121 lines
2.5 KiB
Go
121 lines
2.5 KiB
Go
package deregister
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import (
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"flag"
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"fmt"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/command/flags"
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"github.com/hashicorp/consul/command/services"
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"github.com/mitchellh/cli"
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)
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func New(ui cli.Ui) *cmd {
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c := &cmd{UI: ui}
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c.init()
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return c
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}
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type cmd struct {
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UI cli.Ui
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flags *flag.FlagSet
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http *flags.HTTPFlags
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help string
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flagId string
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}
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func (c *cmd) init() {
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c.flags = flag.NewFlagSet("", flag.ContinueOnError)
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c.flags.StringVar(&c.flagId, "id", "",
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"ID to delete. This must not be set if arguments are given.")
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c.http = &flags.HTTPFlags{}
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flags.Merge(c.flags, c.http.ClientFlags())
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flags.Merge(c.flags, c.http.ServerFlags())
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flags.Merge(c.flags, c.http.MultiTenancyFlags())
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c.help = flags.Usage(help, c.flags)
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}
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func (c *cmd) Run(args []string) int {
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if err := c.flags.Parse(args); err != nil {
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return 1
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}
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// Check for arg validation
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args = c.flags.Args()
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if len(args) == 0 && c.flagId == "" {
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c.UI.Error("Service deregistration requires at least one argument or -id.")
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return 1
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} else if len(args) > 0 && c.flagId != "" {
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c.UI.Error("Service deregistration requires arguments or -id, not both.")
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return 1
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}
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svcs := []*api.AgentServiceRegistration{{
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ID: c.flagId,
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}}
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if len(args) > 0 {
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var err error
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svcs, err = services.ServicesFromFiles(c.UI, args)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error: %s", err))
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return 1
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}
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}
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// Create and test the HTTP client
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client, err := c.http.APIClient()
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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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// Create all the services
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for _, svc := range svcs {
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id := svc.ID
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if id == "" {
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id = svc.Name
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}
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if id == "" {
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continue
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}
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if err := client.Agent().ServiceDeregister(id); err != nil {
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c.UI.Error(fmt.Sprintf("Error registering service %q: %s",
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svc.Name, err))
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return 1
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}
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c.UI.Output(fmt.Sprintf("Deregistered service: %s", id))
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}
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return 0
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}
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func (c *cmd) Synopsis() string {
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return synopsis
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}
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func (c *cmd) Help() string {
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return c.help
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}
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const (
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synopsis = "Deregister services with the local agent"
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help = `
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Usage: consul services deregister [options] [FILE...]
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Deregister one or more services that were previously registered with
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the local agent.
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$ consul services deregister web.json db.json
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The -id flag may be used to deregister a single service by ID:
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$ consul services deregister -id=web
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Services are deregistered from the local agent catalog. This command must
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be run against the same agent where the service was registered.
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`
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)
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