client/pkg/commands/source/apiserver/create.go

100 lines
2.9 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 apiserver
import (
"errors"
"fmt"
"github.com/spf13/cobra"
"knative.dev/client/pkg/commands"
"knative.dev/client/pkg/commands/flags"
v1 "knative.dev/client/pkg/sources/v1"
"knative.dev/client/pkg/util"
)
// NewAPIServerCreateCommand for creating source
func NewAPIServerCreateCommand(p *commands.KnParams) *cobra.Command {
var updateFlags APIServerSourceUpdateFlags
var sinkFlags flags.SinkFlags
cmd := &cobra.Command{
Use: "create NAME --resource RESOURCE --sink SINK",
Short: "Create an api-server source",
Example: `
# Create an ApiServerSource 'k8sevents' which consumes Kubernetes events and sends message to service 'mysvc' as a cloudevent
kn source apiserver create k8sevents --resource Event:v1 --service-account myaccountname --sink ksvc:mysvc`,
RunE: func(cmd *cobra.Command, args []string) (err error) {
if len(args) != 1 {
return errors.New("requires the name of the source to create as single argument")
}
name := args[0]
// get client
apiSourceClient, err := newAPIServerSourceClient(p, cmd)
if err != nil {
return err
}
namespace := apiSourceClient.Namespace()
dynamicClient, err := p.NewDynamicClient(namespace)
if err != nil {
return err
}
objectRef, err := sinkFlags.ResolveSink(cmd.Context(), dynamicClient, namespace)
if err != nil {
return fmt.Errorf(
"cannot create ApiServerSource '%s' in namespace '%s' "+
"because: %s", name, namespace, err)
}
resources, err := updateFlags.getAPIServerVersionKindSelector()
if err != nil {
return err
}
ceOverridesMap, err := util.MapFromArrayAllowingSingles(updateFlags.ceOverrides, "=")
if err != nil {
return err
}
ceOverridesToRemove := util.ParseMinusSuffix(ceOverridesMap)
b := v1.NewAPIServerSourceBuilder(name).
ServiceAccount(updateFlags.ServiceAccountName).
EventMode(updateFlags.Mode).
Sink(*objectRef).
Resources(resources).
CloudEventOverrides(ceOverridesMap, ceOverridesToRemove)
err = apiSourceClient.CreateAPIServerSource(cmd.Context(), b.Build())
if err == nil {
fmt.Fprintf(cmd.OutOrStdout(), "ApiServer source '%s' created in namespace '%s'.\n", args[0], namespace)
}
return err
},
}
commands.AddNamespaceFlags(cmd.Flags(), false)
updateFlags.Add(cmd)
sinkFlags.Add(cmd)
cmd.MarkFlagRequired("resource")
cmd.MarkFlagRequired("sink")
return cmd
}