100 lines
3.6 KiB
Go
100 lines
3.6 KiB
Go
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// Copyright 2016 The Linux Foundation
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package v1
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// ImageConfig defines the execution parameters which should be used as a base when running a container using an image.
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type ImageConfig struct {
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// User defines the username or UID which the process in the container should run as.
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User string `json:"User"`
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// Memory defines the memory limit.
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Memory int64 `json:"Memory"`
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// MemorySwap defines the total memory usage limit (memory + swap).
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MemorySwap int64 `json:"MemorySwap"`
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// CPUShares is the CPU shares (relative weight vs. other containers).
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CPUShares int64 `json:"CpuShares"`
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// ExposedPorts a set of ports to expose from a container running this image.
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ExposedPorts map[string]struct{} `json:"ExposedPorts"`
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// Env is a list of environment variables to be used in a container.
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Env []string `json:"Env"`
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// Entrypoint defines a list of arguments to use as the command to execute when the container starts.
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Entrypoint []string `json:"Entrypoint"`
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// Cmd defines the default arguments to the entrypoint of the container.
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Cmd []string `json:"Cmd"`
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// Volumes is a set of directories which should be created as data volumes in a container running this image.
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Volumes map[string]struct{} `json:"Volumes"`
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// WorkingDir sets the current working directory of the entrypoint process in the container.
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WorkingDir string `json:"WorkingDir"`
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}
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// RootFS describes a layer content addresses
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type RootFS struct {
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// Type is the type of the rootfs.
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Type string `json:"type"`
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// DiffIDs is an array of layer content hashes (DiffIDs), in order from bottom-most to top-most.
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DiffIDs []string `json:"diff_ids"`
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}
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// History describes the history of a layer.
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type History struct {
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// Created is the creation time.
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Created string `json:"created"`
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// CreatedBy is the command which created the layer.
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CreatedBy string `json:"created_by"`
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// Author is the author of the build point.
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Author string `json:"author"`
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// Comment is a custom message set when creating the layer.
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Comment string `json:"comment"`
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// EmptyLayer is used to mark if the history item created a filesystem diff.
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EmptyLayer bool `json:"empty_layer"`
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}
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// Image is the JSON structure which describes some basic information about the image.
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type Image struct {
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// Created defines an ISO-8601 formatted combined date and time at which the image was created.
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Created string `json:"created"`
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// Author defines the name and/or email address of the person or entity which created and is responsible for maintaining the image.
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Author string `json:"author"`
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// Architecture is the CPU architecture which the binaries in this image are built to run on.
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Architecture string `json:"architecture"`
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// OS is the name of the operating system which the image is built to run on.
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OS string `json:"os"`
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// Config defines the execution parameters which should be used as a base when running a container using the image.
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Config ImageConfig `json:"config"`
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// RootFS references the layer content addresses used by the image.
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RootFS RootFS `json:"rootfs"`
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// History describes the history of each layer.
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History []History `json:"history"`
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}
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