142 lines
3.1 KiB
Go
142 lines
3.1 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package command
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import (
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"fmt"
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"os"
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"strings"
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"github.com/hashicorp/nomad/api"
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"github.com/posener/complete"
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)
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type NodePoolListCommand struct {
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Meta
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}
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func (c *NodePoolListCommand) Name() string {
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return "node pool list"
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}
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func (c *NodePoolListCommand) Synopsis() string {
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return "List node pools"
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}
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func (c *NodePoolListCommand) Help() string {
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helpText := `
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Usage: nomad node pool list [options]
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List is used to list existing node pools.
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If ACLs are enabled, this command requires a management token to view all
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node pools. A non-management token can be used to list node pools for which
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the token has the 'read' capability.
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General Options:
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` + generalOptionsUsage(usageOptsDefault) + `
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List Options:
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-filter
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Specifies an expression used to filter results.
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-json
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Output the node pools in JSON format.
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-page-token
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Where to start pagination.
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-per-page
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How many results to show per page. If not specified, or set to 0, all
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results are returned.
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-t
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Format and display the node pools using a Go template.
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`
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return strings.TrimSpace(helpText)
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}
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func (c *NodePoolListCommand) AutocompleteFlags() complete.Flags {
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return mergeAutocompleteFlags(c.Meta.AutocompleteFlags(FlagSetClient),
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complete.Flags{
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"-filter": complete.PredictAnything,
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"-json": complete.PredictNothing,
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"-page-token": complete.PredictAnything,
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"-per-page": complete.PredictAnything,
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"-t": complete.PredictAnything,
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})
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}
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func (c *NodePoolListCommand) AutocompleteArgs() complete.Predictor {
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return complete.PredictNothing
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}
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func (c *NodePoolListCommand) Run(args []string) int {
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var json bool
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var perPage int
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var tmpl, pageToken, filter string
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flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
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flags.Usage = func() { c.Ui.Output(c.Help()) }
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flags.StringVar(&filter, "filter", "", "")
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flags.BoolVar(&json, "json", false, "")
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flags.StringVar(&pageToken, "page-token", "", "")
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flags.IntVar(&perPage, "per-page", 0, "")
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flags.StringVar(&tmpl, "t", "", "")
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if err := flags.Parse(args); err != nil {
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return 1
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}
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// Check that we don't have any arguments.
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if len(flags.Args()) != 0 {
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c.Ui.Error("This command takes no arguments")
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c.Ui.Error(commandErrorText(c))
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return 1
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}
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// Make list request.
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client, err := c.Meta.Client()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
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return 1
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}
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opts := &api.QueryOptions{
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Filter: filter,
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PerPage: int32(perPage),
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NextToken: pageToken,
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}
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pools, qm, err := client.NodePools().List(opts)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error querying node pools: %s", err))
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return 1
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}
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// Format output if requested.
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if json || tmpl != "" {
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out, err := Format(json, tmpl, pools)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error formatting output: %s", err))
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return 1
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}
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c.Ui.Output(out)
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return 0
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}
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c.Ui.Output(formatNodePoolList(pools))
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if qm.NextToken != "" {
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c.Ui.Output(fmt.Sprintf(`
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Results have been paginated. To get the next page run:
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%s -page-token %s`, argsWithoutPageToken(os.Args), qm.NextToken))
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}
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return 0
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}
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