forked from tikv/client-java
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathStoreVersion.java
More file actions
102 lines (91 loc) · 3.07 KB
/
Copy pathStoreVersion.java
File metadata and controls
102 lines (91 loc) · 3.07 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
/*
* Copyright 2021 TiKV Project Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.tikv.common;
import java.util.List;
import java.util.stream.Collectors;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.tikv.common.region.TiStoreType;
import org.tikv.common.util.BackOffer;
import org.tikv.common.util.ConcreteBackOffer;
import org.tikv.kvproto.Metapb;
public class StoreVersion {
private static final int SCALE = 10000;
private final Logger logger = LoggerFactory.getLogger(this.getClass());
private int v0 = 9999;
private int v1 = 9999;
private int v2 = 9999;
private StoreVersion(String version) {
try {
// tiflash version starts with `v`
if (version.startsWith("v")) {
version = version.substring(1);
}
String[] parts = version.split("[.-]");
if (parts.length > 0) {
v0 = Integer.parseInt(parts[0]);
}
if (parts.length > 1) {
v1 = Integer.parseInt(parts[1]);
}
if (parts.length > 2) {
v2 = Integer.parseInt(parts[2]);
}
} catch (Exception e) {
logger.warn("invalid store version: " + version, e);
}
}
public static int compareTo(String v0, String v1) {
return new StoreVersion(v0).toIntVersion() - new StoreVersion(v1).toIntVersion();
}
public static boolean minTiKVVersion(String version, PDClient pdClient) {
StoreVersion storeVersion = new StoreVersion(version);
BackOffer bo =
ConcreteBackOffer.newCustomBackOff(BackOffer.PD_INFO_BACKOFF, pdClient.getClusterId());
List<Metapb.Store> storeList =
pdClient
.getAllStores(bo)
.stream()
.filter(
store ->
!isTiFlash(store)
&& (store.getState() == Metapb.StoreState.Up
|| store.getState() == Metapb.StoreState.Offline))
.collect(Collectors.toList());
for (Metapb.Store store : storeList) {
if (storeVersion.greatThan(new StoreVersion(store.getVersion()))) {
return false;
}
}
return true;
}
private static boolean isTiFlash(Metapb.Store store) {
for (Metapb.StoreLabel label : store.getLabelsList()) {
if (label.getKey().equals(TiStoreType.TiFlash.getLabelKey())
&& label.getValue().equals(TiStoreType.TiFlash.getLabelValue())) {
return true;
}
}
return false;
}
private int toIntVersion() {
return v0 * SCALE * SCALE + v1 * SCALE + v2;
}
private boolean greatThan(StoreVersion other) {
return toIntVersion() > other.toIntVersion();
}
}