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# Generated by Django 4.2.2 on 2023-07-18 05:00 | ||
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import uuid | ||
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import django.db.models.deletion | ||
from django.db import migrations, models | ||
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class Migration(migrations.Migration): | ||
dependencies = [ | ||
("facility", "0371_metaicd11diagnosis_chapter_and_more"), | ||
] | ||
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operations = [ | ||
migrations.CreateModel( | ||
name="AssetAvailabilityRecord", | ||
fields=[ | ||
( | ||
"id", | ||
models.BigAutoField( | ||
auto_created=True, | ||
primary_key=True, | ||
serialize=False, | ||
verbose_name="ID", | ||
), | ||
), | ||
( | ||
"external_id", | ||
models.UUIDField(db_index=True, default=uuid.uuid4, unique=True), | ||
), | ||
( | ||
"created_date", | ||
models.DateTimeField(auto_now_add=True, db_index=True, null=True), | ||
), | ||
( | ||
"modified_date", | ||
models.DateTimeField(auto_now=True, db_index=True, null=True), | ||
), | ||
("deleted", models.BooleanField(db_index=True, default=False)), | ||
( | ||
"status", | ||
models.CharField( | ||
choices=[ | ||
("Not Monitored", "Not Monitored"), | ||
("Operational", "Operational"), | ||
("Down", "Down"), | ||
("Under Maintenance", "Under Maintenance"), | ||
], | ||
default="Not Monitored", | ||
max_length=20, | ||
), | ||
), | ||
("timestamp", models.DateTimeField()), | ||
( | ||
"asset", | ||
models.ForeignKey( | ||
on_delete=django.db.models.deletion.PROTECT, to="facility.asset" | ||
), | ||
), | ||
], | ||
options={ | ||
"ordering": ["-timestamp"], | ||
"unique_together": {("asset", "timestamp")}, | ||
}, | ||
), | ||
] |
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Original file line number | Diff line number | Diff line change |
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import logging | ||
from datetime import datetime | ||
from typing import Any | ||
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from celery import shared_task | ||
from django.utils import timezone | ||
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from care.facility.models.asset import ( | ||
Asset, | ||
AssetAvailabilityRecord, | ||
AvailabilityStatus, | ||
) | ||
from care.utils.assetintegration.asset_classes import AssetClasses | ||
from care.utils.assetintegration.base import BaseAssetIntegration | ||
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logger = logging.getLogger(__name__) | ||
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@shared_task | ||
def check_asset_status(): | ||
logger.info(f"Checking Asset Status: {timezone.now()}") | ||
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assets = Asset.objects.all() | ||
middleware_status_cache = {} | ||
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for asset in assets: | ||
if not asset.asset_class or not asset.meta.get("local_ip_address", None): | ||
continue | ||
try: | ||
hostname = asset.meta.get( | ||
"middleware_hostname", | ||
asset.current_location.facility.middleware_address, | ||
) | ||
result: Any = {} | ||
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if hostname in middleware_status_cache: | ||
result = middleware_status_cache[hostname] | ||
else: | ||
try: | ||
asset_class: BaseAssetIntegration = AssetClasses[ | ||
asset.asset_class | ||
].value( | ||
{ | ||
**asset.meta, | ||
"middleware_hostname": hostname, | ||
} | ||
) | ||
result = asset_class.api_get(asset_class.get_url("devices/status")) | ||
middleware_status_cache[hostname] = result | ||
except Exception: | ||
logger.exception("Error in Asset Status Check - Fetching Status") | ||
middleware_status_cache[hostname] = None | ||
continue | ||
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if not result: | ||
continue | ||
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new_status = None | ||
for status_record in result: | ||
if asset.meta.get("local_ip_address") in status_record.get( | ||
"status", {} | ||
): | ||
new_status = status_record["status"][ | ||
asset.meta.get("local_ip_address") | ||
] | ||
else: | ||
new_status = "not_monitored" | ||
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last_record = ( | ||
AssetAvailabilityRecord.objects.filter(asset=asset) | ||
.order_by("-timestamp") | ||
.first() | ||
) | ||
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if new_status == "up": | ||
new_status = AvailabilityStatus.OPERATIONAL | ||
elif new_status == "down": | ||
new_status = AvailabilityStatus.DOWN | ||
elif new_status == "maintenance": | ||
new_status = AvailabilityStatus.UNDER_MAINTENANCE | ||
else: | ||
new_status = AvailabilityStatus.NOT_MONITORED | ||
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if not last_record or ( | ||
datetime.fromisoformat(status_record.get("time")) | ||
> last_record.timestamp | ||
and last_record.status != new_status.value | ||
): | ||
AssetAvailabilityRecord.objects.create( | ||
asset=asset, | ||
status=new_status.value, | ||
timestamp=status_record.get("time", timezone.now()), | ||
) | ||
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except Exception: | ||
logger.exception("Error in Asset Status Check") |
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