mirror of
https://github.com/grafana/grafana.git
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363 lines
22 KiB
Go
363 lines
22 KiB
Go
package cloudwatch
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import (
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"encoding/json"
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"sort"
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"strings"
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"sync"
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"time"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/awsutil"
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"github.com/aws/aws-sdk-go/aws/session"
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"github.com/aws/aws-sdk-go/service/cloudwatch"
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"github.com/grafana/grafana/pkg/middleware"
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"github.com/grafana/grafana/pkg/util"
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)
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var metricsMap map[string][]string
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var dimensionsMap map[string][]string
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type CustomMetricsCache struct {
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Expire time.Time
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Cache []string
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}
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var customMetricsMetricsMap map[string]map[string]map[string]*CustomMetricsCache
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var customMetricsDimensionsMap map[string]map[string]map[string]*CustomMetricsCache
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func init() {
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metricsMap = map[string][]string{
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"AWS/ApiGateway": {"4XXError", "5XXError", "CacheHitCount", "CacheMissCount", "Count", "IntegrationLatency", "Latency"},
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"AWS/ApplicationELB": {"ActiveConnectionCount", "ClientTLSNegotiationErrorCount", "HealthyHostCount", "HTTPCode_ELB_4XX_Count", "HTTPCode_ELB_5XX_Count", "HTTPCode_Target_2XX_Count", "HTTPCode_Target_3XX_Count", "HTTPCode_Target_4XX_Count", "HTTPCode_Target_5XX_Count", "NewConnectionCount", "ProcessedBytes", "RejectedConnectionCount", "RequestCount", "TargetConnectionErrorCount", "TargetResponseTime", "TargetTLSNegotiationErrorCount", "UnHealthyHostCount"},
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"AWS/AutoScaling": {"GroupMinSize", "GroupMaxSize", "GroupDesiredCapacity", "GroupInServiceInstances", "GroupPendingInstances", "GroupStandbyInstances", "GroupTerminatingInstances", "GroupTotalInstances"},
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"AWS/Billing": {"EstimatedCharges"},
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"AWS/CloudFront": {"Requests", "BytesDownloaded", "BytesUploaded", "TotalErrorRate", "4xxErrorRate", "5xxErrorRate"},
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"AWS/CloudSearch": {"SuccessfulRequests", "SearchableDocuments", "IndexUtilization", "Partitions"},
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"AWS/DynamoDB": {"ConditionalCheckFailedRequests", "ConsumedReadCapacityUnits", "ConsumedWriteCapacityUnits", "OnlineIndexConsumedWriteCapacity", "OnlineIndexPercentageProgress", "OnlineIndexThrottleEvents", "ProvisionedReadCapacityUnits", "ProvisionedWriteCapacityUnits", "ReadThrottleEvents", "ReturnedBytes", "ReturnedItemCount", "ReturnedRecordsCount", "SuccessfulRequestLatency", "SystemErrors", "ThrottledRequests", "UserErrors", "WriteThrottleEvents"},
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"AWS/EBS": {"VolumeReadBytes", "VolumeWriteBytes", "VolumeReadOps", "VolumeWriteOps", "VolumeTotalReadTime", "VolumeTotalWriteTime", "VolumeIdleTime", "VolumeQueueLength", "VolumeThroughputPercentage", "VolumeConsumedReadWriteOps", "BurstBalance"},
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"AWS/EC2": {"CPUCreditUsage", "CPUCreditBalance", "CPUUtilization", "DiskReadOps", "DiskWriteOps", "DiskReadBytes", "DiskWriteBytes", "NetworkIn", "NetworkOut", "NetworkPacketsIn", "NetworkPacketsOut", "StatusCheckFailed", "StatusCheckFailed_Instance", "StatusCheckFailed_System"},
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"AWS/EC2Spot": {"AvailableInstancePoolsCount", "BidsSubmittedForCapacity", "EligibleInstancePoolCount", "FulfilledCapacity", "MaxPercentCapacityAllocation", "PendingCapacity", "PercentCapacityAllocation", "TargetCapacity", "TerminatingCapacity"},
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"AWS/ECS": {"CPUReservation", "MemoryReservation", "CPUUtilization", "MemoryUtilization"},
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"AWS/EFS": {"BurstCreditBalance", "ClientConnections", "DataReadIOBytes", "DataWriteIOBytes", "MetadataIOBytes", "TotalIOBytes", "PermittedThroughput", "PercentIOLimit"},
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"AWS/ELB": {"HealthyHostCount", "UnHealthyHostCount", "RequestCount", "Latency", "HTTPCode_ELB_4XX", "HTTPCode_ELB_5XX", "HTTPCode_Backend_2XX", "HTTPCode_Backend_3XX", "HTTPCode_Backend_4XX", "HTTPCode_Backend_5XX", "BackendConnectionErrors", "SurgeQueueLength", "SpilloverCount"},
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"AWS/ElastiCache": {
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"CPUUtilization", "FreeableMemory", "NetworkBytesIn", "NetworkBytesOut", "SwapUsage",
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"BytesUsedForCacheItems", "BytesReadIntoMemcached", "BytesWrittenOutFromMemcached", "CasBadval", "CasHits", "CasMisses", "CmdFlush", "CmdGet", "CmdSet", "CurrConnections", "CurrItems", "DecrHits", "DecrMisses", "DeleteHits", "DeleteMisses", "Evictions", "GetHits", "GetMisses", "IncrHits", "IncrMisses", "Reclaimed",
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"BytesUsedForHash", "CmdConfigGet", "CmdConfigSet", "CmdTouch", "CurrConfig", "EvictedUnfetched", "ExpiredUnfetched", "SlabsMoved", "TouchHits", "TouchMisses",
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"NewConnections", "NewItems", "UnusedMemory",
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"BytesUsedForCache", "CacheHits", "CacheMisses", "CurrConnections", "Evictions", "HyperLogLogBasedCmds", "NewConnections", "Reclaimed", "ReplicationBytes", "ReplicationLag", "SaveInProgress",
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"CurrItems", "GetTypeCmds", "HashBasedCmds", "KeyBasedCmds", "ListBasedCmds", "SetBasedCmds", "SetTypeCmds", "SortedSetBasedCmds", "StringBasedCmds",
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},
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"AWS/ElasticBeanstalk": {
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"EnvironmentHealth",
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"ApplicationLatencyP10", "ApplicationLatencyP50", "ApplicationLatencyP75", "ApplicationLatencyP85", "ApplicationLatencyP90", "ApplicationLatencyP95", "ApplicationLatencyP99", "ApplicationLatencyP99.9",
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"ApplicationRequests2xx", "ApplicationRequests3xx", "ApplicationRequests4xx", "ApplicationRequests5xx", "ApplicationRequestsTotal",
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"CPUIdle", "CPUIowait", "CPUIrq", "CPUNice", "CPUSoftirq", "CPUSystem", "CPUUser",
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"InstanceHealth", "InstancesDegraded", "InstancesInfo", "InstancesNoData", "InstancesOk", "InstancesPending", "InstancesSevere", "InstancesUnknown", "InstancesWarning",
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"LoadAverage1min", "LoadAverage5min",
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"RootFilesystemUtil",
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},
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"AWS/ElasticMapReduce": {"IsIdle", "JobsRunning", "JobsFailed",
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"MapTasksRunning", "MapTasksRemaining", "MapSlotsOpen", "RemainingMapTasksPerSlot", "ReduceTasksRunning", "ReduceTasksRemaining", "ReduceSlotsOpen",
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"CoreNodesRunning", "CoreNodesPending", "LiveDataNodes", "TaskNodesRunning", "TaskNodesPending", "LiveTaskTrackers",
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"S3BytesWritten", "S3BytesRead", "HDFSUtilization", "HDFSBytesRead", "HDFSBytesWritten", "MissingBlocks", "TotalLoad",
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"BackupFailed", "MostRecentBackupDuration", "TimeSinceLastSuccessfulBackup",
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"IsIdle", "ContainerAllocated", "ContainerReserved", "ContainerPending", "AppsCompleted", "AppsFailed", "AppsKilled", "AppsPending", "AppsRunning", "AppsSubmitted",
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"CoreNodesRunning", "CoreNodesPending", "LiveDataNodes", "MRTotalNodes", "MRActiveNodes", "MRLostNodes", "MRUnhealthyNodes", "MRDecommissionedNodes", "MRRebootedNodes",
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"S3BytesWritten", "S3BytesRead", "HDFSUtilization", "HDFSBytesRead", "HDFSBytesWritten", "MissingBlocks", "CorruptBlocks", "TotalLoad", "MemoryTotalMB", "MemoryReservedMB", "MemoryAvailableMB", "MemoryAllocatedMB", "PendingDeletionBlocks", "UnderReplicatedBlocks", "DfsPendingReplicationBlocks", "CapacityRemainingGB",
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"HbaseBackupFailed", "MostRecentBackupDuration", "TimeSinceLastSuccessfulBackup"},
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"AWS/ES": {"ClusterStatus.green", "ClusterStatus.yellow", "ClusterStatus.red", "Nodes", "SearchableDocuments", "DeletedDocuments", "CPUUtilization", "FreeStorageSpace", "JVMMemoryPressure", "AutomatedSnapshotFailure", "MasterCPUUtilization", "MasterFreeStorageSpace", "MasterJVMMemoryPressure", "ReadLatency", "WriteLatency", "ReadThroughput", "WriteThroughput", "DiskQueueLength", "ReadIOPS", "WriteIOPS"},
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"AWS/Events": {"Invocations", "FailedInvocations", "TriggeredRules", "MatchedEvents", "ThrottledRules"},
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"AWS/Firehose": {"DeliveryToElasticsearch.Bytes", "DeliveryToElasticsearch.Records", "DeliveryToElasticsearch.Success", "DeliveryToRedshift.Bytes", "DeliveryToRedshift.Records", "DeliveryToRedshift.Success", "DeliveryToS3.Bytes", "DeliveryToS3.DataFreshness", "DeliveryToS3.Records", "DeliveryToS3.Success", "IncomingBytes", "IncomingRecords", "DescribeDeliveryStream.Latency", "DescribeDeliveryStream.Requests", "ListDeliveryStreams.Latency", "ListDeliveryStreams.Requests", "PutRecord.Bytes", "PutRecord.Latency", "PutRecord.Requests", "PutRecordBatch.Bytes", "PutRecordBatch.Latency", "PutRecordBatch.Records", "PutRecordBatch.Requests", "UpdateDeliveryStream.Latency", "UpdateDeliveryStream.Requests"},
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"AWS/IoT": {"PublishIn.Success", "PublishOut.Success", "Subscribe.Success", "Ping.Success", "Connect.Success", "GetThingShadow.Accepted"},
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"AWS/Kinesis": {"GetRecords.Bytes", "GetRecords.IteratorAge", "GetRecords.IteratorAgeMilliseconds", "GetRecords.Latency", "GetRecords.Records", "GetRecords.Success", "IncomingBytes", "IncomingRecords", "PutRecord.Bytes", "PutRecord.Latency", "PutRecord.Success", "PutRecords.Bytes", "PutRecords.Latency", "PutRecords.Records", "PutRecords.Success", "ReadProvisionedThroughputExceeded", "WriteProvisionedThroughputExceeded", "IteratorAgeMilliseconds", "OutgoingBytes", "OutgoingRecords"},
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"AWS/KinesisAnalytics": {"Bytes", "MillisBehindLatest", "Records", "Success"},
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"AWS/Lambda": {"Invocations", "Errors", "Duration", "Throttles"},
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"AWS/Logs": {"IncomingBytes", "IncomingLogEvents", "ForwardedBytes", "ForwardedLogEvents", "DeliveryErrors", "DeliveryThrottling"},
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"AWS/ML": {"PredictCount", "PredictFailureCount"},
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"AWS/OpsWorks": {"cpu_idle", "cpu_nice", "cpu_system", "cpu_user", "cpu_waitio", "load_1", "load_5", "load_15", "memory_buffers", "memory_cached", "memory_free", "memory_swap", "memory_total", "memory_used", "procs"},
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"AWS/Redshift": {"CPUUtilization", "DatabaseConnections", "HealthStatus", "MaintenanceMode", "NetworkReceiveThroughput", "NetworkTransmitThroughput", "PercentageDiskSpaceUsed", "ReadIOPS", "ReadLatency", "ReadThroughput", "WriteIOPS", "WriteLatency", "WriteThroughput"},
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"AWS/RDS": {"ActiveTransactions", "AuroraBinlogReplicaLag", "AuroraReplicaLag", "AuroraReplicaLagMaximum", "AuroraReplicaLagMinimum", "BinLogDiskUsage", "BlockedTransactions", "BufferCacheHitRatio", "CommitLatency", "CommitThroughput", "CPUCreditBalance", "CPUCreditUsage", "CPUUtilization", "DatabaseConnections", "DDLLatency", "DDLThroughput", "Deadlocks", "DiskQueueDepth", "DMLLatency", "DMLThroughput", "FailedSqlStatements", "FreeableMemory", "FreeStorageSpace", "LoginFailures", "NetworkReceiveThroughput", "NetworkTransmitThroughput", "ReadIOPS", "ReadLatency", "ReadThroughput", "ReplicaLag", "ResultSetCacheHitRatio", "SelectLatency", "SelectThroughput", "SwapUsage", "TotalConnections", "VolumeReadIOPS", "VolumeWriteIOPS", "WriteIOPS", "WriteLatency", "WriteThroughput"},
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"AWS/Route53": {"HealthCheckStatus", "HealthCheckPercentageHealthy", "ConnectionTime", "SSLHandshakeTime", "TimeToFirstByte"},
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"AWS/S3": {"BucketSizeBytes", "NumberOfObjects"},
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"AWS/SNS": {"NumberOfMessagesPublished", "PublishSize", "NumberOfNotificationsDelivered", "NumberOfNotificationsFailed"},
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"AWS/SQS": {"NumberOfMessagesSent", "SentMessageSize", "NumberOfMessagesReceived", "NumberOfEmptyReceives", "NumberOfMessagesDeleted", "ApproximateNumberOfMessagesDelayed", "ApproximateNumberOfMessagesVisible", "ApproximateNumberOfMessagesNotVisible"},
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"AWS/StorageGateway": {"CacheHitPercent", "CachePercentUsed", "CachePercentDirty", "CloudBytesDownloaded", "CloudDownloadLatency", "CloudBytesUploaded", "UploadBufferFree", "UploadBufferPercentUsed", "UploadBufferUsed", "QueuedWrites", "ReadBytes", "ReadTime", "TotalCacheSize", "WriteBytes", "WriteTime", "TimeSinceLastRecoveryPoint", "WorkingStorageFree", "WorkingStoragePercentUsed", "WorkingStorageUsed",
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"CacheHitPercent", "CachePercentUsed", "CachePercentDirty", "ReadBytes", "ReadTime", "WriteBytes", "WriteTime", "QueuedWrites"},
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"AWS/SWF": {"DecisionTaskScheduleToStartTime", "DecisionTaskStartToCloseTime", "DecisionTasksCompleted", "StartedDecisionTasksTimedOutOnClose", "WorkflowStartToCloseTime", "WorkflowsCanceled", "WorkflowsCompleted", "WorkflowsContinuedAsNew", "WorkflowsFailed", "WorkflowsTerminated", "WorkflowsTimedOut",
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"ActivityTaskScheduleToCloseTime", "ActivityTaskScheduleToStartTime", "ActivityTaskStartToCloseTime", "ActivityTasksCanceled", "ActivityTasksCompleted", "ActivityTasksFailed", "ScheduledActivityTasksTimedOutOnClose", "ScheduledActivityTasksTimedOutOnStart", "StartedActivityTasksTimedOutOnClose", "StartedActivityTasksTimedOutOnHeartbeat"},
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"AWS/WAF": {"AllowedRequests", "BlockedRequests", "CountedRequests"},
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"AWS/WorkSpaces": {"Available", "Unhealthy", "ConnectionAttempt", "ConnectionSuccess", "ConnectionFailure", "SessionLaunchTime", "InSessionLatency", "SessionDisconnect"},
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"KMS": {"SecondsUntilKeyMaterialExpiration"},
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}
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dimensionsMap = map[string][]string{
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"AWS/ApiGateway": {"ApiName", "Method", "Resource", "Stage"},
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"AWS/ApplicationELB": {"LoadBalancer", "TargetGroup", "AvailabilityZone"},
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"AWS/AutoScaling": {"AutoScalingGroupName"},
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"AWS/Billing": {"ServiceName", "LinkedAccount", "Currency"},
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"AWS/CloudFront": {"DistributionId", "Region"},
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"AWS/CloudSearch": {},
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"AWS/DynamoDB": {"TableName", "GlobalSecondaryIndexName", "Operation", "StreamLabel"},
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"AWS/EBS": {"VolumeId"},
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"AWS/EC2": {"AutoScalingGroupName", "ImageId", "InstanceId", "InstanceType"},
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"AWS/EC2Spot": {"AvailabilityZone", "FleetRequestId", "InstanceType"},
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"AWS/ECS": {"ClusterName", "ServiceName"},
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"AWS/EFS": {"FileSystemId"},
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"AWS/ELB": {"LoadBalancerName", "AvailabilityZone"},
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"AWS/ElastiCache": {"CacheClusterId", "CacheNodeId"},
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"AWS/ElasticBeanstalk": {"EnvironmentName", "InstanceId"},
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"AWS/ElasticMapReduce": {"ClusterId", "JobFlowId", "JobId"},
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"AWS/ES": {"ClientId", "DomainName"},
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"AWS/Events": {"RuleName"},
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"AWS/Firehose": {},
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"AWS/IoT": {"Protocol"},
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"AWS/Kinesis": {"StreamName", "ShardID"},
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"AWS/KinesisAnalytics": {"Flow", "Id", "Application"},
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"AWS/Lambda": {"FunctionName", "Resource", "Version", "Alias"},
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"AWS/Logs": {"LogGroupName", "DestinationType", "FilterName"},
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"AWS/ML": {"MLModelId", "RequestMode"},
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"AWS/OpsWorks": {"StackId", "LayerId", "InstanceId"},
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"AWS/Redshift": {"NodeID", "ClusterIdentifier"},
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"AWS/RDS": {"DBInstanceIdentifier", "DBClusterIdentifier", "DatabaseClass", "EngineName"},
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"AWS/Route53": {"HealthCheckId"},
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"AWS/S3": {"BucketName", "StorageType"},
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"AWS/SNS": {"Application", "Platform", "TopicName"},
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"AWS/SQS": {"QueueName"},
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"AWS/StorageGateway": {"GatewayId", "GatewayName", "VolumeId"},
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"AWS/SWF": {"Domain", "WorkflowTypeName", "WorkflowTypeVersion", "ActivityTypeName", "ActivityTypeVersion"},
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"AWS/WAF": {"Rule", "WebACL"},
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"AWS/WorkSpaces": {"DirectoryId", "WorkspaceId"},
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"KMS": {"KeyId"},
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}
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customMetricsMetricsMap = make(map[string]map[string]map[string]*CustomMetricsCache)
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customMetricsDimensionsMap = make(map[string]map[string]map[string]*CustomMetricsCache)
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}
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// Whenever this list is updated, frontend list should also be updated.
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// Please update the region list in public/app/plugins/datasource/cloudwatch/partials/config.html
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func handleGetRegions(req *cwRequest, c *middleware.Context) {
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regions := []string{
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"ap-northeast-1", "ap-northeast-2", "ap-southeast-1", "ap-southeast-2", "cn-north-1",
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"eu-central-1", "eu-west-1", "sa-east-1", "us-east-1", "us-west-1", "us-west-2", "us-gov-west-1",
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}
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result := []interface{}{}
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for _, region := range regions {
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result = append(result, util.DynMap{"text": region, "value": region})
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}
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c.JSON(200, result)
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}
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func handleGetNamespaces(req *cwRequest, c *middleware.Context) {
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keys := []string{}
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for key := range metricsMap {
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keys = append(keys, key)
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}
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customNamespaces := req.DataSource.JsonData.Get("customMetricsNamespaces").MustString()
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if customNamespaces != "" {
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for _, key := range strings.Split(customNamespaces, ",") {
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keys = append(keys, key)
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}
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}
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sort.Sort(sort.StringSlice(keys))
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result := []interface{}{}
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for _, key := range keys {
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result = append(result, util.DynMap{"text": key, "value": key})
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}
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c.JSON(200, result)
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}
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func handleGetMetrics(req *cwRequest, c *middleware.Context) {
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reqParam := &struct {
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Parameters struct {
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Namespace string `json:"namespace"`
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} `json:"parameters"`
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}{}
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json.Unmarshal(req.Body, reqParam)
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var namespaceMetrics []string
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if !isCustomMetrics(reqParam.Parameters.Namespace) {
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var exists bool
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if namespaceMetrics, exists = metricsMap[reqParam.Parameters.Namespace]; !exists {
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c.JsonApiErr(404, "Unable to find namespace "+reqParam.Parameters.Namespace, nil)
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return
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}
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} else {
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var err error
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assumeRoleArn := req.DataSource.JsonData.Get("assumeRoleArn").MustString()
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if namespaceMetrics, err = getMetricsForCustomMetrics(req.Region, reqParam.Parameters.Namespace, req.DataSource.Database, assumeRoleArn, getAllMetrics); err != nil {
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c.JsonApiErr(500, "Unable to call AWS API", err)
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return
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}
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}
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sort.Sort(sort.StringSlice(namespaceMetrics))
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result := []interface{}{}
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for _, name := range namespaceMetrics {
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result = append(result, util.DynMap{"text": name, "value": name})
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}
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c.JSON(200, result)
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}
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func handleGetDimensions(req *cwRequest, c *middleware.Context) {
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reqParam := &struct {
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Parameters struct {
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Namespace string `json:"namespace"`
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} `json:"parameters"`
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}{}
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json.Unmarshal(req.Body, reqParam)
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var dimensionValues []string
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if !isCustomMetrics(reqParam.Parameters.Namespace) {
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var exists bool
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if dimensionValues, exists = dimensionsMap[reqParam.Parameters.Namespace]; !exists {
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c.JsonApiErr(404, "Unable to find dimension "+reqParam.Parameters.Namespace, nil)
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return
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}
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} else {
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var err error
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assumeRoleArn := req.DataSource.JsonData.Get("assumeRoleArn").MustString()
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if dimensionValues, err = getDimensionsForCustomMetrics(req.Region, reqParam.Parameters.Namespace, req.DataSource.Database, assumeRoleArn, getAllMetrics); err != nil {
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c.JsonApiErr(500, "Unable to call AWS API", err)
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return
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}
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}
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sort.Sort(sort.StringSlice(dimensionValues))
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result := []interface{}{}
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for _, name := range dimensionValues {
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result = append(result, util.DynMap{"text": name, "value": name})
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}
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c.JSON(200, result)
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}
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func getAllMetrics(region string, namespace string, database string, assumeRoleArn string) (cloudwatch.ListMetricsOutput, error) {
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cfg := &aws.Config{
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Region: aws.String(region),
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Credentials: getCredentials(database, region, assumeRoleArn),
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}
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svc := cloudwatch.New(session.New(cfg), cfg)
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params := &cloudwatch.ListMetricsInput{
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Namespace: aws.String(namespace),
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}
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var resp cloudwatch.ListMetricsOutput
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err := svc.ListMetricsPages(params,
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func(page *cloudwatch.ListMetricsOutput, lastPage bool) bool {
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metrics, _ := awsutil.ValuesAtPath(page, "Metrics")
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for _, metric := range metrics {
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resp.Metrics = append(resp.Metrics, metric.(*cloudwatch.Metric))
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}
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return !lastPage
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})
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if err != nil {
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return resp, err
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}
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return resp, nil
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}
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var metricsCacheLock sync.Mutex
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func getMetricsForCustomMetrics(region string, namespace string, database string, assumeRoleArn string, getAllMetrics func(string, string, string, string) (cloudwatch.ListMetricsOutput, error)) ([]string, error) {
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result, err := getAllMetrics(region, namespace, database, assumeRoleArn)
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if err != nil {
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return []string{}, err
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}
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metricsCacheLock.Lock()
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defer metricsCacheLock.Unlock()
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if _, ok := customMetricsMetricsMap[database]; !ok {
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customMetricsMetricsMap[database] = make(map[string]map[string]*CustomMetricsCache)
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}
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if _, ok := customMetricsMetricsMap[database][region]; !ok {
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customMetricsMetricsMap[database][region] = make(map[string]*CustomMetricsCache)
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}
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if _, ok := customMetricsMetricsMap[database][region][namespace]; !ok {
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customMetricsMetricsMap[database][region][namespace] = &CustomMetricsCache{}
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customMetricsMetricsMap[database][region][namespace].Cache = make([]string, 0)
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}
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if customMetricsMetricsMap[database][region][namespace].Expire.After(time.Now()) {
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return customMetricsMetricsMap[database][region][namespace].Cache, nil
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}
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customMetricsMetricsMap[database][region][namespace].Cache = make([]string, 0)
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customMetricsMetricsMap[database][region][namespace].Expire = time.Now().Add(5 * time.Minute)
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for _, metric := range result.Metrics {
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if isDuplicate(customMetricsMetricsMap[database][region][namespace].Cache, *metric.MetricName) {
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continue
|
|
}
|
|
customMetricsMetricsMap[database][region][namespace].Cache = append(customMetricsMetricsMap[database][region][namespace].Cache, *metric.MetricName)
|
|
}
|
|
|
|
return customMetricsMetricsMap[database][region][namespace].Cache, nil
|
|
}
|
|
|
|
var dimensionsCacheLock sync.Mutex
|
|
|
|
func getDimensionsForCustomMetrics(region string, namespace string, database string, assumeRoleArn string, getAllMetrics func(string, string, string, string) (cloudwatch.ListMetricsOutput, error)) ([]string, error) {
|
|
result, err := getAllMetrics(region, namespace, database, assumeRoleArn)
|
|
if err != nil {
|
|
return []string{}, err
|
|
}
|
|
|
|
dimensionsCacheLock.Lock()
|
|
defer dimensionsCacheLock.Unlock()
|
|
|
|
if _, ok := customMetricsDimensionsMap[database]; !ok {
|
|
customMetricsDimensionsMap[database] = make(map[string]map[string]*CustomMetricsCache)
|
|
}
|
|
if _, ok := customMetricsDimensionsMap[database][region]; !ok {
|
|
customMetricsDimensionsMap[database][region] = make(map[string]*CustomMetricsCache)
|
|
}
|
|
if _, ok := customMetricsDimensionsMap[database][region][namespace]; !ok {
|
|
customMetricsDimensionsMap[database][region][namespace] = &CustomMetricsCache{}
|
|
customMetricsDimensionsMap[database][region][namespace].Cache = make([]string, 0)
|
|
}
|
|
|
|
if customMetricsDimensionsMap[database][region][namespace].Expire.After(time.Now()) {
|
|
return customMetricsDimensionsMap[database][region][namespace].Cache, nil
|
|
}
|
|
customMetricsDimensionsMap[database][region][namespace].Cache = make([]string, 0)
|
|
customMetricsDimensionsMap[database][region][namespace].Expire = time.Now().Add(5 * time.Minute)
|
|
|
|
for _, metric := range result.Metrics {
|
|
for _, dimension := range metric.Dimensions {
|
|
if isDuplicate(customMetricsDimensionsMap[database][region][namespace].Cache, *dimension.Name) {
|
|
continue
|
|
}
|
|
customMetricsDimensionsMap[database][region][namespace].Cache = append(customMetricsDimensionsMap[database][region][namespace].Cache, *dimension.Name)
|
|
}
|
|
}
|
|
|
|
return customMetricsDimensionsMap[database][region][namespace].Cache, nil
|
|
}
|
|
|
|
func isDuplicate(nameList []string, target string) bool {
|
|
for _, name := range nameList {
|
|
if name == target {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func isCustomMetrics(namespace string) bool {
|
|
return strings.Index(namespace, "AWS/") != 0
|
|
}
|