Task notification plugin

app/models/task.py

@@ -812,6 +812,11 @@ def callback(progress):
                         else:
                             # FAILED, CANCELED
                             self.save()
+
+                            if self.status == status_codes.FAILED:
+                                from app.plugins import signals as plugin_signals
+                                plugin_signals.task_failed.send_robust(sender=self.__class__, task_id=self.id)
+
                     else:
                         # Still waiting...
                         self.save()

app/plugins/functions.py

@@ -273,7 +273,7 @@ def get_plugin_by_name(name, only_active=True, refresh_cache_if_none=False):
     else:
         return res
 
-def get_current_plugin():
+def get_current_plugin(only_active=False):
     """
     When called from a python module inside a plugin's directory,
     it returns the plugin that this python module belongs to
@@ -289,7 +289,7 @@ def get_current_plugin():
         parts = relp.split(os.sep)
         if len(parts) > 0:
             plugin_name = parts[0]
-            return get_plugin_by_name(plugin_name, only_active=False)
+            return get_plugin_by_name(plugin_name, only_active=only_active)
 
     return None
 

app/plugins/signals.py

@@ -3,5 +3,6 @@
 task_completed = django.dispatch.Signal(providing_args=["task_id"])
 task_removing = django.dispatch.Signal(providing_args=["task_id"])
 task_removed = django.dispatch.Signal(providing_args=["task_id"])
+task_failed = django.dispatch.Signal(providing_args=["task_id"])
 
 processing_node_removed = django.dispatch.Signal(providing_args=["processing_node_id"])

coreplugins/tasknotification/.gitignore

@@ -0,0 +1 @@
+.conf

coreplugins/tasknotification/__init__.py

@@ -0,0 +1,2 @@
+from .plugin import *
+from . import signals

coreplugins/tasknotification/config.py

@@ -0,0 +1,40 @@
+import os
+import configparser
+
+script_dir = os.path.dirname(os.path.abspath(__file__))
+
+def load():
+  config = configparser.ConfigParser()
+  config.read(f"{script_dir}/.conf")
+  smtp_configuration = {
+    'smtp_server': config.get('SETTINGS', 'smtp_server', fallback=""),
+    'smtp_port': config.getint('SETTINGS', 'smtp_port', fallback=587),
+    'smtp_username': config.get('SETTINGS', 'smtp_username', fallback=""),
+    'smtp_password': config.get('SETTINGS', 'smtp_password', fallback=""),
+    'smtp_use_tls': config.getboolean('SETTINGS', 'smtp_use_tls', fallback=False),
+    'smtp_from_address': config.get('SETTINGS', 'smtp_from_address', fallback=""),
+    'smtp_to_address': config.get('SETTINGS', 'smtp_to_address', fallback=""),
+    'notification_app_name': config.get('SETTINGS', 'notification_app_name', fallback=""),
+    'notify_task_completed': config.getboolean('SETTINGS', 'notify_task_completed', fallback=False),
+    'notify_task_failed': config.getboolean('SETTINGS', 'notify_task_failed', fallback=False),
+    'notify_task_removed': config.getboolean('SETTINGS', 'notify_task_removed', fallback=False)
+  }
+  return smtp_configuration
+
+def save(data : dict):
+  config = configparser.ConfigParser()
+  config['SETTINGS'] = {
+      'smtp_server': str(data.get('smtp_server')),
+      'smtp_port': str(data.get('smtp_port')),
+      'smtp_username': str(data.get('smtp_username')),
+      'smtp_password': str(data.get('smtp_password')),
+      'smtp_use_tls': str(data.get('smtp_use_tls')),
+      'smtp_from_address': str(data.get('smtp_from_address')),
+      'smtp_to_address': str(data.get('smtp_to_address')),
+      'notification_app_name': str(data.get('notification_app_name')),
+      'notify_task_completed': str(data.get('notify_task_completed')),
+      'notify_task_failed': str(data.get('notify_task_failed')),
+      'notify_task_removed': str(data.get('notify_task_removed'))
+  }
+  with open(f"{script_dir}/.conf", 'w') as configFile:
+      config.write(configFile)

coreplugins/tasknotification/email.py

@@ -0,0 +1,29 @@
+from django.core.mail import send_mail
+from django.core.mail.backends.smtp import EmailBackend
+from . import config
+
+
+def send(subject : str, message : str, smtp_config : dict = None):
+
+  if not smtp_config:
+    smtp_config = config.load()
+
+  email_backend = EmailBackend(
+      smtp_config.get('smtp_server'), 
+      smtp_config.get('smtp_port'), 
+      smtp_config.get('smtp_username'), 
+      smtp_config.get('smtp_password'),
+      smtp_config.get('smtp_use_tls'),
+      timeout=10
+  )
+
+  result = send_mail(
+      subject,
+      message,
+      smtp_config.get('smtp_from_address'),
+      [smtp_config.get('smtp_to_address')],
+      connection=email_backend,
+      auth_user = smtp_config.get('smtp_username'),
+      auth_password = smtp_config.get('smtp_password'),
+      fail_silently = False
+  )

coreplugins/tasknotification/manifest.json

@@ -0,0 +1,17 @@
+{
+	"name": "Task Notification",
+	"webodmMinVersion": "0.6.2",
+	"description": "Get notified when a task has finished processing, has been removed or has failed",
+	"version": "0.1.0",
+	"author": "Ronald W. Machado",
+	"email": "[email protected]",
+	"repository": "https://github.com/OpenDroneMap/WebODM",
+	"tags": [
+		"notification",
+		"email",
+		"smtp"
+	],
+	"homepage": "https://github.com/OpenDroneMap/WebODM",
+	"experimental": false,
+	"deprecated": false
+}

coreplugins/tasknotification/plugin.py

@@ -0,0 +1,114 @@
+from app.plugins import PluginBase, Menu, MountPoint
+from app.models import Setting
+from django.utils.translation import gettext as _
+from django.shortcuts import render
+from django.contrib import messages
+from django.contrib.auth.decorators import login_required
+from django import forms
+from smtplib import SMTPAuthenticationError, SMTPConnectError, SMTPDataError
+from . import email
+from . import config
+
+class ConfigurationForm(forms.Form):
+    notification_app_name = forms.CharField(
+        label='App name',
+        max_length=100,
+        required=True,
+    )
+    smtp_to_address = forms.EmailField(
+        label='Send Notification to Address',
+        max_length=100,
+        required=True
+    )
+    smtp_from_address = forms.EmailField(
+        label='From Address',
+        max_length=100,
+        required=True
+    )
+    smtp_server = forms.CharField(
+        label='SMTP Server',
+        max_length=100,
+        required=True
+    )
+    smtp_port = forms.IntegerField(
+        label='Port',
+        required=True
+    )
+    smtp_username = forms.CharField(
+        label='Username',
+        max_length=100,
+        required=True
+    )
+    smtp_password = forms.CharField(
+        label='Password',
+        max_length=100,
+        required=True
+    )
+    smtp_use_tls = forms.BooleanField(
+        label='Use Transport Layer Security (TLS)',
+        required=False,
+    )
+
+    notify_task_completed = forms.BooleanField(
+        label='Notify Task Completed',
+        required=False,
+    )
+    notify_task_failed = forms.BooleanField(
+        label='Notify Task Failed',
+        required=False,
+    )
+    notify_task_removed = forms.BooleanField(
+        label='Notify Task Removed',
+        required=False,
+    )
+
+    def test_settings(self, request):
+        try:
+            settings = Setting.objects.first()
+            email.send(f'{self.cleaned_data["notification_app_name"]} - Testing Notification', 'Hi, just testing if notification is working', self.cleaned_data)
+            messages.success(request, f"Email sent successfully, check your inbox at {self.cleaned_data.get('smtp_to_address')}")
+        except SMTPAuthenticationError as e:
+            messages.error(request, 'Invalid SMTP username or password')
+        except SMTPConnectError as e:
+            messages.error(request, 'Could not connect to the SMTP server')
+        except SMTPDataError as e:
+            messages.error(request, 'Error sending email. Please try again later')
+        except Exception as e:
+            messages.error(request, f'An error occured: {e}')
+
+    def save_settings(self):
+        config.save(self.cleaned_data)
+
+class Plugin(PluginBase):
+    def main_menu(self):
+        return [Menu(_("Task Notification"), self.public_url(""), "fa fa-envelope fa-fw")]
+
+    def include_css_files(self):
+        return ['style.css']
+
+    def app_mount_points(self):
+
+        @login_required
+        def index(request):
+            if request.method == "POST":
+
+                form = ConfigurationForm(request.POST)
+                test_configuration = request.POST.get("test_configuration")
+                if form.is_valid() and test_configuration:
+                    form.test_settings(request)
+                elif form.is_valid() and not test_configuration:
+                    form.save_settings()
+                    messages.success(request, "Notification settings applied successfully!")
+            else:
+                config_data = config.load()
+
+                # notification_app_name initial value should be whatever is defined in the settings
+                settings = Setting.objects.first()
+                config_data['notification_app_name'] = config_data['notification_app_name'] or settings.app_name
+                form = ConfigurationForm(initial=config_data)
+
+            return render(request, self.template_path('index.html'), {'form' : form, 'title' : 'Task Notification'})
+
+        return [
+            MountPoint('$', index),
+        ]

coreplugins/tasknotification/public/style.css

@@ -0,0 +1,11 @@
+.errorlist {
+  color: red;
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.errorlist li {
+  margin: 0;
+  padding: 0;
+}

coreplugins/tasknotification/signals.py

@@ -0,0 +1,98 @@
+import logging
+from django.dispatch import receiver
+from django.core.mail import send_mail
+from app.plugins.signals import task_completed, task_failed, task_removed
+from app.plugins.functions import get_current_plugin
+from . import email as notification
+from . import config
+from app.models import Task, Setting
+
+logger = logging.getLogger('app.logger')
+
+@receiver(task_completed)
+def handle_task_completed(sender, task_id, **kwargs):
+    if get_current_plugin(only_active=True) is None:
+        return
+
+    logger.info("TaskNotification: Task Completed")
+
+    config_data = config.load()
+    if config_data.get("notify_task_completed") == True:
+        task = Task.objects.get(id=task_id)
+        setting = Setting.objects.first()
+        notification_app_name = config_data['notification_app_name'] or settings.app_name
+
+        console_output = reverse_output(task.console_output)
+        notification.send(
+            f"{notification_app_name} - {task.project.name} Task Completed", 
+            f"{task.project.name}\n{task.name} Completed\nProcessing time:{hours_minutes_secs(task.processing_time)}\n\nConsole Output:{console_output}",
+            config_data
+        )
+
+@receiver(task_removed)
+def handle_task_removed(sender, task_id, **kwargs):
+    if get_current_plugin(only_active=True) is None:
+        return
+
+    logger.info("TaskNotification: Task Removed")
+
+    config_data = config.load()
+    if config_data.get("notify_task_removed") == True:
+        task = Task.objects.get(id=task_id)
+        setting = Setting.objects.first()
+        notification_app_name = config_data['notification_app_name'] or settings.app_name
+        console_output = reverse_output(task.console_output)
+        notification.send(
+            f"{notification_app_name} - {task.project.name} Task removed", 
+            f"{task.project.name}\n{task.name} was removed\nProcessing time:{hours_minutes_secs(task.processing_time)}\n\nConsole Output:{console_output}",
+            config_data
+        )
+
+@receiver(task_failed)
+def handle_task_failed(sender, task_id, **kwargs):
+    if get_current_plugin(only_active=True) is None:
+        return
+
+    logger.info("TaskNotification: Task Failed")
+
+    config_data = config.load()
+    if config_data.get("notify_task_failed") == True:
+        task = Task.objects.get(id=task_id)
+        setting = Setting.objects.first()
+        notification_app_name = config_data['notification_app_name'] or settings.app_name
+        console_output = reverse_output(task.console_output)
+        notification.send(
+            f"{notification_app_name} - {task.project.name} Task Failed", 
+            f"{task.project.name}\n{task.name} Failed with error: {task.last_error}\nProcessing time:{hours_minutes_secs(task.processing_time)}\n\nConsole Output:{console_output}",
+            config_data
+        )
+
+def hours_minutes_secs(milliseconds):
+    if milliseconds == 0 or milliseconds == -1:
+        return "-- : -- : --"
+
+    ch = 60 * 60 * 1000
+    cm = 60 * 1000
+    h = milliseconds // ch
+    m = (milliseconds - h * ch) // cm
+    s = round((milliseconds - h * ch - m * cm) / 1000)
+    pad = lambda n: '0' + str(n) if n < 10 else str(n)
+
+    if s == 60:
+        m += 1
+        s = 0
+    if m == 60:
+        h += 1
+        m = 0
+
+    return ':'.join([pad(h), pad(m), pad(s)])
+
+def reverse_output(output_string):
+    # Split the output string into lines, then reverse the order
+    lines = output_string.split('\n')
+    lines.reverse()
+
+    # Join the reversed lines back into a single string with newlines
+    reversed_string = '\n'.join(lines)
+
+    return reversed_string