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/*
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Copyright © 2020-2022 The k3d Author(s)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package node
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import (
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"fmt"
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"strings"
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"github.com/k3d-io/k3d/v5/cmd/util"
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"github.com/k3d-io/k3d/v5/pkg/client"
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l "github.com/k3d-io/k3d/v5/pkg/logger"
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"github.com/k3d-io/k3d/v5/pkg/runtimes"
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k3d "github.com/k3d-io/k3d/v5/pkg/types"
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"github.com/liggitt/tabwriter"
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"github.com/spf13/cobra"
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)
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type nodeListFlags struct {
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noHeader bool
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output string
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}
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// NewCmdNodeList returns a new cobra command
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func NewCmdNodeList() *cobra.Command {
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nodeListFlags := nodeListFlags{}
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// create new command
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cmd := &cobra.Command{
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Use: "list [NODE [NODE...]]",
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Aliases: []string{"ls", "get"},
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Short: "List node(s)",
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Long: `List node(s).`,
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Args: cobra.MinimumNArgs(0), // 0 or more; 0 = all
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ValidArgsFunction: util.ValidArgsAvailableNodes,
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Run: func(cmd *cobra.Command, args []string) {
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nodes := []*k3d.Node{}
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for _, name := range args {
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nodes = append(nodes, &k3d.Node{
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Name: name,
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})
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}
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var existingNodes []*k3d.Node
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if len(nodes) == 0 { // Option a) no name specified -> get all nodes
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found, err := client.NodeList(cmd.Context(), runtimes.SelectedRuntime)
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if err != nil {
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l.Log().Fatalln(err)
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}
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existingNodes = append(existingNodes, found...)
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} else { // Option b) cluster name specified -> get specific cluster
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for _, node := range nodes {
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found, err := client.NodeGet(cmd.Context(), runtimes.SelectedRuntime, node)
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if err != nil {
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l.Log().Fatalln(err)
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}
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existingNodes = append(existingNodes, found)
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}
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}
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// print existing nodes
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headers := &[]string{}
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if !nodeListFlags.noHeader {
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headers = &[]string{"NAME", "ROLE", "CLUSTER", "STATUS"}
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}
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util.PrintNodes(existingNodes, nodeListFlags.output,
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headers, util.NodePrinterFunc(func(tabwriter *tabwriter.Writer, node *k3d.Node) {
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fmt.Fprintf(tabwriter, "%s\t%s\t%s\t%s\n",
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strings.TrimPrefix(node.Name, "/"),
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string(node.Role),
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node.RuntimeLabels[k3d.LabelClusterName],
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node.State.Status)
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}))
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},
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}
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// add flags
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cmd.Flags().BoolVar(&nodeListFlags.noHeader, "no-headers", false, "Disable headers")
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cmd.Flags().StringVarP(&nodeListFlags.output, "output", "o", "", "Output format. One of: json|yaml")
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// add subcommands
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// done
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return cmd
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}
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