69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
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package command
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import (
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"fmt"
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"strings"
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"github.com/mitchellh/cli"
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)
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var _ cli.Command = (*CatalogListDatacentersCommand)(nil)
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type CatalogListDatacentersCommand struct {
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BaseCommand
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}
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func (c *CatalogListDatacentersCommand) Help() string {
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helpText := `
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Usage: consul catalog datacenters [options]
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Retrieves the list of all known datacenters. This datacenters are sorted in
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ascending order based on the estimated median round trip time from the servers
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in this datacenter to the servers in the other datacenters.
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To retrieve the list of datacenters:
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$ consul catalog datacenters
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For a full list of options and examples, please see the Consul documentation.
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` + c.BaseCommand.Help()
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return strings.TrimSpace(helpText)
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}
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func (c *CatalogListDatacentersCommand) Run(args []string) int {
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f := c.BaseCommand.NewFlagSet(c)
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if err := c.BaseCommand.Parse(args); err != nil {
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return 1
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}
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if l := len(f.Args()); l > 0 {
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c.UI.Error(fmt.Sprintf("Too many arguments (expected 0, got %d)", l))
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return 1
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}
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// Create and test the HTTP client
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client, err := c.BaseCommand.HTTPClient()
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
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return 1
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}
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dcs, err := client.Catalog().Datacenters()
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error listing datacenters: %s", err))
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}
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for _, dc := range dcs {
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c.UI.Info(dc)
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}
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return 0
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}
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func (c *CatalogListDatacentersCommand) Synopsis() string {
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return "Lists all known datacenters"
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}
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