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Iliyan Angelov
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ETB-API/monitoring/serializers.py
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ETB-API/monitoring/serializers.py
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"""
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Serializers for monitoring models
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"""
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from rest_framework import serializers
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from monitoring.models import (
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MonitoringTarget, HealthCheck, SystemMetric, MetricMeasurement,
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AlertRule, Alert, MonitoringDashboard, SystemStatus
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)
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class MonitoringTargetSerializer(serializers.ModelSerializer):
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"""Serializer for MonitoringTarget model"""
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last_status_display = serializers.CharField(source='get_last_status_display', read_only=True)
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target_type_display = serializers.CharField(source='get_target_type_display', read_only=True)
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class Meta:
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model = MonitoringTarget
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fields = [
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'id', 'name', 'description', 'target_type', 'target_type_display',
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'endpoint_url', 'connection_config', 'check_interval_seconds',
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'timeout_seconds', 'retry_count', 'health_check_enabled',
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'health_check_endpoint', 'expected_status_codes', 'status',
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'last_checked', 'last_status', 'last_status_display',
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'related_module', 'created_by', 'created_at', 'updated_at'
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]
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read_only_fields = ['id', 'created_at', 'updated_at', 'last_checked']
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class HealthCheckSerializer(serializers.ModelSerializer):
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"""Serializer for HealthCheck model"""
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target_name = serializers.CharField(source='target.name', read_only=True)
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status_display = serializers.CharField(source='get_status_display', read_only=True)
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check_type_display = serializers.CharField(source='get_check_type_display', read_only=True)
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class Meta:
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model = HealthCheck
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fields = [
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'id', 'target', 'target_name', 'check_type', 'check_type_display',
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'status', 'status_display', 'response_time_ms', 'status_code',
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'response_body', 'error_message', 'cpu_usage_percent',
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'memory_usage_percent', 'disk_usage_percent', 'checked_at'
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]
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read_only_fields = ['id', 'checked_at']
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class SystemMetricSerializer(serializers.ModelSerializer):
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"""Serializer for SystemMetric model"""
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metric_type_display = serializers.CharField(source='get_metric_type_display', read_only=True)
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category_display = serializers.CharField(source='get_category_display', read_only=True)
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aggregation_method_display = serializers.CharField(source='get_aggregation_method_display', read_only=True)
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class Meta:
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model = SystemMetric
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fields = [
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'id', 'name', 'description', 'metric_type', 'metric_type_display',
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'category', 'category_display', 'unit', 'aggregation_method',
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'aggregation_method_display', 'collection_interval_seconds',
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'retention_days', 'warning_threshold', 'critical_threshold',
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'is_active', 'is_system_metric', 'related_module',
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'created_by', 'created_at', 'updated_at'
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]
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read_only_fields = ['id', 'created_at', 'updated_at']
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class MetricMeasurementSerializer(serializers.ModelSerializer):
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"""Serializer for MetricMeasurement model"""
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metric_name = serializers.CharField(source='metric.name', read_only=True)
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metric_unit = serializers.CharField(source='metric.unit', read_only=True)
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class Meta:
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model = MetricMeasurement
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fields = [
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'id', 'metric', 'metric_name', 'metric_unit', 'value',
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'timestamp', 'tags', 'metadata'
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]
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read_only_fields = ['id', 'timestamp']
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class AlertRuleSerializer(serializers.ModelSerializer):
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"""Serializer for AlertRule model"""
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alert_type_display = serializers.CharField(source='get_alert_type_display', read_only=True)
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severity_display = serializers.CharField(source='get_severity_display', read_only=True)
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status_display = serializers.CharField(source='get_status_display', read_only=True)
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metric_name = serializers.CharField(source='metric.name', read_only=True)
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target_name = serializers.CharField(source='target.name', read_only=True)
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class Meta:
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model = AlertRule
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fields = [
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'id', 'name', 'description', 'alert_type', 'alert_type_display',
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'severity', 'severity_display', 'condition', 'evaluation_interval_seconds',
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'metric', 'metric_name', 'target', 'target_name',
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'notification_channels', 'notification_template', 'status',
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'status_display', 'is_enabled', 'created_by', 'created_at', 'updated_at'
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]
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read_only_fields = ['id', 'created_at', 'updated_at']
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class AlertSerializer(serializers.ModelSerializer):
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"""Serializer for Alert model"""
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rule_name = serializers.CharField(source='rule.name', read_only=True)
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severity_display = serializers.CharField(source='get_severity_display', read_only=True)
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status_display = serializers.CharField(source='get_status_display', read_only=True)
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acknowledged_by_username = serializers.CharField(source='acknowledged_by.username', read_only=True)
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resolved_by_username = serializers.CharField(source='resolved_by.username', read_only=True)
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class Meta:
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model = Alert
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fields = [
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'id', 'rule', 'rule_name', 'title', 'description', 'severity',
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'severity_display', 'status', 'status_display', 'triggered_value',
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'threshold_value', 'context_data', 'triggered_at', 'acknowledged_at',
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'resolved_at', 'acknowledged_by', 'acknowledged_by_username',
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'resolved_by', 'resolved_by_username'
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]
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read_only_fields = ['id', 'triggered_at']
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class MonitoringDashboardSerializer(serializers.ModelSerializer):
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"""Serializer for MonitoringDashboard model"""
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dashboard_type_display = serializers.CharField(source='get_dashboard_type_display', read_only=True)
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created_by_username = serializers.CharField(source='created_by.username', read_only=True)
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class Meta:
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model = MonitoringDashboard
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fields = [
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'id', 'name', 'description', 'dashboard_type', 'dashboard_type_display',
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'layout_config', 'widget_configs', 'is_public', 'allowed_users',
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'allowed_roles', 'auto_refresh_enabled', 'refresh_interval_seconds',
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'is_active', 'created_by', 'created_by_username', 'created_at', 'updated_at'
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]
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read_only_fields = ['id', 'created_at', 'updated_at']
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class SystemStatusSerializer(serializers.ModelSerializer):
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"""Serializer for SystemStatus model"""
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status_display = serializers.CharField(source='get_status_display', read_only=True)
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created_by_username = serializers.CharField(source='created_by.username', read_only=True)
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is_resolved = serializers.BooleanField(read_only=True)
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class Meta:
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model = SystemStatus
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fields = [
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'id', 'status', 'status_display', 'message', 'affected_services',
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'estimated_resolution', 'started_at', 'updated_at', 'resolved_at',
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'created_by', 'created_by_username', 'is_resolved'
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]
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read_only_fields = ['id', 'started_at', 'updated_at']
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class HealthCheckSummarySerializer(serializers.Serializer):
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"""Serializer for health check summary"""
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overall_status = serializers.CharField()
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total_targets = serializers.IntegerField()
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healthy_targets = serializers.IntegerField()
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warning_targets = serializers.IntegerField()
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critical_targets = serializers.IntegerField()
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health_percentage = serializers.FloatField()
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last_updated = serializers.DateTimeField()
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class MetricTrendSerializer(serializers.Serializer):
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"""Serializer for metric trends"""
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metric_name = serializers.CharField()
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period_days = serializers.IntegerField()
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daily_data = serializers.ListField()
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trend = serializers.CharField()
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class AlertSummarySerializer(serializers.Serializer):
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"""Serializer for alert summary"""
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total_alerts = serializers.IntegerField()
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critical_alerts = serializers.IntegerField()
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high_alerts = serializers.IntegerField()
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medium_alerts = serializers.IntegerField()
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low_alerts = serializers.IntegerField()
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acknowledged_alerts = serializers.IntegerField()
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resolved_alerts = serializers.IntegerField()
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class SystemOverviewSerializer(serializers.Serializer):
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"""Serializer for system overview"""
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system_status = SystemStatusSerializer()
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health_summary = HealthCheckSummarySerializer()
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alert_summary = AlertSummarySerializer()
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recent_incidents = serializers.ListField()
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top_metrics = serializers.ListField()
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system_resources = serializers.DictField()
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