/
create.go
85 lines (71 loc) · 2.42 KB
/
create.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
// Copyright © 2020 The Knative 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 channel
import (
"errors"
"fmt"
"github.com/spf13/cobra"
knerrors "knative.dev/client/pkg/errors"
"knative.dev/client/pkg/kn/commands"
knflags "knative.dev/client/pkg/kn/flags"
knmessagingv1 "knative.dev/client/pkg/messaging/v1"
)
// NewChannelCreateCommand to create event channels
func NewChannelCreateCommand(p *commands.KnParams) *cobra.Command {
var ctypeFlags knflags.ChannelTypeFlags
cmd := &cobra.Command{
Use: "create NAME",
Short: "Create an event channel",
Example: `
# Create a channel 'pipe' with default setting for channel configuration
kn channel create pipe
# Create a channel 'imc1' of type InMemoryChannel using inbuilt alias 'imc'
kn channel create imc1 --type imc
# same as above without using inbuilt alias but providing explicit GVK
kn channel create imc1 --type messaging.knative.dev:v1:InMemoryChannel
# Create a channel 'k1' of type KafkaChannel
kn channel create k1 --type messaging.knative.dev:v1beta1:KafkaChannel`,
RunE: func(cmd *cobra.Command, args []string) (err error) {
if len(args) != 1 {
return errors.New("'kn channel create' requires the channel name given as single argument")
}
name := args[0]
namespace, err := p.GetNamespace(cmd)
if err != nil {
return err
}
client, err := newChannelClient(p, cmd)
if err != nil {
return err
}
cb := knmessagingv1.NewChannelBuilder(name, namespace)
if cmd.Flag("type").Changed {
gvk, err := ctypeFlags.Parse()
if err != nil {
return err
}
cb.Type(gvk)
}
err = client.CreateChannel(cmd.Context(), cb.Build())
if err != nil {
return knerrors.GetError(err)
}
fmt.Fprintf(cmd.OutOrStdout(), "Channel '%s' created in namespace '%s'.\n", name, namespace)
return nil
},
}
commands.AddNamespaceFlags(cmd.Flags(), false)
ctypeFlags.Add(cmd.Flags())
return cmd
}