143 lines
3.6 KiB
Go
143 lines
3.6 KiB
Go
/*
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Copyright 2016 The Fission 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 fission_cli
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import (
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"fmt"
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"os"
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"text/tabwriter"
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"github.com/satori/go.uuid"
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"github.com/urfave/cli"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
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"github.com/fission/fission/pkg/fission-cli/cmd/spec"
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"github.com/fission/fission/pkg/fission-cli/log"
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"github.com/fission/fission/pkg/fission-cli/util"
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)
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func wCreate(c *cli.Context) error {
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client := util.GetApiClient(c.GlobalString("server"))
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fnName := c.String("function")
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if len(fnName) == 0 {
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log.Fatal("Need a function name to create a watch, use --function")
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}
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fnNamespace := c.String("fnNamespace")
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namespace := c.String("ns")
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if len(namespace) == 0 {
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fmt.Println("Watch 'default' namespace. Use --ns <namespace> to override.")
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namespace = "default"
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}
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objType := c.String("type")
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if len(objType) == 0 {
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fmt.Println("Object type unspecified, will watch pods. Use --type <type> to override.")
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objType = "pod"
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}
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labels := c.String("labels")
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// empty 'labels' selects everything
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if len(labels) == 0 {
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fmt.Printf("Watching all objects of type '%v', use --labels to refine selection.\n", objType)
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} else {
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// TODO
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fmt.Printf("Label selector not implemented, watching all objects")
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}
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// automatically name watches
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watchName := uuid.NewV4().String()
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w := &fv1.KubernetesWatchTrigger{
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Metadata: metav1.ObjectMeta{
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Name: watchName,
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Namespace: fnNamespace,
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},
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Spec: fv1.KubernetesWatchTriggerSpec{
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Namespace: namespace,
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Type: objType,
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//LabelSelector: labels,
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FunctionReference: fv1.FunctionReference{
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Name: fnName,
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Type: fv1.FunctionReferenceTypeFunctionName,
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},
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},
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}
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// if we're writing a spec, don't call the API
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if c.Bool("spec") {
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specFile := fmt.Sprintf("kubewatch-%v.yaml", watchName)
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err := spec.SpecSave(*w, specFile)
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util.CheckErr(err, "create kubernetes watch spec")
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return nil
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}
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_, err := client.WatchCreate(w)
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util.CheckErr(err, "create watch")
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fmt.Printf("watch '%v' created\n", w.Metadata.Name)
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return err
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}
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func wGet(c *cli.Context) error {
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// TODO
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log.Fatal("Not implemented")
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return nil
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}
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func wDelete(c *cli.Context) error {
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client := util.GetApiClient(c.GlobalString("server"))
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wName := c.String("name")
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if len(wName) == 0 {
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log.Fatal("Need name of watch to delete, use --name")
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}
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wNs := c.String("triggerns")
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err := client.WatchDelete(&metav1.ObjectMeta{
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Name: wName,
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Namespace: wNs,
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})
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util.CheckErr(err, "delete watch")
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fmt.Printf("watch '%v' deleted\n", wName)
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return nil
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}
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func wList(c *cli.Context) error {
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client := util.GetApiClient(c.GlobalString("server"))
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wNs := c.String("triggerns")
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ws, err := client.WatchList(wNs)
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util.CheckErr(err, "list watches")
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w := tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', 0)
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fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\n",
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"NAME", "NAMESPACE", "OBJTYPE", "LABELS", "FUNCTION_NAME")
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for _, wa := range ws {
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fmt.Fprintf(w, "%v\t%v\t%v\t%v\t%v\n",
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wa.Metadata.Name, wa.Spec.Namespace, wa.Spec.Type, wa.Spec.LabelSelector, wa.Spec.FunctionReference.Name)
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}
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w.Flush()
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return nil
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}
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