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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
| package vpc | ||
|
|
||
| import ( | ||
| "errors" | ||
|
|
||
| "github.com/aws/amazon-vpc-cni-k8s/pkg/utils/logger" | ||
| ) | ||
|
|
||
| type NetworkCard struct { | ||
| // max number of interfaces supported per card | ||
| MaximumNetworkInterfaces int64 | ||
| // the index of current card | ||
| NetworkCardIndex int64 | ||
| NetworkPerformance string | ||
| } | ||
|
|
||
| // InstanceTypeLimits keeps track of limits for an instance type | ||
| type InstanceTypeLimits struct { | ||
| ENILimit int | ||
| IPv4Limit int | ||
| DefaultNetworkCardIndex int | ||
| NetworkCards []NetworkCard | ||
| HypervisorType string | ||
| IsBareMetal bool | ||
| } | ||
|
|
||
| var ErrInstanceTypeNotExist = errors.New("instance type does not exist") | ||
| var ErrNoInfo = errors.New("no info on instance type due to not being publicly available") | ||
|
|
||
| var log = logger.Get() | ||
|
|
||
| func New(eniLimit int, ipv4Limit int, defaultNetworkCardIndex int, networkCards []NetworkCard, | ||
| hypervisorType string, isBareMetalInstance bool) InstanceTypeLimits { | ||
| return InstanceTypeLimits{ | ||
| ENILimit: eniLimit, | ||
| IPv4Limit: ipv4Limit, | ||
| NetworkCards: networkCards, | ||
| HypervisorType: hypervisorType, | ||
| IsBareMetal: isBareMetalInstance, | ||
| DefaultNetworkCardIndex: defaultNetworkCardIndex, | ||
| } | ||
| } | ||
|
|
||
| func GetENILimit(instanceType string) (int, error) { | ||
| instance, ok := GetInstance(instanceType) | ||
| if !ok { | ||
| log.Errorf("%s: %s", instanceType, ErrInstanceTypeNotExist) | ||
| return -1, ErrInstanceTypeNotExist | ||
| } | ||
| return instance.ENILimit, nil | ||
| } | ||
|
|
||
| func GetIPv4Limit(instanceType string) (int, error) { | ||
| instance, ok := GetInstance(instanceType) | ||
| if !ok { | ||
| log.Errorf("%s: %s", instanceType, ErrInstanceTypeNotExist) | ||
| return -1, ErrInstanceTypeNotExist | ||
| } | ||
| return instance.IPv4Limit, nil | ||
| } | ||
|
|
||
| func GetDefaultNetworkCardIndex(instanceType string) (int, error) { | ||
| instance, ok := GetInstance(instanceType) | ||
| if !ok { | ||
| log.Errorf("%s: %s", instanceType, ErrInstanceTypeNotExist) | ||
| return -1, ErrInstanceTypeNotExist | ||
| } | ||
| return instance.DefaultNetworkCardIndex, nil | ||
| } | ||
|
|
||
| func GetHypervisorType(instanceType string) (string, error) { | ||
| instance, ok := GetInstance(instanceType) | ||
| if !ok { | ||
| log.Errorf("%s: %s", instanceType, ErrInstanceTypeNotExist) | ||
| return "", ErrInstanceTypeNotExist | ||
| } | ||
| return instance.HypervisorType, nil | ||
| } | ||
|
|
||
| func GetIsBareMetal(instanceType string) (bool, error) { | ||
| instance, ok := GetInstance(instanceType) | ||
| if !ok { | ||
| log.Errorf("%s: %s", instanceType, ErrInstanceTypeNotExist) | ||
| return false, ErrInstanceTypeNotExist | ||
| } | ||
| return instance.IsBareMetal, nil | ||
| } | ||
|
|
||
| func GetNetworkCards(instanceType string) ([]NetworkCard, error) { | ||
| instance, ok := GetInstance(instanceType) | ||
| if !ok { | ||
| log.Errorf("%s: %s", instanceType, ErrInstanceTypeNotExist) | ||
| return nil, ErrInstanceTypeNotExist | ||
| } | ||
| if len(instance.NetworkCards) < 1 { | ||
| log.Errorf("%s: %s", instanceType, ErrNoInfo) | ||
| return nil, ErrNoInfo | ||
| } | ||
| return instance.NetworkCards, nil | ||
| } | ||
|
|
||
| func GetInstance(instanceType string) (InstanceTypeLimits, bool) { | ||
| instance, ok := instanceNetworkingLimits[instanceType] | ||
| if !ok { | ||
| return InstanceTypeLimits{}, ok | ||
| } | ||
| return instance, ok | ||
| } | ||
|
|
||
| func SetInstance(instanceType string, eniLimit int, ipv4Limit int, defaultNetworkCardIndex int, networkCards []NetworkCard, hypervisorType string, isBareMetalInstance bool) { | ||
| instanceNetworkingLimits[instanceType] = New(eniLimit, ipv4Limit, defaultNetworkCardIndex, networkCards, | ||
| hypervisorType, isBareMetalInstance) | ||
| } |
4 changes: 2 additions & 2 deletions
4
pkg/awsutils/vpc_ip_resource_limit.go → pkg/vpc/vpc_ip_resource_limit.go
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