mirror of https://github.com/go-gitea/gitea
Use import of OCI structs (#22765)
Fixes #22758 Otherwise we would need to rewrite the structs in `oci.go`.pull/22776/head
KN4CK3R
2 years ago
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GitHub
parent
361d807274
commit
f8c1e14a13
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// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package oci |
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import ( |
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"regexp" |
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"strings" |
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) |
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var digestPattern = regexp.MustCompile(`\Asha256:[a-f0-9]{64}\z`) |
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type Digest string |
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// Validate checks if the digest has a valid SHA256 signature
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func (d Digest) Validate() bool { |
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return digestPattern.MatchString(string(d)) |
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} |
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func (d Digest) Hash() string { |
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p := strings.SplitN(string(d), ":", 2) |
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if len(p) != 2 { |
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return "" |
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} |
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return p[1] |
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} |
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// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package oci |
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import ( |
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"strings" |
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) |
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const ( |
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MediaTypeImageManifest = "application/vnd.oci.image.manifest.v1+json" |
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MediaTypeImageIndex = "application/vnd.oci.image.index.v1+json" |
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MediaTypeDockerManifest = "application/vnd.docker.distribution.manifest.v2+json" |
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MediaTypeDockerManifestList = "application/vnd.docker.distribution.manifest.list.v2+json" |
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) |
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type MediaType string |
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// IsValid tests if the media type is in the OCI or Docker namespace
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func (m MediaType) IsValid() bool { |
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s := string(m) |
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return strings.HasPrefix(s, "application/vnd.docker.") || strings.HasPrefix(s, "application/vnd.oci.") |
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} |
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// IsImageManifest tests if the media type is an image manifest
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func (m MediaType) IsImageManifest() bool { |
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s := string(m) |
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return strings.EqualFold(s, MediaTypeDockerManifest) || strings.EqualFold(s, MediaTypeImageManifest) |
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} |
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// IsImageIndex tests if the media type is an image index
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func (m MediaType) IsImageIndex() bool { |
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s := string(m) |
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return strings.EqualFold(s, MediaTypeDockerManifestList) || strings.EqualFold(s, MediaTypeImageIndex) |
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} |
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// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package oci |
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import ( |
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"time" |
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) |
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// https://github.com/opencontainers/image-spec/tree/main/specs-go/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,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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} |
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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, 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 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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// 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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// Variant is the variant of the specified CPU architecture which image binaries are intended to run on.
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Variant string `json:"variant,omitempty"` |
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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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// OSVersion is an optional field specifying the operating system
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// version, for example on Windows `10.0.14393.1066`.
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OSVersion string `json:"os.version,omitempty"` |
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// OSFeatures is an optional field specifying an array of strings,
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// each listing a required OS feature (for example on Windows `win32k`).
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OSFeatures []string `json:"os.features,omitempty"` |
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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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// Descriptor describes the disposition of targeted content.
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// This structure provides `application/vnd.oci.descriptor.v1+json` mediatype
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// when marshalled to JSON.
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type Descriptor struct { |
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// MediaType is the media type of the object this schema refers to.
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MediaType MediaType `json:"mediaType,omitempty"` |
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// Digest is the digest of the targeted content.
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Digest Digest `json:"digest"` |
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// Size specifies the size in bytes of the blob.
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Size int64 `json:"size"` |
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// URLs specifies a list of URLs from which this object MAY be downloaded
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URLs []string `json:"urls,omitempty"` |
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// Annotations contains arbitrary metadata relating to the targeted content.
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Annotations map[string]string `json:"annotations,omitempty"` |
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// Data is an embedding of the targeted content. This is encoded as a base64
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// string when marshalled to JSON (automatically, by encoding/json). If
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// present, Data can be used directly to avoid fetching the targeted content.
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Data []byte `json:"data,omitempty"` |
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// Platform describes the platform which the image in the manifest runs on.
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//
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// This should only be used when referring to a manifest.
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Platform *Platform `json:"platform,omitempty"` |
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} |
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// Platform describes the platform which the image in the manifest runs on.
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type Platform struct { |
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// Architecture field specifies the CPU architecture, for example
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// `amd64` or `ppc64`.
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Architecture string `json:"architecture"` |
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// OS specifies the operating system, for example `linux` or `windows`.
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OS string `json:"os"` |
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// OSVersion is an optional field specifying the operating system
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// version, for example on Windows `10.0.14393.1066`.
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OSVersion string `json:"os.version,omitempty"` |
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// OSFeatures is an optional field specifying an array of strings,
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// each listing a required OS feature (for example on Windows `win32k`).
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OSFeatures []string `json:"os.features,omitempty"` |
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// Variant is an optional field specifying a variant of the CPU, for
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// example `v7` to specify ARMv7 when architecture is `arm`.
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Variant string `json:"variant,omitempty"` |
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} |
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type SchemaMediaBase struct { |
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// SchemaVersion is the image manifest schema that this image follows
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SchemaVersion int `json:"schemaVersion"` |
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// MediaType specifies the type of this document data structure e.g. `application/vnd.oci.image.manifest.v1+json`
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MediaType MediaType `json:"mediaType,omitempty"` |
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} |
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// Manifest provides `application/vnd.oci.image.manifest.v1+json` mediatype structure when marshalled to JSON.
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type Manifest struct { |
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SchemaMediaBase |
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// Config references a configuration object for a container, by digest.
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// The referenced configuration object is a JSON blob that the runtime uses to set up the container.
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Config Descriptor `json:"config"` |
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// Layers is an indexed list of layers referenced by the manifest.
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Layers []Descriptor `json:"layers"` |
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// Annotations contains arbitrary metadata for the image manifest.
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Annotations map[string]string `json:"annotations,omitempty"` |
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} |
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// Index references manifests for various platforms.
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// This structure provides `application/vnd.oci.image.index.v1+json` mediatype when marshalled to JSON.
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type Index struct { |
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SchemaMediaBase |
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// Manifests references platform specific manifests.
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Manifests []Descriptor `json:"manifests"` |
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// Annotations contains arbitrary metadata for the image index.
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Annotations map[string]string `json:"annotations,omitempty"` |
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} |
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@ -1,16 +0,0 @@ |
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// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package oci |
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import ( |
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"regexp" |
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) |
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var referencePattern = regexp.MustCompile(`\A[a-zA-Z0-9_][a-zA-Z0-9._-]{0,127}\z`) |
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type Reference string |
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func (r Reference) Validate() bool { |
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return referencePattern.MatchString(string(r)) |
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} |
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