128 lines
3.5 KiB
Go
128 lines
3.5 KiB
Go
/*
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Copyright 2019 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 kubewatch
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import (
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"fmt"
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"github.com/pkg/errors"
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uuid "github.com/satori/go.uuid"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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fv1 "github.com/fission/fission/pkg/apis/core/v1"
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"github.com/fission/fission/pkg/fission-cli/cliwrapper/cli"
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"github.com/fission/fission/pkg/fission-cli/cmd"
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"github.com/fission/fission/pkg/fission-cli/cmd/spec"
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"github.com/fission/fission/pkg/fission-cli/console"
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flagkey "github.com/fission/fission/pkg/fission-cli/flag/key"
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"github.com/fission/fission/pkg/fission-cli/util"
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)
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type CreateSubCommand struct {
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cmd.CommandActioner
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watcher *fv1.KubernetesWatchTrigger
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}
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func Create(input cli.Input) error {
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return (&CreateSubCommand{}).do(input)
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}
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func (opts *CreateSubCommand) do(input cli.Input) error {
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err := opts.complete(input)
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if err != nil {
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return err
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}
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return opts.run(input)
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}
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func (opts *CreateSubCommand) complete(input cli.Input) error {
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watchName := input.String(flagkey.KwName)
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if len(watchName) == 0 {
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console.Warn(fmt.Sprintf("--%v will be soon marked as required flag, see 'help' for details", flagkey.MqtName))
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watchName = uuid.NewV4().String()
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}
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fnName := input.String(flagkey.KwFnName)
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fnNamespace := input.String(flagkey.NamespaceFunction)
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namespace := input.String(flagkey.KwNamespace)
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objType := input.String(flagkey.KwObjType)
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if input.Bool(flagkey.SpecSave) {
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specDir := util.GetSpecDir(input)
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fr, err := spec.ReadSpecs(specDir)
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if err != nil {
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return errors.Wrap(err, fmt.Sprintf("error reading spec in '%v'", specDir))
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}
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exists, err := fr.ExistsInSpecs(fv1.Function{
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ObjectMeta: metav1.ObjectMeta{
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Name: fnName,
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Namespace: fnNamespace,
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},
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})
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if err != nil {
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return err
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}
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if !exists {
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console.Warn(fmt.Sprintf("KubernetesWatchTrigger '%v' references unknown Function '%v', please create it before applying spec",
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watchName, fnName))
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}
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}
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opts.watcher = &fv1.KubernetesWatchTrigger{
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ObjectMeta: 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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return nil
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}
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func (opts *CreateSubCommand) run(input cli.Input) error {
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// if we're writing a spec, don't call the API
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// save to spec file or display the spec to console
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if input.Bool(flagkey.SpecDry) {
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return spec.SpecDry(*opts.watcher)
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}
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if input.Bool(flagkey.SpecSave) {
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specFile := fmt.Sprintf("kubewatch-%v.yaml", opts.watcher.ObjectMeta.Name)
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err := spec.SpecSave(*opts.watcher, specFile)
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if err != nil {
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return errors.Wrap(err, "error saving kubewatch spec")
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}
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return nil
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}
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_, err := opts.Client().V1().KubeWatcher().Create(opts.watcher)
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if err != nil {
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return errors.Wrap(err, "error creating kubewatch")
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}
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fmt.Printf("trigger '%v' created\n", opts.watcher.ObjectMeta.Name)
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return nil
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}
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