{
	"$schema": "http://json-schema.org/draft-04/schema#",
	"title": "cloud-init plugin manifest",
	"type": "object",
	"properties": {
		"system": {
			"type": "object",
			"properties": {
				"release": {
					"type": "string",
					"enum": ["wheezy", "stable",
					         "jessie", "testing",
					         "sid", "unstable"]
				}
			}
		},
		"plugins": {
			"type": "object",
			"properties": {
				"cloud_init": {
					"type": "object",
					"properties": {
						"username": {
							"type": "string"
						},
						"disable_modules": {
							"type": "array",
							"items": {
								"type": "string"
							},
							"uniqueItems": true
						},
						"metadata_sources": {
							"type": "string"
						}
					},
					"required": ["username"]
				},
				"packages":   {"type": "object"}
			},
			"required": ["cloud_init"]
		}
	}
}