mirror of
https://github.com/livekit/livekit.git
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48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
// Copyright 2023 LiveKit, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package selector
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import (
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"github.com/livekit/protocol/livekit"
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)
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// CPULoadSelector eliminates nodes that have CPU usage higher than CPULoadLimit
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// then selects a node from nodes that are not overloaded
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type CPULoadSelector struct {
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CPULoadLimit float32
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SortBy string
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Algorithm string
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}
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func (s *CPULoadSelector) filterNodes(nodes []*livekit.Node) ([]*livekit.Node, error) {
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nodes, err := FilterNodesByCriteria(nodes, s.CPULoadLimit, func(node *livekit.Node) float32 {
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return node.Stats.CpuLoad
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})
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if err != nil {
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return nil, err
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}
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return nodes, nil
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}
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func (s *CPULoadSelector) SelectNode(nodes []*livekit.Node) (*livekit.Node, error) {
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nodes, err := s.filterNodes(nodes)
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if err != nil {
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return nil, err
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}
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return SelectSortedNode(nodes, s.SortBy, s.Algorithm)
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}
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