mirror of https://github.com/knative/client.git
124 lines
3.6 KiB
Go
124 lines
3.6 KiB
Go
// Copyright © 2019 The Knative Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package trigger
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import (
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"errors"
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"fmt"
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"knative.dev/client/pkg/config"
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clientv1beta1 "knative.dev/client/pkg/eventing/v1"
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duckv1 "knative.dev/pkg/apis/duck/v1"
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"github.com/spf13/cobra"
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v1beta1 "knative.dev/eventing/pkg/apis/eventing/v1"
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"knative.dev/client/pkg/commands"
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"knative.dev/client/pkg/commands/flags"
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"knative.dev/client/pkg/util"
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)
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// NewTriggerUpdateCommand prepares the command for a tigger update
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func NewTriggerUpdateCommand(p *commands.KnParams) *cobra.Command {
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var triggerUpdateFlags TriggerUpdateFlags
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var sinkFlags flags.SinkFlags
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cmd := &cobra.Command{
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Use: "update NAME",
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Short: "Update a trigger",
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Example: `
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# Update the filter which key is 'type' to value 'knative.dev.bar' in a trigger 'mytrigger'
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kn trigger update mytrigger --filter type=knative.dev.bar
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# Remove the filter which key is 'type' from a trigger 'mytrigger'
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kn trigger update mytrigger --filter type-
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# Update the sink of a trigger 'mytrigger' to 'ksvc:new-service'
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kn trigger update mytrigger --sink ksvc:new-service
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`,
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ValidArgsFunction: commands.ResourceNameCompletionFunc(p),
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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("name of trigger required")
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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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updateFunc := func(trigger *v1beta1.Trigger) (*v1beta1.Trigger, error) {
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b := clientv1beta1.NewTriggerBuilderFromExisting(trigger)
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if cmd.Flags().Changed("broker") {
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return nil, fmt.Errorf(
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"cannot update trigger '%s' because broker is immutable", name)
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}
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if cmd.Flags().Changed("filter") {
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updated, removed, err := triggerUpdateFlags.GetUpdateFilters()
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if err != nil {
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return nil, fmt.Errorf(
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"cannot update trigger '%s' because %w", name, err)
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}
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existing := extractFilters(trigger)
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b.Filters(existing.Merge(updated).Remove(removed))
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}
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if cmd.Flags().Changed("sink") {
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destination, err := sinkFlags.ResolveSink(cmd.Context(), dynamicClient, namespace)
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if err != nil {
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return nil, err
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}
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b.Subscriber(&duckv1.Destination{
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Ref: destination.Ref,
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URI: destination.URI,
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})
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}
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return b.Build(), nil
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}
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err = eventingClient.UpdateTriggerWithRetry(cmd.Context(), name, updateFunc, config.DefaultRetry.Steps)
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if err == nil {
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fmt.Fprintf(cmd.OutOrStdout(), "Trigger '%s' updated in namespace '%s'.\n", name, namespace)
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}
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return err
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},
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}
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commands.AddNamespaceFlags(cmd.Flags(), false)
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triggerUpdateFlags.Add(cmd)
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sinkFlags.Add(cmd)
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return cmd
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}
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func extractFilters(trigger *v1beta1.Trigger) util.StringMap {
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attributes := make(util.StringMap)
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if trigger.Spec.Filter != nil && trigger.Spec.Filter.Attributes != nil {
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for k, v := range trigger.Spec.Filter.Attributes {
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attributes[k] = v
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}
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}
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return attributes
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}
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