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[#167] doc: Generate doc for attribute escaping description

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Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
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Pavel Karpy 2021-08-16 12:02:46 +03:00 committed by Stanislav Bogatyrev
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commit 3cc5852f3f
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proto-docs/netmap.md
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@ -231,6 +231,17 @@ Administrator-defined Attributes of the NeoFS Storage Node.
`Attribute` is a Key-Value metadata pair. Key name must be a valid UTF-8
string. Value can't be empty.
Attributes can be constructed into a chain of attributes: any attribute can
have a parent attribute and a child attribute (except the first and the last
one). A string representation of the chain of attributes in NeoFS Storage
Node configuration uses ":" and "/" symbols, e.g.:
`NEOFS_NODE_ATTRIBUTE_1=key1:val1/key2:val2`
Therefore the string attribute representation in the Node configuration must
use "\:", "\/" and "\\" escaped symbols if any of them appears in an attribute's
key or value.
Node's attributes are mostly used during Storage Policy evaluation to
calculate object's placement and find a set of nodes satisfying policy
requirements. There are some "well-known" node attributes common to all the