Prerequisites
To create a release, the following prerequisites must be met:- CLI installed - install the Miru CLI on your development machine and authenticate using the login command
- Local Git repository - the release’s schemas must be committed to a local Git repository
- Config types annotations - each schema must be annotated with its config type
Config schemas
A release may be created with any number of config schemas, but it must contain at least one. Schemas don’t need to be created separately from releases. Instead, the CLI creates the schemas in the same command as the release itself. Since schemas may belong to multiple releases, specifying schemas which already exist in Miru is perfectly valid. The CLI simply attaches the schemas to the release. The CLI identifies schemas by hashing their content. Schemas with equivalent content are considered identical in Miru (even if the comments, spacing, or other formatting is different).Define the schemas
Schemas must be defined in a supported schema language. You can find example schemas in our getting-started repository. If you’re not sure which language to use, we recommend starting with JSON Schema — it’s the most widely used and easiest to get started with. If you don’t currently use a schema, we recommend starting with an empty schema, one that regards all config instances as valid. Over time, you can gradually add constraints to make it more strict.Schema annotations
Annotations are a convenient way to store metadata with your schemas. Most annotations are optional, but some are required for Miru to process the schemas correctly.The config type is a required annotation that identifies the config type to which a schema belongs. Below is the syntax for annotating a schema with a config type slug.Examples:
mobility, safety-features, perceptioninstance file path
The instance file path is the file system location that config instances for this schema are deployed to relative to the Examples:
/srv/miru/config_instances directory.This annotation is optional and defaults to {config-type-slug}.json, which deploys config instances to /srv/miru/config_instances/{config-type-slug}.json on a given device./v1/mobility.json, /safety.json, configs/perception.jsonCUE packages
CUE supports the concept of a package—a way to spread a schema’s definition across multiple files. For example, say we have acommunication schema which contains the following files:
communication
peripherals.cue
network.cue
sensors.cue
main.cue
main.cue file to define the schema. Miru fully supports CUE packages, treating the communication directory as a single schema.
Identifying packages
The Miru CLI automatically identifies CUE packages for you when creating a release using the package clause at the top of each schema file (as described in the CUE documentation).
You don’t need to explicitly specify the package in the CLI command—just provide the path to the package directory or to the individual schema files within the package.
Annotations
To annotate a CUE package, annotate exactly one file in the package. Annotating multiple files or no files will result in an error.
Git commit
When creating a release, the CLI captures the following Git metadata from the local Git repository where the CLI is run:| Metadata | Description |
|---|---|
| Commit SHA | The SHA of the current commit |
| Origin URL | The remote URL of the Git repository |
| File paths | The file paths of the schemas relative to the repository root |
Supported Git providers
The following Git providers are currently supported:- GitHub
- GitLab
- Bitbucket
Requirements
To be able to capture Git metadata, the provided config schemas must meet the following requirements when creating a release via the CLI:- Schemas must be defined in a local Git repository
- The Git repository must have a remote URL (e.g., GitHub, GitLab, Bitbucket).
- The schema’s latest changes must be committed to the Git repository before pushing to Miru (cannot be dirty or unstaged)
CLI command
Once you’ve defined the schemas and committed them to Git, you’re ready to create a release.Usage
You must specify two flags when creating a release: the version and the schemas. Schemas can be specified as a directory or as individual files.- Schema Directory
- Schema Files
Use the
--schemas flag to specify a directory containing the schemas to include in the release.Flags
Below are the CLI flags which can be specified when creating a release.A semantic version, unique for a given release.Versions must be dot-separated integers. You may optionally use a
v prefix, a prerelease suffix (e.g. -alpha.X, -beta.X, -rc.X), or a build suffix (e.g. +build-metadata).Examples: v1, 1, v2.1, 2.1, v3.2.1, 3.2.1, v4.3.2-beta.1, 4.3.2-rc.1, v5.4.3+metadata, 6.5.4-beta.2+metadataA directory containing the config schemas to include in the release. May be specified multiple times for multiple directories.Must be specified if no schema files are provided.Examples:
./schemasThe path to a config schema to include in the release. May be specified multiple times to include multiple schemas.Must be specified if no schema directory is provided.Examples:
./schemas/schema1.yaml, ./schemas/schema2.yamlExamples
Below are some examples of what the CLI command might look like when creating a release.- New schemas
- Existing schemas
If the provided git commit and schemas do not exist in Miru, they are created and attached to the new release. This is indicated by the
(new) suffix in the output.command


