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aws.go
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/
aws.go
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// Package nodespec gives us access to provider-specific node specification.
package nodespec
import (
"github.com/giantswarm/microerror"
"gopkg.in/yaml.v2"
)
var (
// specYAML is the raw data on all necessary AWS instance types taken from
// https://github.com/giantswarm/installations/blob/master/default-draughtsman-configmap-values.yaml
// Warning: YAML in Golang is super fragile. There must not be any tabs in this string, otherwise
// the marshalling will fail. However we will likely detect this in CI when running tests.
awsInstanceTypesYAML = `
c5.large:
cpu_cores: 2
description: C5 Compute Optimized Large
memory_size_gb: 4
storage_size_gb: 0
c5.xlarge:
cpu_cores: 4
description: C5 Compute Optimized Extra Large
memory_size_gb: 8
storage_size_gb: 0
c5.2xlarge:
cpu_cores: 8
description: C5 Compute Optimized Double Extra Large
memory_size_gb: 16
storage_size_gb: 0
c5.4xlarge:
cpu_cores: 16
description: C5 Compute Optimized Quadruple Extra Large
memory_size_gb: 32
storage_size_gb: 0
c5.9xlarge:
cpu_cores: 36
description: C5 Compute Optimized Nonuple Extra Large
memory_size_gb: 72
storage_size_gb: 0
i3.xlarge:
cpu_cores: 4
description: I3 Storage Optimized Extra Large
memory_size_gb: 30.5
storage_size_gb: 950
m3.2xlarge:
cpu_cores: 8
description: M3 General Purpose Double Extra Large
memory_size_gb: 30
storage_size_gb: 80
m3.large:
cpu_cores: 2
description: M3 General Purpose Large
memory_size_gb: 7.5
storage_size_gb: 32
m3.xlarge:
cpu_cores: 4
description: M3 General Purpose Extra Large
memory_size_gb: 15
storage_size_gb: 40
m4.2xlarge:
cpu_cores: 8
description: M4 General Purpose Double Extra Large
memory_size_gb: 32
storage_size_gb: 0
m4.4xlarge:
cpu_cores: 16
description: M4 General Purpose Four Extra Large
memory_size_gb: 64
storage_size_gb: 0
m4.large:
cpu_cores: 2
description: M4 General Purpose Large
memory_size_gb: 8
storage_size_gb: 0
m4.xlarge:
cpu_cores: 4
description: M4 General Purpose Extra Large
memory_size_gb: 16
storage_size_gb: 0
r3.2xlarge:
cpu_cores: 8
description: R3 High-Memory Double Extra Large
memory_size_gb: 61
storage_size_gb: 160
r3.4xlarge:
cpu_cores: 16
description: R3 High-Memory Quadruple Extra Large
memory_size_gb: 122
storage_size_gb: 320
r3.8xlarge:
cpu_cores: 32
description: R3 High-Memory Eight Extra Large
memory_size_gb: 244
storage_size_gb: 320
r3.large:
cpu_cores: 2
description: R3 High-Memory Large
memory_size_gb: 15.25
storage_size_gb: 32
r3.xlarge:
cpu_cores: 4
description: R3 High-Memory Extra Large
memory_size_gb: 30.5
storage_size_gb: 80
r5.xlarge:
cpu_cores: 4
description: R5 High-Memory Extra Large
memory_size_gb: 32
storage_size_gb: 0
r5.2xlarge:
cpu_cores: 8
description: R5 High-Memory Double Extra Large
memory_size_gb: 64
storage_size_gb: 0
r5.4xlarge:
cpu_cores: 16
description: R5 High-Memory Quadruple Extra Large
memory_size_gb: 128
storage_size_gb: 0
r5.8xlarge:
cpu_cores: 32
description: R5 High-Memory Eight Extra Large
memory_size_gb: 256
storage_size_gb: 0
r5.12xlarge:
cpu_cores: 48
description: R5 High-Memory Twelve Extra Large
memory_size_gb: 284
storage_size_gb: 0
t2.2xlarge:
cpu_cores: 8
description: T2 General Purpose Double Extra Large
memory_size_gb: 32
storage_size_gb: 0
t2.large:
cpu_cores: 2
description: T2 General Purpose Large
memory_size_gb: 8
storage_size_gb: 0
t2.xlarge:
cpu_cores: 4
description: T2 General Purpose Extra Large
memory_size_gb: 16
storage_size_gb: 0
m5.large:
cpu_cores: 2
description: M5 General Purpose Large
memory_size_gb: 8
storage_size_gb: 0
m5.xlarge:
cpu_cores: 4
description: M5 General Purpose Extra Large
memory_size_gb: 16
storage_size_gb: 0
m5.2xlarge:
cpu_cores: 8
description: M5 General Purpose Double Extra Large
memory_size_gb: 32
storage_size_gb: 0
m5.4xlarge:
cpu_cores: 16
description: M5 General Purpose Quadruple Extra Large
memory_size_gb: 64
storage_size_gb: 0
m5.8xlarge:
cpu_cores: 32
description: M5 General Purpose 8x Extra Large
memory_size_gb: 128
storage_size_gb: 0
m5.12xlarge:
cpu_cores: 48
description: M5 General Purpose 12x Extra Large
memory_size_gb: 192
storage_size_gb: 0
m5.16xlarge:
cpu_cores: 64
description: M5 General Purpose 16x Extra Large
memory_size_gb: 256
storage_size_gb: 0
m5.24xlarge:
cpu_cores: 96
description: M5 General Purpose 24x Extra Large
memory_size_gb: 384
storage_size_gb: 0
p2.xlarge:
cpu_cores: 4
description: P2 Extra Large providing GPUs
memory_size_gb: 61
storage_size_gb: 0
p3.2xlarge:
cpu_cores: 8
description: P3 Double Extra Large providing GPUs
memory_size_gb: 61
storage_size_gb: 0
p3.8xlarge:
cpu_cores: 32
description: P3 Eight Extra Large providing GPUs
memory_size_gb: 244
storage_size_gb: 0
`
)
// ProviderAWS contains all provider specific info
type ProviderAWS struct {
instanceTypes map[string]InstanceType
}
// InstanceType describes an AWS instance type
type InstanceType struct {
CPUCores int `yaml:"cpu_cores"`
Description string `yaml:"description"`
MemorySizeGB int `yaml:"memory_size_gb"`
StorageSizeGB int `yaml:"storage_size_gb"`
}
// NewAWS initiates a
func NewAWS() (*ProviderAWS, error) {
p := &ProviderAWS{}
err := yaml.Unmarshal([]byte(awsInstanceTypesYAML), &p.instanceTypes)
if err != nil {
return nil, microerror.Mask(err)
}
return p, nil
}
// GetInstanceTypeDetails returns info on a certain instance type
func (p *ProviderAWS) GetInstanceTypeDetails(name string) (*InstanceType, error) {
instanceType, ok := p.instanceTypes[name]
if ok {
return &instanceType, nil
}
return nil, microerror.Mask(instanceTypeNotFoundErr)
}