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96 lines
3.8 KiB
Protocol Buffer
96 lines
3.8 KiB
Protocol Buffer
/*
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Copyright The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// This file was autogenerated by go-to-protobuf. Do not edit it manually!
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syntax = 'proto2';
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package k8s.io.apimachinery.pkg.api.resource;
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import "k8s.io/apimachinery/pkg/util/intstr/generated.proto";
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// Package-wide variables from generator "generated".
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option go_package = "resource";
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// Quantity is a fixed-point representation of a number.
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// It provides convenient marshaling/unmarshaling in JSON and YAML,
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// in addition to String() and Int64() accessors.
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//
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// The serialization format is:
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//
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// <quantity> ::= <signedNumber><suffix>
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// (Note that <suffix> may be empty, from the "" case in <decimalSI>.)
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// <digit> ::= 0 | 1 | ... | 9
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// <digits> ::= <digit> | <digit><digits>
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// <number> ::= <digits> | <digits>.<digits> | <digits>. | .<digits>
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// <sign> ::= "+" | "-"
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// <signedNumber> ::= <number> | <sign><number>
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// <suffix> ::= <binarySI> | <decimalExponent> | <decimalSI>
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// <binarySI> ::= Ki | Mi | Gi | Ti | Pi | Ei
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// (International System of units; See: http://physics.nist.gov/cuu/Units/binary.html)
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// <decimalSI> ::= m | "" | k | M | G | T | P | E
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// (Note that 1024 = 1Ki but 1000 = 1k; I didn't choose the capitalization.)
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// <decimalExponent> ::= "e" <signedNumber> | "E" <signedNumber>
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//
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// No matter which of the three exponent forms is used, no quantity may represent
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// a number greater than 2^63-1 in magnitude, nor may it have more than 3 decimal
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// places. Numbers larger or more precise will be capped or rounded up.
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// (E.g.: 0.1m will rounded up to 1m.)
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// This may be extended in the future if we require larger or smaller quantities.
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//
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// When a Quantity is parsed from a string, it will remember the type of suffix
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// it had, and will use the same type again when it is serialized.
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//
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// Before serializing, Quantity will be put in "canonical form".
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// This means that Exponent/suffix will be adjusted up or down (with a
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// corresponding increase or decrease in Mantissa) such that:
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// a. No precision is lost
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// b. No fractional digits will be emitted
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// c. The exponent (or suffix) is as large as possible.
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// The sign will be omitted unless the number is negative.
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//
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// Examples:
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// 1.5 will be serialized as "1500m"
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// 1.5Gi will be serialized as "1536Mi"
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//
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// NOTE: We reserve the right to amend this canonical format, perhaps to
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// allow 1.5 to be canonical.
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// TODO: Remove above disclaimer after all bikeshedding about format is over,
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// or after March 2015.
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//
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// Note that the quantity will NEVER be internally represented by a
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// floating point number. That is the whole point of this exercise.
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//
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// Non-canonical values will still parse as long as they are well formed,
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// but will be re-emitted in their canonical form. (So always use canonical
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// form, or don't diff.)
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//
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// This format is intended to make it difficult to use these numbers without
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// writing some sort of special handling code in the hopes that that will
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// cause implementors to also use a fixed point implementation.
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//
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// +protobuf=true
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// +protobuf.embed=string
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// +protobuf.options.marshal=false
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// +protobuf.options.(gogoproto.goproto_stringer)=false
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// +k8s:deepcopy-gen=true
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// +k8s:openapi-gen=true
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message Quantity {
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optional string string = 1;
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}
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