mirror of
https://github.com/fluxcd/flux2.git
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512761080e
This factors the get command implementation so that the control flow is generic and relies on a handful of methods, then uses that to add `get auto image-policy` and to rewrite `get auto image-repository`. Signed-off-by: Michael Bridgen <michael@weave.works>
114 lines
2.9 KiB
Go
114 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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"context"
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"os"
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"github.com/spf13/cobra"
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apimeta "k8s.io/apimachinery/pkg/api/meta"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"github.com/fluxcd/pkg/apis/meta"
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"github.com/fluxcd/flux2/internal/utils"
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)
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var getCmd = &cobra.Command{
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Use: "get",
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Short: "Get sources and resources",
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Long: "The get sub-commands print the statuses of sources and resources.",
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}
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var allNamespaces bool
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func init() {
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getCmd.PersistentFlags().BoolVarP(&allNamespaces, "all-namespaces", "A", false,
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"list the requested object(s) across all namespaces")
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rootCmd.AddCommand(getCmd)
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}
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type summarisable interface {
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AsObject() runtime.Object
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Len() int
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SummariseAt(i int, includeNamespace bool) []string
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Headers(includeNamespace bool) []string
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}
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// --- these help with implementations of summarisable
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func statusAndMessage(conditions []metav1.Condition) (string, string) {
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if c := apimeta.FindStatusCondition(conditions, meta.ReadyCondition); c != nil {
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return string(c.Status), c.Message
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}
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return string(metav1.ConditionFalse), "waiting to be reconciled"
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}
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type named interface {
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GetName() string
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GetNamespace() string
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}
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func nameColumns(item named, includeNamespace bool) []string {
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if includeNamespace {
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return []string{item.GetNamespace(), item.GetName()}
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}
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return []string{item.GetName()}
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}
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var namespaceHeader = []string{"Namespace"}
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type getCommand struct {
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headers []string
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list summarisable
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}
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func (get getCommand) run(cmd *cobra.Command, args []string) error {
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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kubeClient, err := utils.KubeClient(kubeconfig, kubecontext)
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if err != nil {
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return err
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}
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var listOpts []client.ListOption
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if !allNamespaces {
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listOpts = append(listOpts, client.InNamespace(namespace))
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}
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err = kubeClient.List(ctx, get.list.AsObject(), listOpts...)
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if err != nil {
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return err
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}
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if get.list.Len() == 0 {
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logger.Failuref("no imagerepository objects found in %s namespace", namespace)
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return nil
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}
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header := get.list.Headers(allNamespaces)
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var rows [][]string
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for i := 0; i < get.list.Len(); i++ {
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row := get.list.SummariseAt(i, allNamespaces)
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rows = append(rows, row)
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}
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utils.PrintTable(os.Stdout, header, rows)
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return nil
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}
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