subiquity/doc/reference/autoinstall-schema.rst

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.. _autoinstall_schema:
Autoinstall schema
******************
The server installer validates the provided autoinstall configuration against a
:ref:`JSON schema<autoinstall_JSON_schema>`.
How the configuration is validated
==================================
Although the schema is presented below as a single document, and if you want
to pre-validate your configuration you should validate it against this document, the
configuration is not actually validated against this document at run time. What
happens instead is that some sections are loaded, validated, and applied
first, before all other sections are validated. In detail:
1. The reporting section is loaded, validated and applied.
2. The error commands are loaded and validated.
3. The early commands are loaded and validated.
4. The early commands, if any, are run.
5. The configuration is reloaded, and now all sections are loaded and validated.
This is so that validation errors in most sections can be reported via the
reporting and error-commands configuration, as all other errors are.
.. _autoinstall_JSON_schema:
Schema
======
The `JSON schema`_ for autoinstall data is as follows:
.. code-block:: JSON
"type": "object",
"properties": {
"version": {
"type": "integer",
"minimum": 1,
"maximum": 1
},
"early-commands": {
"type": "array",
"items": {
"type": [
"string",
"array"
],
"items": {
"type": "string"
}
}
},
"reporting": {
"type": "object",
"additionalProperties": {
"type": "object",
"properties": {
"type": {
"type": "string"
}
},
"required": [
"type"
],
"additionalProperties": true
}
},
"error-commands": {
"type": "array",
"items": {
"type": [
"string",
"array"
],
"items": {
"type": "string"
}
}
},
"user-data": {
"type": "object"
},
"packages": {
"type": "array",
"items": {
"type": "string"
}
},
"debconf-selections": {
"type": "string"
},
"locale": {
"type": "string"
},
"refresh-installer": {
"type": "object",
"properties": {
"update": {
"type": "boolean"
},
"channel": {
"type": "string"
}
},
"additionalProperties": false
},
"kernel": {
"type": "object",
"properties": {
"package": {
"type": "string"
},
"flavor": {
"type": "string"
}
},
"oneOf": [
{
"type": "object",
"required": [
"package"
]
},
{
"type": "object",
"required": [
"flavor"
]
}
]
},
"keyboard": {
"type": "object",
"properties": {
"layout": {
"type": "string"
},
"variant": {
"type": "string"
},
"toggle": {
"type": [
"string",
"null"
]
}
},
"required": [
"layout"
],
"additionalProperties": false
},
"source": {
"type": "object",
"properties": {
"search_drivers": {
"type": "boolean"
},
"id": {
"type": "string"
}
}
},
"network": {
"oneOf": [
{
"type": "object",
"properties": {
"version": {
"type": "integer",
"minimum": 2,
"maximum": 2
},
"ethernets": {
"type": "object",
"properties": {
"match": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"macaddress": {
"type": "string"
},
"driver": {
"type": "string"
}
},
"additionalProperties": false
}
}
},
"wifis": {
"type": "object",
"properties": {
"match": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"macaddress": {
"type": "string"
},
"driver": {
"type": "string"
}
},
"additionalProperties": false
}
}
},
"bridges": {
"type": "object"
},
"bonds": {
"type": "object"
},
"tunnels": {
"type": "object"
},
"vlans": {
"type": "object"
}
},
"required": [
"version"
]
},
{
"type": "object",
"properties": {
"network": {
"type": "object",
"properties": {
"version": {
"type": "integer",
"minimum": 2,
"maximum": 2
},
"ethernets": {
"type": "object",
"properties": {
"match": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"macaddress": {
"type": "string"
},
"driver": {
"type": "string"
}
},
"additionalProperties": false
}
}
},
"wifis": {
"type": "object",
"properties": {
"match": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"macaddress": {
"type": "string"
},
"driver": {
"type": "string"
}
},
"additionalProperties": false
}
}
},
"bridges": {
"type": "object"
},
"bonds": {
"type": "object"
},
"tunnels": {
"type": "object"
},
"vlans": {
"type": "object"
}
},
"required": [
"version"
]
}
},
"required": [
"network"
]
}
]
},
"ubuntu-pro": {
"type": "object",
"properties": {
"token": {
"type": "string",
"minLength": 24,
"maxLength": 30,
"pattern": "^C[1-9A-HJ-NP-Za-km-z]+$",
"description": "A valid token starts with a C and is followed by 23 to 29 Base58 characters.\nSee https://pkg.go.dev/github.com/btcsuite/btcutil/base58#CheckEncode"
}
}
},
"ubuntu-advantage": {
"type": "object",
"properties": {
"token": {
"type": "string",
"minLength": 24,
"maxLength": 30,
"pattern": "^C[1-9A-HJ-NP-Za-km-z]+$",
"description": "A valid token starts with a C and is followed by 23 to 29 Base58 characters.\nSee https://pkg.go.dev/github.com/btcsuite/btcutil/base58#CheckEncode"
}
},
"deprecated": true,
"description": "Compatibility only - use ubuntu-pro instead"
},
"proxy": {
"type": [
"string",
"null"
],
"format": "uri"
},
"apt": {
"type": "object",
"properties": {
"preserve_sources_list": {
"type": "boolean"
},
"primary": {
"type": "array"
},
"mirror-selection": {
"type": "object",
"properties": {
"primary": {
"type": "array",
"items": {
"anyOf": [
{
"type": "string",
"const": "country-mirror"
},
{
"type": "object",
"properties": {
"uri": {
"type": "string"
},
"arches": {
"type": "array",
"items": {
"type": "string"
}
}
},
"required": [
"uri"
]
}
]
}
}
}
},
"geoip": {
"type": "boolean"
},
"sources": {
"type": "object"
},
"disable_components": {
"type": "array",
"items": {
"type": "string",
"enum": [
"universe",
"multiverse",
"restricted",
"contrib",
"non-free"
]
}
},
"preferences": {
"type": "array",
"items": {
"type": "object",
"properties": {
"package": {
"type": "string"
},
"pin": {
"type": "string"
},
"pin-priority": {
"type": "integer"
}
},
"required": [
"package",
"pin",
"pin-priority"
]
}
},
"fallback": {
"type": "string",
"enum": [
"abort",
"continue-anyway",
"offline-install"
]
}
}
},
"storage": {
"type": "object"
},
"identity": {
"type": "object",
"properties": {
"realname": {
"type": "string"
},
"username": {
"type": "string"
},
"hostname": {
"type": "string"
},
"password": {
"type": "string"
}
},
"required": [
"username",
"hostname",
"password"
],
"additionalProperties": false
},
"ssh": {
"type": "object",
"properties": {
"install-server": {
"type": "boolean"
},
"authorized-keys": {
"type": "array",
"items": {
"type": "string"
}
},
"allow-pw": {
"type": "boolean"
}
}
},
"snaps": {
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {
"type": "string"
},
"channel": {
"type": "string"
},
"classic": {
"type": "boolean"
}
},
"required": [
"name"
],
"additionalProperties": false
}
},
"active-directory": {
"type": "object",
"properties": {
"admin-name": {
"type": "string"
},
"domain-name": {
"type": "string"
}
},
"additionalProperties": false
},
"codecs": {
"type": "object",
"properties": {
"install": {
"type": "boolean"
}
}
},
"drivers": {
"type": "object",
"properties": {
"install": {
"type": "boolean"
}
}
},
"oem": {
"type": "object",
"properties": {
"install": {
"oneOf": [
{
"type": "boolean"
},
{
"type": "string",
"const": "auto"
}
]
}
},
"required": [
"install"
]
},
"timezone": {
"type": "string"
},
"updates": {
"type": "string",
"enum": [
"security",
"all"
]
},
"late-commands": {
"type": "array",
"items": {
"type": [
"string",
"array"
],
"items": {
"type": "string"
}
}
},
"shutdown": {
"type": "string",
"enum": [
"reboot",
"poweroff"
]
}
},
"required": [
"version"
],
"additionalProperties": true
}
Regeneration
============
The schema above can be regenerated by running ``make schema`` in a Subiquity
source checkout.
.. LINKS
.. _JSON schema: https://json-schema.org/