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/* | ||
Copyright 2018 The Kubernetes 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. | ||
*/ | ||
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package controller | ||
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import ( | ||
"fmt" | ||
"log" | ||
"os" | ||
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createutil "github.com/kubernetes-sigs/kubebuilder/cmd/kubebuilder/create/util" | ||
generatecmd "github.com/kubernetes-sigs/kubebuilder/cmd/kubebuilder/generate" | ||
"github.com/kubernetes-sigs/kubebuilder/cmd/kubebuilder/util" | ||
"github.com/markbates/inflect" | ||
"github.com/spf13/cobra" | ||
"strings" | ||
) | ||
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var nonNamespacedKind bool | ||
var generate bool | ||
var CoreType bool | ||
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var createControllerCmd = &cobra.Command{ | ||
Use: "controller", | ||
Short: "Creates a controller for an API group, version and resource", | ||
Long: `Creates a controller for an API group, version and resource. | ||
Also creates: | ||
- controller reconcile function | ||
- tests for the controller | ||
`, | ||
Example: `# Create a controller for resource "Bee" in the "insect" group with version "v1beta" | ||
kubebuilder create controller --group insect --version v1beta1 --kind Bee | ||
# Create a controller for k8s core type "Deployment" in the "apps" group with version "v1beta2" | ||
kubebuilder create controller --group apps --version v1beta2 --kind Deployment --core-type | ||
`, | ||
Run: RunCreateController, | ||
} | ||
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func AddCreateController(cmd *cobra.Command) { | ||
createutil.RegisterResourceFlags(createControllerCmd) | ||
createControllerCmd.Flags().BoolVar(&nonNamespacedKind, "non-namespaced", false, "if set, the API kind will be non namespaced") | ||
createControllerCmd.Flags().BoolVar(&generate, "generate", true, "generate controller code") | ||
createControllerCmd.Flags().BoolVar(&CoreType, "core-type", false, "generate controller for core type") | ||
cmd.AddCommand(createControllerCmd) | ||
} | ||
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func RunCreateController(cmd *cobra.Command, args []string) { | ||
if _, err := os.Stat("pkg"); err != nil { | ||
log.Fatalf("could not find 'pkg' directory. must run kubebuilder init before creating controller") | ||
} | ||
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util.GetDomain() | ||
createutil.ValidateResourceFlags() | ||
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cr := util.GetCopyright(createutil.Copyright) | ||
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fmt.Printf("Creating controller ...\n") | ||
CreateController(cr) | ||
if generate { | ||
fmt.Printf("Generating code for new controller... " + | ||
"Regenerate after editing controller files by running `kubebuilder generate clean; kubebuilder generate`.\n") | ||
generatecmd.RunGenerate(cmd, args) | ||
} | ||
fmt.Printf("Next: Run the controller and create an instance with:\n" + | ||
"$ GOBIN=${PWD}/bin go install ${PWD#$GOPATH/src/}/cmd/controller-manager\n" + | ||
"$ bin/controller-manager --kubeconfig ~/.kube/config\n" + | ||
"$ kubectl apply -f hack/sample/" + strings.ToLower(createutil.KindName) + ".yaml\n") | ||
} | ||
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func CreateController(boilerplate string) { | ||
args := controllerTemplateArgs{ | ||
boilerplate, | ||
util.Domain, | ||
createutil.GroupName, | ||
createutil.VersionName, | ||
createutil.KindName, | ||
createutil.ResourceName, | ||
util.Repo, | ||
inflect.NewDefaultRuleset().Pluralize(createutil.KindName), | ||
nonNamespacedKind, | ||
CoreType, | ||
} | ||
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dir, err := os.Getwd() | ||
if err != nil { | ||
log.Fatal(err) | ||
} | ||
fmt.Printf("Edit your controller function...\n") | ||
doController(dir, args) | ||
doControllerTest(dir, args) | ||
} |
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