mirror of https://github.com/knative/client.git
96 lines
2.8 KiB
Go
96 lines
2.8 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 container
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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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"knative.dev/client/pkg/kn/commands/flags"
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knflags "knative.dev/client/pkg/kn/flags"
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corev1 "k8s.io/api/core/v1"
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"knative.dev/client/pkg/kn/commands"
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"knative.dev/client/pkg/sources/v1alpha2"
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)
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// NewContainerCreateCommand for creating source
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func NewContainerCreateCommand(p *commands.KnParams) *cobra.Command {
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var podFlags knflags.PodSpecFlags
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var sinkFlags flags.SinkFlags
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cmd := &cobra.Command{
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Use: "create NAME --image IMAGE --sink SINK",
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Short: "Create a container source",
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Example: `
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# Create a ContainerSource 'src' to start a container with image 'docker.io/sample/image' and send messages to service 'mysvc'
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kn source container create src --image docker.io/sample/image --sink ksvc:mysvc`,
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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("requires the name of the source to create as single argument")
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}
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name := args[0]
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srcClient, err := newContainerSourceClient(p, cmd)
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if err != nil {
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return err
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}
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namespace := srcClient.Namespace()
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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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objectRef, err := sinkFlags.ResolveSink(dynamicClient, namespace)
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if err != nil {
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return fmt.Errorf(
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"cannot create ContainerSource '%s' in namespace '%s' "+
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"because: %s", name, namespace, err)
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}
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podSpec := &corev1.PodSpec{Containers: []corev1.Container{{}}}
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err = podFlags.ResolvePodSpec(podSpec, cmd.Flags())
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if err != nil {
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return fmt.Errorf(
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"cannot create ContainerSource '%s' in namespace '%s' "+
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"because: %s", name, namespace, err)
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}
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b := v1alpha2.NewContainerSourceBuilder(name).Sink(*objectRef).PodSpec(*podSpec)
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err = srcClient.CreateContainerSource(b.Build())
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if err != nil {
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return fmt.Errorf(
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"cannot create ContainerSource '%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(), "ContainerSource '%s' 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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podFlags.AddFlags(cmd.Flags())
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sinkFlags.Add(cmd)
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cmd.MarkFlagRequired("image")
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cmd.MarkFlagRequired("sink")
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return cmd
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}
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