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https://github.com/fluxcd/flux2.git
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0e35c209d9
It's a common pattern in the create commands to construct a value, then (if not exporting it) upsert it and wait for it to reconcile. This commit factors `upsert`, which does the update/insert bit, and `upsertAndWait`, which does the whole thing. Since these output messages, they are methods of `apiType` (previously `names`), so that they have access to the name of the kind they are operating on. Signed-off-by: Michael Bridgen <michael@weave.works>
111 lines
2.9 KiB
Go
111 lines
2.9 KiB
Go
/*
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Copyright 2020 The Flux 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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"github.com/spf13/cobra"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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imagev1 "github.com/fluxcd/image-reflector-controller/api/v1alpha1"
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)
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var createImagePolicyCmd = &cobra.Command{
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Use: "policy <name>",
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Short: "Create or update an ImagePolicy object",
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Long: `The create image policy command generates an ImagePolicy resource.
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An ImagePolicy object calculates a "latest image" given an image
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repository and a policy, e.g., semver.
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The image that sorts highest according to the policy is recorded in
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the status of the object.`,
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RunE: createImagePolicyRun}
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type imagePolicyFlags struct {
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imageRef string
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semver string
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}
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var imagePolicyArgs = imagePolicyFlags{}
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func init() {
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flags := createImagePolicyCmd.Flags()
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flags.StringVar(&imagePolicyArgs.imageRef, "image-ref", "", "the name of an image repository object")
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flags.StringVar(&imagePolicyArgs.semver, "semver", "", "a semver range to apply to tags; e.g., '1.x'")
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createImageCmd.AddCommand(createImagePolicyCmd)
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}
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// getObservedGeneration is implemented here, since it's not
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// (presently) needed elsewhere.
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func (obj imagePolicyAdapter) getObservedGeneration() int64 {
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return obj.ImagePolicy.Status.ObservedGeneration
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}
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func createImagePolicyRun(cmd *cobra.Command, args []string) error {
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if len(args) < 1 {
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return fmt.Errorf("ImagePolicy name is required")
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}
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objectName := args[0]
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if imagePolicyArgs.imageRef == "" {
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return fmt.Errorf("the name of an ImageRepository in the namespace is required (--image-ref)")
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}
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labels, err := parseLabels()
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if err != nil {
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return err
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}
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var policy = imagev1.ImagePolicy{
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ObjectMeta: metav1.ObjectMeta{
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Name: objectName,
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Namespace: namespace,
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Labels: labels,
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},
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Spec: imagev1.ImagePolicySpec{
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ImageRepositoryRef: corev1.LocalObjectReference{
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Name: imagePolicyArgs.imageRef,
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},
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},
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}
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switch {
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case imagePolicyArgs.semver != "":
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policy.Spec.Policy.SemVer = &imagev1.SemVerPolicy{
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Range: imagePolicyArgs.semver,
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}
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default:
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return fmt.Errorf("a policy must be provided with --semver")
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}
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if export {
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return printExport(exportImagePolicy(&policy))
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}
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var existing imagev1.ImagePolicy
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copyName(&existing, &policy)
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err = imagePolicyType.upsertAndWait(imagePolicyAdapter{&existing}, func() error {
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existing.Spec = policy.Spec
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existing.SetLabels(policy.Labels)
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return nil
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})
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return err
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}
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