Ta-Ching ChenandGitHub
93d4b88d84
Before this PR, CLI functions fatal out when encountering error instead of returning it. Such behavior makes it hard to reuse the functions nor writing unit tests. This PR aims to make functions return errors instead of error out.
140 lines
3.9 KiB
Go
140 lines
3.9 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 environment
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import (
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"fmt"
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"github.com/hashicorp/go-multierror"
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"github.com/pkg/errors"
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fv1 "github.com/fission/fission/pkg/apis/fission.io/v1"
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"github.com/fission/fission/pkg/controller/client"
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"github.com/fission/fission/pkg/fission-cli/cliwrapper/cli"
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"github.com/fission/fission/pkg/fission-cli/flag"
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"github.com/fission/fission/pkg/fission-cli/util"
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)
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type UpdateSubCommand struct {
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client *client.Client
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env *fv1.Environment
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}
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func Update(flags cli.Input) error {
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c, err := util.GetServer(flags)
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if err != nil {
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return err
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}
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opts := UpdateSubCommand{
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client: c,
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}
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return opts.do(flags)
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}
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func (opts *UpdateSubCommand) do(flags cli.Input) error {
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err := opts.complete(flags)
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if err != nil {
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return err
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}
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return opts.run(flags)
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}
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func (opts *UpdateSubCommand) complete(flags cli.Input) error {
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m, err := util.GetMetadata(flag.RESOURCE_NAME, flag.ENVIRONMENT_NAMESPACE, flags)
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if err != nil {
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return err
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}
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env, err := opts.client.EnvironmentGet(m)
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if err != nil {
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return errors.Wrap(err, "error finding environment")
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}
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env, err = updateExistingEnvironmentWithCmd(env, flags)
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if err != nil {
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return err
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}
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opts.env = env
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return nil
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}
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func (opts *UpdateSubCommand) run(flags cli.Input) error {
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_, err := opts.client.EnvironmentUpdate(opts.env)
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if err != nil {
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return errors.Wrap(err, "error updating environment")
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}
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fmt.Printf("environment '%v' updated\n", opts.env.Metadata.Name)
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return nil
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}
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// updateExistingEnvironmentWithCmd updates a existing environment's value based on CLI input.
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func updateExistingEnvironmentWithCmd(env *fv1.Environment, flags cli.Input) (*fv1.Environment, error) {
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e := &multierror.Error{}
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envImg := flags.String(flag.ENVIRONMENT_IMAGE)
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envBuilderImg := flags.String(flag.ENVIRONMENT_BUILDER)
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envBuildCmd := flags.String(flag.ENVIRONMENT_BUILDCOMMAND)
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envExternalNetwork := flags.Bool(flag.ENVIRONMENT_EXTERNAL_NETWORK)
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if len(envImg) == 0 && len(envBuilderImg) == 0 && len(envBuildCmd) == 0 {
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e = multierror.Append(e, errors.New("need --image to specify env image, or use --builder to specify env builder, or use --buildcmd to specify new build command"))
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}
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if len(envImg) > 0 {
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env.Spec.Runtime.Image = envImg
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}
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if env.Spec.Version == 1 && (len(envBuilderImg) > 0 || len(envBuildCmd) > 0) {
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e = multierror.Append(e, errors.New("version 1 Environments do not support builders. Must specify --version=2"))
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}
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if len(envBuilderImg) > 0 {
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env.Spec.Builder.Image = envBuilderImg
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}
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if len(envBuildCmd) > 0 {
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env.Spec.Builder.Command = envBuildCmd
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}
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if flags.IsSet(flag.ENVIRONMENT_POOLSIZE) {
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env.Spec.Poolsize = flags.Int(flag.ENVIRONMENT_POOLSIZE)
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}
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if flags.IsSet(flag.ENVIRONMENT_GRACE_PERIOD) {
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env.Spec.TerminationGracePeriod = flags.Int64(flag.ENVIRONMENT_GRACE_PERIOD)
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}
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if flags.IsSet(flag.ENVIRONMENT_KEEPARCHIVE) {
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env.Spec.KeepArchive = flags.Bool(flag.ENVIRONMENT_KEEPARCHIVE)
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}
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env.Spec.AllowAccessToExternalNetwork = envExternalNetwork
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if flags.IsSet(flag.RUNTIME_MINCPU) || flags.IsSet(flag.RUNTIME_MAXCPU) ||
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flags.IsSet(flag.RUNTIME_MINMEMORY) || flags.IsSet(flag.RUNTIME_MAXMEMORY) ||
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flags.IsSet(flag.RUNTIME_MINSCALE) || flags.IsSet(flag.RUNTIME_MAXSCALE) {
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e = multierror.Append(e, errors.New("updating resource limits/requests for existing environments is currently unsupported; re-create the environment instead"))
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}
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if e.ErrorOrNil() != nil {
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return nil, e.ErrorOrNil()
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}
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return env, nil
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}
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