mirror of
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112 lines
4.4 KiB
Go
112 lines
4.4 KiB
Go
// 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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import (
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"time"
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digest "github.com/opencontainers/go-digest"
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)
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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,omitempty"`
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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,omitempty"`
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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,omitempty"`
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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,omitempty"`
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// Cmd defines the default arguments to the entrypoint of the container.
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Cmd []string `json:"Cmd,omitempty"`
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// Volumes is a set of directories describing where the process is likely write data specific to a container instance.
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Volumes map[string]struct{} `json:"Volumes,omitempty"`
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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,omitempty"`
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// Labels contains arbitrary metadata for the container.
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Labels map[string]string `json:"Labels,omitempty"`
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// StopSignal contains the system call signal that will be sent to the container to exit.
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StopSignal string `json:"StopSignal,omitempty"`
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// ArgsEscaped
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//
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// Deprecated: This field is present only for legacy compatibility with
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// Docker and should not be used by new image builders. It is used by Docker
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// for Windows images to indicate that the `Entrypoint` or `Cmd` or both,
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// contains only a single element array, that is a pre-escaped, and combined
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// into a single string `CommandLine`. If `true` the value in `Entrypoint` or
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// `Cmd` should be used as-is to avoid double escaping.
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// https://github.com/opencontainers/image-spec/pull/892
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ArgsEscaped bool `json:"ArgsEscaped,omitempty"`
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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 []digest.Digest `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 combined date and time at which the layer was created, formatted as defined by RFC 3339, section 5.6.
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Created *time.Time `json:"created,omitempty"`
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// CreatedBy is the command which created the layer.
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CreatedBy string `json:"created_by,omitempty"`
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// Author is the author of the build point.
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Author string `json:"author,omitempty"`
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// Comment is a custom message set when creating the layer.
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Comment string `json:"comment,omitempty"`
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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,omitempty"`
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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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// This provides the `application/vnd.oci.image.config.v1+json` mediatype when marshalled to JSON.
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type Image struct {
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// Created is the combined date and time at which the image was created, formatted as defined by RFC 3339, section 5.6.
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Created *time.Time `json:"created,omitempty"`
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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,omitempty"`
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// Platform describes the platform which the image in the manifest runs on.
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Platform
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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,omitempty"`
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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,omitempty"`
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}
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