mirror of https://github.com/hashicorp/consul
155 lines
3.6 KiB
Go
155 lines
3.6 KiB
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: BUSL-1.1
|
|
|
|
package exportedservices
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"flag"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/mitchellh/cli"
|
|
"github.com/ryanuber/columnize"
|
|
|
|
"github.com/hashicorp/consul/agent/structs"
|
|
"github.com/hashicorp/consul/api"
|
|
"github.com/hashicorp/consul/command/flags"
|
|
"github.com/hashicorp/consul/command/peering"
|
|
)
|
|
|
|
func New(ui cli.Ui) *cmd {
|
|
c := &cmd{UI: ui}
|
|
c.init()
|
|
return c
|
|
}
|
|
|
|
type cmd struct {
|
|
UI cli.Ui
|
|
flags *flag.FlagSet
|
|
http *flags.HTTPFlags
|
|
help string
|
|
|
|
name string
|
|
format string
|
|
}
|
|
|
|
func (c *cmd) init() {
|
|
c.flags = flag.NewFlagSet("", flag.ContinueOnError)
|
|
|
|
c.flags.StringVar(&c.name, "name", "", "(Required) The local name assigned to the peer cluster.")
|
|
|
|
c.flags.StringVar(
|
|
&c.format,
|
|
"format",
|
|
peering.PeeringFormatPretty,
|
|
fmt.Sprintf("Output format {%s} (default: %s)", strings.Join(peering.GetSupportedFormats(), "|"), peering.PeeringFormatPretty),
|
|
)
|
|
|
|
c.http = &flags.HTTPFlags{}
|
|
flags.Merge(c.flags, c.http.ClientFlags())
|
|
flags.Merge(c.flags, c.http.PartitionFlag())
|
|
c.help = flags.Usage(help, c.flags)
|
|
}
|
|
|
|
func (c *cmd) Run(args []string) int {
|
|
if err := c.flags.Parse(args); err != nil {
|
|
return 1
|
|
}
|
|
|
|
if c.name == "" {
|
|
c.UI.Error("Missing the required -name flag")
|
|
return 1
|
|
}
|
|
|
|
if !peering.FormatIsValid(c.format) {
|
|
c.UI.Error(fmt.Sprintf("Invalid format, valid formats are {%s}", strings.Join(peering.GetSupportedFormats(), "|")))
|
|
return 1
|
|
}
|
|
|
|
client, err := c.http.APIClient()
|
|
if err != nil {
|
|
c.UI.Error(fmt.Sprintf("Error connect to Consul agent: %s", err))
|
|
return 1
|
|
}
|
|
|
|
peerings := client.Peerings()
|
|
|
|
res, _, err := peerings.Read(context.Background(), c.name, &api.QueryOptions{})
|
|
if err != nil {
|
|
c.UI.Error(fmt.Sprintf("Error reading peering: %s", err))
|
|
return 1
|
|
}
|
|
|
|
if res == nil {
|
|
c.UI.Error(fmt.Sprintf("No peering with name %s found.", c.name))
|
|
return 1
|
|
}
|
|
|
|
// Convert service to serviceID
|
|
services := make([]structs.ServiceID, 0, len(res.StreamStatus.ExportedServices))
|
|
for _, svc := range res.StreamStatus.ExportedServices {
|
|
services = append(services, structs.ServiceIDFromString(svc))
|
|
}
|
|
|
|
if c.format == peering.PeeringFormatJSON {
|
|
output, err := json.Marshal(services)
|
|
if err != nil {
|
|
c.UI.Error(fmt.Sprintf("Error marshalling JSON: %s", err))
|
|
return 1
|
|
}
|
|
c.UI.Output(string(output))
|
|
return 0
|
|
}
|
|
|
|
c.UI.Output(formatExportedServices(services))
|
|
|
|
return 0
|
|
}
|
|
|
|
func formatExportedServices(services []structs.ServiceID) string {
|
|
if len(services) == 0 {
|
|
return ""
|
|
}
|
|
|
|
result := make([]string, 0, len(services)+1)
|
|
|
|
if services[0].EnterpriseMeta.ToEnterprisePolicyMeta() != nil {
|
|
result = append(result, "Partition\x1fNamespace\x1fService Name")
|
|
}
|
|
|
|
for _, svc := range services {
|
|
if svc.EnterpriseMeta.ToEnterprisePolicyMeta() == nil {
|
|
result = append(result, svc.ID)
|
|
} else {
|
|
result = append(result, fmt.Sprintf("%s\x1f%s\x1f%s", svc.EnterpriseMeta.PartitionOrDefault(), svc.EnterpriseMeta.NamespaceOrDefault(), svc.ID))
|
|
}
|
|
}
|
|
|
|
return columnize.Format(result, &columnize.Config{Delim: string([]byte{0x1f})})
|
|
}
|
|
|
|
func (c *cmd) Synopsis() string {
|
|
return synopsis
|
|
}
|
|
|
|
func (c *cmd) Help() string {
|
|
return flags.Usage(c.help, nil)
|
|
}
|
|
|
|
const (
|
|
synopsis = "Lists exported services to a peer"
|
|
help = `
|
|
Usage: consul peering exported-services [options] -name <peer name>
|
|
|
|
Lists services exported to the peer with the provided name. If the peer is not found,
|
|
the command exits with a non-zero code. The result is filtered according
|
|
to ACL policy configuration.
|
|
|
|
Example:
|
|
|
|
$ consul peering exported-services -name west-dc
|
|
`
|
|
)
|