mirror of
https://gitee.com/milvus-io/milvus.git
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8c5260c938
Signed-off-by: dragondriver <jiquan.long@zilliz.com>
133 lines
4.6 KiB
Go
133 lines
4.6 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. 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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package metricsinfo
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import (
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"encoding/json"
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"strconv"
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"github.com/milvus-io/milvus/internal/util/typeutil"
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)
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// in topology graph, the name of all nodes are consisted of role name and its' id
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// for example, Proxy1, DataCoord3
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// ConstructComponentName returns a name according to the role name and its' id
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func ConstructComponentName(role string, id typeutil.UniqueID) string {
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return role + strconv.Itoa(int(id))
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}
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// Topology defines the interface of topology graph between different components
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type Topology interface {
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}
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// MarshalTopology returns the json string of Topology
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func MarshalTopology(topology Topology) (string, error) {
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binary, err := json.Marshal(topology)
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return string(binary), err
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}
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// UnmarshalTopology constructs a Topology object using the json string
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func UnmarshalTopology(s string, topology Topology) error {
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return json.Unmarshal([]byte(s), topology)
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}
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// QueryClusterTopology shows the topology between QueryCoord and QueryNodes
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type QueryClusterTopology struct {
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Self QueryCoordInfos `json:"self"`
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ConnectedNodes []QueryNodeInfos `json:"connected_nodes"`
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}
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// ConnectionType is the type of connection between nodes
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type ConnectionType = string
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// ConnectionType definitions
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const (
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CoordConnectToNode ConnectionType = "manage"
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Forward ConnectionType = "forward"
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)
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// ConnectionTargetType is the type of connection target
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type ConnectionTargetType = string
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// ConnectionInfo contains info of connection target
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type ConnectionInfo struct {
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TargetName string `json:"target_name"`
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TargetType ConnectionTargetType `json:"target_type"`
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}
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// ConnTopology contains connection topology
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// TODO(dragondriver)
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// necessary to show all connection edge in topology graph?
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// for example, in system, Proxy connects to RootCoord and RootCoord also connects to Proxy,
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// if we do so, the connection relationship may be confusing.
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// ConnTopology shows how different components connect to each other.
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type ConnTopology struct {
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Name string `json:"name"`
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ConnectedComponents []ConnectionInfo `json:"connected_components"`
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}
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// QueryCoordTopology shows the whole metrics of query cluster
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type QueryCoordTopology struct {
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Cluster QueryClusterTopology `json:"cluster"`
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Connections ConnTopology `json:"connections"`
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}
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// IndexClusterTopology shows the topology between IndexCoord and IndexNodes
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type IndexClusterTopology struct {
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Self IndexCoordInfos `json:"self"`
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ConnectedNodes []IndexNodeInfos `json:"connected_nodes"`
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}
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// IndexCoordTopology shows the whole metrics of index cluster
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type IndexCoordTopology struct {
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Cluster IndexClusterTopology `json:"cluster"`
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Connections ConnTopology `json:"connections"`
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}
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// DataClusterTopology shows the topology between DataCoord and DataNodes
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type DataClusterTopology struct {
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Self DataCoordInfos `json:"self"`
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ConnectedNodes []DataNodeInfos `json:"connected_nodes"`
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}
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// DataCoordTopology shows the whole metrics of index cluster
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type DataCoordTopology struct {
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Cluster DataClusterTopology `json:"cluster"`
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Connections ConnTopology `json:"connections"`
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}
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// RootCoordTopology shows the whole metrics of root coordinator
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type RootCoordTopology struct {
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Self RootCoordInfos `json:"self"`
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Connections ConnTopology `json:"connections"`
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}
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// ConnectionEdge contains connection's id, type and target type
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type ConnectionEdge struct {
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ConnectedIdentifier int `json:"connected_identifier"`
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Type ConnectionType `json:"type"`
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TargetType ConnectionTargetType `json:"target_type"` // RootCoord, DataCoord ...
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}
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// SystemTopologyNode is a node in system topology graph.
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type SystemTopologyNode struct {
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Identifier int `json:"identifier"` // unique in the SystemTopology graph
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Connected []ConnectionEdge `json:"connected"`
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Infos ComponentInfos `json:"infos"`
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}
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// SystemTopology shows the system topology
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type SystemTopology struct {
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NodesInfo []SystemTopologyNode `json:"nodes_info"`
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}
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