Ta-Ching ChenandSoam Vasani
5f14b9b0ae
Switch Fission's storage over to the new CustomResourceDefinitions, from the deprecated ThirdPartyResources. This allows us to be compatible with Kubernets 1.8 and onwards. This also adds a CLI tool for dumping state from an old fission version and restoring state into new CRDs. The storage service is unaffected by this change.
135 lines
3.2 KiB
Go
135 lines
3.2 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 main
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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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"github.com/fission/fission"
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"github.com/fission/fission/crd"
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)
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func wCreate(c *cli.Context) error {
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client := getClient(c.GlobalString("server"))
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fnName := c.String("function")
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if len(fnName) == 0 {
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fatal("Need a function name to create a watch, use --function")
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}
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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 := &crd.KubernetesWatchTrigger{
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Metadata: metav1.ObjectMeta{
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Name: watchName,
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Namespace: metav1.NamespaceDefault,
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},
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Spec: fission.KubernetesWatchTriggerSpec{
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Namespace: namespace,
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Type: objType,
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//LabelSelector: labels,
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FunctionReference: fission.FunctionReference{
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Name: fnName,
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Type: fission.FunctionReferenceTypeFunctionName,
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},
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},
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}
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_, err := client.WatchCreate(w)
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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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fatal("Not implemented")
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return nil
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}
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func wUpdate(c *cli.Context) error {
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// TODO
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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 := getClient(c.GlobalString("server"))
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wName := c.String("name")
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if len(wName) == 0 {
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fatal("Need name of watch to delete, use --name")
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}
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err := client.WatchDelete(&metav1.ObjectMeta{
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Name: wName,
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Namespace: metav1.NamespaceDefault,
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})
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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 := getClient(c.GlobalString("server"))
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ws, err := client.WatchList()
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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\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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