forked from TrueCloudLab/frostfs-api
[#58] netmap: Simplify Placement Policy
Proposed protobuf format for Placement Policy simplifies direct editing in visual editors and import/export from other formats like JSON. Signed-off-by: Stanislav Bogatyrev <stanislav@nspcc.ru>
This commit is contained in:
Stanislav Bogatyrev
parent
e72dceebd3
commit
c8054c5daa
3 changed files with 129 additions and 138 deletions
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@ -5,21 +5,7 @@ package neo.fs.v2.netmap;
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option go_package = "github.com/nspcc-dev/neofs-api-go/v2/netmap/grpc;netmap";
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option csharp_namespace = "NeoFS.API.v2.Netmap";
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// Set of rules to select a subset of nodes able to store container's objects
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message PlacementPolicy {
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// Replication factor
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uint32 repl_factor = 1;
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// Filters to apply to Network Map
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message FilterGroup {
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// Filter definition
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message Filter {
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// Filter identifier
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string key = 1;
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// Minimal simple filter
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message SimpleFilter {
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// Filtering operation
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// Operations on filters
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enum Operation {
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// No Operation defined
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OPERATION_UNSPECIFIED = 0;
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@ -48,46 +34,66 @@ message PlacementPolicy {
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// Logical AND
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AND = 8;
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}
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// Filter
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message Filter {
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// Name of the filter or a reference to the named filter.
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// '*' means application to the whole unfiltered NetworkMap
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// At top level it's used as a filter name. At lower levels it's considered to
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// be a reference to another named filter
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string name = 1;
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// Key to filter
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string key = 2;
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// Filtering operation
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Operation op = 1;
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Operation op = 3;
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// List of filters
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message SimpleFilters {
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// List of filters
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repeated SimpleFilter filters = 1;
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}
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// Value to match
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string value = 4;
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// Filtering operation argument
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oneof args {
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// Value
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string value = 2;
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// Result of other filter application
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SimpleFilters f_args = 3;
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// List of inner filters. Top level operation will be applied to the whole list.
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repeated Filter filters = 5;
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}
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}
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// The rest of filter
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SimpleFilter f = 2;
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}
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// Resulting filter list
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repeated Filter filters = 1;
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// Selector
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message Selector {
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// How many to select
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// Selector name to reference in object placement section
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string name = 1;
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// How many nodes to select from bucket
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uint32 count = 2;
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// Attribute bucket to select from
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string attribute = 3;
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// Filter reference to select from
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string filter = 4;
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}
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// Exact bucket for each replica
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message Replica {
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// How many object replicas to put
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uint32 count = 1;
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// Key to select
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string key = 2;
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// Named selector bucket to put in
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string selector = 2;
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}
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// List of selectors
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repeated Selector selectors = 2;
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// Set of rules to select a subset of nodes able to store container's objects
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message PlacementPolicy {
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// Rules to set number of object replicas and place each one into a particular bucket
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repeated Replica replicas = 1;
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// Parts of graph to exclude. Internal use.
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repeated uint32 exclude = 3;
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}
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// List of filter groups
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repeated FilterGroup filter_groups = 2;
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// Container backup factor controls how deep NeoFS will search for nodes
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// alternatives to include into container.
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uint32 container_backup_factor = 2;
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// Set of Selectors to form the container's nodes subset
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repeated Selector selectors = 3;
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// List of named filters to reference in selectors
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repeated Filter filters = 4;
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}
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// NeoFS node description
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@ -105,6 +111,10 @@ message NodeInfo {
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// Value of the node attribute.
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string value = 2;
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// Parent keys, if any
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// Example: For City it can be Region or Country
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repeated string parents = 3;
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}
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// Carries list of the NeoFS node attributes in a string key-value format.
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repeated Attribute attributes = 3;
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@ -6,14 +6,12 @@
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- [netmap/types.proto](#netmap/types.proto)
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- Messages
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- [Filter](#neo.fs.v2.netmap.Filter)
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- [NodeInfo](#neo.fs.v2.netmap.NodeInfo)
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- [NodeInfo.Attribute](#neo.fs.v2.netmap.NodeInfo.Attribute)
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- [PlacementPolicy](#neo.fs.v2.netmap.PlacementPolicy)
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- [PlacementPolicy.FilterGroup](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup)
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- [PlacementPolicy.FilterGroup.Filter](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter)
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- [PlacementPolicy.FilterGroup.Filter.SimpleFilter](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter.SimpleFilter)
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- [PlacementPolicy.FilterGroup.Filter.SimpleFilter.SimpleFilters](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter.SimpleFilter.SimpleFilters)
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- [PlacementPolicy.FilterGroup.Selector](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Selector)
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- [Replica](#neo.fs.v2.netmap.Replica)
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- [Selector](#neo.fs.v2.netmap.Selector)
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- [Scalar Value Types](#scalar-value-types)
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@ -29,6 +27,21 @@
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<!-- end services -->
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<a name="neo.fs.v2.netmap.Filter"></a>
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### Message Filter
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Filter
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| name | [string](#string) | | Name of the filter or a reference to the named filter. '*' means application to the whole unfiltered NetworkMap At top level it's used as a filter name. At lower levels it's considered to be a reference to another named filter |
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| key | [string](#string) | | Key to filter |
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| op | [Operation](#neo.fs.v2.netmap.Operation) | | Filtering operation |
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| value | [string](#string) | | Value to match |
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| filters | [Filter](#neo.fs.v2.netmap.Filter) | repeated | List of inner filters. Top level operation will be applied to the whole list. |
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<a name="neo.fs.v2.netmap.NodeInfo"></a>
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### Message NodeInfo
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@ -53,6 +66,7 @@ Attributes of the NeoFS node.
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| ----- | ---- | ----- | ----------- |
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| key | [string](#string) | | Key of the node attribute. |
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| value | [string](#string) | | Value of the node attribute. |
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| parents | [string](#string) | repeated | Parent keys, if any Example: For City it can be Region or Country |
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<a name="neo.fs.v2.netmap.PlacementPolicy"></a>
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@ -63,69 +77,36 @@ Set of rules to select a subset of nodes able to store container's objects
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| repl_factor | [uint32](#uint32) | | Replication factor |
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| filter_groups | [PlacementPolicy.FilterGroup](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup) | repeated | List of filter groups |
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| replicas | [Replica](#neo.fs.v2.netmap.Replica) | repeated | Rules to set number of object replicas and place each one into a particular bucket |
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| container_backup_factor | [uint32](#uint32) | | Container backup factor controls how deep NeoFS will search for nodes alternatives to include into container. |
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| selectors | [Selector](#neo.fs.v2.netmap.Selector) | repeated | Set of Selectors to form the container's nodes subset |
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| filters | [Filter](#neo.fs.v2.netmap.Filter) | repeated | List of named filters to reference in selectors |
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<a name="neo.fs.v2.netmap.PlacementPolicy.FilterGroup"></a>
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<a name="neo.fs.v2.netmap.Replica"></a>
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### Message PlacementPolicy.FilterGroup
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Filters to apply to Network Map
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### Message Replica
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Exact bucket for each replica
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| filters | [PlacementPolicy.FilterGroup.Filter](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter) | repeated | Resulting filter list |
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| selectors | [PlacementPolicy.FilterGroup.Selector](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Selector) | repeated | List of selectors |
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| exclude | [uint32](#uint32) | repeated | Parts of graph to exclude. Internal use. |
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| count | [uint32](#uint32) | | How many object replicas to put |
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| selector | [string](#string) | | Named selector bucket to put in |
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<a name="neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter"></a>
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<a name="neo.fs.v2.netmap.Selector"></a>
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### Message PlacementPolicy.FilterGroup.Filter
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Filter definition
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| key | [string](#string) | | Filter identifier |
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| f | [PlacementPolicy.FilterGroup.Filter.SimpleFilter](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter.SimpleFilter) | | The rest of filter |
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<a name="neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter.SimpleFilter"></a>
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### Message PlacementPolicy.FilterGroup.Filter.SimpleFilter
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Minimal simple filter
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| op | [PlacementPolicy.FilterGroup.Filter.SimpleFilter.Operation](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter.SimpleFilter.Operation) | | Filtering operation |
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| value | [string](#string) | | Value |
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| f_args | [PlacementPolicy.FilterGroup.Filter.SimpleFilter.SimpleFilters](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter.SimpleFilter.SimpleFilters) | | Result of other filter application |
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<a name="neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter.SimpleFilter.SimpleFilters"></a>
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### Message PlacementPolicy.FilterGroup.Filter.SimpleFilter.SimpleFilters
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List of filters
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| filters | [PlacementPolicy.FilterGroup.Filter.SimpleFilter](#neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter.SimpleFilter) | repeated | List of filters |
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<a name="neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Selector"></a>
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### Message PlacementPolicy.FilterGroup.Selector
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### Message Selector
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Selector
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| Field | Type | Label | Description |
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| ----- | ---- | ----- | ----------- |
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| count | [uint32](#uint32) | | How many to select |
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| key | [string](#string) | | Key to select |
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| name | [string](#string) | | Selector name to reference in object placement section |
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| count | [uint32](#uint32) | | How many nodes to select from bucket |
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| attribute | [string](#string) | | Attribute bucket to select from |
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| filter | [string](#string) | | Filter reference to select from |
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<!-- end messages -->
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@ -143,10 +124,10 @@ Represents the enumeration of various states of the NeoFS node.
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<a name="neo.fs.v2.netmap.PlacementPolicy.FilterGroup.Filter.SimpleFilter.Operation"></a>
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<a name="neo.fs.v2.netmap.Operation"></a>
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### PlacementPolicy.FilterGroup.Filter.SimpleFilter.Operation
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Filtering operation
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### Operation
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Operations on filters
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| Name | Number | Description |
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| ---- | ------ | ----------- |
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