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Chapter 14. PinnedImageSet [machineconfiguration.openshift.io/v1]

Description

PinnedImageSet describes a set of images that should be pinned by CRI-O and pulled to the nodes which are members of the declared MachineConfigPools.

Compatibility level 1: Stable within a major release for a minimum of 12 months or 3 minor releases (whichever is longer).

Type
object
Required
  • spec

14.1. Specification
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Expand
PropertyTypeDescription

apiVersion

string

APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources

kind

string

Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds

metadata

ObjectMeta

Standard object’s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata

spec

object

spec describes the configuration of this pinned image set.

14.1.1. .spec
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Description
spec describes the configuration of this pinned image set.
Type
object
Required
  • pinnedImages
Expand
PropertyTypeDescription

pinnedImages

array

pinnedImages is a list of OCI Image referenced by digest that should be pinned and pre-loaded by the nodes of a MachineConfigPool. Translates into a new file inside the /etc/crio/crio.conf.d directory with content similar to this:

pinned_images = [ "quay.io/openshift-release-dev/ocp-release@sha256:…​", "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:…​", "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:…​", …​ ]

Image references must be by digest. A maximum of 500 images may be specified.

pinnedImages[]

object

PinnedImageRef represents a reference to an OCI image

14.1.2. .spec.pinnedImages
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Description

pinnedImages is a list of OCI Image referenced by digest that should be pinned and pre-loaded by the nodes of a MachineConfigPool. Translates into a new file inside the /etc/crio/crio.conf.d directory with content similar to this: 

pinned_images = [
        "quay.io/openshift-release-dev/ocp-release@sha256:...",
        "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:...",
        "quay.io/openshift-release-dev/ocp-v4.0-art-dev@sha256:...",
        ...
]
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Image references must be by digest. A maximum of 500 images may be specified.

Type
array

14.1.3. .spec.pinnedImages[]
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Description
PinnedImageRef represents a reference to an OCI image
Type
object
Required
  • name
Expand
PropertyTypeDescription

name

string

name is an OCI Image referenced by digest. The format of the image pull spec is: host[:port][/namespace]/name@sha256:<digest>, where the digest must be 64 characters long, and consist only of lowercase hexadecimal characters, a-f and 0-9. The length of the whole spec must be between 1 to 447 characters.

14.2. API endpoints
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The following API endpoints are available:

  • /apis/machineconfiguration.openshift.io/v1/pinnedimagesets

    • DELETE: delete collection of PinnedImageSet
    • GET: list objects of kind PinnedImageSet
    • POST: create a PinnedImageSet

  • /apis/machineconfiguration.openshift.io/v1/pinnedimagesets/{name}

    • DELETE: delete a PinnedImageSet
    • GET: read the specified PinnedImageSet
    • PATCH: partially update the specified PinnedImageSet
    • PUT: replace the specified PinnedImageSet

14.2.1. /apis/machineconfiguration.openshift.io/v1/pinnedimagesets
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HTTP method
DELETE
Description
delete collection of PinnedImageSet
Expand
Table 14.1. HTTP responses
HTTP codeReponse body

200 - OK

Status schema

401 - Unauthorized

Empty

HTTP method
GET
Description
list objects of kind PinnedImageSet
Expand
Table 14.2. HTTP responses
HTTP codeReponse body

200 - OK

PinnedImageSetList schema

401 - Unauthorized

Empty

HTTP method
POST
Description
create a PinnedImageSet
Expand
Table 14.3. Query parameters
ParameterTypeDescription

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

fieldValidation

string

fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered.

Expand
Table 14.4. Body parameters
ParameterTypeDescription

body

PinnedImageSet schema

 
Expand
Table 14.5. HTTP responses
HTTP codeReponse body

200 - OK

PinnedImageSet schema

201 - Created

PinnedImageSet schema

202 - Accepted

PinnedImageSet schema

401 - Unauthorized

Empty

14.2.2. /apis/machineconfiguration.openshift.io/v1/pinnedimagesets/{name}
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Expand
Table 14.6. Global path parameters
ParameterTypeDescription

name

string

name of the PinnedImageSet

HTTP method
DELETE
Description
delete a PinnedImageSet
Expand
Table 14.7. Query parameters
ParameterTypeDescription

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

Expand
Table 14.8. HTTP responses
HTTP codeReponse body

200 - OK

Status schema

202 - Accepted

Status schema

401 - Unauthorized

Empty

HTTP method
GET
Description
read the specified PinnedImageSet
Expand
Table 14.9. HTTP responses
HTTP codeReponse body

200 - OK

PinnedImageSet schema

401 - Unauthorized

Empty

HTTP method
PATCH
Description
partially update the specified PinnedImageSet
Expand
Table 14.10. Query parameters
ParameterTypeDescription

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

fieldValidation

string

fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered.

Expand
Table 14.11. HTTP responses
HTTP codeReponse body

200 - OK

PinnedImageSet schema

401 - Unauthorized

Empty

HTTP method
PUT
Description
replace the specified PinnedImageSet
Expand
Table 14.12. Query parameters
ParameterTypeDescription

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

fieldValidation

string

fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered.

Expand
Table 14.13. Body parameters
ParameterTypeDescription

body

PinnedImageSet schema

 
Expand
Table 14.14. HTTP responses
HTTP codeReponse body

200 - OK

PinnedImageSet schema

201 - Created

PinnedImageSet schema

401 - Unauthorized

Empty

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