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ORMB

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ORMB is a project that uses image registry to distribute machine learning models. Users can upload and download models through commands ormb pull and ormb push just like docker pull and docker push.

Check out the ORMB Introduction Doc to see why you want to use ORMB.

What is ormbfile?

ormbfile.yaml, which is similar to Dockerfile, is a configuration file defined by ORMB. Users can describe the model information by filling in format, framework, signature and other fields in ormbfile.yaml. Refer to spec-v1alpha1.md for detailed fields.

ORMB commands

ormb login

ORMB uses image registry to store models and distributes machine learning models just like Docker images. You can login to the image registry through ormb login.

$ ormb login  --insecure harbor.ormb.xyz -u root -p password
Using config file: /Users/Fog/.ormb/config.json
Using /Users/Fog/.ormb as the root path
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
Login insecurely
Login succeeded

ormb save

ormb save will store the model files in the model directory into the local cache and simultaneously parses ormbfile.yaml to get the model metadata. The model will be converted to the following format:

type Model struct {
	// Metadata is the contents of the Chartfile.
	Metadata *Metadata `json:"metadata,omitempty"`
	Path     string    `json:"path,omitempty"`
	Content  []byte    `json:"content,omitempty"`
	Config   []byte    `json:"config,omitempty"`
}

Then the model will be stored in the cache in the following format:

// CacheRefSummary contains as much info as available describing a chart reference in cache
// Note: fields here are sorted by the order in which they are set in FetchReference method
type CacheRefSummary struct {
	Name         string
	Repo         string
	Tag          string
	Exists       bool
	Manifest     *ocispec.Descriptor
	Config       *ocispec.Descriptor
	ContentLayer *ocispec.Descriptor
	Size         int64
	Digest       digest.Digest
	CreatedAt    time.Time
	Model        *model.Model
}

Command format:

ormb save <model directory> projectName/modelName:modelVersion

ormb tag

ormb tag is similar to docker tag, the tag of the model can be changed by the command.

Command format:

ormb tag ormbtest/fashion_model:v1 ormbtest/fashion_model:v2

ormb push

ormb push pushes the models from local cache to the remote registry.

Command format:

ormb push projectName/modelName:modelVersion

ormb pull

ormb pull pulls the models from the remote registry to local cache.

Command format:

ormb pull projectName/modelName:modelVersion

ormb export

ormb export exports the models from local cache to the current directory.

Command format:

ormb export projectName/modelName:modelVersion

Contributing to ORMB

ORMB is an open source project based on Apache 2.0 open source licenses. If you'd like to contribute to the ORMB project, please refer to our Contributor's guide.