()
+        return self.option_class(self)
    
    def clean(self):
-        self.option_instance.validate(self)
+        self.option_instance.validate()


 services.register(WebApp)
@ -117,9 +117,9 @@ services.register(WebApp)
@receiver(pre_save, sender=WebApp, dispatch_uid='webapps.type.save')
 def type_save(sender, *args, **kwargs):
    instance = kwargs['instance']
-    instance.type_instance.save(instance)
+    instance.type_instance.save()

@receiver(pre_delete, sender=WebApp, dispatch_uid='webapps.type.delete')
 def type_delete(sender, *args, **kwargs):
    instance = kwargs['instance']
-    instance.type_instance.delete(instance)
+    instance.type_instance.delete()
--- a/orchestra/apps/webapps/options.py
+++ b/orchestra/apps/webapps/options.py
@ -37,12 +37,12 @@ class AppOption(Plugin):
                groups[opt.group] = [opt]
        return groups
    
-    def validate(self, option):
-        if self.regex and not re.match(self.regex, option.value):
+    def validate(self):
+        if self.regex and not re.match(self.regex, self.instance.value):
            raise ValidationError({
                'value': ValidationError(_("'%(value)s' does not match %(regex)s."),
                    params={
-                        'value': option.value,
+                        'value': self.instance.value,
                        'regex': self.regex
                    }),
            })
--- a/orchestra/apps/webapps/settings.py
+++ b/orchestra/apps/webapps/settings.py
@ -2,7 +2,9 @@ from django.conf import settings
 from django.utils.translation import ugettext_lazy as _


-WEBAPPS_BASE_ROOT = getattr(settings, 'WEBAPPS_BASE_ROOT', '%(home)s/webapps/%(app_name)s/')
+WEBAPPS_BASE_ROOT = getattr(settings, 'WEBAPPS_BASE_ROOT',
+    '%(home)s/webapps/%(app_name)s/')
+

 WEBAPPS_FPM_LISTEN = getattr(settings, 'WEBAPPS_FPM_LISTEN',
    # '127.0.0.1:9%(app_id)03d
@ -13,11 +15,12 @@ WEBAPPS_PHPFPM_POOL_PATH = getattr(settings, 'WEBAPPS_PHPFPM_POOL_PATH',
    '/etc/php5/fpm/pool.d/%(user)s-%(app_name)s.conf')


-WEBAPPS_FCGID_PATH = getattr(settings, 'WEBAPPS_FCGID_PATH',
+WEBAPPS_FCGID_WRAPPER_PATH = getattr(settings, 'WEBAPPS_FCGID_WRAPPER_PATH',
    '/home/httpd/fcgi-bin.d/%(user)s/%(app_name)s-wrapper')


 WEBAPPS_FCGID_CMD_OPTIONS_PATH = getattr(settings, 'WEBAPPS_FCGID_CMD_OPTIONS_PATH',
+    # Loaded by Apache
    '/etc/apache2/fcgid-conf/%(user)s-%(app_name)s.conf')


@ -25,19 +28,50 @@ WEBAPPS_PHP_ERROR_LOG_PATH = getattr(settings, 'WEBAPPS_PHP_ERROR_LOG_PATH',
    '')

 WEBAPPS_TYPES = getattr(settings, 'WEBAPPS_TYPES', (
-    'orchestra.apps.webapps.types.PHP54App',
-    'orchestra.apps.webapps.types.PHP53App',
-    'orchestra.apps.webapps.types.PHP52App',
-    'orchestra.apps.webapps.types.PHP4App',
-    'orchestra.apps.webapps.types.StaticApp',
-    'orchestra.apps.webapps.types.WebalizerApp',
-    'orchestra.apps.webapps.types.WordPressMuApp',
-    'orchestra.apps.webapps.types.DokuWikiMuApp',
-    'orchestra.apps.webapps.types.DrupalMuApp',
-    'orchestra.apps.webapps.types.SymbolicLinkApp',
-    'orchestra.apps.webapps.types.WordPressApp',
+    'orchestra.apps.webapps.types.php.PHPFPMApp',
+    'orchestra.apps.webapps.types.php.PHPFCGIDApp',
+    'orchestra.apps.webapps.types.misc.StaticApp',
+    'orchestra.apps.webapps.types.misc.WebalizerApp',
+    'orchestra.apps.webapps.types.saas.WordPressMuApp',
+    'orchestra.apps.webapps.types.saas.DokuWikiMuApp',
+    'orchestra.apps.webapps.types.saas.DrupalMuApp',
+    'orchestra.apps.webapps.types.misc.SymbolicLinkApp',
+    'orchestra.apps.webapps.types.wordpress.WordPressFPMApp',
+    'orchestra.apps.webapps.types.wordpress.WordPressFCGIDApp',
 ))

+
+
+WEBAPPS_PHP_FCGID_VERSIONS = getattr(settings, 'WEBAPPS_PHP_FCGID_VERSIONS', (
+    ('5.4', '5.4'),
+    ('5.3', '5.3'),
+    ('5.2', '5.2'),
+    ('4', '4'),
+))
+
+
+WEBAPPS_PHP_FCGID_DEFAULT_VERSION = getattr(settings, 'WEBAPPS_PHP_FCGID_DEFAULT_VERSION',
+    '5.4')
+
+
+WEBAPPS_PHP_CGI_BINARY_PATH = getattr(settings, 'WEBAPPS_PHP_CGI_BINARY_PATH',
+    # Path of the cgi binary used by fcgid
+    '/usr/bin/php%(php_version)s-cgi')
+
+WEBAPPS_PHP_CGI_RC_PATH = getattr(settings, 'WEBAPPS_PHP_CGI_RC_PATH',
+    # Path to php.ini
+    '/etc/php%(php_version)s/cgi/')
+
+
+WEBAPPS_PHP_FPM_VERSIONS = getattr(settings, 'WEBAPPS_PHP_FPM_VERSIONS', (
+    ('5.4', '5.4'),
+))
+
+
+WEBAPPS_PHP_FPM_DEFAULT_VERSION = getattr(settings, 'WEBAPPS_PHP_DEFAULT_VERSION',
+    '5.4')
+
+
 WEBAPPS_UNDER_CONSTRUCTION_PATH = getattr(settings, 'WEBAPPS_UNDER_CONSTRUCTION_PATH',
    # Server-side path where a under construction stock page is
    # '/var/www/undercontruction/index.html',
@ -51,14 +85,6 @@ WEBAPPS_UNDER_CONSTRUCTION_PATH = getattr(settings, 'WEBAPPS_UNDER_CONSTRUCTION_
 #        WEBAPPS_TYPES[webapp_type] = value


-WEBAPPS_DEFAULT_TYPE = getattr(settings, 'WEBAPPS_DEFAULT_TYPE', 'php5.5')
-
-
-WEBAPPS_DEFAULT_HTTPS_CERT = getattr(settings, 'WEBAPPS_DEFAULT_HTTPS_CERT',
-    ('/etc/apache2/cert', '/etc/apache2/cert.key')
-)
-
-
 WEBAPPS_PHP_DISABLED_FUNCTIONS = getattr(settings, 'WEBAPPS_PHP_DISABLED_FUNCTION', [
    'exec',
    'passthru',
--- a/orchestra/apps/webapps/types.py
+++ b/orchestra/apps/webapps/types.py
@ -1,408 +0,0 @@
-import os
-
-from django import forms
-from django.core.exceptions import ValidationError
-from django.utils.safestring import mark_safe
-from django.utils.translation import ugettext_lazy as _
-
-from orchestra import plugins
-from orchestra.plugins.forms import PluginDataForm
-from orchestra.core import validators
-from orchestra.forms import widgets
-from orchestra.utils.functional import cached
-from orchestra.utils.python import import_class
-
-from . import options, settings
-from .options import AppOption
-
-
-class AppType(plugins.Plugin):
-    name = None
-    verbose_name = ""
-    help_text= ""
-    form = PluginDataForm
-    change_form = None
-    serializer = None
-    icon = 'orchestra/icons/apps.png'
-    unique_name = False
-    option_groups = (AppOption.FILESYSTEM, AppOption.PROCESS, AppOption.PHP)
-    
-    @classmethod
-    @cached
-    def get_plugins(cls):
-        plugins = []
-        for cls in settings.WEBAPPS_TYPES:
-            plugins.append(import_class(cls))
-        return plugins
-    
-    def clean_data(self, webapp):
-        """ model clean, uses cls.serizlier by default """
-        if self.serializer:
-            serializer = self.serializer(data=webapp.data)
-            if not serializer.is_valid():
-                raise ValidationError(serializer.errors)
-            return serializer.data
-        return {}
-    
-    def get_directive(self, webapp):
-        return ('static', webapp.get_path())
-    
-    def get_form(self):
-        self.form.plugin = self
-        self.form.plugin_field = 'type'
-        return self.form
-    
-    def get_change_form(self):
-        form = self.change_form or self.form
-        form.plugin = self
-        form.plugin_field = 'type'
-        return form
-    
-    def get_serializer(self):
-        self.serializer.plugin = self
-        return self.serializer
-    
-    def validate(self, instance):
-        """ Unique name validation """
-        if self.unique_name:
-            if not instance.pk and Webapp.objects.filter(name=instance.name, type=instance.type).exists():
-                raise ValidationError({
-                    'name': _("A WordPress blog with this name already exists."),
-                })
-    
-    @classmethod
-    @cached
-    def get_php_options(cls):
-        php_version = getattr(cls, 'php_version', 1)
-        php_options = AppOption.get_option_groups()[AppOption.PHP]
-        return [op for op in php_options if getattr(cls, 'deprecated', 99) > php_version]
-    
-    @classmethod
-    @cached
-    def get_options(cls):
-        """ Get enabled options based on cls.option_groups """
-        groups = AppOption.get_option_groups()
-        options = []
-        for group in cls.option_groups:
-            group_options = groups[group]
-            if group == AppOption.PHP:
-                group_options = cls.get_php_options()
-            if group is None:
-                options.insert(0, (group, group_options))
-            else:
-                options.append((group, group_options))
-        return options
-    
-    @classmethod
-    def get_options_choices(cls):
-        """ Generates grouped choices ready to use in Field.choices """
-        # generators can not be @cached
-        yield (None, '-------')
-        for group, options in cls.get_options():
-            if group is None:
-                for option in options:
-                    yield (option.name, option.verbose_name)
-            else:
-                yield (group, [(op.name, op.verbose_name) for op in options])
-    
-    def save(self, instance):
-        pass
-    
-    def delete(self, instance):
-        pass
-    
-    def get_related_objects(self, instance):
-        pass
-    
-    def get_directive_context(self, webapp):
-        return {
-            'app_id': webapp.id,
-            'app_name': webapp.name,
-            'user': webapp.account.username,
-        }
-
-
-class PHPAppType(AppType):
-    php_version = 5.4
-    fpm_listen = settings.WEBAPPS_FPM_LISTEN
-    
-    def get_directive(self, webapp):
-        context = self.get_directive_context(webapp)
-        socket_type = 'unix'
-        if ':' in self.fpm_listen:
-            socket_type = 'tcp'
-        socket = self.fpm_listen % context
-        return ('fpm', socket_type, socket, webapp.get_path())
-    
-    def get_context(self, webapp):
-        """ context used to format settings """
-        return {
-            'home': webapp.account.main_systemuser.get_home(),
-            'account': webapp.account.username,
-            'user': webapp.account.username,
-            'app_name': webapp.name,
-        }
-    
-    def get_php_init_vars(self, webapp, per_account=False):
-        """
-        process php options for inclusion on php.ini
-        per_account=True merges all (account, webapp.type) options
-        """
-        init_vars = {}
-        options = webapp.options.all()
-        if per_account:
-            options = webapp.account.webapps.filter(webapp_type=webapp.type)
-        php_options = [option.name for option in type(self).get_php_options()]
-        for opt in options:
-            if opt.name in php_options:
-                init_vars[opt.name] = opt.value
-        enabled_functions = []
-        for value in options.filter(name='enabled_functions').values_list('value', flat=True):
-            enabled_functions += enabled_functions.get().value.split(',')
-        if enabled_functions:
-            disabled_functions = []
-            for function in settings.WEBAPPS_PHP_DISABLED_FUNCTIONS:
-                if function not in enabled_functions:
-                    disabled_functions.append(function)
-            init_vars['dissabled_functions'] = ','.join(disabled_functions)
-        if settings.WEBAPPS_PHP_ERROR_LOG_PATH and 'error_log' not in init_vars:
-            context = self.get_context(webapp)
-            error_log_path = os.path.normpath(settings.WEBAPPS_PHP_ERROR_LOG_PATH % context)
-            init_vars['error_log'] = error_log_path
-        return init_vars
-
-
-class PHP54App(PHPAppType):
-    name = 'php5.4-fpm'
-    php_version = 5.4
-    verbose_name = "PHP 5.4 FPM"
-    help_text = _("This creates a PHP5.5 application under ~/webapps/&lt;app_name&gt;<br>"
-                  "PHP-FPM will be used to execute PHP files.")
-    icon = 'orchestra/icons/apps/PHPFPM.png'
-
-
-class PHP53App(PHPAppType):
-    name = 'php5.3-fcgid'
-    php_version = 5.3
-    php_binary = '/usr/bin/php5-cgi'
-    php_rc = '/etc/php5/cgi/'
-    verbose_name = "PHP 5.3 FCGID"
-    help_text = _("This creates a PHP5.3 application under ~/webapps/&lt;app_name&gt;<br>"
-                  "Apache-mod-fcgid will be used to execute PHP files.")
-    icon = 'orchestra/icons/apps/PHPFCGI.png'
-    
-    def get_directive(self, webapp):
-        context = self.get_directive_context(webapp)
-        wrapper_path = os.path.normpath(settings.WEBAPPS_FCGID_PATH % context)
-        return ('fcgid', webapp.get_path(), wrapper_path)
-
-
-class PHP52App(PHP53App):
-    name = 'php5.2-fcgid'
-    php_version = 5.2
-    php_binary = '/usr/bin/php5.2-cgi'
-    php_rc = '/etc/php5.2/cgi/'
-    verbose_name = "PHP 5.2 FCGID"
-    help_text = _("This creates a PHP5.2 application under ~/webapps/&lt;app_name&gt;<br>"
-                  "Apache-mod-fcgid will be used to execute PHP files.")
-    icon = 'orchestra/icons/apps/PHPFCGI.png'
-
-
-class PHP4App(PHP53App):
-    name = 'php4-fcgid'
-    php_version = 4
-    php_binary = '/usr/bin/php4-cgi'
-    verbose_name = "PHP 4 FCGID"
-    help_text = _("This creates a PHP4 application under ~/webapps/&lt;app_name&gt;<br>"
-                  "Apache-mod-fcgid will be used to execute PHP files.")
-    icon = 'orchestra/icons/apps/PHPFCGI.png'
-
-
-class StaticApp(AppType):
-    name = 'static'
-    verbose_name = "Static"
-    help_text = _("This creates a Static application under ~/webapps/&lt;app_name&gt;<br>"
-                  "Apache2 will be used to serve static content and execute CGI files.")
-    icon = 'orchestra/icons/apps/Static.png'
-    option_groups = (AppOption.FILESYSTEM,)
-
-
-class WebalizerApp(AppType):
-    name = 'webalizer'
-    verbose_name = "Webalizer"
-    directive = ('static', '%(app_path)s%(site_name)s')
-    help_text = _("This creates a Webalizer application under "
-                  "~/webapps/&lt;app_name&gt;-&lt;site_name&gt;")
-    icon = 'orchestra/icons/apps/Stats.png'
-    option_groups = ()
-    
-    def get_directive(self, webapp):
-        webalizer_path = os.path.join(webapp.get_path(), '%(site_name)s')
-        webalizer_path = os.path.normpath(webalizer_path)
-        return ('static', webalizer_path)
-
-
-class WordPressMuApp(PHPAppType):
-    name = 'wordpress-mu'
-    verbose_name = "WordPress (SaaS)"
-    directive = ('fpm', 'fcgi://127.0.0.1:8990/home/httpd/wordpress-mu/')
-    help_text = _("This creates a WordPress site on a multi-tenant WordPress server.<br>"
-                  "By default this blog is accessible via &lt;app_name&gt;.blogs.orchestra.lan")
-    icon = 'orchestra/icons/apps/WordPressMu.png'
-    unique_name = True
-    option_groups = ()
-    fpm_listen = settings.WEBAPPS_WORDPRESSMU_LISTEN
-
-
-class DokuWikiMuApp(PHPAppType):
-    name = 'dokuwiki-mu'
-    verbose_name = "DokuWiki (SaaS)"
-    directive = ('alias', '/home/httpd/wikifarm/farm/')
-    help_text = _("This create a DokuWiki wiki into a shared DokuWiki server.<br>"
-                  "By default this wiki is accessible via &lt;app_name&gt;.wikis.orchestra.lan")
-    icon = 'orchestra/icons/apps/DokuWikiMu.png'
-    unique_name = True
-    option_groups = ()
-    fpm_listen = settings.WEBAPPS_DOKUWIKIMU_LISTEN
-
-
-class MoodleMuApp(PHPAppType):
-    name = 'moodle-mu'
-    verbose_name = "Moodle (SaaS)"
-    directive = ('alias', '/home/httpd/wikifarm/farm/')
-    help_text = _("This create a Moodle site into a shared Moodle server.<br>"
-                  "By default this wiki is accessible via &lt;app_name&gt;.moodle.orchestra.lan")
-    icon = 'orchestra/icons/apps/MoodleMu.png'
-    unique_name = True
-    option_groups = ()
-    fpm_listen = settings.WEBAPPS_MOODLEMU_LISTEN
-
-
-class DrupalMuApp(PHPAppType):
-    name = 'drupal-mu'
-    verbose_name = "Drupdal (SaaS)"
-    directive = ('fpm', 'fcgi://127.0.0.1:8991/home/httpd/drupal-mu/')
-    help_text = _("This creates a Drupal site into a multi-tenant Drupal server.<br>"
-                  "The installation will be completed after visiting "
-                  "http://&lt;app_name&gt;.drupal.orchestra.lan/install.php?profile=standard<br>"
-                  "By default this site will be accessible via &lt;app_name&gt;.drupal.orchestra.lan")
-    icon = 'orchestra/icons/apps/DrupalMu.png'
-    unique_name = True
-    option_groups = ()
-    fpm_listen = settings.WEBAPPS_DRUPALMU_LISTEN
-
-
-from rest_framework import serializers
-from orchestra.forms import widgets
-class SymbolicLinkForm(PluginDataForm):
-    path = forms.CharField(label=_("Path"), widget=forms.TextInput(attrs={'size':'100'}),
-            help_text=_("Path for the origin of the symbolic link."))
-
-
-class SymbolicLinkSerializer(serializers.Serializer):
-    path = serializers.CharField(label=_("Path"))
-
-
-class SymbolicLinkApp(PHPAppType):
-    name = 'symbolic-link'
-    verbose_name = "Symbolic link"
-    form = SymbolicLinkForm
-    serializer = SymbolicLinkSerializer
-    icon = 'orchestra/icons/apps/SymbolicLink.png'
-    change_readonly_fileds = ('path',)
-
-
-class WordPressForm(PluginDataForm):
-    db_name = forms.CharField(label=_("Database name"),
-            help_text=_("Database used for this webapp."))
-    db_user = forms.CharField(label=_("Database user"),)
-    db_pass = forms.CharField(label=_("Database user password"),
-            help_text=_("Initial database password."))
-
-
-class WordPressSerializer(serializers.Serializer):
-    db_name = serializers.CharField(label=_("Database name"), required=False)
-    db_user = serializers.CharField(label=_("Database user"), required=False)
-    db_pass = serializers.CharField(label=_("Database user password"), required=False)
-
-
-from orchestra.apps.databases.models import Database, DatabaseUser
-from orchestra.utils.python import random_ascii
-
-
-class WordPressApp(PHPAppType):
-    name = 'wordpress'
-    verbose_name = "WordPress"
-    icon = 'orchestra/icons/apps/WordPress.png'
-    change_form = WordPressForm
-    serializer = WordPressSerializer
-    change_readonly_fileds = ('db_name', 'db_user', 'db_pass',)
-    help_text = _("Visit http://&lt;domain.lan&gt;/wp-admin/install.php to finish the installation.")
-    
-    def get_db_name(self, webapp):
-        db_name = 'wp_%s_%s' % (webapp.name, webapp.account)
-        # Limit for mysql database names
-        return db_name[:65]
-    
-    def get_db_user(self, webapp):
-        db_name = self.get_db_name(webapp)
-        # Limit for mysql user names
-        return db_name[:17]
-    
-    def get_db_pass(self):
-        return random_ascii(10)
-    
-    def validate(self, webapp):
-        create = not webapp.pk
-        if create:
-            db = Database(name=self.get_db_name(webapp), account=webapp.account)
-            user = DatabaseUser(username=self.get_db_user(webapp), password=self.get_db_pass(),
-                    account=webapp.account)
-            for obj in (db, user):
-                try:
-                    obj.full_clean()
-                except ValidationError, e:
-                    raise ValidationError({
-                        'name': e.messages,
-                    })
-    
-    def save(self, webapp):
-        create = not webapp.pk
-        if create:
-            db_name = self.get_db_name(webapp)
-            db_user = self.get_db_user(webapp)
-            db_pass = self.get_db_pass()
-            db = Database.objects.create(name=db_name, account=webapp.account)
-            user = DatabaseUser(username=db_user, account=webapp.account)
-            user.set_password(db_pass)
-            user.save()
-            db.users.add(user)
-            webapp.data = {
-                'db_name': db_name,
-                'db_user': db_user,
-                'db_pass': db_pass,
-            }
-        else:
-            # Trigger related backends
-            for related in self.get_related(webapp):
-                related.save()
-        
-    def delete(self, webapp):
-        for related in self.get_related(webapp):
-            related.delete()
-    
-    def get_related(self, webapp):
-        related = []
-        try:
-            db_user = DatabaseUser.objects.get(username=webapp.data.get('db_user'))
-        except DatabaseUser.DoesNotExist:
-            pass
-        else:
-            related.append(db_user)
-        try:
-            db = Database.objects.get(name=webapp.data.get('db_name'))
-        except Database.DoesNotExist:
-            pass
-        else:
-            related.append(db)
-        return related
--- a/orchestra/apps/webapps/types/init.py
+++ b/orchestra/apps/webapps/types/init.py
@ -0,0 +1,119 @@
+from django.core.exceptions import ValidationError
+
+from orchestra import plugins
+from orchestra.plugins.forms import PluginDataForm
+from orchestra.utils.functional import cached
+from orchestra.utils.python import import_class
+
+from .. import settings
+from ..options import AppOption
+
+
+class AppType(plugins.Plugin):
+    name = None
+    verbose_name = ""
+    help_text= ""
+    form = PluginDataForm
+    change_form = None
+    serializer = None
+    icon = 'orchestra/icons/apps.png'
+    unique_name = False
+    option_groups = (AppOption.FILESYSTEM, AppOption.PROCESS, AppOption.PHP)
+    # TODO generic name like 'execution' ?
+    php_execution = None
+    
+    @classmethod
+    @cached
+    def get_plugins(cls):
+        plugins = []
+        for cls in settings.WEBAPPS_TYPES:
+            plugins.append(import_class(cls))
+        return plugins
+    
+    def clean_data(self):
+        """ model clean, uses cls.serizlier by default """
+        if self.serializer:
+            serializer = self.serializer(data=self.instance.data)
+            if not serializer.is_valid():
+                raise ValidationError(serializer.errors)
+            return serializer.data
+        return {}
+    
+    def get_directive(self):
+        raise NotImplementedError
+    
+    def get_form(self):
+        self.form.plugin = self
+        self.form.plugin_field = 'type'
+        return self.form
+    
+    def get_change_form(self):
+        form = self.change_form or self.form
+        form.plugin = self
+        form.plugin_field = 'type'
+        return form
+    
+    def get_serializer(self):
+        self.serializer.plugin = self
+        return self.serializer
+    
+    def validate(self):
+        """ Unique name validation """
+        if self.unique_name:
+            if not self.instance.pk and Webapp.objects.filter(name=self.instance.name, type=self.instance.type).exists():
+                raise ValidationError({
+                    'name': _("A WordPress blog with this name already exists."),
+                })
+    
+    @classmethod
+    @cached
+    def get_php_options(cls):
+        # TODO validate php options once a php version has been selected (deprecated directives)
+        php_version = getattr(cls, 'php_version', 1)
+        php_options = AppOption.get_option_groups()[AppOption.PHP]
+        return [op for op in php_options if getattr(cls, 'deprecated', 99) > php_version]
+    
+    @classmethod
+    @cached
+    def get_options(cls):
+        """ Get enabled options based on cls.option_groups """
+        groups = AppOption.get_option_groups()
+        options = []
+        for group in cls.option_groups:
+            group_options = groups[group]
+            if group == AppOption.PHP:
+                group_options = cls.get_php_options()
+            if group is None:
+                options.insert(0, (group, group_options))
+            else:
+                options.append((group, group_options))
+        return options
+    
+    @classmethod
+    def get_options_choices(cls):
+        """ Generates grouped choices ready to use in Field.choices """
+        # generators can not be @cached
+        yield (None, '-------')
+        for group, options in cls.get_options():
+            if group is None:
+                for option in options:
+                    yield (option.name, option.verbose_name)
+            else:
+                yield (group, [(op.name, op.verbose_name) for op in options])
+    
+    def save(self):
+        pass
+    
+    def delete(self):
+        pass
+    
+    def get_related_objects(self):
+        pass
+    
+    def get_directive_context(self):
+        return {
+            'app_id': self.instance.id,
+            'app_name': self.instance.name,
+            'user': self.instance.account.username,
+        }
+
--- a/orchestra/apps/webapps/types/misc.py
+++ b/orchestra/apps/webapps/types/misc.py
@ -0,0 +1,59 @@
+import os
+
+from django import forms
+from django.utils.translation import ugettext_lazy as _
+from rest_framework import serializers
+
+from orchestra.plugins.forms import PluginDataForm
+
+from ..options import AppOption
+
+from . import AppType
+from .php import PHPAppType
+
+
+class StaticApp(AppType):
+    name = 'static'
+    verbose_name = "Static"
+    help_text = _("This creates a Static application under ~/webapps/&lt;app_name&gt;<br>"
+                  "Apache2 will be used to serve static content and execute CGI files.")
+    icon = 'orchestra/icons/apps/Static.png'
+    option_groups = (AppOption.FILESYSTEM,)
+    
+    def get_directive(self):
+        return ('static', self.instance.get_path())
+
+
+class WebalizerApp(AppType):
+    name = 'webalizer'
+    verbose_name = "Webalizer"
+    directive = ('static', '%(app_path)s%(site_name)s')
+    help_text = _("This creates a Webalizer application under "
+                  "~/webapps/&lt;app_name&gt;-&lt;site_name&gt;")
+    icon = 'orchestra/icons/apps/Stats.png'
+    option_groups = ()
+    
+    def get_directive(self, webapp):
+        webalizer_path = os.path.join(webapp.get_path(), '%(site_name)s')
+        webalizer_path = os.path.normpath(webalizer_path)
+        return ('static', webalizer_path)
+
+
+class SymbolicLinkForm(PluginDataForm):
+    path = forms.CharField(label=_("Path"), widget=forms.TextInput(attrs={'size':'100'}),
+            help_text=_("Path for the origin of the symbolic link."))
+
+
+class SymbolicLinkSerializer(serializers.Serializer):
+    path = serializers.CharField(label=_("Path"))
+
+
+class SymbolicLinkApp(PHPAppType):
+    name = 'symbolic-link'
+    verbose_name = "Symbolic link"
+    form = SymbolicLinkForm
+    serializer = SymbolicLinkSerializer
+    icon = 'orchestra/icons/apps/SymbolicLink.png'
+    change_readonly_fileds = ('path',)
+
+
--- a/orchestra/apps/webapps/types/php.py
+++ b/orchestra/apps/webapps/types/php.py
@ -0,0 +1,131 @@
+import os
+
+from django import forms
+from django.utils.translation import ugettext_lazy as _
+from rest_framework import serializers
+
+from orchestra.forms import widgets
+from orchestra.plugins.forms import PluginDataForm
+
+from .. import settings
+
+from . import AppType
+
+
+class PHPAppType(AppType):
+    FPM = 'fpm'
+    FCGID = 'fcgid'
+    
+    php_version = 5.4
+    fpm_listen = settings.WEBAPPS_FPM_LISTEN
+    
+    def get_context(self):
+        """ context used to format settings """
+        return {
+            'home': self.instance.account.main_systemuser.get_home(),
+            'account': self.instance.account.username,
+            'user': self.instance.account.username,
+            'app_name': self.instance.name,
+        }
+    
+    def get_php_init_vars(self, per_account=False):
+        """
+        process php options for inclusion on php.ini
+        per_account=True merges all (account, webapp.type) options
+        """
+        init_vars = {}
+        options = self.instance.options.all()
+        if per_account:
+            options = self.instance.account.webapps.filter(webapp_type=self.instance.type)
+        php_options = [option.name for option in type(self).get_php_options()]
+        for opt in options:
+            if opt.name in php_options:
+                init_vars[opt.name] = opt.value
+        enabled_functions = []
+        for value in options.filter(name='enabled_functions').values_list('value', flat=True):
+            enabled_functions += enabled_functions.get().value.split(',')
+        if enabled_functions:
+            disabled_functions = []
+            for function in settings.WEBAPPS_PHP_DISABLED_FUNCTIONS:
+                if function not in enabled_functions:
+                    disabled_functions.append(function)
+            init_vars['dissabled_functions'] = ','.join(disabled_functions)
+        if settings.WEBAPPS_PHP_ERROR_LOG_PATH and 'error_log' not in init_vars:
+            context = self.get_context()
+            error_log_path = os.path.normpath(settings.WEBAPPS_PHP_ERROR_LOG_PATH % context)
+            init_vars['error_log'] = error_log_path
+        return init_vars
+
+
+class PHPFPMAppForm(PluginDataForm):
+    php_version = forms.ChoiceField(label=_("PHP version"),
+            choices=settings.WEBAPPS_PHP_FPM_VERSIONS,
+            initial=settings.WEBAPPS_PHP_FPM_DEFAULT_VERSION)
+
+
+class PHPFPMAppSerializer(serializers.Serializer):
+    php_version = serializers.ChoiceField(label=_("PHP version"),
+            choices=settings.WEBAPPS_PHP_FPM_VERSIONS,
+            default=settings.WEBAPPS_PHP_FPM_DEFAULT_VERSION)
+
+
+class PHPFPMApp(PHPAppType):
+    name = 'php-fpm'
+    php_execution = PHPAppType.FPM
+    verbose_name = "PHP FPM"
+    help_text = _("This creates a PHP application under ~/webapps/&lt;app_name&gt;<br>"
+                  "PHP-FPM will be used to execute PHP files.")
+    icon = 'orchestra/icons/apps/PHPFPM.png'
+    form = PHPFPMAppForm
+    serializer = PHPFPMAppSerializer
+    
+    def get_directive(self):
+        context = self.get_directive_context()
+        socket_type = 'unix'
+        if ':' in self.fpm_listen:
+            socket_type = 'tcp'
+        socket = self.fpm_listen % context
+        return ('fpm', socket_type, socket, self.instance.get_path())
+
+
+class PHPFCGIDAppForm(PluginDataForm):
+    php_version = forms.ChoiceField(label=_("PHP version"),
+            choices=settings.WEBAPPS_PHP_FCGID_VERSIONS,
+            initial=settings.WEBAPPS_PHP_FCGID_DEFAULT_VERSION)
+
+
+class PHPFCGIDAppSerializer(serializers.Serializer):
+    php_version = serializers.ChoiceField(label=_("PHP version"),
+            choices=settings.WEBAPPS_PHP_FCGID_VERSIONS,
+            default=settings.WEBAPPS_PHP_FCGID_DEFAULT_VERSION)
+
+
+class PHPFCGIDApp(PHPAppType):
+    name = 'php-fcgid'
+    php_execution = PHPAppType.FCGID
+    verbose_name = "PHP FCGID"
+    help_text = _("This creates a PHP application under ~/webapps/&lt;app_name&gt;<br>"
+                  "Apache-mod-fcgid will be used to execute PHP files.")
+    icon = 'orchestra/icons/apps/PHPFCGI.png'
+    form = PHPFCGIDAppForm
+    serializer = PHPFCGIDAppSerializer
+    
+    def get_directive(self):
+        context = self.get_directive_context()
+        wrapper_path = os.path.normpath(settings.WEBAPPS_FCGID_PATH % context)
+        return ('fcgid', self.instance.get_path(), wrapper_path)
+    
+    def get_php_binary_path(self):
+        default_version = settings.WEBAPPS_PHP_FCGID_DEFAULT_VERSION
+        context = {
+            'php_version': self.instance.data.get('php_version', default_version)
+        }
+        return os.path.normpath(settings.WEBAPPS_PHP_CGI_BINARY_PATH % context)
+    
+    def get_php_rc_path(self):
+        default_version = settings.WEBAPPS_PHP_FCGID_DEFAULT_VERSION
+        context = {
+            'php_version': self.instance.data.get('php_version', default_version)
+        }
+        return os.path.normpath(settings.WEBAPPS_PHP_CGI_RC_PATH % context)
+
--- a/orchestra/apps/webapps/types/saas.py
+++ b/orchestra/apps/webapps/types/saas.py
@ -0,0 +1,54 @@
+from django.utils.translation import ugettext_lazy as _
+
+from . import AppType
+from .. import settings
+
+
+class WordPressMuApp(AppType):
+    name = 'wordpress-mu'
+    verbose_name = "WordPress (SaaS)"
+    directive = ('fpm', 'fcgi://127.0.0.1:8990/home/httpd/wordpress-mu/')
+    help_text = _("This creates a WordPress site on a multi-tenant WordPress server.<br>"
+                  "By default this blog is accessible via &lt;app_name&gt;.blogs.orchestra.lan")
+    icon = 'orchestra/icons/apps/WordPressMu.png'
+    unique_name = True
+    option_groups = ()
+    fpm_listen = settings.WEBAPPS_WORDPRESSMU_LISTEN
+
+
+class DokuWikiMuApp(AppType):
+    name = 'dokuwiki-mu'
+    verbose_name = "DokuWiki (SaaS)"
+    directive = ('alias', '/home/httpd/wikifarm/farm/')
+    help_text = _("This create a DokuWiki wiki into a shared DokuWiki server.<br>"
+                  "By default this wiki is accessible via &lt;app_name&gt;.wikis.orchestra.lan")
+    icon = 'orchestra/icons/apps/DokuWikiMu.png'
+    unique_name = True
+    option_groups = ()
+    fpm_listen = settings.WEBAPPS_DOKUWIKIMU_LISTEN
+
+
+class MoodleMuApp(AppType):
+    name = 'moodle-mu'
+    verbose_name = "Moodle (SaaS)"
+    directive = ('alias', '/home/httpd/wikifarm/farm/')
+    help_text = _("This create a Moodle site into a shared Moodle server.<br>"
+                  "By default this wiki is accessible via &lt;app_name&gt;.moodle.orchestra.lan")
+    icon = 'orchestra/icons/apps/MoodleMu.png'
+    unique_name = True
+    option_groups = ()
+    fpm_listen = settings.WEBAPPS_MOODLEMU_LISTEN
+
+
+class DrupalMuApp(AppType):
+    name = 'drupal-mu'
+    verbose_name = "Drupdal (SaaS)"
+    directive = ('fpm', 'fcgi://127.0.0.1:8991/home/httpd/drupal-mu/')
+    help_text = _("This creates a Drupal site into a multi-tenant Drupal server.<br>"
+                  "The installation will be completed after visiting "
+                  "http://&lt;app_name&gt;.drupal.orchestra.lan/install.php?profile=standard<br>"
+                  "By default this site will be accessible via &lt;app_name&gt;.drupal.orchestra.lan")
+    icon = 'orchestra/icons/apps/DrupalMu.png'
+    unique_name = True
+    option_groups = ()
+    fpm_listen = settings.WEBAPPS_DRUPALMU_LISTEN
--- a/orchestra/apps/webapps/types/wordpress.py
+++ b/orchestra/apps/webapps/types/wordpress.py
@ -0,0 +1,123 @@
+from django import forms
+from django.core.exceptions import ValidationError
+from django.utils.translation import ugettext_lazy as _
+from rest_framework import serializers
+
+from orchestra.apps.databases.models import Database, DatabaseUser
+from orchestra.plugins.forms import PluginDataForm
+from orchestra.utils.python import random_ascii
+
+from .. import settings
+
+from .php import (PHPAppType, PHPFCGIDApp, PHPFPMApp, PHPFCGIDAppForm, PHPFCGIDAppSerializer,
+        PHPFPMAppForm, PHPFPMAppSerializer)
+
+
+class WordPressAbstractAppForm(PluginDataForm):
+    db_name = forms.CharField(label=_("Database name"),
+            help_text=_("Database used for this webapp."))
+    db_user = forms.CharField(label=_("Database user"),)
+    db_pass = forms.CharField(label=_("Database user password"),
+            help_text=_("Initial database password."))
+
+
+class WordPressAbstractAppSerializer(serializers.Serializer):
+    db_name = serializers.CharField(label=_("Database name"), required=False)
+    db_user = serializers.CharField(label=_("Database user"), required=False)
+    db_pass = serializers.CharField(label=_("Database user password"), required=False)
+
+
+class WordPressAbstractApp(object):
+    icon = 'orchestra/icons/apps/WordPress.png'
+    change_readonly_fileds = ('db_name', 'db_user', 'db_pass',)
+    help_text = _("Visit http://&lt;domain.lan&gt;/wp-admin/install.php to finish the installation.")
+    
+    def get_db_name(self):
+        db_name = 'wp_%s_%s' % (self.instance.name, self.instance.account)
+        # Limit for mysql database names
+        return db_name[:65]
+    
+    def get_db_user(self):
+        db_name = self.get_db_name()
+        # Limit for mysql user names
+        return db_name[:16]
+    
+    def get_db_pass(self):
+        return random_ascii(10)
+    
+    def validate(self):
+        super(WordPressAbstractApp, self).validate()
+        create = not self.instance.pk
+        if create:
+            db = Database(name=self.get_db_name(), account=self.instance.account)
+            user = DatabaseUser(username=self.get_db_user(), password=self.get_db_pass(),
+                    account=self.instance.account)
+            for obj in (db, user):
+                try:
+                    obj.full_clean()
+                except ValidationError as e:
+                    raise ValidationError({
+                        'name': e.messages,
+                    })
+    
+    def save(self):
+        create = not self.instance.pk
+        if create:
+            db_name = self.get_db_name()
+            db_user = self.get_db_user()
+            db_pass = self.get_db_pass()
+            db = Database.objects.create(name=db_name, account=self.instance.account)
+            user = DatabaseUser(username=db_user, account=self.instance.account)
+            user.set_password(db_pass)
+            user.save()
+            db.users.add(user)
+            self.instance.data = {
+                'db_name': db_name,
+                'db_user': db_user,
+                'db_pass': db_pass,
+            }
+        else:
+            # Trigger related backends
+            for related in self.get_related():
+                related.save()
+        
+    def delete(self):
+        for related in self.get_related():
+            related.delete()
+    
+    def get_related(self):
+        related = []
+        account = self.instance.account
+        try:
+            db_user = account.databaseusers.get(username=self.instance.data.get('db_user'))
+        except DatabaseUser.DoesNotExist:
+            pass
+        else:
+            related.append(db_user)
+        try:
+            db = account.databases.get(name=self.instance.data.get('db_name'))
+        except Database.DoesNotExist:
+            pass
+        else:
+            related.append(db)
+        return related
+
+
+class WordPressFPMApp(WordPressAbstractApp, PHPFPMApp):
+    name = 'wordpress-fpm'
+    php_execution = PHPAppType.FPM
+    verbose_name = "WordPress (FPM)"
+    serializer = type('WordPressFPMSerializer',
+            (WordPressAbstractAppSerializer, PHPFPMAppSerializer), {})
+    change_form = type('WordPressFPMForm',
+            (WordPressAbstractAppForm, PHPFPMAppForm), {})
+
+
+class WordPressFCGIDApp(WordPressAbstractApp, PHPFCGIDApp):
+    name = 'wordpress-fcgid'
+    php_execution = PHPAppType.FCGID
+    verbose_name = "WordPress (FCGID)"
+    serializer = type('WordPressFCGIDSerializer',
+            (WordPressAbstractAppSerializer, PHPFCGIDAppSerializer), {})
+    change_form = type('WordPressFCGIDForm',
+            (WordPressAbstractAppForm, PHPFCGIDAppForm), {})
--- a/orchestra/apps/websites/backends/apache.py
+++ b/orchestra/apps/websites/backends/apache.py
@ -1,6 +1,6 @@
-import textwrap
 import os
 import re
+import textwrap

 from django.template import Template, Context
 from django.utils.translation import ugettext_lazy as _
--- a/orchestra/plugins/options.py
+++ b/orchestra/plugins/options.py
@ -8,6 +8,10 @@ class Plugin(object):
    icon = None
    change_readonly_fileds = ()
    
+    def __init__(self, instance=None):
+        # Related model instance of this plugin
+        self.instance = instance
+    
    @classmethod
    def get_name(cls):
        return getattr(cls, 'name', cls.__name__)