client/pkg/kn/commands/source/binding/create.go

99 lines
2.7 KiB
Go

// Copyright © 2019 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 binding
import (
"errors"
"fmt"
"github.com/spf13/cobra"
"knative.dev/client/pkg/kn/commands"
"knative.dev/client/pkg/kn/commands/flags"
v1alpha12 "knative.dev/client/pkg/sources/v1alpha2"
)
// NewBindingCreateCommand is for creating sink bindings
func NewBindingCreateCommand(p *commands.KnParams) *cobra.Command {
var bindingFlags bindingUpdateFlags
var sinkFlags flags.SinkFlags
cmd := &cobra.Command{
Use: "create NAME --subject SCHEDULE --sink SINK --ce-override KEY=VALUE",
Short: "Create a sink binding.",
Example: `
# Create a sink binding which connects a deployment 'myapp' with a Knative service 'mysvc'
kn source binding create my-binding --subject Deployment:apps/v1:myapp --sink svc:mysvc`,
RunE: func(cmd *cobra.Command, args []string) (err error) {
if len(args) != 1 {
return errors.New("requires the name of the sink binding to create as single argument")
}
name := args[0]
sinkBindingClient, err := newSinkBindingClient(p, cmd)
if err != nil {
return err
}
namespace, err := p.GetNamespace(cmd)
if err != nil {
return err
}
dynamicClient, err := p.NewDynamicClient(namespace)
if err != nil {
return err
}
destination, err := sinkFlags.ResolveSink(dynamicClient, namespace)
if err != nil {
return err
}
reference, err := toReference(bindingFlags.subject, namespace)
if err != nil {
return err
}
bindingBuilder := v1alpha12.NewSinkBindingBuilder(name).
Sink(destination).
Subject(reference).
Namespace(namespace)
err = updateCeOverrides(bindingFlags, bindingBuilder)
if err != nil {
return err
}
binding, err := bindingBuilder.Build()
if err != nil {
return err
}
err = sinkBindingClient.CreateSinkBinding(binding)
if err == nil {
fmt.Fprintf(cmd.OutOrStdout(), "Sink binding '%s' created in namespace '%s'.\n", args[0], sinkBindingClient.Namespace())
}
return err
},
}
commands.AddNamespaceFlags(cmd.Flags(), false)
bindingFlags.addBindingFlags(cmd)
sinkFlags.Add(cmd)
cmd.MarkFlagRequired("subject")
cmd.MarkFlagRequired("sink")
return cmd
}