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
|
// Copyright 2019-2025 The Wait4X 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.
//go:build !disable_kafka
package cmd
import (
"errors"
"fmt"
"github.com/go-logr/logr"
"github.com/spf13/cobra"
"wait4x.dev/v3/checker"
"wait4x.dev/v3/checker/kafka"
"wait4x.dev/v3/internal/contextutil"
"wait4x.dev/v3/waiter"
)
// NewKafkaCommand creates the kafka sub-command
func NewKafkaCommand() *cobra.Command {
kafkaCommand := &cobra.Command{
Use: "kafka DSN... [flags] [-- command [args...]]",
Short: "Check Kafka connection",
Args: func(cmd *cobra.Command, args []string) error {
if len(args) < 1 {
return errors.New("DSN is required argument for the kafka command")
}
return nil
},
Example: `
# Checking Kafka connection with credentials
wait4x kafka 'kafka://user:pass@127.0.0.1:9090/?authMechanism=scram-sha-256'
`,
RunE: runKafka,
}
return kafkaCommand
}
func runKafka(cmd *cobra.Command, args []string) error {
logger, err := logr.FromContext(cmd.Context())
if err != nil {
return fmt.Errorf("unable to get logger from context: %w", err)
}
// ArgsLenAtDash returns -1 when -- was not specified
if i := cmd.ArgsLenAtDash(); i != -1 {
args = args[:i]
}
checkers := make([]checker.Checker, len(args))
for i, arg := range args {
checkers[i] = kafka.New(arg)
}
return waiter.WaitParallelContext(
cmd.Context(),
checkers,
waiter.WithTimeout(contextutil.GetTimeout(cmd.Context())),
waiter.WithInterval(contextutil.GetInterval(cmd.Context())),
waiter.WithInvertCheck(contextutil.GetInvertCheck(cmd.Context())),
waiter.WithBackoffPolicy(contextutil.GetBackoffPolicy(cmd.Context())),
waiter.WithBackoffCoefficient(contextutil.GetBackoffCoefficient(cmd.Context())),
waiter.WithBackoffExponentialMaxInterval(contextutil.GetBackoffExponentialMaxInterval(cmd.Context())),
waiter.WithLogger(logger),
)
}
|
