/
limits.go
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/
limits.go
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// Copyright 2019 Authors of Cilium
// Copyright 2017 Lyft, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License 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 eni
// Limits specifies the ENI relevant instance limits
type Limits struct {
// Adapters specifies the maximum number of ENIs that can be attached
// to the instance
Adapters int
// IPv4 is the maximum number of IPv4 addresses per ENI
IPv4 int
// IPv6 is the maximum number of IPv6 addresses per ENI
IPv6 int
}
// limit contains limits for adapter count and addresses
//
// Source: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-eni.html?shortFooter=true#AvailableIpPerENI
var limits = map[string]Limits{
"a1.medium": {2, 4, 4},
"a1.large": {3, 10, 10},
"a1.xlarge": {4, 15, 15},
"a1.2xlarge": {4, 15, 15},
"a1.4xlarge": {8, 30, 30},
"c1.medium": {2, 6, 0},
"c1.xlarge": {4, 15, 0},
"c3.large": {3, 10, 10},
"c3.xlarge": {4, 15, 15},
"c3.2xlarge": {4, 15, 15},
"c3.4xlarge": {8, 30, 30},
"c3.8xlarge": {8, 30, 30},
"c4.large": {3, 10, 10},
"c4.xlarge": {4, 15, 15},
"c4.2xlarge": {4, 15, 15},
"c4.4xlarge": {8, 30, 30},
"c4.8xlarge": {8, 30, 30},
"c5.large": {3, 10, 10},
"c5.xlarge": {4, 15, 15},
"c5.2xlarge": {4, 15, 15},
"c5.4xlarge": {8, 30, 30},
"c5.9xlarge": {8, 30, 30},
"c5.12xlarge": {8, 30, 30},
"c5.18xlarge": {15, 50, 50},
"c5.24xlarge": {15, 50, 50},
"c5.metal": {15, 50, 50},
"c5d.large": {3, 10, 10},
"c5d.xlarge": {4, 15, 15},
"c5d.2xlarge": {4, 15, 15},
"c5d.4xlarge": {8, 30, 30},
"c5d.9xlarge": {8, 30, 30},
"c5d.18xlarge": {15, 50, 50},
"c5n.large": {3, 10, 10},
"c5n.xlarge": {4, 15, 15},
"c5n.2xlarge": {4, 15, 15},
"c5n.4xlarge": {8, 30, 30},
"c5n.9xlarge": {8, 30, 30},
"c5n.18xlarge": {15, 50, 50},
"c5n.metal": {15, 50, 50},
"cc2.8xlarge": {8, 30, 0},
"cr1.8xlarge": {8, 30, 0},
"d2.xlarge": {4, 15, 15},
"d2.2xlarge": {4, 15, 15},
"d2.4xlarge": {8, 30, 30},
"d2.8xlarge": {8, 30, 30},
"f1.2xlarge": {4, 15, 15},
"f1.4xlarge": {8, 30, 30},
"f1.16xlarge": {8, 50, 50},
"g2.2xlarge": {4, 15, 0},
"g2.8xlarge": {8, 30, 0},
"g3s.xlarge": {4, 15, 15},
"g3.4xlarge": {8, 30, 30},
"g3.8xlarge": {8, 30, 30},
"g3.16xlarge": {15, 50, 50},
"h1.2xlarge": {4, 15, 15},
"h1.4xlarge": {8, 30, 30},
"h1.8xlarge": {8, 30, 30},
"h1.16xlarge": {15, 50, 50},
"hs1.8xlarge": {8, 30, 0},
"i2.xlarge": {4, 15, 15},
"i2.2xlarge": {4, 15, 15},
"i2.4xlarge": {8, 30, 30},
"i2.8xlarge": {8, 30, 30},
"i3.large": {3, 10, 10},
"i3.xlarge": {4, 15, 15},
"i3.2xlarge": {4, 15, 15},
"i3.4xlarge": {8, 30, 30},
"i3.8xlarge": {8, 30, 30},
"i3.16xlarge": {15, 50, 50},
"i3.metal": {15, 50, 50},
"i3en.large": {3, 10, 10},
"i3en.xlarge": {4, 15, 15},
"i3en.2xlarge": {4, 15, 15},
"i3en.3xlarge": {4, 15, 15},
"i3en.6xlarge": {8, 30, 30},
"i3en.12xlarge": {8, 30, 30},
"i3en.24xlarge": {15, 50, 50},
"i3en.metal": {15, 50, 50},
"m1.small": {2, 4, 0},
"m1.medium": {2, 6, 0},
"m1.large": {3, 10, 0},
"m1.xlarge": {4, 15, 0},
"m2.xlarge": {4, 15, 0},
"m2.2xlarge": {4, 30, 0},
"m2.4xlarge": {8, 30, 0},
"m3.medium": {2, 6, 0},
"m3.large": {3, 10, 0},
"m3.xlarge": {4, 15, 0},
"m3.2xlarge": {4, 30, 0},
"m4.large": {2, 10, 10},
"m4.xlarge": {4, 15, 15},
"m4.2xlarge": {4, 15, 15},
"m4.4xlarge": {8, 30, 30},
"m4.10xlarge": {8, 30, 30},
"m4.16xlarge": {8, 30, 30},
"m5.large": {3, 10, 10},
"m5.xlarge": {4, 15, 15},
"m5.2xlarge": {4, 15, 15},
"m5.4xlarge": {8, 30, 30},
"m5.8xlarge": {8, 30, 30},
"m5.12xlarge": {8, 30, 30},
"m5.16xlarge": {15, 50, 50},
"m5.24xlarge": {15, 50, 50},
"m5.metal": {15, 50, 50},
"m5a.large": {3, 10, 10},
"m5a.xlarge": {4, 15, 15},
"m5a.2xlarge": {4, 15, 15},
"m5a.4xlarge": {8, 30, 30},
"m5a.8xlarge": {8, 30, 30},
"m5a.12xlarge": {8, 30, 30},
"m5a.16xlarge": {15, 50, 50},
"m5a.24xlarge": {15, 50, 50},
"m5ad.large": {3, 10, 10},
"m5ad.xlarge": {4, 15, 15},
"m5ad.2xlarge": {4, 15, 15},
"m5ad.4xlarge": {8, 30, 30},
"m5ad.12xlarge": {8, 30, 30},
"m5ad.24xlarge": {15, 50, 50},
"m5d.large": {3, 10, 10},
"m5d.xlarge": {4, 15, 15},
"m5d.2xlarge": {4, 15, 15},
"m5d.4xlarge": {8, 30, 30},
"m5d.8xlarge": {8, 30, 30},
"m5d.12xlarge": {8, 30, 30},
"m5d.16xlarge": {15, 50, 50},
"m5d.24xlarge": {15, 50, 50},
"m5d.metal": {15, 50, 50},
"p2.xlarge": {4, 15, 15},
"p2.8xlarge": {8, 30, 30},
"p2.16xlarge": {8, 30, 30},
"p3.2xlarge": {4, 15, 15},
"p3.8xlarge": {8, 30, 30},
"p3.16xlarge": {8, 30, 30},
"p3dn.24xlarge": {15, 50, 50},
"r3.large": {3, 10, 10},
"r3.xlarge": {4, 15, 15},
"r3.2xlarge": {4, 15, 15},
"r3.4xlarge": {8, 30, 30},
"r3.8xlarge": {8, 30, 30},
"r4.large": {3, 10, 10},
"r4.xlarge": {4, 15, 15},
"r4.2xlarge": {4, 15, 15},
"r4.4xlarge": {8, 30, 30},
"r4.8xlarge": {8, 30, 30},
"r4.16xlarge": {15, 50, 50},
"r5.large": {3, 10, 10},
"r5.xlarge": {4, 15, 15},
"r5.2xlarge": {4, 15, 15},
"r5.4xlarge": {8, 30, 30},
"r5.8xlarge": {8, 30, 30},
"r5.12xlarge": {8, 30, 30},
"r5.16xlarge": {15, 50, 50},
"r5.24xlarge": {15, 50, 50},
"r5.metal": {15, 50, 50},
"r5a.large": {3, 10, 10},
"r5a.xlarge": {4, 15, 15},
"r5a.2xlarge": {4, 15, 15},
"r5a.4xlarge": {8, 30, 30},
"r5a.8xlarge": {8, 30, 30},
"r5a.12xlarge": {8, 30, 30},
"r5a.16xlarge": {15, 50, 50},
"r5a.24xlarge": {15, 50, 50},
"r5ad.large": {3, 10, 10},
"r5ad.xlarge": {4, 15, 15},
"r5ad.2xlarge": {4, 15, 15},
"r5ad.4xlarge": {8, 30, 30},
"r5ad.12xlarge": {8, 30, 30},
"r5ad.24xlarge": {15, 50, 50},
"r5d.large": {3, 10, 10},
"r5d.xlarge": {4, 15, 15},
"r5d.2xlarge": {4, 15, 15},
"r5d.4xlarge": {8, 30, 30},
"r5d.8xlarge": {8, 30, 30},
"r5d.12xlarge": {8, 30, 30},
"r5d.16xlarge": {15, 50, 50},
"r5d.24xlarge": {15, 50, 50},
"r5d.metal": {15, 50, 50},
"t1.micro": {2, 2, 0},
"t2.nano": {2, 2, 2},
"t2.micro": {2, 2, 2},
"t2.small": {3, 4, 4},
"t2.medium": {3, 6, 6},
"t2.large": {3, 12, 12},
"t2.xlarge": {3, 15, 15},
"t2.2xlarge": {3, 15, 15},
"t3.nano": {2, 2, 2},
"t3.micro": {2, 2, 2},
"t3.small": {3, 4, 4},
"t3.medium": {3, 6, 6},
"t3.large": {3, 12, 12},
"t3.xlarge": {4, 15, 15},
"t3.2xlarge": {4, 15, 15},
"t3a.nano": {2, 2, 2},
"t3a.micro": {2, 2, 2},
"t3a.small": {2, 4, 4},
"t3a.medium": {3, 6, 6},
"t3a.large": {3, 12, 12},
"t3a.xlarge": {4, 15, 15},
"t3a.2xlarge": {4, 15, 15},
"u-6tb1.metal": {5, 30, 30},
"u-9tb1.metal": {5, 30, 30},
"u-12tb1.metal": {5, 30, 30},
"x1.16xlarge": {8, 30, 30},
"x1.32xlarge": {8, 30, 30},
"x1e.xlarge": {3, 10, 10},
"x1e.2xlarge": {4, 15, 15},
"x1e.4xlarge": {4, 15, 15},
"x1e.8xlarge": {4, 15, 15},
"x1e.16xlarge": {8, 30, 30},
"x1e.32xlarge": {8, 30, 30},
"z1d.large": {3, 10, 10},
"z1d.xlarge": {4, 15, 15},
"z1d.2xlarge": {4, 15, 15},
"z1d.3xlarge": {8, 30, 30},
"z1d.6xlarge": {8, 30, 30},
"z1d.12xlarge": {15, 50, 50},
"z1d.metal": {15, 50, 50},
}
// GetLimits returns the instance limits of a particular instance type
func GetLimits(instanceType string) (limit Limits, ok bool) {
limit, ok = limits[instanceType]
return
}