mirror of https://github.com/knative/client.git
130 lines
4.0 KiB
Go
130 lines
4.0 KiB
Go
/*
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Copyright 2020 The Knative Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package broker
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import (
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"errors"
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"fmt"
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"github.com/spf13/cobra"
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v1 "knative.dev/eventing/pkg/apis/duck/v1"
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duckv1 "knative.dev/pkg/apis/duck/v1"
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clientv1beta1 "knative.dev/client/pkg/eventing/v1"
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"knative.dev/client/pkg/kn/commands"
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)
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var createExample = `
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# Create a broker 'mybroker' in the current namespace
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kn broker create mybroker
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# Create a broker 'mybroker' in the 'myproject' namespace and with a broker class of 'Kafka'
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kn broker create mybroker --namespace myproject --class Kafka
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# Create a broker 'mybroker' in the myproject namespace with config referencing a configmap in current namespace
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kn broker create mybroker --namespace myproject --class Kafka --broker-config cm:spec-cm
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OR
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kn broker create mybroker --namespace myproject --class Kafka --broker-config spec-cm
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# Create a broker 'mybroker' in the myproject namespace with config referencing secret named spec-sc in test namespace
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kn broker create mybroker --namespace myproject --class Kafka --broker-config sc:spec-sc:test
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# Create a broker 'mybroker' in the myproject namespace with config referencing RabbitmqCluster mycluster in test namespace
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kn broker create mybroker --namespace myproject --class Kafka --broker-config rabbitmq.com/v1beta1:RabbitmqCluster:mycluster:test
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`
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// NewBrokerCreateCommand represents command to create new broker instance
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func NewBrokerCreateCommand(p *commands.KnParams) *cobra.Command {
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var className string
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var deliveryFlags DeliveryOptionFlags
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var configFlags ConfigFlags
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cmd := &cobra.Command{
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Use: "create NAME",
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Short: "Create a broker",
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Example: createExample,
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RunE: func(cmd *cobra.Command, args []string) (err error) {
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if len(args) != 1 {
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return errors.New("'broker create' requires the broker name given as single argument")
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}
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name := args[0]
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namespace, err := p.GetNamespace(cmd)
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if err != nil {
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return err
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}
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eventingClient, err := p.NewEventingClient(namespace)
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if err != nil {
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return err
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}
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dynamicClient, err := p.NewDynamicClient(namespace)
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if err != nil {
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return err
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}
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destination, err := deliveryFlags.GetDlSink(cmd, dynamicClient, namespace)
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if err != nil {
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return err
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}
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backoffPolicy := v1.BackoffPolicyType(deliveryFlags.BackoffPolicy)
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var configReference *duckv1.KReference
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if cmd.Flags().Changed("broker-config") {
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if !cmd.Flags().Changed("class") {
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return fmt.Errorf("cannot set broker-config without setting class")
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}
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configReference, err = configFlags.GetBrokerConfigReference()
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if err != nil {
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return err
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}
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}
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brokerBuilder := clientv1beta1.
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NewBrokerBuilder(name).
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Namespace(namespace).
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Class(className).
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DlSink(destination).
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Retry(&deliveryFlags.RetryCount).
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Timeout(&deliveryFlags.Timeout).
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BackoffPolicy(&backoffPolicy).
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BackoffDelay(&deliveryFlags.BackoffDelay).
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RetryAfterMax(&deliveryFlags.RetryAfterMax).
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Config(configReference)
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err = eventingClient.CreateBroker(cmd.Context(), brokerBuilder.Build())
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if err != nil {
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return fmt.Errorf(
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"cannot create broker '%s' in namespace '%s' "+
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"because: %s", name, namespace, err)
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}
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fmt.Fprintf(cmd.OutOrStdout(), "Broker '%s' successfully created in namespace '%s'.\n", args[0], namespace)
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return nil
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},
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}
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commands.AddNamespaceFlags(cmd.Flags(), false)
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cmd.Flags().StringVar(&className, "class", "", "Broker class like 'MTChannelBasedBroker' or 'Kafka' (if available).")
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configFlags.Add(cmd)
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deliveryFlags.Add(cmd)
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return cmd
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}
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