nodegroup

package

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Versions in this module

v0

v0.9.0

Jun 16, 2026

v0.8.0

Jun 15, 2026

Changes in this version

type NodegroupSummary

+ ReadyKnown bool

type ServiceImpl

+ func (s *ServiceImpl) CheckInstanceTypeAvailability(ctx context.Context, clusterName, nodegroupName string) ([]UnavailableOffering, error)

+ type UnavailableOffering struct

+ AvailabilityZone string

+ InstanceType string

v0.7.0

Jun 13, 2026

Changes in this version

type ServiceImpl

+ func (s *ServiceImpl) PodDisruptionBudgets(ctx context.Context) ([]health.PDBInfo, error)

v0.6.0

Jun 6, 2026

v0.5.12

May 14, 2026

v0.5.11

Apr 30, 2026

v0.5.2

Apr 30, 2026

v0.5.1

Apr 30, 2026

v0.5.0

Apr 29, 2026

v0.4.1

Jan 13, 2026

v0.4.0

Jan 12, 2026

Changes in this version

+ type ASGClient interface

+ DescribeAutoScalingGroups func(ctx context.Context, params *autoscaling.DescribeAutoScalingGroupsInput, ...) (*autoscaling.DescribeAutoScalingGroupsOutput, error)

type CostAnalyzer

+ func (c *CostAnalyzer) CalculateSpotSavings(ctx context.Context, instanceType string) (savingsPercent float64, ok bool)

+ func (c *CostAnalyzer) CompareCosts(ctx context.Context, instanceType string, nodeCount int) (*CostComparison, error)

+ func (c *CostAnalyzer) EstimateSpotUSD(ctx context.Context, instanceType string) (perHour float64, perMonth float64, ok bool)

+ func (c *CostAnalyzer) GetFallbackPrice(instanceType string) (perHour float64, perMonth float64, ok bool)

+ func (c *CostAnalyzer) GetSpotPricesByAZ(ctx context.Context, instanceType string) ([]SpotPriceResult, error)

+ func (c *CostAnalyzer) SetEC2Client(ec2Client *ec2.Client)

+ type CostComparison struct

+ EstimatedRisk string

+ InstanceType string

+ OnDemandHourly float64

+ OnDemandMonthly float64

+ RecommendedCapacity string

+ SavingsPercent float64

+ SpotHourly float64

+ SpotMonthly float64

+ type NodegroupAnalysisData struct

+ CPUUtil UtilizationData

+ CapacityType string

+ DesiredSize int32

+ HasCPUData bool

+ HasCostData bool

+ HourlyCost float64

+ InstanceType string

+ Instances []InstanceDetails

+ MaxSize int32

+ MinSize int32

+ MonthlyCost float64

+ Name string

+ type RecommendationsAnalyzer struct

+ func NewRecommendationsAnalyzer(eksClient EKSAPI, ec2Client *ec2.Client, asgClient ASGClient, ...) *RecommendationsAnalyzer

+ func (a *RecommendationsAnalyzer) AnalyzeNodegroups(ctx context.Context, clusterName string, options RecommendationOptions) ([]Recommendation, error)

+ type SpotPriceResult struct

+ AvailabilityZone string

+ InstanceType string

+ SpotPrice float64

+ Timestamp time.Time

type UtilizationCollector

+ func (u *UtilizationCollector) CollectAllMetrics(ctx context.Context, instanceIDs []string, window string) UtilizationMetrics

+ func (u *UtilizationCollector) CollectDiskForInstances(ctx context.Context, instanceIDs []string, window string) (UtilizationData, bool)

+ func (u *UtilizationCollector) CollectMemoryForInstances(ctx context.Context, instanceIDs []string, window string) (UtilizationData, bool)

+ func (u *UtilizationCollector) CollectNetworkForInstances(ctx context.Context, instanceIDs []string, window string) (UtilizationData, bool)

v0.3.0

Jan 12, 2026

v0.2.2

Dec 3, 2025

Changes in this version

type EKSAPI

+ DescribeCluster func(ctx context.Context, params *eks.DescribeClusterInput, ...) (*eks.DescribeClusterOutput, error)

type NodegroupDetails

+ AMIStatus types.AMIStatus

+ CurrentAMI string

+ LatestAMI string

type NodegroupSummary

+ AMIStatus types.AMIStatus

+ CurrentAMI string

v0.2.1

Aug 8, 2025

Changes in this version

+ type Cache struct

+ func NewCache() *Cache

+ func (c *Cache) Get(key string) (any, bool)

+ func (c *Cache) Set(key string, value any, ttl time.Duration)

+ type CostAnalysis struct

+ CostBreakdown CostBreakdown

+ CostPerNode float64

+ CurrentMonthlyCost float64

+ OptimizationPotential float64

+ ProjectedMonthlyCost float64

+ type CostAnalyzer struct

+ func NewCostAnalyzer(p *pricing.Client, logger *slog.Logger, cache *Cache, region string) *CostAnalyzer

+ func (c *CostAnalyzer) EstimateOnDemandUSD(ctx context.Context, instanceType string) (perHour float64, perMonth float64, ok bool)

+ type CostBreakdown struct

+ type DescribeOptions struct

+ ShowCosts bool

+ ShowInstances bool

+ ShowOptimization bool

+ ShowUtilization bool

+ ShowWorkloads bool

+ Timeframe string

+ type EKSAPI interface

+ DescribeNodegroup func(ctx context.Context, params *eks.DescribeNodegroupInput, ...) (*eks.DescribeNodegroupOutput, error)

+ ListNodegroups func(ctx context.Context, params *eks.ListNodegroupsInput, ...) (*eks.ListNodegroupsOutput, error)

+ UpdateNodegroupConfig func(ctx context.Context, params *eks.UpdateNodegroupConfigInput, ...) (*eks.UpdateNodegroupConfigOutput, error)

+ type InstanceDetails struct

+ AZ string

+ InstanceID string

+ InstanceType string

+ LaunchTime time.Time

+ Lifecycle string

+ State string

+ type ListOptions struct

+ Filters map[string]string

+ ShowCosts bool

+ ShowHealth bool

+ ShowInstances bool

+ ShowUtilization bool

+ Timeframe string

+ type NodegroupDetails struct

+ AmiType string

+ CapacityType string

+ Cost CostAnalysis

+ Health *health.HealthStatus

+ InstanceType string

+ Instances []InstanceDetails

+ Name string

+ Recommendations []Recommendation

+ Scaling ScalingConfig

+ Status string

+ Utilization UtilizationMetrics

+ Workloads WorkloadInfo

+ type NodegroupSummary struct

+ Cost SummaryCost

+ DesiredSize int32

+ InstanceType string

+ Metrics SummaryMetrics

+ Name string

+ ReadyNodes int32

+ Status string

+ type Recommendation struct

+ Description string

+ ExpectedSavings float64

+ Impact string

+ Implementation string

+ Priority string

+ RiskLevel string

+ Type string

+ type RecommendationOptions struct

+ CostOptimization bool

+ Nodegroup string

+ PerformanceOptimization bool

+ RightSizing bool

+ SpotAnalysis bool

+ Timeframe string

+ type ScaleOptions struct

+ CheckPDBs bool

+ DryRun bool

+ HealthCheck bool

+ Timeout time.Duration

+ Wait bool

+ type ScalingConfig struct

+ AutoScaling bool

+ DesiredSize int32

+ MaxSize int32

+ MinSize int32

+ type Service interface

+ Describe func(ctx context.Context, clusterName, nodegroupName string, ...) (*NodegroupDetails, error)

+ GetRecommendations func(ctx context.Context, clusterName string, options RecommendationOptions) ([]Recommendation, error)

+ List func(ctx context.Context, clusterName string, options ListOptions) ([]NodegroupSummary, error)

+ Scale func(ctx context.Context, clusterName, nodegroupName string, ...) error

+ type ServiceImpl struct

+ func NewService(awsConfig aws.Config, healthChecker *health.HealthChecker, logger *slog.Logger) *ServiceImpl

+ func (s *ServiceImpl) Describe(ctx context.Context, clusterName, nodegroupName string, ...) (*NodegroupDetails, error)

+ func (s *ServiceImpl) GetRecommendations(ctx context.Context, clusterName string, options RecommendationOptions) ([]Recommendation, error)

+ func (s *ServiceImpl) List(ctx context.Context, clusterName string, options ListOptions) ([]NodegroupSummary, error)

+ func (s *ServiceImpl) Scale(ctx context.Context, clusterName, nodegroupName string, ...) error

+ type SummaryCost struct

+ Monthly float64

+ type SummaryMetrics struct

+ CPU float64

+ type UtilizationCollector struct

+ func NewUtilizationCollector(cw *cloudwatch.Client, logger *slog.Logger, cache *Cache) *UtilizationCollector

+ func (u *UtilizationCollector) CollectBasicCPU(ctx context.Context, clusterName, nodegroupName, timeframe string) (UtilizationData, bool)

+ func (u *UtilizationCollector) CollectEC2CPUForInstances(ctx context.Context, instanceIDs []string, window string) (UtilizationData, bool)

+ type UtilizationData struct

+ Average float64

+ Current float64

+ Peak float64

+ Trend string

+ type UtilizationMetrics struct

+ CPU UtilizationData

+ Memory UtilizationData

+ Network UtilizationData

+ Storage UtilizationData

+ TimeRange string

+ type WorkloadInfo struct

+ CriticalPods int

+ PodDisruption string

+ TotalPods int

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