import jsl


class TargetInfo(jsl.Document):
    docker = jsl.ArrayField(jsl.StringField(), max_items=2)
    rsync = jsl.ArrayField(jsl.StringField(), max_items=2)
    containers = jsl.ArrayField([
        jsl.StringField(),
        jsl.ArrayField(jsl.StringField())
    ])

import jsl


class TargetInfo(jsl.Document):
    docker = jsl.ArrayField([
        jsl.StringField(),
        jsl.OneOfField([jsl.StringField(), jsl.NullField()])
    ])
    rsync = jsl.ArrayField([
        jsl.StringField(),
        jsl.OneOfField([jsl.StringField(), jsl.NullField()])
    ])
    containers = jsl.ArrayField([
        jsl.StringField(),
        jsl.ArrayField(jsl.StringField())
    ])

Correct the target info schema: docker and rsync messages are Null in case of success. Suggested by @vinzenz and corrected by @artmello.
Correct the target info schema: docker and rsync messages are Null in case of
success. Suggested by @vinzenz and corrected by @artmello.
