Improved gran permissions support for systemusers

TODO.md

@@ -346,10 +346,12 @@ TODO mount the filesystem with "nosuid" option
 
 # Deprecate restart/start/stop services (do touch wsgi.py and fuck celery)
 # orchestrate async stdout stderr (inspired on pangea managemengt commands)
-# orchestra-beat support for uwsgi cron
-
-# message.log if len() == 1: return changeform
+orchestra-beat support for uwsgi cron
 
 make django admin taskstate uncollapse fucking traceback, ( if exists ?)
 
 # form for custom message on admin save "comment & save"?
+
+# backend.context and backned.instance provided when an action is called? like forms.cleaned_data: do it on manager.generation(backend.context = backend.get_context()) or in backend.__getattr__ ? also backend.head,tail,content switching on manager.generate()?
+
+# replace return_code by exit_code everywhere

orchestra/contrib/mailer/README.md

@@ -1,4 +1,4 @@
-This is a simlified clone of [django-mailer](https://github.com/pinax/django-mailer).
+This is a simplified clone of [django-mailer](https://github.com/pinax/django-mailer).
 
 Using `orchestra.contrib.mailer.backends.EmailBackend` as your email backend will have the following effects:
  * E-mails sent with Django's `send_mass_mail()` will be queued and sent by an out-of-band perioic task.

orchestra/contrib/orchestration/__init__.py

@@ -1,3 +1,4 @@
+import collections
 import copy
 
 from .backends import ServiceBackend, ServiceController, replace
@@ -35,19 +36,31 @@ class Operation():
     @classmethod
     def execute(cls, operations, serialize=False, async=None):
         from . import manager
-        scripts, oserialize = manager.generate(operations)
-        return manager.execute(scripts, serialize=(serialize or oserialize), async=async)
+        scripts, backend_serialize = manager.generate(operations)
+        return manager.execute(scripts, serialize=(serialize or backend_serialize), async=async)
     
     @classmethod
-    def execute_action(cls, instance, action):
+    def create_for_action(cls, instances, action):
+        if not isinstance(instances, collections.Iterable):
+            instances = [instances]
+        operations = []
+        for instance in instances:
             backends = ServiceBackend.get_backends(instance=instance, action=action)
-        operations = [cls(backend_cls, instance, action) for backend_cls in backends]
+            for backend_cls in backends:
+                operations.append(
+                    cls(backend_cls, instance, action)
+                )
+        return operations
+    
+    @classmethod
+    def execute_action(cls, instances, action):
+        """ instances can be an object or an iterable for batch processing """
+        operations = cls.create_for_action(instances, action)
         return cls.execute(operations)
     
     def preload_context(self):
         """
-        Heuristic
-        Running get_context will prevent most of related objects do not exist errors
+        Heuristic: Running get_context will prevent most of related objects do not exist errors
         """
         if self.action == self.DELETE:
             if hasattr(self.backend, 'get_context'):

orchestra/contrib/orchestration/management/commands/orchestrate.py

@@ -1,3 +1,4 @@
+import time
 from django.core.management.base import BaseCommand, CommandError
 from django.apps import apps
 
@@ -96,9 +97,22 @@ class Command(BaseCommand):
                     return
                 break
         if not dry:
-            logs = manager.execute(scripts, serialize=serialize)
-            for log in logs:
-                self.stdout.write(log.stdout)
-                self.stderr.write(log.stderr)
+            logs = manager.execute(scripts, serialize=serialize, async=True)
+            running = list(logs)
+            stdout = 0
+            stderr = 0
+            while running:
+                for log in running:
+                    cstdout = len(log.stdout)
+                    cstderr = len(log.stderr)
+                    if cstdout > stdout:
+                        self.stdout.write(log.stdout[stdout:])
+                        stdout = cstdout
+                    if cstderr > stderr:
+                        self.stderr.write(log.stderr[stderr:])
+                        stderr = cstderr
+                    if log.has_finished:
+                        running.remove(log)
+                    time.sleep(0.1)
             for log in logs:
                 self.stdout.write(' '.join((log.backend, log.state)))

orchestra/contrib/orchestration/manager.py

@@ -123,9 +123,14 @@ def execute(scripts, serialize=False, async=None):
             'async': async,
         }
         log = backend.create_log(*args, **kwargs)
+        # TODO Perform this shit outside of the current transaction in a non-hacky way
+        #t = threading.Thread(target=backend.create_log, args=args, kwargs=kwargs)
+        #t.start()
+        #log = t.join()
+        # End of hack
         kwargs['log'] = log
         task = keep_log(backend.execute, log, operations)
-        logger.debug('%s is going to be executed on %s' % (backend, route.host))
+        logger.debug('%s is going to be executed on %s.' % (backend, route.host))
         if serialize:
             # Execute one backend at a time, no need for threads
             task(*args, **kwargs)
@@ -181,7 +186,7 @@ def collect(instance, action, **kwargs):
                 if update_fields is not None:
                     # TODO remove this, django does not execute post_save if update_fields=[]...
                     # Maybe open a ticket at Djangoproject ?
-                    # "update_fileds=[]" is a convention for explicitly executing backend
+                    # INITIAL INTENTION: "update_fileds=[]" is a convention for explicitly executing backend
                     # i.e. account.disable()
                     if update_fields != []:
                         execute = False

orchestra/contrib/orchestration/models.py

@@ -92,10 +92,15 @@ class BackendLog(models.Model):
     def execution_time(self):
         return (self.updated_at-self.created_at).total_seconds()
     
+    @property
+    def has_finished(self):
+        return self.state not in (self.STARTED, self.RECEIVED)
+    
     def backend_class(self):
         return ServiceBackend.get_backend(self.backend)
     
 
+
 class BackendOperation(models.Model):
     """
     Encapsulates an operation, storing its related object, the action and the backend.

orchestra/contrib/plans/admin.py

@@ -28,7 +28,7 @@ class ContractedPlanAdmin(AccountAdminMixin, admin.ModelAdmin):
     list_display = ('plan', 'account_link')
     list_filter = ('plan__name',)
     list_select_related = ('plan', 'account')
-
+    search_fields = ('account__username', 'plan__name', 'id')
 
 admin.site.register(Plan, PlanAdmin)
 admin.site.register(ContractedPlan, ContractedPlanAdmin)

orchestra/contrib/plans/apps.py

@@ -1,6 +1,6 @@
 from django.apps import AppConfig
 
-from orchestra.core import administration, accounts
+from orchestra.core import administration, accounts, services
 from orchestra.core.translations import ModelTranslation
 
 
@@ -11,5 +11,6 @@ class PlansConfig(AppConfig):
     def ready(self):
         from .models import Plan, ContractedPlan
         accounts.register(ContractedPlan, icon='ContractedPack.png')
+        services.register(ContractedPlan, menu=False, dashboard=False)
         administration.register(Plan, icon='Pack.png')
         ModelTranslation.register(Plan, ('verbose_name',))

orchestra/contrib/plans/models.py

@@ -68,9 +68,11 @@ class RateQuerySet(models.QuerySet):
 class Rate(models.Model):
     STEP_PRICE = 'STEP_PRICE'
     MATCH_PRICE = 'MATCH_PRICE'
+    BEST_PRICE = 'BEST_PRICE'
     RATE_METHODS = {
         STEP_PRICE: rating.step_price,
         MATCH_PRICE: rating.match_price,
+        BEST_PRICE: rating.best_price,
     }
     
     service = models.ForeignKey('services.Service', verbose_name=_("service"),

orchestra/contrib/plans/rating.py

@@ -152,3 +152,9 @@ def match_price(rates, metric):
 match_price.verbose_name = _("Match price")
 match_price.help_text = _("Only <b>the rate</b> with a) inmediate inferior metric and b) lower price is applied. "
                           "Nominal price will be used when initial block is missing.")
+
+
+def best_price(rates, metric):
+    pass
+best_price.verbose_name = _("Best price")
+best_price.help_text = _("Produces the best possible price given all active rating lines.")

orchestra/contrib/services/handlers.py

@@ -49,7 +49,7 @@ class ServiceHandler(plugins.Plugin, metaclass=plugins.PluginMount):
             return
         try:
             bool(getattr(self, method)(obj))
-        except Exception as exception:
+        except Exception as exc:
             raise ValidationError(format_exception(exc))
     
     def validate_match(self, service):
@@ -124,8 +124,8 @@ class ServiceHandler(plugins.Plugin, metaclass=plugins.PluginMount):
             safe_locals = self.get_expression_context(instance)
             try:
                 return eval(self.metric, safe_locals)
-            except Exception as error:
-                raise type(error)("%s on '%s'" %(error, self.service))
+            except Exception as exc:
+                raise type(exc)("%s on '%s'" %(exc, self.service))
     
     def get_order_description(self, instance):
         safe_locals = self.get_expression_context(instance)

orchestra/contrib/systemusers/actions.py

@@ -1,25 +1,56 @@
+import os
+
 from django import forms
 from django.contrib import messages, admin
 from django.core.exceptions import PermissionDenied
+from django.template.response import TemplateResponse
 from django.utils.translation import ungettext, ugettext_lazy as _
 
 from orchestra.admin.decorators import action_with_confirmation
-from orchestra.contrib.orchestration import Operation
+from orchestra.contrib.orchestration.middlewares import OperationsMiddleware
+
+from .forms import GrantPermissionForm
 
 
-class GrantPermissionForm(forms.Form):
-    base_path = forms.ChoiceField(label=_("Grant access to"), choices=(('hola', 'hola'),),
-        help_text=_("User will be granted access to this directory."))
-    path_extension = forms.CharField(label='', required=False)
-    read_only = forms.BooleanField(label=_("Read only"), initial=False, required=False,
-            help_text=_("Designates whether the permissions granted will be read-only or read/write."))
-
-
-@action_with_confirmation(extra_context=dict(form=GrantPermissionForm()))
 def grant_permission(modeladmin, request, queryset):
-    user = queryset.get()
-    log = Operation.execute_action(user, 'grant_permission')
-    # TODO
+    account_id = None
+    for user in queryset:
+        account_id = account_id or user.account_id
+        if user.account_id != account_id:
+            messages.error("Users from the same account should be selected.")
+    user = queryset[0]
+    if request.method == 'POST':
+        form = GrantPermissionForm(user, request.POST)
+        if form.is_valid():
+            cleaned_data = form.cleaned_data
+            to = os.path.join(cleaned_data['base_path'], cleaned_data['path_extension'])
+            ro = cleaned_data['read_only']
+            for user in queryset:
+                user.grant_to = to
+                user.grant_ro = ro
+                OperationsMiddleware.collect('grant_permission', instance=user)
+                context = {
+                    'type': _("read-only") if ro else _("read-write"),
+                    'to': to,
+                }
+                msg = _("Granted %(type)s permissions on %(to)s") % context
+                modeladmin.log_change(request, user, msg)
+            return
+    opts = modeladmin.model._meta
+    app_label = opts.app_label
+    context = {
+        'title': _("Grant permission"),
+        'action_name': _("Grant permission"),
+        'action_value': 'grant_permission',
+        'queryset': queryset,
+        'opts': opts,
+        'obj': user,
+        'app_label': app_label,
+        'action_checkbox_name': admin.helpers.ACTION_CHECKBOX_NAME,
+        'form': GrantPermissionForm(user),
+    }
+    return TemplateResponse(request, 'admin/systemusers/systemuser/grant_permission.html',
+        context, current_app=modeladmin.admin_site.name)
 grant_permission.url_name = 'grant-permission'
 grant_permission.verbose_name = _("Grant permission")
 

orchestra/contrib/systemusers/backends.py

@@ -66,8 +66,16 @@ class UNIXUserBackend(ServiceController):
             self.append("rm -fr %(base_home)s" % context)
     
     def grant_permission(self, user):
+        # TODO
         context = self.get_context(user)
-        # TODO setacl
+        context.update({
+            'to': user.grant_to,
+            'ro': user.grant_ro,
+        })
+        if user.ro:
+            self.append('echo "acl add read permissions for %(user)s to %(to)s"' % context)
+        else:
+            self.append('echo "acl add read-write permissions for %(user)s to %(to)s"' % context)
     
     def get_groups(self, user):
         if user.is_main:

orchestra/contrib/systemusers/forms.py

@@ -1,6 +1,7 @@
 import textwrap
 
 from django import forms
+from django.utils.translation import ngettext, ugettext_lazy as _
 
 from orchestra.forms import UserCreationForm, UserChangeForm
 
@@ -34,6 +35,8 @@ class SystemUserFormMixin(object):
             self.fields['directory'].widget = forms.HiddenInput()
         elif self.instance.pk and (self.instance.get_base_home() == self.instance.home):
             self.fields['directory'].widget = forms.HiddenInput()
+        else:
+            self.fields['directory'].widget = forms.TextInput(attrs={'size':'70'})
         if not self.instance.pk or not self.instance.is_main:
             # Some javascript for hidde home/directory inputs when convinient
             self.fields['shell'].widget.attrs = {
@@ -74,3 +77,23 @@ class SystemUserCreationForm(SystemUserFormMixin, UserCreationForm):
 
 class SystemUserChangeForm(SystemUserFormMixin, UserChangeForm):
     pass
+
+
+class GrantPermissionForm(forms.Form):
+    base_path = forms.ChoiceField(label=_("Grant access to"), choices=(),
+        help_text=_("User will be granted access to this directory."))
+    path_extension = forms.CharField(label=_("Path extension"), required=False, initial='',
+        widget=forms.TextInput(attrs={'size':'70'}), help_text=_("Relative to chosen home."))
+    read_only = forms.BooleanField(label=_("Read only"), initial=False, required=False,
+        help_text=_("Designates whether the permissions granted will be read-only or read/write."))
+    
+    def __init__(self, *args, **kwargs):
+        instance = args[0]
+        super_args = []
+        if len(args) > 1:
+            super_args.append(args[1])
+        super(GrantPermissionForm, self).__init__(*super_args, **kwargs)
+        related_users = type(instance).objects.filter(account=instance.account_id)
+        self.fields['base_path'].choices = (
+            (user.get_base_home(), user.get_base_home()) for user in related_users
+        )

orchestra/contrib/systemusers/templates/admin/systemusers/systemuser/grant_permission.html

@@ -0,0 +1,65 @@
+{% extends "admin/base_site.html" %}
+{% load i18n l10n %}
+{% load url from future %}
+{% load admin_urls static utils %}
+
+{% block extrastyle %}
+{{ block.super }}
+<link rel="stylesheet" type="text/css" href="{% static "admin/css/forms.css" %}" />
+<link rel="stylesheet" type="text/css" href="{% static "orchestra/css/hide-inline-id.css" %}" />
+{% endblock %}
+
+{% block breadcrumbs %}
+<div class="breadcrumbs">
+<a href="{% url 'admin:index' %}">{% trans 'Home' %}</a>
+&rsaquo; <a href="{% url 'admin:app_list' app_label=app_label %}">{{ app_label|capfirst|escape }}</a>
+&rsaquo; <a href="{% url opts|admin_urlname:'changelist' %}">{{ opts.verbose_name_plural|capfirst }}</a>
+{% if obj %}
+&rsaquo; <a href="{% url opts|admin_urlname:'change' obj.pk %}">{{ obj }}</a>
+&rsaquo; {{ action_name }}
+{% elif add %}
+&rsaquo; <a href="../">{% trans "Add" %} {{ opts.verbose_name }}</a>
+&rsaquo; {{ action_name }}
+{% else %}
+&rsaquo; {{ action_name }} multiple objects
+{% endif %}
+</div>
+{% endblock %}
+
+{% block content %}
+  <div>
+    <div style="margin:20px;">
+    Grant permissions to these system users: {% for user in queryset %}{{ user.username }}{% if not forloop.last %},{% endif %}{% endfor %}.
+    <ul>{{ display_objects | unordered_list }}</ul>
+    <form action="" method="post">{% csrf_token %}
+        <fieldset class="module aligned wide">
+        <div class="form-row ">
+            <div class="field-box field-home">
+                {{ form.path_extension.errors }}
+                <label for="{{ form.base_path.id_for_label }}">{{ form.base_path.label }}:</label>
+                {{ form.base_path }}
+                <p class="help">{{ form.base_path.help_text|safe }}</p>
+            </div>
+            <div class="field-box field-home">
+                {{ form.path_extension.errors }}
+                <label for="{{ form.path_extension.id_for_label }}"></label>
+                {{ form.path_extension }}
+                <p class="help">{{ form.path_extension.help_text|safe }}</p>
+            </div>
+        </div>
+        <div class="form-row ">
+            {{ form.read_only }} <label for="{{ form.read_only.id_for_label }}" class="vCheckboxLabel">{{ form.read_only.label }}</label>
+            <p class="help">{{ form.read_only.help_text|safe }}</p>
+        </div>
+        </fieldset>
+    <div>
+    {% for obj in queryset %}
+    <input type="hidden" name="{{ action_checkbox_name }}" value="{{ obj.pk|unlocalize }}" />
+    {% endfor %}
+    <input type="hidden" name="action" value="{{ action_value }}" />
+    <input type="hidden" name="post" value="{{ post_value|default:'generic_confirmation' }}" />
+    <input type="submit" value="{{ submit_value|default:_("Save") }}" />
+    </div>
+    </form>
+{% endblock %}
+