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Package

nautobot_circuit_maintenance

Init for Circuit Maintenance app.

CircuitMaintenanceConfig

Bases: NautobotAppConfig

App configuration for the Circuit Maintenance app.

Source code in nautobot_circuit_maintenance/__init__.py 
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class CircuitMaintenanceConfig(NautobotAppConfig):
    """App configuration for the Circuit Maintenance app."""

    name = "nautobot_circuit_maintenance"
    verbose_name = "Circuit Maintenance Management"
    version = __version__
    author = "Network to Code, LLC"
    author_email = "opensource@networktocode.com"
    description = "Nautobot App that automatically manages network circuit maintenance notifications. Dynamically reads email inboxes (or APIs) and updates Nautobot mapping circuit maintenances to devices."
    base_url = "circuit-maintenance"
    min_version = "2.0.0"
    max_version = "2.99"
    required_settings = []
    default_settings = {
        "raw_notification_initial_days_since": 7,
        "raw_notification_size": 8192,
        "dashboard_n_days": 30,
        "overlap_job_exclude_no_impact": False,
    }
    caching_config = {}
    home_view_name = "plugins:nautobot_circuit_maintenance:circuitmaintenance_overview"

    def ready(self):
        super().ready()
        post_migrate.connect(custom_fields_extension, sender=self)
        post_migrate.connect(import_notification_sources, sender=self)

        # App metrics are disabled by default
        if settings.PLUGINS_CONFIG.get("nautobot_circuit_maintenance", {}).get("metrics", {}).get("enable", False):
            # pylint: disable=import-outside-toplevel
            from nautobot_capacity_metrics import register_metric_func
            from .metrics_app import metric_circuit_operational

            register_metric_func(metric_circuit_operational)

custom_fields_extension(sender, *, apps=global_apps, **kwargs)

Add extended custom fields.

Source code in nautobot_circuit_maintenance/__init__.py 
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def custom_fields_extension(sender, *, apps=global_apps, **kwargs):  # pylint: disable=unused-argument
    """Add extended custom fields."""
    # pylint: disable=invalid-name
    ContentType = apps.get_model("contenttypes", "ContentType")
    Provider = apps.get_model("circuits", "Provider")
    CustomField = apps.get_model("extras", "CustomField")
    # pylint: disable=import-outside-toplevel
    from nautobot.extras.choices import CustomFieldTypeChoices

    for provider_cf_dict in [
        {
            "key": "emails_circuit_maintenances",
            "type": CustomFieldTypeChoices.TYPE_TEXT,
            "label": "Emails for Circuit Maintenance app.",
        },
        {
            "key": "provider_parser_circuit_maintenances",
            "type": CustomFieldTypeChoices.TYPE_TEXT,
            "label": "Provider Parser for Circuit Maintenance app.",
        },
    ]:
        defaults = {**provider_cf_dict}
        key = defaults.pop("key")
        field, _ = CustomField.objects.get_or_create(key=key, defaults=defaults)
        field.content_types.set([ContentType.objects.get_for_model(Provider)])

import_notification_sources(sender, *, apps=global_apps, **kwargs)

Import Notification Sources from Nautobot_configuration.py.

This is a temporary solution until a secrets backend is implemented. For now, we create the Notification Sources in the DB but the secrets are fetched via ENV.

Source code in nautobot_circuit_maintenance/__init__.py 
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def import_notification_sources(sender, *, apps=global_apps, **kwargs):  # pylint: disable=unused-argument
    """Import Notification Sources from Nautobot_configuration.py.

    This is a temporary solution until a secrets backend is implemented.
    For now, we create the Notification Sources in the DB but the secrets are fetched via ENV.
    """
    # pylint: disable=invalid-name
    Provider = apps.get_model("circuits", "Provider")
    NotificationSource = apps.get_model("nautobot_circuit_maintenance", "NotificationSource")

    desired_notification_sources_names = []
    for notification_source in settings.PLUGINS_CONFIG.get("nautobot_circuit_maintenance", {}).get(
        "notification_sources", []
    ):
        instance, _ = NotificationSource.objects.update_or_create(
            name=notification_source["name"],
            defaults={
                "attach_all_providers": notification_source.get("attach_all_providers", False),
            },
        )

        desired_notification_sources_names.append(notification_source["name"])

        if instance.attach_all_providers:
            for provider in Provider.objects.all():
                instance.providers.add(provider)

    # We remove old Notification Sources that could be in Nautobot but removed from configuration
    NotificationSource.objects.exclude(name__in=desired_notification_sources_names).delete()