/
reliability_hdlr.go
96 lines (87 loc) · 2.47 KB
/
reliability_hdlr.go
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
// Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
// This file handles specific bucket actions.
/*
* Copyright (c) 2018-2023, NVIDIA CORPORATION. All rights reserved.
*/
package cli
import (
"fmt"
"github.com/NVIDIA/aistore/cmn"
"github.com/urfave/cli"
)
var (
storageSvcCmdsFlags = map[string][]cli.Flag{
commandMirror: {
copiesFlag,
nonverboseFlag,
},
commandECEncode: {
dataSlicesFlag,
paritySlicesFlag,
nonverboseFlag,
},
}
storageSvcCmds = []cli.Command{
{
Name: commandMirror,
Usage: "configure and trigger n-way mirror (replication) of a given bucket, where\n" +
indent4 + "\tthe number of copies must be greater equal 1 and less or equal number of target mountpaths",
ArgsUsage: bucketArgument,
Flags: storageSvcCmdsFlags[commandMirror],
Action: setCopiesHandler,
BashComplete: bucketCompletions(bcmplop{}),
},
{
Name: commandECEncode,
Usage: "erasure code a bucket",
ArgsUsage: bucketArgument,
Flags: storageSvcCmdsFlags[commandECEncode],
Action: ecEncodeHandler,
BashComplete: bucketCompletions(bcmplop{}),
},
}
)
func setCopiesHandler(c *cli.Context) (err error) {
var (
bck cmn.Bck
p *cmn.Bprops
)
if bck, err = parseBckURI(c, c.Args().Get(0), false); err != nil {
return
}
if p, err = headBucket(bck, false /* don't add */); err != nil {
return
}
copies := c.Int(copiesFlag.Name)
if p.Mirror.Copies == int64(copies) {
if copies > 1 && p.Mirror.Enabled {
fmt.Fprintf(c.App.Writer, "Bucket %q is already %d-way mirror, nothing to do\n", bck.Cname(""), copies)
return
} else if copies < 2 {
fmt.Fprintf(c.App.Writer, "Bucket %q is already configured with no redundancy, nothing to do\n", bck.Cname(""))
return
}
}
return configureNCopies(c, bck, copies)
}
func ecEncodeHandler(c *cli.Context) (err error) {
var (
bck cmn.Bck
p *cmn.Bprops
)
if bck, err = parseBckURI(c, c.Args().Get(0), false); err != nil {
return
}
if p, err = headBucket(bck, false /* don't add */); err != nil {
return
}
dataSlices := c.Int(fl1n(dataSlicesFlag.Name))
paritySlices := c.Int(fl1n(paritySlicesFlag.Name))
if p.EC.Enabled {
// EC-encode is called automatically when EC is enabled. Changing
// data or parity numbers on the fly is unsupported yet.
fmt.Fprintf(c.App.Writer, "Bucket %q is already erasure-coded\n", bck.Cname(""))
return
}
return ecEncode(c, bck, dataSlices, paritySlices)
}