frostfs-api/container/types.proto
Bruk Ori 527fe93e5d
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[#68] Ensure compatibility of different API versions with each other.
Remove unnecessary language options.
Update linters.
Signed-off-by: Ori Bruk <o.bruk@yadro.com>
2024-10-08 17:30:50 +03:00

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syntax = "proto3";
package frost.fs.container;
import "netmap/types.proto";
import "refs/types.proto";
// Container is a structure that defines object placement behaviour. Objects can
// be stored only within containers. They define placement rule, attributes and
// access control information. An ID of a container is a 32 byte long SHA256
// hash of stable-marshalled container message.
message Container {
// Container format version. Effectively, the version of API library used to
// create the container.
frost.fs.refs.Version version = 1 [ json_name = "version" ];
// Identifier of the container owner
frost.fs.refs.OwnerID owner_id = 2 [ json_name = "ownerID" ];
// Nonce is a 16 byte UUIDv4, used to avoid collisions of `ContainerID`s
bytes nonce = 3 [ json_name = "nonce" ];
// `BasicACL` contains access control rules for the owner, system and others
// groups, as well as permission bits for `BearerToken` and `Extended ACL`
uint32 basic_acl = 4 [ json_name = "basicACL" ];
// `Attribute` is a user-defined Key-Value metadata pair attached to the
// container. Container attributes are immutable. They are set at the moment
// of container creation and can never be added or updated.
//
// Key name must be a container-unique valid UTF-8 string. Value can't be
// empty. Containers with duplicated attribute names or attributes with empty
// values will be considered invalid.
//
// There are some "well-known" attributes affecting system behaviour:
//
// * [ __SYSTEM__NAME ] \
// String of a human-friendly container name registered as a domain in
// NNS contract.
// * [ __SYSTEM__ZONE ] \
// String of a zone for `__SYSTEM__NAME`.
// Used as a TLD of a domain name in NNS contract. If no zone is specified,
// use default zone: `container`.
// * [ __SYSTEM__DISABLE_HOMOMORPHIC_HASHING ] \
// Disables homomorphic hashing for the container if the value equals "true"
// string. Any other values are interpreted as missing attribute. Container
// could be accepted in a FrostFS network only if the global network hashing
// configuration value corresponds with that attribute's value. After
// container inclusion, network setting is ignored.
//
// And some well-known attributes used by applications only:
//
// * Name \
// Human-friendly name
// * Timestamp \
// User-defined local time of container creation in Unix Timestamp format
message Attribute {
// Attribute name key
string key = 1 [ json_name = "key" ];
// Attribute value
string value = 2 [ json_name = "value" ];
}
// Attributes represent immutable container's meta data
repeated Attribute attributes = 5 [ json_name = "attributes" ];
// Placement policy for the object inside the container
frost.fs.netmap.PlacementPolicy placement_policy = 6
[ json_name = "placementPolicy" ];
}