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metric_find_query.go
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metric_find_query.go
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package cloudwatch
import (
"context"
"errors"
"reflect"
"sort"
"strings"
"sync"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awsutil"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/cloudwatch"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/metrics"
"github.com/grafana/grafana/pkg/tsdb"
)
var metricsMap map[string][]string
var dimensionsMap map[string][]string
type suggestData struct {
Text string
Value string
}
type CustomMetricsCache struct {
Expire time.Time
Cache []string
}
var customMetricsMetricsMap map[string]map[string]map[string]*CustomMetricsCache
var customMetricsDimensionsMap map[string]map[string]map[string]*CustomMetricsCache
func init() {
metricsMap = map[string][]string{
"AWS/ApiGateway": {"4XXError", "5XXError", "CacheHitCount", "CacheMissCount", "Count", "IntegrationLatency", "Latency"},
"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", "IPv6ProcessedBytes", "IPv6RequestCount", "NewConnectionCount", "ProcessedBytes", "RejectedConnectionCount", "RequestCount", "TargetConnectionErrorCount", "TargetResponseTime", "TargetTLSNegotiationErrorCount", "UnHealthyHostCount"},
"AWS/AutoScaling": {"GroupMinSize", "GroupMaxSize", "GroupDesiredCapacity", "GroupInServiceInstances", "GroupPendingInstances", "GroupStandbyInstances", "GroupTerminatingInstances", "GroupTotalInstances"},
"AWS/Billing": {"EstimatedCharges"},
"AWS/CloudFront": {"Requests", "BytesDownloaded", "BytesUploaded", "TotalErrorRate", "4xxErrorRate", "5xxErrorRate"},
"AWS/CloudSearch": {"SuccessfulRequests", "SearchableDocuments", "IndexUtilization", "Partitions"},
"AWS/DMS": {"FreeableMemory", "WriteIOPS", "ReadIOPS", "WriteThroughput", "ReadThroughput", "WriteLatency", "ReadLatency", "SwapUsage", "NetworkTransmitThroughput", "NetworkReceiveThroughput", "FullLoadThroughputBandwidthSource", "FullLoadThroughputBandwidthTarget", "FullLoadThroughputRowsSource", "FullLoadThroughputRowsTarget", "CDCIncomingChanges", "CDCChangesMemorySource", "CDCChangesMemoryTarget", "CDCChangesDiskSource", "CDCChangesDiskTarget", "CDCThroughputBandwidthTarget", "CDCThroughputRowsSource", "CDCThroughputRowsTarget", "CDCLatencySource", "CDCLatencyTarget"},
"AWS/DynamoDB": {"ConditionalCheckFailedRequests", "ConsumedReadCapacityUnits", "ConsumedWriteCapacityUnits", "OnlineIndexConsumedWriteCapacity", "OnlineIndexPercentageProgress", "OnlineIndexThrottleEvents", "ProvisionedReadCapacityUnits", "ProvisionedWriteCapacityUnits", "ReadThrottleEvents", "ReturnedBytes", "ReturnedItemCount", "ReturnedRecordsCount", "SuccessfulRequestLatency", "SystemErrors", "TimeToLiveDeletedItemCount", "ThrottledRequests", "UserErrors", "WriteThrottleEvents"},
"AWS/EBS": {"VolumeReadBytes", "VolumeWriteBytes", "VolumeReadOps", "VolumeWriteOps", "VolumeTotalReadTime", "VolumeTotalWriteTime", "VolumeIdleTime", "VolumeQueueLength", "VolumeThroughputPercentage", "VolumeConsumedReadWriteOps", "BurstBalance"},
"AWS/EC2": {"CPUCreditUsage", "CPUCreditBalance", "CPUUtilization", "DiskReadOps", "DiskWriteOps", "DiskReadBytes", "DiskWriteBytes", "NetworkIn", "NetworkOut", "NetworkPacketsIn", "NetworkPacketsOut", "StatusCheckFailed", "StatusCheckFailed_Instance", "StatusCheckFailed_System"},
"AWS/EC2Spot": {"AvailableInstancePoolsCount", "BidsSubmittedForCapacity", "EligibleInstancePoolCount", "FulfilledCapacity", "MaxPercentCapacityAllocation", "PendingCapacity", "PercentCapacityAllocation", "TargetCapacity", "TerminatingCapacity"},
"AWS/ECS": {"CPUReservation", "MemoryReservation", "CPUUtilization", "MemoryUtilization"},
"AWS/EFS": {"BurstCreditBalance", "ClientConnections", "DataReadIOBytes", "DataWriteIOBytes", "MetadataIOBytes", "TotalIOBytes", "PermittedThroughput", "PercentIOLimit"},
"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", "EstimatedALBActiveConnectionCount", "EstimatedALBConsumedLCUs", "EstimatedALBNewConnectionCount", "EstimatedProcessedBytes"},
"AWS/ElastiCache": {
"CPUUtilization", "FreeableMemory", "NetworkBytesIn", "NetworkBytesOut", "SwapUsage",
"BytesUsedForCacheItems", "BytesReadIntoMemcached", "BytesWrittenOutFromMemcached", "CasBadval", "CasHits", "CasMisses", "CmdFlush", "CmdGet", "CmdSet", "CurrConnections", "CurrItems", "DecrHits", "DecrMisses", "DeleteHits", "DeleteMisses", "Evictions", "GetHits", "GetMisses", "IncrHits", "IncrMisses", "Reclaimed",
"BytesUsedForHash", "CmdConfigGet", "CmdConfigSet", "CmdTouch", "CurrConfig", "EvictedUnfetched", "ExpiredUnfetched", "SlabsMoved", "TouchHits", "TouchMisses",
"NewConnections", "NewItems", "UnusedMemory",
"BytesUsedForCache", "CacheHits", "CacheMisses", "CurrConnections", "Evictions", "HyperLogLogBasedCmds", "NewConnections", "Reclaimed", "ReplicationBytes", "ReplicationLag", "SaveInProgress",
"CurrItems", "GetTypeCmds", "HashBasedCmds", "KeyBasedCmds", "ListBasedCmds", "SetBasedCmds", "SetTypeCmds", "SortedSetBasedCmds", "StringBasedCmds",
},
"AWS/ElasticBeanstalk": {
"EnvironmentHealth",
"ApplicationLatencyP10", "ApplicationLatencyP50", "ApplicationLatencyP75", "ApplicationLatencyP85", "ApplicationLatencyP90", "ApplicationLatencyP95", "ApplicationLatencyP99", "ApplicationLatencyP99.9",
"ApplicationRequests2xx", "ApplicationRequests3xx", "ApplicationRequests4xx", "ApplicationRequests5xx", "ApplicationRequestsTotal",
"CPUIdle", "CPUIowait", "CPUIrq", "CPUNice", "CPUSoftirq", "CPUSystem", "CPUUser",
"InstanceHealth", "InstancesDegraded", "InstancesInfo", "InstancesNoData", "InstancesOk", "InstancesPending", "InstancesSevere", "InstancesUnknown", "InstancesWarning",
"LoadAverage1min", "LoadAverage5min",
"RootFilesystemUtil",
},
"AWS/ElasticMapReduce": {"IsIdle", "JobsRunning", "JobsFailed",
"MapTasksRunning", "MapTasksRemaining", "MapSlotsOpen", "RemainingMapTasksPerSlot", "ReduceTasksRunning", "ReduceTasksRemaining", "ReduceSlotsOpen",
"CoreNodesRunning", "CoreNodesPending", "LiveDataNodes", "TaskNodesRunning", "TaskNodesPending", "LiveTaskTrackers",
"S3BytesWritten", "S3BytesRead", "HDFSUtilization", "HDFSBytesRead", "HDFSBytesWritten", "MissingBlocks", "TotalLoad",
"BackupFailed", "MostRecentBackupDuration", "TimeSinceLastSuccessfulBackup",
"IsIdle", "ContainerAllocated", "ContainerReserved", "ContainerPending", "AppsCompleted", "AppsFailed", "AppsKilled", "AppsPending", "AppsRunning", "AppsSubmitted",
"CoreNodesRunning", "CoreNodesPending", "LiveDataNodes", "MRTotalNodes", "MRActiveNodes", "MRLostNodes", "MRUnhealthyNodes", "MRDecommissionedNodes", "MRRebootedNodes",
"S3BytesWritten", "S3BytesRead", "HDFSUtilization", "HDFSBytesRead", "HDFSBytesWritten", "MissingBlocks", "CorruptBlocks", "TotalLoad", "MemoryTotalMB", "MemoryReservedMB", "MemoryAvailableMB", "MemoryAllocatedMB", "PendingDeletionBlocks", "UnderReplicatedBlocks", "DfsPendingReplicationBlocks", "CapacityRemainingGB",
"HbaseBackupFailed", "MostRecentBackupDuration", "TimeSinceLastSuccessfulBackup"},
"AWS/ES": {"ClusterStatus.green", "ClusterStatus.yellow", "ClusterStatus.red", "ClusterUsedSpace", "Nodes", "SearchableDocuments", "DeletedDocuments", "CPUCreditBalance", "CPUUtilization", "FreeStorageSpace", "JVMMemoryPressure", "AutomatedSnapshotFailure", "MasterCPUCreditBalance", "MasterCPUUtilization", "MasterFreeStorageSpace", "MasterJVMMemoryPressure", "ReadLatency", "WriteLatency", "ReadThroughput", "WriteThroughput", "DiskQueueDepth", "ReadIOPS", "WriteIOPS"},
"AWS/Events": {"Invocations", "FailedInvocations", "TriggeredRules", "MatchedEvents", "ThrottledRules"},
"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"},
"AWS/IoT": {"PublishIn.Success", "PublishOut.Success", "Subscribe.Success", "Ping.Success", "Connect.Success", "GetThingShadow.Accepted"},
"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"},
"AWS/KinesisAnalytics": {"Bytes", "MillisBehindLatest", "Records", "Success"},
"AWS/Lambda": {"Invocations", "Errors", "Duration", "Throttles", "IteratorAge"},
"AWS/Logs": {"IncomingBytes", "IncomingLogEvents", "ForwardedBytes", "ForwardedLogEvents", "DeliveryErrors", "DeliveryThrottling"},
"AWS/ML": {"PredictCount", "PredictFailureCount"},
"AWS/NATGateway": {"PacketsOutToDestination", "PacketsOutToSource", "PacketsInFromSource", "PacketsInFromDestination", "BytesOutToDestination", "BytesOutToSource", "BytesInFromSource", "BytesInFromDestination", "ErrorPortAllocation", "ActiveConnectionCount", "ConnectionAttemptCount", "ConnectionEstablishedCount", "IdleTimeoutCount", "PacketsDropCount"},
"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"},
"AWS/Redshift": {"CPUUtilization", "DatabaseConnections", "HealthStatus", "MaintenanceMode", "NetworkReceiveThroughput", "NetworkTransmitThroughput", "PercentageDiskSpaceUsed", "ReadIOPS", "ReadLatency", "ReadThroughput", "WriteIOPS", "WriteLatency", "WriteThroughput"},
"AWS/RDS": {"ActiveTransactions", "AuroraBinlogReplicaLag", "AuroraReplicaLag", "AuroraReplicaLagMaximum", "AuroraReplicaLagMinimum", "BinLogDiskUsage", "BlockedTransactions", "BufferCacheHitRatio", "CommitLatency", "CommitThroughput", "BinLogDiskUsage", "CPUCreditBalance", "CPUCreditUsage", "CPUUtilization", "DatabaseConnections", "DDLLatency", "DDLThroughput", "Deadlocks", "DeleteLatency", "DeleteThroughput", "DiskQueueDepth", "DMLLatency", "DMLThroughput", "EngineUptime", "FailedSqlStatements", "FreeableMemory", "FreeLocalStorage", "FreeStorageSpace", "InsertLatency", "InsertThroughput", "LoginFailures", "NetworkReceiveThroughput", "NetworkTransmitThroughput", "NetworkThroughput", "Queries", "ReadIOPS", "ReadLatency", "ReadThroughput", "ReplicaLag", "ResultSetCacheHitRatio", "SelectLatency", "SelectThroughput", "SwapUsage", "TotalConnections", "UpdateLatency", "UpdateThroughput", "VolumeBytesUsed", "VolumeReadIOPS", "VolumeWriteIOPS", "WriteIOPS", "WriteLatency", "WriteThroughput"},
"AWS/Route53": {"ChildHealthCheckHealthyCount", "HealthCheckStatus", "HealthCheckPercentageHealthy", "ConnectionTime", "SSLHandshakeTime", "TimeToFirstByte"},
"AWS/S3": {"BucketSizeBytes", "NumberOfObjects", "AllRequests", "GetRequests", "PutRequests", "DeleteRequests", "HeadRequests", "PostRequests", "ListRequests", "BytesDownloaded", "BytesUploaded", "4xxErrors", "5xxErrors", "FirstByteLatency", "TotalRequestLatency"},
"AWS/SES": {"Bounce", "Complaint", "Delivery", "Reject", "Send"},
"AWS/SNS": {"NumberOfMessagesPublished", "PublishSize", "NumberOfNotificationsDelivered", "NumberOfNotificationsFailed"},
"AWS/SQS": {"NumberOfMessagesSent", "SentMessageSize", "NumberOfMessagesReceived", "NumberOfEmptyReceives", "NumberOfMessagesDeleted", "ApproximateAgeOfOldestMessage", "ApproximateNumberOfMessagesDelayed", "ApproximateNumberOfMessagesVisible", "ApproximateNumberOfMessagesNotVisible"},
"AWS/StorageGateway": {"CacheHitPercent", "CachePercentUsed", "CachePercentDirty", "CloudBytesDownloaded", "CloudDownloadLatency", "CloudBytesUploaded", "UploadBufferFree", "UploadBufferPercentUsed", "UploadBufferUsed", "QueuedWrites", "ReadBytes", "ReadTime", "TotalCacheSize", "WriteBytes", "WriteTime", "TimeSinceLastRecoveryPoint", "WorkingStorageFree", "WorkingStoragePercentUsed", "WorkingStorageUsed",
"CacheHitPercent", "CachePercentUsed", "CachePercentDirty", "ReadBytes", "ReadTime", "WriteBytes", "WriteTime", "QueuedWrites"},
"AWS/SWF": {"DecisionTaskScheduleToStartTime", "DecisionTaskStartToCloseTime", "DecisionTasksCompleted", "StartedDecisionTasksTimedOutOnClose", "WorkflowStartToCloseTime", "WorkflowsCanceled", "WorkflowsCompleted", "WorkflowsContinuedAsNew", "WorkflowsFailed", "WorkflowsTerminated", "WorkflowsTimedOut",
"ActivityTaskScheduleToCloseTime", "ActivityTaskScheduleToStartTime", "ActivityTaskStartToCloseTime", "ActivityTasksCanceled", "ActivityTasksCompleted", "ActivityTasksFailed", "ScheduledActivityTasksTimedOutOnClose", "ScheduledActivityTasksTimedOutOnStart", "StartedActivityTasksTimedOutOnClose", "StartedActivityTasksTimedOutOnHeartbeat"},
"AWS/VPN": {"TunnelState", "TunnelDataIn", "TunnelDataOut"},
"WAF": {"AllowedRequests", "BlockedRequests", "CountedRequests"},
"AWS/WorkSpaces": {"Available", "Unhealthy", "ConnectionAttempt", "ConnectionSuccess", "ConnectionFailure", "SessionLaunchTime", "InSessionLatency", "SessionDisconnect"},
"KMS": {"SecondsUntilKeyMaterialExpiration"},
}
dimensionsMap = map[string][]string{
"AWS/ApiGateway": {"ApiName", "Method", "Resource", "Stage"},
"AWS/ApplicationELB": {"LoadBalancer", "TargetGroup", "AvailabilityZone"},
"AWS/AutoScaling": {"AutoScalingGroupName"},
"AWS/Billing": {"ServiceName", "LinkedAccount", "Currency"},
"AWS/CloudFront": {"DistributionId", "Region"},
"AWS/CloudSearch": {},
"AWS/DMS": {"ReplicationInstanceIdentifier", "ReplicationTaskIdentifier"},
"AWS/DynamoDB": {"TableName", "GlobalSecondaryIndexName", "Operation", "StreamLabel"},
"AWS/EBS": {"VolumeId"},
"AWS/EC2": {"AutoScalingGroupName", "ImageId", "InstanceId", "InstanceType"},
"AWS/EC2Spot": {"AvailabilityZone", "FleetRequestId", "InstanceType"},
"AWS/ECS": {"ClusterName", "ServiceName"},
"AWS/EFS": {"FileSystemId"},
"AWS/ELB": {"LoadBalancerName", "AvailabilityZone"},
"AWS/ElastiCache": {"CacheClusterId", "CacheNodeId"},
"AWS/ElasticBeanstalk": {"EnvironmentName", "InstanceId"},
"AWS/ElasticMapReduce": {"ClusterId", "JobFlowId", "JobId"},
"AWS/ES": {"ClientId", "DomainName"},
"AWS/Events": {"RuleName"},
"AWS/Firehose": {"DeliveryStreamName"},
"AWS/IoT": {"Protocol"},
"AWS/Kinesis": {"StreamName", "ShardID"},
"AWS/KinesisAnalytics": {"Flow", "Id", "Application"},
"AWS/Lambda": {"FunctionName", "Resource", "Version", "Alias"},
"AWS/Logs": {"LogGroupName", "DestinationType", "FilterName"},
"AWS/ML": {"MLModelId", "RequestMode"},
"AWS/NATGateway": {"NatGatewayId"},
"AWS/OpsWorks": {"StackId", "LayerId", "InstanceId"},
"AWS/Redshift": {"NodeID", "ClusterIdentifier"},
"AWS/RDS": {"DBInstanceIdentifier", "DBClusterIdentifier", "DbClusterIdentifier", "DatabaseClass", "EngineName", "Role"},
"AWS/Route53": {"HealthCheckId", "Region"},
"AWS/S3": {"BucketName", "StorageType", "FilterId"},
"AWS/SES": {},
"AWS/SNS": {"Application", "Platform", "TopicName"},
"AWS/SQS": {"QueueName"},
"AWS/StorageGateway": {"GatewayId", "GatewayName", "VolumeId"},
"AWS/SWF": {"Domain", "WorkflowTypeName", "WorkflowTypeVersion", "ActivityTypeName", "ActivityTypeVersion"},
"AWS/VPN": {"VpnId", "TunnelIpAddress"},
"WAF": {"Rule", "WebACL"},
"AWS/WorkSpaces": {"DirectoryId", "WorkspaceId"},
"KMS": {"KeyId"},
}
customMetricsMetricsMap = make(map[string]map[string]map[string]*CustomMetricsCache)
customMetricsDimensionsMap = make(map[string]map[string]map[string]*CustomMetricsCache)
}
func (e *CloudWatchExecutor) executeMetricFindQuery(ctx context.Context, queryContext *tsdb.TsdbQuery) (*tsdb.Response, error) {
result := &tsdb.Response{
Results: make(map[string]*tsdb.QueryResult),
}
firstQuery := queryContext.Queries[0]
queryResult := &tsdb.QueryResult{Meta: simplejson.New(), RefId: firstQuery.RefId}
parameters := firstQuery.Model
subType := firstQuery.Model.Get("subtype").MustString()
var data []suggestData
var err error
switch subType {
case "regions":
data, err = e.handleGetRegions(ctx, parameters, queryContext)
break
case "namespaces":
data, err = e.handleGetNamespaces(ctx, parameters, queryContext)
break
case "metrics":
data, err = e.handleGetMetrics(ctx, parameters, queryContext)
break
case "dimension_keys":
data, err = e.handleGetDimensions(ctx, parameters, queryContext)
break
case "dimension_values":
data, err = e.handleGetDimensionValues(ctx, parameters, queryContext)
break
case "ebs_volume_ids":
data, err = e.handleGetEbsVolumeIds(ctx, parameters, queryContext)
break
case "ec2_instance_attribute":
data, err = e.handleGetEc2InstanceAttribute(ctx, parameters, queryContext)
break
}
transformToTable(data, queryResult)
result.Results[firstQuery.RefId] = queryResult
return result, err
}
func transformToTable(data []suggestData, result *tsdb.QueryResult) {
table := &tsdb.Table{
Columns: make([]tsdb.TableColumn, 2),
Rows: make([]tsdb.RowValues, 0),
}
table.Columns[0].Text = "text"
table.Columns[1].Text = "value"
for _, r := range data {
values := make([]interface{}, 2)
values[0] = r.Text
values[1] = r.Value
table.Rows = append(table.Rows, values)
}
result.Tables = append(result.Tables, table)
result.Meta.Set("rowCount", len(data))
}
// Whenever this list is updated, frontend list should also be updated.
// Please update the region list in public/app/plugins/datasource/cloudwatch/partials/config.html
func (e *CloudWatchExecutor) handleGetRegions(ctx context.Context, parameters *simplejson.Json, queryContext *tsdb.TsdbQuery) ([]suggestData, error) {
regions := []string{
"ap-northeast-1", "ap-northeast-2", "ap-southeast-1", "ap-southeast-2", "ap-south-1", "ca-central-1", "cn-north-1",
"eu-central-1", "eu-west-1", "eu-west-2", "sa-east-1", "us-east-1", "us-east-2", "us-gov-west-1", "us-west-1", "us-west-2",
}
result := make([]suggestData, 0)
for _, region := range regions {
result = append(result, suggestData{Text: region, Value: region})
}
return result, nil
}
func (e *CloudWatchExecutor) handleGetNamespaces(ctx context.Context, parameters *simplejson.Json, queryContext *tsdb.TsdbQuery) ([]suggestData, error) {
keys := []string{}
for key := range metricsMap {
keys = append(keys, key)
}
customNamespaces := e.DataSource.JsonData.Get("customMetricsNamespaces").MustString()
if customNamespaces != "" {
keys = append(keys, strings.Split(customNamespaces, ",")...)
}
sort.Sort(sort.StringSlice(keys))
result := make([]suggestData, 0)
for _, key := range keys {
result = append(result, suggestData{Text: key, Value: key})
}
return result, nil
}
func (e *CloudWatchExecutor) handleGetMetrics(ctx context.Context, parameters *simplejson.Json, queryContext *tsdb.TsdbQuery) ([]suggestData, error) {
region := parameters.Get("region").MustString()
namespace := parameters.Get("namespace").MustString()
var namespaceMetrics []string
if !isCustomMetrics(namespace) {
var exists bool
if namespaceMetrics, exists = metricsMap[namespace]; !exists {
return nil, errors.New("Unable to find namespace " + namespace)
}
} else {
var err error
dsInfo := e.getDsInfo(region)
dsInfo.Namespace = namespace
if namespaceMetrics, err = getMetricsForCustomMetrics(dsInfo, getAllMetrics); err != nil {
return nil, errors.New("Unable to call AWS API")
}
}
sort.Sort(sort.StringSlice(namespaceMetrics))
result := make([]suggestData, 0)
for _, name := range namespaceMetrics {
result = append(result, suggestData{Text: name, Value: name})
}
return result, nil
}
func (e *CloudWatchExecutor) handleGetDimensions(ctx context.Context, parameters *simplejson.Json, queryContext *tsdb.TsdbQuery) ([]suggestData, error) {
region := parameters.Get("region").MustString()
namespace := parameters.Get("namespace").MustString()
var dimensionValues []string
if !isCustomMetrics(namespace) {
var exists bool
if dimensionValues, exists = dimensionsMap[namespace]; !exists {
return nil, errors.New("Unable to find dimension " + namespace)
}
} else {
var err error
dsInfo := e.getDsInfo(region)
dsInfo.Namespace = namespace
if dimensionValues, err = getDimensionsForCustomMetrics(dsInfo, getAllMetrics); err != nil {
return nil, errors.New("Unable to call AWS API")
}
}
sort.Sort(sort.StringSlice(dimensionValues))
result := make([]suggestData, 0)
for _, name := range dimensionValues {
result = append(result, suggestData{Text: name, Value: name})
}
return result, nil
}
func (e *CloudWatchExecutor) handleGetDimensionValues(ctx context.Context, parameters *simplejson.Json, queryContext *tsdb.TsdbQuery) ([]suggestData, error) {
region := parameters.Get("region").MustString()
namespace := parameters.Get("namespace").MustString()
metricName := parameters.Get("metricName").MustString()
dimensionKey := parameters.Get("dimensionKey").MustString()
dimensionsJson := parameters.Get("dimensions").MustMap()
var dimensions []*cloudwatch.DimensionFilter
for k, v := range dimensionsJson {
if vv, ok := v.(string); ok {
dimensions = append(dimensions, &cloudwatch.DimensionFilter{
Name: aws.String(k),
Value: aws.String(vv),
})
}
}
metrics, err := e.cloudwatchListMetrics(region, namespace, metricName, dimensions)
if err != nil {
return nil, err
}
result := make([]suggestData, 0)
dupCheck := make(map[string]bool)
for _, metric := range metrics.Metrics {
for _, dim := range metric.Dimensions {
if *dim.Name == dimensionKey {
if _, exists := dupCheck[*dim.Value]; exists {
continue
}
dupCheck[*dim.Value] = true
result = append(result, suggestData{Text: *dim.Value, Value: *dim.Value})
}
}
}
sort.Slice(result, func(i, j int) bool {
return result[i].Text < result[j].Text
})
return result, nil
}
func (e *CloudWatchExecutor) handleGetEbsVolumeIds(ctx context.Context, parameters *simplejson.Json, queryContext *tsdb.TsdbQuery) ([]suggestData, error) {
region := parameters.Get("region").MustString()
instanceId := parameters.Get("instanceId").MustString()
instanceIds := []*string{aws.String(instanceId)}
instances, err := e.ec2DescribeInstances(region, nil, instanceIds)
if err != nil {
return nil, err
}
result := make([]suggestData, 0)
for _, mapping := range instances.Reservations[0].Instances[0].BlockDeviceMappings {
result = append(result, suggestData{Text: *mapping.Ebs.VolumeId, Value: *mapping.Ebs.VolumeId})
}
return result, nil
}
func (e *CloudWatchExecutor) handleGetEc2InstanceAttribute(ctx context.Context, parameters *simplejson.Json, queryContext *tsdb.TsdbQuery) ([]suggestData, error) {
region := parameters.Get("region").MustString()
attributeName := parameters.Get("attributeName").MustString()
filterJson := parameters.Get("filters").MustMap()
var filters []*ec2.Filter
for k, v := range filterJson {
if vv, ok := v.([]string); ok {
var vvvv []*string
for _, vvv := range vv {
vvvv = append(vvvv, &vvv)
}
filters = append(filters, &ec2.Filter{
Name: aws.String(k),
Values: vvvv,
})
}
}
instances, err := e.ec2DescribeInstances(region, filters, nil)
if err != nil {
return nil, err
}
result := make([]suggestData, 0)
dupCheck := make(map[string]bool)
for _, reservation := range instances.Reservations {
for _, instance := range reservation.Instances {
tags := make(map[string]string)
for _, tag := range instance.Tags {
tags[*tag.Key] = *tag.Value
}
var data string
if strings.Index(attributeName, "Tags.") == 0 {
tagName := attributeName[5:]
data = tags[tagName]
} else {
attributePath := strings.Split(attributeName, ".")
v := reflect.ValueOf(instance)
for _, key := range attributePath {
if v.Kind() == reflect.Ptr {
v = v.Elem()
}
if v.Kind() != reflect.Struct {
return nil, errors.New("invalid attribute path")
}
v = v.FieldByName(key)
}
if attr, ok := v.Interface().(*string); ok {
data = *attr
} else {
return nil, errors.New("invalid attribute path")
}
}
if _, exists := dupCheck[data]; exists {
continue
}
dupCheck[data] = true
result = append(result, suggestData{Text: data, Value: data})
}
}
sort.Slice(result, func(i, j int) bool {
return result[i].Text < result[j].Text
})
return result, nil
}
func (e *CloudWatchExecutor) cloudwatchListMetrics(region string, namespace string, metricName string, dimensions []*cloudwatch.DimensionFilter) (*cloudwatch.ListMetricsOutput, error) {
svc, err := e.getClient(region)
if err != nil {
return nil, err
}
params := &cloudwatch.ListMetricsInput{
Namespace: aws.String(namespace),
MetricName: aws.String(metricName),
Dimensions: dimensions,
}
var resp cloudwatch.ListMetricsOutput
err = svc.ListMetricsPages(params,
func(page *cloudwatch.ListMetricsOutput, lastPage bool) bool {
metrics.M_Aws_CloudWatch_ListMetrics.Inc()
metrics, _ := awsutil.ValuesAtPath(page, "Metrics")
for _, metric := range metrics {
resp.Metrics = append(resp.Metrics, metric.(*cloudwatch.Metric))
}
return !lastPage
})
if err != nil {
return nil, errors.New("Failed to call cloudwatch:ListMetrics")
}
return &resp, nil
}
func (e *CloudWatchExecutor) ec2DescribeInstances(region string, filters []*ec2.Filter, instanceIds []*string) (*ec2.DescribeInstancesOutput, error) {
dsInfo := e.getDsInfo(region)
cfg, err := e.getAwsConfig(dsInfo)
if err != nil {
return nil, errors.New("Failed to call ec2:DescribeInstances")
}
sess, err := session.NewSession(cfg)
if err != nil {
return nil, errors.New("Failed to call ec2:DescribeInstances")
}
svc := ec2.New(sess, cfg)
params := &ec2.DescribeInstancesInput{
Filters: filters,
InstanceIds: instanceIds,
}
var resp ec2.DescribeInstancesOutput
err = svc.DescribeInstancesPages(params,
func(page *ec2.DescribeInstancesOutput, lastPage bool) bool {
reservations, _ := awsutil.ValuesAtPath(page, "Reservations")
for _, reservation := range reservations {
resp.Reservations = append(resp.Reservations, reservation.(*ec2.Reservation))
}
return !lastPage
})
if err != nil {
return nil, errors.New("Failed to call ec2:DescribeInstances")
}
return &resp, nil
}
func getAllMetrics(cwData *DatasourceInfo) (cloudwatch.ListMetricsOutput, error) {
creds, err := GetCredentials(cwData)
if err != nil {
return cloudwatch.ListMetricsOutput{}, err
}
cfg := &aws.Config{
Region: aws.String(cwData.Region),
Credentials: creds,
}
sess, err := session.NewSession(cfg)
if err != nil {
return cloudwatch.ListMetricsOutput{}, err
}
svc := cloudwatch.New(sess, cfg)
params := &cloudwatch.ListMetricsInput{
Namespace: aws.String(cwData.Namespace),
}
var resp cloudwatch.ListMetricsOutput
err = svc.ListMetricsPages(params,
func(page *cloudwatch.ListMetricsOutput, lastPage bool) bool {
metrics.M_Aws_CloudWatch_ListMetrics.Inc()
metrics, _ := awsutil.ValuesAtPath(page, "Metrics")
for _, metric := range metrics {
resp.Metrics = append(resp.Metrics, metric.(*cloudwatch.Metric))
}
return !lastPage
})
if err != nil {
return resp, err
}
return resp, nil
}
var metricsCacheLock sync.Mutex
func getMetricsForCustomMetrics(dsInfo *DatasourceInfo, getAllMetrics func(*DatasourceInfo) (cloudwatch.ListMetricsOutput, error)) ([]string, error) {
metricsCacheLock.Lock()
defer metricsCacheLock.Unlock()
if _, ok := customMetricsMetricsMap[dsInfo.Profile]; !ok {
customMetricsMetricsMap[dsInfo.Profile] = make(map[string]map[string]*CustomMetricsCache)
}
if _, ok := customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region]; !ok {
customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region] = make(map[string]*CustomMetricsCache)
}
if _, ok := customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace]; !ok {
customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace] = &CustomMetricsCache{}
customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache = make([]string, 0)
}
if customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Expire.After(time.Now()) {
return customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache, nil
}
result, err := getAllMetrics(dsInfo)
if err != nil {
return []string{}, err
}
customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache = make([]string, 0)
customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Expire = time.Now().Add(5 * time.Minute)
for _, metric := range result.Metrics {
if isDuplicate(customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache, *metric.MetricName) {
continue
}
customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache = append(customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache, *metric.MetricName)
}
return customMetricsMetricsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache, nil
}
var dimensionsCacheLock sync.Mutex
func getDimensionsForCustomMetrics(dsInfo *DatasourceInfo, getAllMetrics func(*DatasourceInfo) (cloudwatch.ListMetricsOutput, error)) ([]string, error) {
dimensionsCacheLock.Lock()
defer dimensionsCacheLock.Unlock()
if _, ok := customMetricsDimensionsMap[dsInfo.Profile]; !ok {
customMetricsDimensionsMap[dsInfo.Profile] = make(map[string]map[string]*CustomMetricsCache)
}
if _, ok := customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region]; !ok {
customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region] = make(map[string]*CustomMetricsCache)
}
if _, ok := customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace]; !ok {
customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace] = &CustomMetricsCache{}
customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache = make([]string, 0)
}
if customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Expire.After(time.Now()) {
return customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache, nil
}
result, err := getAllMetrics(dsInfo)
if err != nil {
return []string{}, err
}
customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache = make([]string, 0)
customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Expire = time.Now().Add(5 * time.Minute)
for _, metric := range result.Metrics {
for _, dimension := range metric.Dimensions {
if isDuplicate(customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache, *dimension.Name) {
continue
}
customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache = append(customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.Namespace].Cache, *dimension.Name)
}
}
return customMetricsDimensionsMap[dsInfo.Profile][dsInfo.Region][dsInfo.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
}