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@@ -1,5 +1,5 @@
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"""
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Serviço de análise histórica usando métricas do Prometheus
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Historical analysis service using Prometheus metrics
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"""
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import logging
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import asyncio
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@@ -14,16 +14,16 @@ from app.core.config import settings
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logger = logging.getLogger(__name__)
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class HistoricalAnalysisService:
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"""Serviço para análise histórica de recursos usando Prometheus"""
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"""Service for historical resource analysis using Prometheus"""
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def __init__(self):
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self.prometheus_url = settings.prometheus_url
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self.time_ranges = {
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'1h': 3600, # 1 hora
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'6h': 21600, # 6 horas
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'24h': 86400, # 24 horas
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'7d': 604800, # 7 dias
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'30d': 2592000 # 30 dias
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'1h': 3600, # 1 hour
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'6h': 21600, # 6 hours
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'24h': 86400, # 24 hours
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'7d': 604800, # 7 days
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'30d': 2592000 # 30 days
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}
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async def analyze_pod_historical_usage(
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@@ -31,7 +31,7 @@ class HistoricalAnalysisService:
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pod: PodResource,
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time_range: str = '24h'
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) -> List[ResourceValidation]:
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"""Analisar uso histórico de um pod"""
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"""Analyze historical usage of a pod"""
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validations = []
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if time_range not in self.time_ranges:
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@@ -41,13 +41,13 @@ class HistoricalAnalysisService:
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start_time = end_time - timedelta(seconds=self.time_ranges[time_range])
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try:
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# Analisar CPU
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# Analyze CPU
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cpu_analysis = await self._analyze_cpu_usage(
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pod, start_time, end_time, time_range
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)
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validations.extend(cpu_analysis)
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# Analisar memória
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# Analyze memory
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memory_analysis = await self._analyze_memory_usage(
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pod, start_time, end_time, time_range
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)
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@@ -74,14 +74,14 @@ class HistoricalAnalysisService:
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end_time: datetime,
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time_range: str
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) -> List[ResourceValidation]:
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"""Analisar uso histórico de CPU"""
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"""Analyze historical CPU usage"""
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validations = []
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for container in pod.containers:
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container_name = container["name"]
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try:
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# Query para CPU usage rate
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# Query for CPU usage rate
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cpu_query = f'''
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rate(container_cpu_usage_seconds_total{{
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pod="{pod.name}",
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@@ -92,7 +92,7 @@ class HistoricalAnalysisService:
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}}[{time_range}])
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'''
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# Query para CPU requests
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# Query for CPU requests
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cpu_requests_query = f'''
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kube_pod_container_resource_requests{{
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pod="{pod.name}",
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@@ -101,7 +101,7 @@ class HistoricalAnalysisService:
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}}
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'''
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# Query para CPU limits
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# Query for CPU limits
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cpu_limits_query = f'''
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kube_pod_container_resource_limits{{
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pod="{pod.name}",
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@@ -110,7 +110,7 @@ class HistoricalAnalysisService:
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}}
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'''
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# Executar queries
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# Execute queries
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cpu_usage = await self._query_prometheus(cpu_query, start_time, end_time)
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cpu_requests = await self._query_prometheus(cpu_requests_query, start_time, end_time)
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cpu_limits = await self._query_prometheus(cpu_limits_query, start_time, end_time)
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@@ -134,14 +134,14 @@ class HistoricalAnalysisService:
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end_time: datetime,
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time_range: str
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) -> List[ResourceValidation]:
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"""Analisar uso histórico de memória"""
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"""Analyze historical memory usage"""
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validations = []
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for container in pod.containers:
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container_name = container["name"]
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try:
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# Query para memória usage
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# Query for memory usage
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memory_query = f'''
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container_memory_working_set_bytes{{
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pod="{pod.name}",
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@@ -152,7 +152,7 @@ class HistoricalAnalysisService:
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}}
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'''
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# Query para memória requests
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# Query for memory requests
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memory_requests_query = f'''
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kube_pod_container_resource_requests{{
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pod="{pod.name}",
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@@ -161,7 +161,7 @@ class HistoricalAnalysisService:
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}}
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'''
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# Query para memória limits
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# Query for memory limits
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memory_limits_query = f'''
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kube_pod_container_resource_limits{{
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pod="{pod.name}",
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@@ -170,7 +170,7 @@ class HistoricalAnalysisService:
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}}
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'''
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# Executar queries
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# Execute queries
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memory_usage = await self._query_prometheus(memory_query, start_time, end_time)
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memory_requests = await self._query_prometheus(memory_requests_query, start_time, end_time)
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memory_limits = await self._query_prometheus(memory_limits_query, start_time, end_time)
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@@ -197,22 +197,22 @@ class HistoricalAnalysisService:
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limits_data: List[Dict],
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time_range: str
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) -> List[ResourceValidation]:
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"""Analisar métricas de CPU"""
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"""Analyze CPU metrics"""
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validations = []
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if not usage_data or not requests_data:
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return validations
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# Calcular estatísticas de uso
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# Calculate usage statistics
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usage_values = [float(point[1]) for point in usage_data if point[1] != 'NaN']
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if not usage_values:
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return validations
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# Valores atuais de requests/limits
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# Current values of requests/limits
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current_requests = float(requests_data[0][1]) if requests_data else 0
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current_limits = float(limits_data[0][1]) if limits_data else 0
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# Estatísticas de uso
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# Usage statistics
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avg_usage = sum(usage_values) / len(usage_values)
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max_usage = max(usage_values)
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p95_usage = sorted(usage_values)[int(len(usage_values) * 0.95)]
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@@ -282,28 +282,28 @@ class HistoricalAnalysisService:
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limits_data: List[Dict],
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time_range: str
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) -> List[ResourceValidation]:
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"""Analisar métricas de memória"""
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"""Analyze memory metrics"""
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validations = []
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if not usage_data or not requests_data:
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return validations
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# Calcular estatísticas de uso
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# Calculate usage statistics
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usage_values = [float(point[1]) for point in usage_data if point[1] != 'NaN']
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if not usage_values:
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return validations
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# Valores atuais de requests/limits (em bytes)
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# Current values of requests/limits (in bytes)
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current_requests = float(requests_data[0][1]) if requests_data else 0
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current_limits = float(limits_data[0][1]) if limits_data else 0
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# Estatísticas de uso
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# Usage statistics
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avg_usage = sum(usage_values) / len(usage_values)
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max_usage = max(usage_values)
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p95_usage = sorted(usage_values)[int(len(usage_values) * 0.95)]
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p99_usage = sorted(usage_values)[int(len(usage_values) * 0.99)]
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# Converter para MiB para melhor legibilidade
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# Convert to MiB for better readability
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def bytes_to_mib(bytes_value):
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return bytes_value / (1024 * 1024)
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@@ -362,14 +362,14 @@ class HistoricalAnalysisService:
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return validations
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async def _query_prometheus(self, query: str, start_time: datetime, end_time: datetime) -> List[Dict]:
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"""Executar query no Prometheus"""
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"""Execute query in Prometheus"""
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try:
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async with aiohttp.ClientSession() as session:
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params = {
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'query': query,
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'start': start_time.timestamp(),
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'end': end_time.timestamp(),
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'step': '60s' # 1 minuto de resolução
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'step': '60s' # 1 minute resolution
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}
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async with session.get(
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@@ -389,9 +389,9 @@ class HistoricalAnalysisService:
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return []
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async def get_cluster_historical_summary(self, time_range: str = '24h') -> Dict[str, Any]:
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"""Obter resumo histórico do cluster"""
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"""Get cluster historical summary"""
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try:
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# Query para CPU total do cluster
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# Query for total cluster CPU
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cpu_query = f'''
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sum(rate(container_cpu_usage_seconds_total{{
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container!="POD",
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@@ -399,7 +399,7 @@ class HistoricalAnalysisService:
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}}[{time_range}]))
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'''
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# Query para memória total do cluster
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# Query for total cluster memory
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memory_query = f'''
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sum(container_memory_working_set_bytes{{
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container!="POD",
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@@ -407,7 +407,7 @@ class HistoricalAnalysisService:
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}})
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'''
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# Query para requests totais
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# Query for total requests
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cpu_requests_query = f'''
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sum(kube_pod_container_resource_requests{{resource="cpu"}})
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'''
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@@ -416,7 +416,7 @@ class HistoricalAnalysisService:
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sum(kube_pod_container_resource_requests{{resource="memory"}})
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'''
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# Executar queries
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# Execute queries
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cpu_usage = await self._query_prometheus(cpu_query,
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datetime.now() - timedelta(seconds=self.time_ranges[time_range]),
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datetime.now())
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