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Add 'skaffold apply' command (#5543)
* Add 'skaffold apply' command * add apply to instrumented commands * add docs * Update docs/content/en/docs/workflows/ci-cd.md Co-authored-by: Brian de Alwis <bsd@acm.org> * Update docs/content/en/docs/workflows/ci-cd.md Co-authored-by: Brian de Alwis <bsd@acm.org> * Update docs/content/en/docs/workflows/ci-cd.md Co-authored-by: Brian de Alwis <bsd@acm.org> * Update docs/content/en/docs/workflows/ci-cd.md Co-authored-by: Brian de Alwis <bsd@acm.org> * docs updates Co-authored-by: Brian de Alwis <bsd@acm.org>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| /* | ||
| Copyright 2021 The Skaffold Authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
|
|
||
| "github.com/spf13/cobra" | ||
|
|
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| "github.com/GoogleContainerTools/skaffold/pkg/skaffold/kubernetes" | ||
| "github.com/GoogleContainerTools/skaffold/pkg/skaffold/runner" | ||
| "github.com/GoogleContainerTools/skaffold/pkg/skaffold/schema/latest" | ||
| ) | ||
|
|
||
| // NewCmdApply describes the CLI command to apply manifests to a cluster. | ||
| func NewCmdApply() *cobra.Command { | ||
| return NewCmd("apply"). | ||
| WithDescription("Apply hydrated manifests to a cluster"). | ||
| WithExample("Hydrate Kubernetes pod manifest first", "render --output rendered-pod.yaml"). | ||
| WithExample("Then create resources on your cluster from that hydrated manifest", "apply rendered-pod.yaml"). | ||
| WithCommonFlags(). | ||
| WithHouseKeepingMessages(). | ||
| WithArgs(func(cmd *cobra.Command, args []string) error { | ||
| if len(args) < 1 { | ||
| return errors.New("`apply` requires at least one manifest argument") | ||
| } | ||
| return nil | ||
| }, doApply) | ||
| } | ||
|
|
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| func doApply(ctx context.Context, out io.Writer, args []string) error { | ||
| // force set apply boolean to select default options in runner creation | ||
| opts.Apply = true | ||
| opts.HydratedManifests = args | ||
| if err := validateManifests(args); err != nil { | ||
| return err | ||
| } | ||
| return withRunner(ctx, out, func(r runner.Runner, configs []*latest.SkaffoldConfig) error { | ||
| return r.Apply(ctx, out) | ||
| }) | ||
| } | ||
|
|
||
| func validateManifests(manifests []string) error { | ||
| for _, m := range manifests { | ||
| if _, err := os.Open(m); err != nil { | ||
| if errors.Is(err, os.ErrNotExist) { | ||
| return fmt.Errorf("cannot find provided file %s", m) | ||
| } | ||
| return fmt.Errorf("unable to open provided file %s", m) | ||
| } | ||
| if !kubernetes.IsKubernetesManifest(m) { | ||
| return fmt.Errorf("%s is not a valid Kubernetes manifest", m) | ||
| } | ||
| } | ||
| return nil | ||
| } |
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