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
|
package main
import (
"context"
"errors"
"flag"
"fmt"
"io"
"time"
"gitlab.com/gitlab-org/gitaly/v14/internal/praefect"
"gitlab.com/gitlab-org/gitaly/v14/internal/praefect/config"
)
const (
checkCmdName = "check"
)
type checkSubcommand struct {
w io.Writer
quiet bool
checkFuncs []praefect.CheckFunc
}
func newCheckSubcommand(writer io.Writer, checkFuncs ...praefect.CheckFunc) *checkSubcommand {
return &checkSubcommand{
w: writer,
checkFuncs: checkFuncs,
}
}
func (cmd *checkSubcommand) FlagSet() *flag.FlagSet {
fs := flag.NewFlagSet(checkCmdName, flag.ExitOnError)
fs.BoolVar(&cmd.quiet, "q", false, "do not print out verbose output about each check")
fs.Usage = func() {
printfErr("Description:\n" +
" This command runs startup checks for Praefect.")
fs.PrintDefaults()
}
return fs
}
var errFatalChecksFailed = errors.New("checks failed")
func (cmd *checkSubcommand) Exec(flags *flag.FlagSet, cfg config.Config) error {
var allChecks []*praefect.Check
for _, checkFunc := range cmd.checkFuncs {
allChecks = append(allChecks, checkFunc(cfg, cmd.w, cmd.quiet))
}
bgContext := context.Background()
passed := true
var failedChecks int
for _, check := range allChecks {
ctx, cancel := context.WithTimeout(bgContext, 5*time.Second)
defer cancel()
cmd.printCheckDetails(check)
if err := check.Run(ctx); err != nil {
failedChecks++
if check.Severity == praefect.Fatal {
passed = false
}
fmt.Fprintf(cmd.w, "Failed (%s) error: %s\n", check.Severity, err.Error())
continue
}
fmt.Fprintf(cmd.w, "Passed\n")
}
fmt.Fprintf(cmd.w, "\n")
if !passed {
fmt.Fprintf(cmd.w, "%d check(s) failed, at least one was fatal.\n", failedChecks)
return errFatalChecksFailed
}
if failedChecks > 0 {
fmt.Fprintf(cmd.w, "%d check(s) failed, but none are fatal.\n", failedChecks)
} else {
fmt.Fprintf(cmd.w, "All checks passed.\n")
}
return nil
}
func (cmd *checkSubcommand) printCheckDetails(check *praefect.Check) {
if cmd.quiet {
fmt.Fprintf(cmd.w, "Checking %s...", check.Name)
return
}
fmt.Fprintf(cmd.w, "Checking %s - %s [%s]\n", check.Name, check.Description, check.Severity)
}
|
